content stringlengths 86 994k | meta stringlengths 288 619 |
|---|---|
convert 33 hectares to acres
You asked:
convert 33 hectares to acres
Say hello to Evi
Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more. Over the next few months we
will be adding all of Evi's power t... | {"url":"http://www.evi.com/q/convert_33_hectares_to_acres","timestamp":"2014-04-20T18:58:40Z","content_type":null,"content_length":"55259","record_id":"<urn:uuid:3508bcf9-8886-4436-9895-60fe9a6c04b7>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00643-ip-10-147-4-33.ec2.internal.warc... |
Multiplying Fractions
To find the product of multiplying fractions, you have to do the following:
Lets say the question is 1/4 x 1/3.
It is as simple as this. Multiply numerator x numerator, and denominator x denominator.
So the answer would be 2/12.
Reduced to 1/6. Its that simple.
If it was a fraction x a whole numbe... | {"url":"http://fractionproject123.webs.com/multiplyingfractions.htm","timestamp":"2014-04-16T04:11:56Z","content_type":null,"content_length":"13772","record_id":"<urn:uuid:cec7e06b-0c56-458c-b27e-2da0e0f5dc1d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00497-ip-10-147-4-33.ec2.int... |
Power: Putting Charges to Work
Electric circuits are designed to serve a useful function. The mere movement of charge from terminal to short circuit. With charge flowing rapidly between terminals, the rate at which energy would be
consumed would be high. Such a circuit would heat the wires to a high temperature and dra... | {"url":"http://www.physicsclassroom.com/Class/circuits/U9L2d.cfm","timestamp":"2014-04-17T01:05:19Z","content_type":null,"content_length":"71894","record_id":"<urn:uuid:f3df2060-c137-499f-83e0-0ccfcace9390>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00216-ip-10-147-4-33.ec2.interna... |
Re: [SI-LIST] : Trace impedance
Dennis Tomlinson (det@tellabs.com)
Mon, 09 Nov 1998 13:40:39 -0600
C.C. Chiu wrote:
> hi! anyone who knows how to calculate the PCB trace width which flow with 1A,2A.......
> thxs!!
Hi Mr. Chiu,
Since the currents you refer to are 1A, 2A, .. I assume you are asking a
question about DC tr... | {"url":"http://www.qsl.net/wb6tpu/si-list2/pre99/1974.html","timestamp":"2014-04-19T04:21:19Z","content_type":null,"content_length":"5797","record_id":"<urn:uuid:4c079179-c192-414c-bbe7-a630a3fd04ea>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00177-ip-10-147-4-33.ec2.internal.warc... |
DOCUMENTA MATHEMATICA, Vol. 16 (2011), 1-31
DOCUMENTA MATHEMATICA
, Vol. 16 (2011), 1-31
Richard Hill and David Loeffler
Emerton's Jacquet Func... | {"url":"http://www.kurims.kyoto-u.ac.jp/EMIS/journals/DMJDMV/vol-16/01.html","timestamp":"2014-04-21T12:15:13Z","content_type":null,"content_length":"1919","record_id":"<urn:uuid:bee0223c-315b-4e7b-a6a4-cfed217007df>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00223-ip-10-147-4-33.... |
cross sectional area
If spacetime is built out of quantum bits, does the shape of space depend on how the bits are entangled? The ER=EPR conjecture relates the entanglement entropy of a collection of black holes to the
cross sectional area of Einstein-Rosen (ER) bridges (or wormholes) connecting them. We show that the ... | {"url":"http://harvard.voxcharta.org/tag/cross-sectional-area/","timestamp":"2014-04-16T10:14:46Z","content_type":null,"content_length":"103057","record_id":"<urn:uuid:cf742267-f7fb-4ee0-9894-b4c8aff5f927>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00387-ip-10-147-4-33.ec2.interna... |
Divisibility 13
Are you trying to prove the converse, namely $a^k\mid b^k\ \Rightarrow\ a\mid b\,?$
I don't know... But good question... $a^3|b^3 \Rightarrow a|b$ (Why?) ...write... http://www.mathhelpforum.com/math-help/number-theory/65693-divisibility-14-a.html I think...Maybe use binomial
I would suggest maybe using... | {"url":"http://mathhelpforum.com/number-theory/65685-divisibility-13-a.html","timestamp":"2014-04-18T21:55:31Z","content_type":null,"content_length":"51433","record_id":"<urn:uuid:3075a5d5-6f62-4237-b048-c665a8579549>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00033-ip-10-147-4-33.... |
Greenbelt Statistics Tutor
Find a Greenbelt Statistics Tutor
...E. Applications of Anti-differentiation. F.
21 Subjects: including statistics, calculus, geometry, algebra 1
...As a working Physicist, I did research for over 15 years in acoustics, a field that requires extensive familiarity with differential equ... | {"url":"http://www.purplemath.com/Greenbelt_Statistics_tutors.php","timestamp":"2014-04-16T10:39:44Z","content_type":null,"content_length":"23935","record_id":"<urn:uuid:49ae93a6-de9e-4f78-98d1-aaeba8c4f48e>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00018-ip-10-147-4-33.ec2.inter... |
A Course in Commutative Algebra
A Course in Commutative Algebra
A Course in Commutative Algebra
by Gregor Kemper
Published: 2010-12-10 | ISBN: 3642035442 | PDF | 257 pages | 3 MB
This textbook offers a thorough, modern introduction into commutative algebra. It is intented mainly to serve as a guide for a course of one ... | {"url":"http://www.dlware.me/ebooks/21345-a-course-in-commutative-algebra.html","timestamp":"2014-04-19T17:40:50Z","content_type":null,"content_length":"23847","record_id":"<urn:uuid:d28a00e3-78ad-4423-a1e2-784b15293aca>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00586-ip-10-147-4-... |
Intermediate Value Theorem!
April 4th 2010, 08:06 PM #1
Apr 2010
Intermediate Value Theorem!
Please! Can some show how Ax^3 + Bx^2 + CX + D has atleast one real root using the Intermediate Value Theorem?
I don't know about Intermediate Value Theorem, but by the fundamental theorem of polynomials, there are ... | {"url":"http://mathhelpforum.com/calculus/137305-intermediate-value-theorem.html","timestamp":"2014-04-17T22:19:03Z","content_type":null,"content_length":"46469","record_id":"<urn:uuid:6a401e96-99b3-4aa4-add6-945251fd4aa5>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00587-ip-10-147... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Missouri State University Problem Corner
Replies: 5 Last Post: Dec 17, 2012 2:23 AM
Messages: [ ... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2418593&messageID=7937975","timestamp":"2014-04-17T19:38:01Z","content_type":null,"content_length":"25550","record_id":"<urn:uuid:4262251c-6ded-4517-bb51-affcc12969a3>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00174-ip-10-147-4... |
Delay/Wait/Pause in Java + AirBrushing
October 27th, 2009, 06:22 AM #1
Junior Member
Join Date
Oct 2009
Thanked 0 Times in 0 Posts
I have two problems I am trying to solve.
I am using the program RealJ and JDK 1.6
(I seem to have a hard time finding tutorials on the internet because of this could an... | {"url":"http://www.javaprogrammingforums.com/whats-wrong-my-code/1246-delay-wait-pause-java-airbrushing.html","timestamp":"2014-04-16T09:11:42Z","content_type":null,"content_length":"71731","record_id":"<urn:uuid:0058643e-eeaf-48f3-a2e6-c365268b045a>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20... |
Transformation Of Probability Density Functions
1. The problem statement, all variables and given/known data
Let X and Y be random variables. The pdfs are [itex]f_X(x)=2(1-x)[/itex] and [itex]f_Y(y) = 2(1-y)[/itex]. Both distributions are defined on [0,1].
Let Z = X + Y. Find the pdf for Z, [itex]f_Z(z)[/itex].
2. Rele... | {"url":"http://www.physicsforums.com/showthread.php?t=152331","timestamp":"2014-04-20T08:33:19Z","content_type":null,"content_length":"28025","record_id":"<urn:uuid:79b4057d-19aa-49e1-a957-8d2b931454e2>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00431-ip-10-147-4-33.ec2.internal.w... |
Algebra One
Remember all those rationals and irrationals, the ones we got confused?
I still get them wrong and I am not very amused.
Digits and decimals, too many D's
But wait until we start on those x, y, and z's.
Powers of 10 are expressed by exponents in many ways,
But, remember, there is only one and that is to hav... | {"url":"http://www.teenink.com/poetry/all/article/14607/Algebra-One?page=5","timestamp":"2014-04-19T13:48:48Z","content_type":null,"content_length":"56372","record_id":"<urn:uuid:58f9123e-e331-45ff-94f9-aac094cab735>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00107-ip-10-147-4-33.... |
Stephen A
Stephen Arthur Cook was born on December 14, 1939 in Buffalo, NY. Cook’s father worked as a chemist for a subsidiary of Union Carbide, and was also an adjunct professor at SUNY Buffalo. His mother
worked as a homemaker and also as an occasional English teacher at Erie Community College. When he was ten, Cook ... | {"url":"http://amturing.acm.org/award_winners/cook_n991950.cfm","timestamp":"2014-04-16T07:14:10Z","content_type":null,"content_length":"21225","record_id":"<urn:uuid:58697a85-3fee-4cd6-86d0-ab4fe851df87>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00489-ip-10-147-4-33.ec2.internal... |
Universal polygraphic factorization of strict ω-categories relative to a cobase
up vote 2 down vote favorite
Recall from 1 that a cofibration of strict ω-categories is a retract of relative $I$-cell complexes, where $I$ denotes the set of boundary inclusions $\partial D^n \hookrightarrow D^n$, where $D_n$
denotes the f... | {"url":"http://mathoverflow.net/questions/83507/universal-polygraphic-factorization-of-strict-categories-relative-to-a-cobase?answertab=oldest","timestamp":"2014-04-20T14:12:10Z","content_type":null,"content_length":"48422","record_id":"<urn:uuid:c933a506-ee3a-4413-9b59-f5cb99400da4>","cc-path":"CC-MAIN-2014-15/segment... |
Untitled Document
HEPTAGRAM CONSTRUCTION
It is supposedly impossible to construct an exact heptagram with only a ruler and a compass. Below is a virtually perfect heptagram construction based on the dimensions of the great pyramid.
... | {"url":"http://home.hiwaay.net/~jalison/hepta.html","timestamp":"2014-04-19T19:33:54Z","content_type":null,"content_length":"4818","record_id":"<urn:uuid:af29b74a-5d16-4f4c-9692-408e4ca827bf>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00145-ip-10-147-4-33.ec2.internal.warc.gz"} |
How to calculate poker odds quickly.
Poker is one of those games which many people will have tried and enjoyed, but may not understand completely. It is a game of real skill, and true poker players will spend time studying the different
hands and learn how to quickly calculate the odds in order to assess their chance o... | {"url":"http://www.mzonereport.com/poker-tournament-strategy/how-to-calculate-poker-odds-quickly.html","timestamp":"2014-04-20T05:43:57Z","content_type":null,"content_length":"21780","record_id":"<urn:uuid:b7dbb779-7fe7-42a5-ae73-99e9515f2040>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-201404160... |
Algebra 1 Tutors
Palo Alto, CA 94301
Experienced, credentialed math tutor (Stanford/M.I.T. grad)
...Please do make sure that you are either within my 10 mile travel radius or are willing to work with me online. I have loved tutoring/teaching math (pre-algebra,
algebra 1
, geometry, algebra 2, precalculus, calculus) fo... | {"url":"http://www.wyzant.com/Newark_CA_algebra_1_tutors.aspx","timestamp":"2014-04-19T03:06:45Z","content_type":null,"content_length":"61306","record_id":"<urn:uuid:2cdf70f6-8bb3-4e02-9ca3-8e20decbe0e2>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00333-ip-10-147-4-33.ec2.internal.w... |
Make Your Own Globe
Flat maps may be easier to carry around, but there is still a need to make globes so that Earth's geography can be viewed without any directional or spatial distortions. Printing the location of
continents and oceans directly onto a round surface would be difficult. Instead, this map of the Earth is... | {"url":"http://octopus.gma.org/surfing/imaging/globe.html","timestamp":"2014-04-20T08:14:51Z","content_type":null,"content_length":"16279","record_id":"<urn:uuid:e61938ad-23b7-498f-8d73-51746c63ea02>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00412-ip-10-147-4-33.ec2.internal.warc.... |
The Purpose Of This Assignment Is Three-fold: (1) ... | Chegg.com
*******PLEASE READ THIS: I definetly need the hand calculation of the first part !
Image text transcribed for accessibility: The purpose of this assignment is three-fold: (1) to give you practice manipulating the Fourier Transform of periodic functions, ... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/purpose-assignment-three-fold-1-give-practice-manipulating-fourier-transform-periodic-func-q4307568","timestamp":"2014-04-18T02:26:14Z","content_type":null,"content_length":"21770","record_id":"<urn:uuid:0432e2ed-0d7e-48e5-b013-e170048839bf>","cc-path":"C... |
limit the time for proofs
Major Section: OTHER
; Limit (mini-proveall) to about 1/4 second:
(with-prover-time-limit 1/4 (mini-proveall))
; Limit (mini-proveall) to about 1/4 second, even if surrounding call of
; with-prover-time-limit provides for a more restrictive bound:
(with-prover-time-limit '(1/4) (mini-proveall... | {"url":"http://planet.racket-lang.org/package-source/cce/dracula.plt/2/2/language/acl2-html-docs/WITH-PROVER-TIME-LIMIT.html","timestamp":"2014-04-16T16:27:37Z","content_type":null,"content_length":"4151","record_id":"<urn:uuid:7618ab9b-3534-44f3-a67a-c6639e070e11>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/w... |
Specification and Analysis of Embedded Systems
by Henk Nieland
In order to increase the quality of software components that are typically found in telecommunication and embedded systems, CWI studies specification techniques for the unambiguous description of
these systems, and analysis techniques to establi... | {"url":"http://www.ercim.eu/publication/Ercim_News/enw32/groote.html","timestamp":"2014-04-19T17:31:15Z","content_type":null,"content_length":"6104","record_id":"<urn:uuid:d32be493-ee81-4fb0-91b9-07a007b80e00>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00378-ip-10-147-4-33.ec2.int... |
NSA backdoor in public crytographic system?
Posted by isilanes on November 17, 2007
The following shows why crytograpy methods shoud be public. There is some common misconception, that assumes that the most secure crypto methods are “proprietary” or “secret” ones. This is a terrible
error, since only knowing the “recip... | {"url":"http://handyfloss.wordpress.com/2007/11/17/nsa-backdoor-in-public-crytographic-system/","timestamp":"2014-04-21T01:58:47Z","content_type":null,"content_length":"49244","record_id":"<urn:uuid:26778802-db3c-4a3b-ad94-dc0c5f3a98b6>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00... |
Math Forum - Ask Dr. Math Archives: College Higher-Dimensional Geometry
This page:
Dr. Math
See also the
Dr. Math FAQ:
geometric formulas
Internet Library:
linear algebra
modern algebra
Discrete Math
conic sections/
coordinate plane
Logic/Set Theory
Number Theory
Browse College Higher-Dimensional Geometry
Stars ind... | {"url":"http://mathforum.org/library/drmath/sets/college_3d.html?start_at=81&s_keyid=40659750&f_keyid=40659751&num_to_see=40","timestamp":"2014-04-19T17:25:38Z","content_type":null,"content_length":"21641","record_id":"<urn:uuid:46463b2b-b1f4-4150-9418-75d71a09ad9f>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/... |
Wolfram Demonstrations Project
Repulsion of Charged Pith Balls
Two equally charged pith balls of equal mass are separated by a distance , due to their mutual electrostatic repulsion. Each ball hangs on a string of length from a common point, making an angle
with the horizontal. The value of the angle , the charge , and... | {"url":"http://demonstrations.wolfram.com/RepulsionOfChargedPithBalls/","timestamp":"2014-04-16T04:35:29Z","content_type":null,"content_length":"43474","record_id":"<urn:uuid:94a6b35a-5b47-4c25-87e0-e5787fc8dfec>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00521-ip-10-147-4-33.ec2.... |
Help file for the Anaddb utility of the ABINIT package.
This file explains the use and i/o parameters needed for the "Analysis of Derivative DataBase" code of the ABINIT package.
This code is able to compute interatomic force constants (hence its name), but also, more generally, many different physical properties from ... | {"url":"http://www.abinit.org/documentation/helpfiles/for-v6.12/users/anaddb_help.html","timestamp":"2014-04-20T13:38:49Z","content_type":null,"content_length":"115658","record_id":"<urn:uuid:bd1aa0ff-0937-48ad-a7a6-6eb3aa7df13e>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00088-ip... |
Saddle Brook Statistics Tutor
...The amount of customizations you can make are endless. This is why hiring a tutor makes more sense than individually trying it, which leads to a lot of time lost. Practical experience working
through concrete examples coupled with theory is the best instruction and what I know to be... | {"url":"http://www.purplemath.com/Saddle_Brook_Statistics_tutors.php","timestamp":"2014-04-21T15:30:02Z","content_type":null,"content_length":"24134","record_id":"<urn:uuid:e61e5c28-7290-4b25-9525-82c7d7c69e90>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00063-ip-10-147-4-33.ec2.in... |
Difference Between Regression and Correlation
Regression vs Correlation
In statistics, determining the relation between two random variables is important. It gives the ability to make predictions about one variable relative to others. Regression analysis and correlation
are applied in weather forecasts, financial marke... | {"url":"http://www.differencebetween.com/difference-between-regression-and-vs-correlation/","timestamp":"2014-04-20T21:41:01Z","content_type":null,"content_length":"90205","record_id":"<urn:uuid:21703333-74bf-4e93-87ea-9409a90537f3>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00663-... |
matrix theory
matrix theory
Let $A$ be a Lawvere theory with generic object $T$. The full subcategory of $A$ generated by the cartesian powers of $T^n$ is also a Lawvere theory, that we denote by $M_n(A)$. In the case of an
annular theory (the theory of modules over a ring that we also call $A$), this is the constructi... | {"url":"http://www.ncatlab.org/nlab/show/matrix+theory","timestamp":"2014-04-16T13:46:35Z","content_type":null,"content_length":"14582","record_id":"<urn:uuid:6e0705a1-b0d1-42e0-80e7-a39a58b2a9a0>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00161-ip-10-147-4-33.ec2.internal.warc.gz... |
Minimum Area of Steel required for Spread Footings
imsengr (Structural) 16 Feb 07 15:29
Hi everyone,
I'm designing isolated spread footings for an industrial plant and my research and discussions with colleagues are giving me differing answers to the minimum amount of steel area required for
Group I says the area of s... | {"url":"http://www.eng-tips.com/viewthread.cfm?qid=178679","timestamp":"2014-04-20T00:52:33Z","content_type":null,"content_length":"33200","record_id":"<urn:uuid:1e33754d-d84e-47ff-8a60-8ff694764c9c>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00526-ip-10-147-4-33.ec2.internal.warc.... |
Infeasible models
A linear program is infeasible if there exists no solution that satisfies all of the constraints -- in other words, if no feasible solution can be constructed. Since any real operation that you are
modelling must remain within the constraints of reality, infeasibility most often indicates an error of ... | {"url":"http://lpsolve.sourceforge.net/5.5/Infeasible.htm","timestamp":"2014-04-23T15:07:42Z","content_type":null,"content_length":"6000","record_id":"<urn:uuid:27d10634-faa9-442e-98dc-da9005071c76>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00638-ip-10-147-4-33.ec2.internal.warc.g... |
First-class polymorphic function values in shapeless (2 of 3) — Natural Transformations in Scala
Posted by Miles Sabin on 10th May 2012
Last time we saw that Scala’s standard function values weren’t going to help us in our goal of mapping over an HList because they’re insufficiently polymorphic. In this article I’m goi... | {"url":"http://www.chuusai.com/2012/05/10/shapeless-polymorphic-function-values-2/","timestamp":"2014-04-21T14:41:45Z","content_type":null,"content_length":"42588","record_id":"<urn:uuid:0395475d-970b-416a-8079-2fa705fe87eb>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00125-ip-10-1... |
Geometry and the imagination
You are currently browsing the tag archive for the ‘Kahn’ tag.
Jeremy Kahn kindly sent me a more detailed overview of his argument with Vlad Markovic, that I blogged earlier about here (also see Jesse Johnson’s blog for other commentary). With his permission,
this is reproduced below in its... | {"url":"http://lamington.wordpress.com/tag/kahn/","timestamp":"2014-04-16T13:22:03Z","content_type":null,"content_length":"94314","record_id":"<urn:uuid:498e7f21-5c5f-4398-824a-50773570ba72>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00549-ip-10-147-4-33.ec2.internal.warc.gz"} |
Alessandro Di Bucchianico
In order to facilitate student learning of statistical concepts, I have been developing web-based software with the help of Marko Boon (IT specialist and responsible for the Java implementations) and
Emiel van Berkum. We currently have the following software:
... | {"url":"http://www.win.tue.nl/~adibucch/teaching.html","timestamp":"2014-04-19T10:47:26Z","content_type":null,"content_length":"14426","record_id":"<urn:uuid:fc27d87d-671c-47ef-a8ce-61459aa7acb7>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00333-ip-10-147-4-33.ec2.internal.warc.gz"} |
For all his accomplishments, Einstein never lived to see his fondest dream come true. Our century’s best-known physicist spent most of his life searching for a comprehensive set of laws that would
explain the behavior of nature on all levels, from quasar to quark. He had, in his twenties, already shown that space and t... | {"url":"http://discovermagazine.com/1993/apr/loopsofspace199","timestamp":"2014-04-19T05:12:05Z","content_type":null,"content_length":"99377","record_id":"<urn:uuid:c2ca7ee9-5ed0-46e2-baaa-fa79b70199bd>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00078-ip-10-147-4-33.ec2.internal.w... |
Do I have to be good in math to be good at science?
The short answer: No. Before the longer answer, here's the full comment/question from the teacher:
Question: Do I have to be good in math to be good at science?
The reason I ask this is that many scientifically inclined students I know are not going to pursue science ... | {"url":"http://moregrumbinescience.blogspot.com/2010/02/do-i-have-to-be-good-in-math-to-be-good.html","timestamp":"2014-04-17T09:38:07Z","content_type":null,"content_length":"123635","record_id":"<urn:uuid:0cf690ea-9397-4969-b750-853f2c88a15f>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-201404160... |
General Linear Group GLn _ Problem from Artin's Chapter on Linear Groups
October 10th 2011, 03:44 AM
General Linear Group GLn _ Problem from Artin's Chapter on Linear Groups
Can anyone help with the following problem from Artin - Algebra Ch9 on Linear Groups.
Is $GL_n$( $\mathbb{C}$) isomorphic to a subgroup of... | {"url":"http://mathhelpforum.com/advanced-algebra/189974-general-linear-group-gln-_-problem-artins-chapter-linear-groups-print.html","timestamp":"2014-04-16T08:43:03Z","content_type":null,"content_length":"17534","record_id":"<urn:uuid:9e99efa4-1600-43c0-aafc-71780ce0455c>","cc-path":"CC-MAIN-2014-15/segments/139760952... |
ASTM D7759 - 12a
Standard Guide for Nuclear Surface Moisture and Density Gauge Calibration
Active Standard ASTM D7759 | Developed by Subcommittee: D18.08
Book of Standards Volume: 04.09
ASTM D7759
Significance and Use
5.1 Gauge calibration is performed for the following purposes:
5.1.1 To formulate a mathematical equat... | {"url":"http://www.astm.org/Standards/D7759.htm","timestamp":"2014-04-16T22:35:00Z","content_type":null,"content_length":"32584","record_id":"<urn:uuid:773b4878-aa46-4ab6-9192-37d179ad5c06>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00380-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Simpsons Has Been Tricking You Into Learning Math for Decades | Underwire | WIRED
It’s no secret that the longest-running American sitcom is also one of the smartest. Academics have pored over The Simpsons for its insights into philosophy and psychology, but it took physicist
Simon Singh, the author of prev... | {"url":"http://www.wired.com/2013/11/simpsons-math/","timestamp":"2014-04-20T06:31:24Z","content_type":null,"content_length":"120204","record_id":"<urn:uuid:49c4b0ee-2f72-41f8-84b5-642a151fbdd1>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00609-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mastering Matrices
April 7, 2013
By Slawa Rokicki
R has many ways to store information. Most of the time, our data comes in the form of a dataset, which we bring into R as a data.frame object. However, there are times when we want to use matrices as
well. This post will show you
how matrices can be useful and how to ma... | {"url":"http://www.r-bloggers.com/mastering-matrices/","timestamp":"2014-04-16T19:17:12Z","content_type":null,"content_length":"54615","record_id":"<urn:uuid:7b0f1d6c-36ca-4771-b665-06fa83c0bb57>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00520-ip-10-147-4-33.ec2.internal.warc.gz"... |
A conjecture on intersection of some intervals.
up vote 9 down vote favorite
It was proved here that if $a\in \mathbb{N}_{\geq3}$ then
$$\bigcap_{i = 1}^{a} \bigcup_{j = 0}^{i-1} \left[\frac{1+aj}{i},\frac{a(j+1)-1}{i}\right] = \varnothing \tag{1}$$
It may be conjectured that forcing $i\ne b$, where $1\leq b< a$, rende... | {"url":"http://mathoverflow.net/questions/131892/a-conjecture-on-intersection-of-some-intervals?answertab=oldest","timestamp":"2014-04-16T14:16:26Z","content_type":null,"content_length":"58273","record_id":"<urn:uuid:dcf23e2d-a8f8-42ef-b8ca-784b381066cb>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAI... |
Polygon area calculator (Coordinate Geometry)
The calculator on the right will find the area of any polygon if you know the coordinates of each vertex. This will work for triangles, regular and irregular polygons, convex or concave polygons.
It uses the same method as in Area of a polygon but does the arithmetic for yo... | {"url":"http://www.mathopenref.com/coordpolygonareacalc.html","timestamp":"2014-04-16T07:13:13Z","content_type":null,"content_length":"8588","record_id":"<urn:uuid:dbeaeaac-8633-48f0-9fed-0ac8039844d7>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00391-ip-10-147-4-33.ec2.internal.wa... |
Building Blocks - Classifying Angles - First Glance
Two parallel lines intersected by a
corresponding pairs
of angles that are
Adjacent angles
share a common
and a common
Two intersecting lines form pairs of adjacent angles that are
. Also, two intersecting lines form pairs of congruent angles, called
vertical angles
C... | {"url":"http://www.math.com/school/subject3/lessons/S3U1L5GL.html","timestamp":"2014-04-18T15:38:49Z","content_type":null,"content_length":"25161","record_id":"<urn:uuid:e266dd89-cd76-4675-b42f-b41691e22573>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00610-ip-10-147-4-33.ec2.intern... |
Command line calc program and PI constant
Ask Ubuntu is a question and answer site for Ubuntu users and developers. It's 100% free, no registration required.
I am using calc often (from the terminal) and I was wondering if there is a PI constant in there, predefined, somewhere?
up vote 5 do... | {"url":"http://askubuntu.com/questions/101764/command-line-calc-program-and-pi-constant?answertab=active","timestamp":"2014-04-16T07:58:03Z","content_type":null,"content_length":"69460","record_id":"<urn:uuid:56b8f006-e051-4fdd-b3ae-bc82bb615ef4>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-201404... |
Mata matrices
In Stata, can I use Mata matrices that are larger than Stata’s matsize?
How can I perform clustermat on a Mata matrix?
How can I send clustermat a matrix larger than the currently set matsize?
Title Mata matrices larger than matsize in Stata
Author Jean Marie Linhart and Kenneth Higbee, StataCorp
Date... | {"url":"http://www.stata.com/support/faqs/mata/matrices-larger-than-matsize/","timestamp":"2014-04-16T10:16:48Z","content_type":null,"content_length":"28204","record_id":"<urn:uuid:a7bd086e-f34b-4553-81e7-6eefecbdb8eb>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00260-ip-10-147-4-3... |
Really want to do I.T but....
04-06-2008 #1
Registered User
Join Date
Apr 2008
Really want to do I.T but....
Hi how are you?I need some advice Sorry if it of topic.
The thing is that I am doing a major in Hospitality and Tourism management at college here in Jamaica. I recently started to wonder why I was s... | {"url":"http://cboard.cprogramming.com/brief-history-cprogramming-com/101441-really-want-do-i-t-but.html","timestamp":"2014-04-18T03:41:13Z","content_type":null,"content_length":"102053","record_id":"<urn:uuid:4cc07b7a-949a-4b76-b3a0-53fb9bfd0b6f>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-201404... |
pooja888 @ PaGaLGuY
Hey guys please tell how to solve this questions..options given are very close to each other..
7 Comments
just keep the first 2 digits and check 43/38 = 1.13 , so ....
can anybody tell how much of trigonometry you need to know for cat and other exams ?????
3 Comments
the basic class 10 is good enoug... | {"url":"http://www.pagalguy.com/u/pooja888","timestamp":"2014-04-19T17:04:47Z","content_type":null,"content_length":"125050","record_id":"<urn:uuid:4b4e16c5-8bb8-4d86-b1c7-4824cbe34c4f>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00445-ip-10-147-4-33.ec2.internal.warc.gz"} |
Negative Index & Binomial Theorem
August 4th 2008, 03:39 PM
Negative Index & Binomial Theorem
hey everyone, I'm teaching myself calculus, because I felt it would be useful, even if I'm not going to use it in accounting. I am learning about the binomial theorem and differentiating negative
Here is the current pr... | {"url":"http://mathhelpforum.com/calculus/45296-negative-index-binomial-theorem-print.html","timestamp":"2014-04-16T14:19:24Z","content_type":null,"content_length":"8473","record_id":"<urn:uuid:10b38a5a-ea75-4710-9709-32d81f5c64fc>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00519-... |
InfoLogic's MathMagic adds support for Zoho Writer equations
InfoLogic’s MathMagic is a desktop based equation editor software. Its latest version 6.8 for Mac users has introduced a special menu item for Zoho Writer. MathMagic can now be used as a front-end
equation editor by Zoho Writer users (Zoho Writer has allowe... | {"url":"https://www.zoho.com/general/blog/infologic-s-mathmagic-adds-support-for-zoho-writer-equations.html","timestamp":"2014-04-20T21:21:35Z","content_type":null,"content_length":"30710","record_id":"<urn:uuid:2fad1db7-2bb4-4ae5-b331-51a9bc4342dc>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-2014... |
Summary: Department of Mathematics & Statistics
Speaker: Yongjun Xing
Title: On the Spread of Real Symmetric Matrices with Entries in an Interval
Date: Thursday, November 29, 2007
Time: 1.30 pm
Location: College West 307.20
Abstract: The spread of a matrix has extensive and practical applications in combina-
torial opt... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/896/1261039.html","timestamp":"2014-04-20T13:59:15Z","content_type":null,"content_length":"8241","record_id":"<urn:uuid:f1f1321f-4133-4e25-a2d3-d3ddce3d4bb7>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00184-ip-10-147-... |
category-extras-0.53.6: Various modules and constructs inspired by category theory Contents Index
Portability portable
Control.Category.Braided Stability experimental
Maintainer Edward Kmett <ekmett@gmail.com>
class Braided k p where
braid :: k (p a b) (p b a)
cla... | {"url":"http://comonad.com/haskell/category-extras/dist/doc/html/category-extras/Control-Category-Braided.html","timestamp":"2014-04-21T04:32:40Z","content_type":null,"content_length":"9606","record_id":"<urn:uuid:e5bc9411-2530-4fd9-a836-c0b5ed274ff8>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-2... |
root of the equation
(p^2)(x^2)-12x+p+7=0 has the root 3/2..find the value of p. please help,show step by step the answer that u get..thanks
Last edited by mastermin346; February 26th 2010 at 01:16 AM. Reason: wrong write
To explain HallsOfIvy's solution, remember that the roots of an equation are the values of $x$ whe... | {"url":"http://mathhelpforum.com/algebra/130847-root-equation.html","timestamp":"2014-04-21T10:32:32Z","content_type":null,"content_length":"38144","record_id":"<urn:uuid:8e012cd1-ee31-4388-80e4-ad863e81d81e>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00134-ip-10-147-4-33.ec2.inte... |
GD' 94 Graph Drawing Competition
rfc@mocha.newcastle.edu.au (Bob Cohen)
Fri, 29 Jul 1994 02:56:42 GMT
From comp.compilers
| List of all articles for this m... | {"url":"http://compilers.iecc.com/comparch/article/94-07-079","timestamp":"2014-04-18T05:36:50Z","content_type":null,"content_length":"6259","record_id":"<urn:uuid:3bcd7b04-7bd1-4c45-9a02-7f6718105ea5>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00336-ip-10-147-4-33.ec2.internal.wa... |
Binomial summation proof
Show that: $\sum_{k=m}^n \binom{k}{m}\binom{n}{k}p^k(1-p)^{n-k}=\binom{n}{m}p^m$ You may be able to use this result: $\binom{k}{m}\binom{n}{k}=\binom{n}{m}\binom{n-m}{k-m}$
Start with the Binomial Theorem: $(x+y)^n = \sum_k \binom{n}{k}x^k y^{n-k}$ Differentiate m times with respect to x: $(n-m... | {"url":"http://mathhelpforum.com/statistics/147836-binomial-summation-proof.html","timestamp":"2014-04-19T15:35:42Z","content_type":null,"content_length":"35146","record_id":"<urn:uuid:2f7efdaa-b180-4cad-83bd-2de164e2fc14>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00286-ip-10-147-... |
Isomorphism ring :P
December 23rd 2009, 09:38 AM #1
Junior Member
Oct 2009
Suppose $r$ and $s$ are positive integer numbers with $gcd(r,s)=1$, then show that the mapping $\varphi : Z_{rs}\rightarrow Z_r \times Z_s$ with $\varphi (n) = n (1,1)$ is isomorphism ring!
Last edited by GTK X Hunter; December 23rd ... | {"url":"http://mathhelpforum.com/advanced-algebra/121486-isomorphism-ring-p.html","timestamp":"2014-04-18T23:44:25Z","content_type":null,"content_length":"34131","record_id":"<urn:uuid:c3c371e1-aaba-4554-af2b-e7bdbe13a088>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00259-ip-10-147-... |
Neural Network Training
I'm trying to learn about neural networks and AIs. So far, I think I'm understanding most everything but I am having trouble figuring out one thing. How do I teach a neural network(feedforward
network)? For example, let's say I have a three layer network with 2 perceptrons in the input layer, 4 ... | {"url":"http://www.cplusplus.com/forum/general/104691/","timestamp":"2014-04-17T18:51:45Z","content_type":null,"content_length":"8821","record_id":"<urn:uuid:41458722-09c3-4bbe-92a5-08191d5837a7>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00500-ip-10-147-4-33.ec2.internal.warc.gz"... |
Squares, Rectangles, Parallelograms and Other Polygons
From EscherMath
K-12: Materials at high school level.
We will be talking about all kinds of polygons. Below we will talk about and show some examples of the most common ones including triangles, quadrilaterals (4-sided shapes), etc.
Triangles are just shapes with 3... | {"url":"http://euler.slu.edu/escher/index.php/Squares,_Rectangles,_Parallelograms_and_Other_Polygons","timestamp":"2014-04-19T14:29:14Z","content_type":null,"content_length":"25065","record_id":"<urn:uuid:707da950-7e33-4779-8b6d-c118b90133fa>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-2014042303... |
Beverly, MA Statistics Tutor
Find a Beverly, MA Statistics Tutor
...Because of heavy dependence on multiple-choice questions, high scores on the PSAT are correlated with advanced test-taking skills. An experienced tutor not only focuses the student on the most
important facts and concepts, but also provides coachin... | {"url":"http://www.purplemath.com/Beverly_MA_statistics_tutors.php","timestamp":"2014-04-17T01:39:27Z","content_type":null,"content_length":"23704","record_id":"<urn:uuid:0c0fe015-f749-44f7-833c-3cd205e029d2>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00522-ip-10-147-4-33.ec2.inter... |
Analemma and equation of time
I have no idea what you are talking about. What ellipse are you referring to? The analemma makes a figure 8, so I don't see any ellipses other than the two ellipses that form the figure 8.
Sorry for the misunderstanding, but english is not my mother tongue. I agree analemma makes a figuer ... | {"url":"http://www.physicsforums.com/showthread.php?p=3806182","timestamp":"2014-04-20T21:21:15Z","content_type":null,"content_length":"44041","record_id":"<urn:uuid:f2a4f05e-e61d-41ff-b4a4-f0d060e2ebcc>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00464-ip-10-147-4-33.ec2.internal.... |
Sparse solutions to linear inverse problems with multiple measurement vectors
Results 1 - 10 of 115
, 2006
"... This paper studies a difficult and fundamental problem that arises throughout electrical engineering, applied mathematics, and statistics. Suppose that one forms a short linear combination of
elementary signa... | {"url":"http://citeseerx.ist.psu.edu/showciting?doi=10.1.1.154.4555","timestamp":"2014-04-18T08:40:47Z","content_type":null,"content_length":"43962","record_id":"<urn:uuid:939a0b14-2f0d-4e23-a92a-08032c43abfa>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00049-ip-10-147-4-33.ec2.int... |
Module 8: Exploring Algorithms
Module Objectives
In this module you will:
a) Solve a task involving scientific notation and Order of Operations
b) Explore algorithms related to subtraction, multiplication, and division.
Task 1: Distan... | {"url":"http://coedpages.uncc.edu/abpolly/6311/module-8-algorithms.htm","timestamp":"2014-04-20T04:03:39Z","content_type":null,"content_length":"7415","record_id":"<urn:uuid:a01abefe-6384-43d7-8310-99e2f0a735e8>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00497-ip-10-147-4-33.ec2.in... |
Polynomials and polynomial functions
Next: Polynomials in one variable Up: Pre-requisites Previous: Conic sections
We now revise the definition and elementary properties of polynomials and polynomial functions. The fundamental ideas of calculus consist of extending these notions to a larger class of functions.
Ther... | {"url":"http://www.imsc.res.in/~kapil/geometry/prereq1/node4.html","timestamp":"2014-04-17T19:59:35Z","content_type":null,"content_length":"3569","record_id":"<urn:uuid:7d65d0b2-48c9-4e73-a7e6-c389ffcd1693>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00191-ip-10-147-4-33.ec2.interna... |
CGTalk - trying to use the API in python.. again
Once more I'm trying to use the Maya API via python .. and again I can't get it to work properly. What I want to do is using the api Matrix class to create the inverse of the one I retrieved from the
xform command.
#get the inverse matrix using the maya api
def inverseMa... | {"url":"http://forums.cgsociety.org/archive/index.php/t-592173.html","timestamp":"2014-04-17T16:03:59Z","content_type":null,"content_length":"6027","record_id":"<urn:uuid:636679b0-490e-4c58-ad91-173ae6884172>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00537-ip-10-147-4-33.ec2.inter... |
Find Parametric Equation for Moving Particle
October 11th 2010, 08:04 AM
Find Parametric Equation for Moving Particle
Hello. I am familiar with parametric equations but the way this one is being asked is throwing me off.
Find parametric equations for the path of a particle that moves along the circle
(x-1)^... | {"url":"http://mathhelpforum.com/calculus/159164-find-parametric-equation-moving-particle-print.html","timestamp":"2014-04-18T13:23:40Z","content_type":null,"content_length":"7192","record_id":"<urn:uuid:0caabbb0-689b-4fdb-8786-772c14a3ff49>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005... |
Integral Equation
Copyright © University of Cambridge. All rights reserved.
'Integral Equation' printed from http://nrich.maths.org/
A differential equation involves functions and derivatives. Integral equations involve functions and integrals.
In this example you have an integral equation. First you have to differenti... | {"url":"http://nrich.maths.org/4933/note?nomenu=1","timestamp":"2014-04-20T16:11:10Z","content_type":null,"content_length":"3229","record_id":"<urn:uuid:3684d9b0-4feb-480b-8ee7-46009545b5a9>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00026-ip-10-147-4-33.ec2.internal.warc.gz"} |
Taylor Polynomial and Remainder
December 9th 2010, 04:47 PM #1
Junior Member
Oct 2009
Taylor Polynomial and Remainder
I'm not sure how to present an answer to this kind of question. It states:
Present the 3rd-Degree Taylor Polynomial $P_{a,2}(h)$ as well as the Lagrange remainder for the function $f(x,y) = ... | {"url":"http://mathhelpforum.com/calculus/165847-taylor-polynomial-remainder.html","timestamp":"2014-04-16T20:14:21Z","content_type":null,"content_length":"40876","record_id":"<urn:uuid:f0f3f908-5528-433f-a39d-cb7ffbed32a3>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00053-ip-10-14... |
predicate logic
“Exponentiation on reals has no left identity.” What does this mean exactly?
Hello thehollow89Exponentiation on reals takes a real number, $x$, and raises a base, $a$, say, to the power of $x$. So, using $\circ$ notation, exponentiation can be defined as the binary operation:
$a\circ x = a^x$. A left id... | {"url":"http://mathhelpforum.com/discrete-math/76981-predicate-logic.html","timestamp":"2014-04-18T00:36:54Z","content_type":null,"content_length":"34897","record_id":"<urn:uuid:ca921fa8-aee1-436e-a31c-495edbc57184>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00347-ip-10-147-4-33.e... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Day 3 Math Forum Advanced Summer Institute
Replies: 0
Day 3 Math Forum Advanced Summer Institute
Post... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=350605","timestamp":"2014-04-16T14:22:34Z","content_type":null,"content_length":"20511","record_id":"<urn:uuid:849fcfa9-c365-4390-93a8-28dcf37fe92d>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00381-ip-10-147-4-33.ec2.internal.wa... |
Definition of right triangle in English:
right triangle
Syllabification: right tri·an·gle
North American
• A triangle with a right angle.
More example sentences
□ To fit the National Gallery's East Building on a trapezoid-shaped site, architect I.M. Pei based his design on a division of a trapezoid into an ... | {"url":"http://www.oxforddictionaries.com/definition/american_english/right-triangle","timestamp":"2014-04-20T11:24:01Z","content_type":null,"content_length":"114229","record_id":"<urn:uuid:3c3048e6-7885-4673-8855-997426ebd13f>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00407-ip-1... |
Why is Mathematics Possible: Tim Gowers's Take on the Matter
Why is Mathematics Possible: Tim Gowers’s Take on the Matter
In a previous post I mentioned the question of why is mathematics possible. Among the interesting comments to the post, here is a comment by Tim Gowers:
“Maybe the following would be a way of rephra... | {"url":"https://gilkalai.wordpress.com/2013/06/19/why-is-mathematics-possible-tim-gowerss-take-on-the-matter/","timestamp":"2014-04-21T14:47:01Z","content_type":null,"content_length":"142736","record_id":"<urn:uuid:ce1cc941-2c5d-4837-823f-8cb8efcaa4af>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-... |
Ring Test
Exercise 2. Let Z[n][i] = { a+bi | a, b belong to Z[n], i^2=-1 } (the Gaussian integers modulo n ). This software finds the group of units of this ring and the order of each element of the group. Run
the program for n = 3, 7, 11, and 23. Is the group of units cyclic for these cases? Try to guess a formula for... | {"url":"http://www.d.umn.edu/~jgallian/project.kai/ring.html","timestamp":"2014-04-20T13:29:42Z","content_type":null,"content_length":"3001","record_id":"<urn:uuid:425eae9c-24d5-4070-a9f0-0f70163649da>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00574-ip-10-147-4-33.ec2.internal.wa... |
Wolfram Demonstrations Project
Complex Multiplication
complex number
is a two-dimensional number and as such needs two coordinates to describe it. We usually use its , coordinates, where represents its real component, and y represents its imaginary component. When
expressed this way a complex number looks like this: .
... | {"url":"http://demonstrations.wolfram.com/ComplexMultiplication/","timestamp":"2014-04-17T09:41:21Z","content_type":null,"content_length":"44248","record_id":"<urn:uuid:06ecad45-34e9-4ae6-9788-e6e34b1518e4>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00338-ip-10-147-4-33.ec2.intern... |
st: Fitting a two-equation zero-inflated model in GLLAMM
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
st: Fitting a two-equation zero-inflated model in GLLAMM
From Serguei Kaniovski <Serguei.Kaniovski@wifo.ac.at>
To statalist@hsphsun2.harvard.edu
Subject st: Fitting a two-equation ... | {"url":"http://www.stata.com/statalist/archive/2009-05/msg00305.html","timestamp":"2014-04-18T15:43:02Z","content_type":null,"content_length":"6349","record_id":"<urn:uuid:e5a9ba81-e3dd-4c56-b378-24a5262dbc4c>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00014-ip-10-147-4-33.ec2.int... |
Test Average Word Problem
Date: 02/20/2004 at 10:22:51
From: Rich
Subject: Difficult Word Problem
In a certain class there are more than 20 and fewer than 40 students.
On a recent test the average passing mark was 75. The average failing
mark was 48 and the class average was 66. The teacher then raised
every grade 5 ... | {"url":"http://mathforum.org/library/drmath/view/65416.html","timestamp":"2014-04-16T22:28:34Z","content_type":null,"content_length":"8560","record_id":"<urn:uuid:0c950112-1d2c-405e-b50e-09f115d2395a>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00061-ip-10-147-4-33.ec2.internal.war... |
Platonic Solids
This article explains how to calculate the coordinates of the corners of the Platonic solids: tetrahedron, cube (hexahedron), octahedron, dodecahedron, and icosahedron.
Several of my writings involve the Platonic solids. For instance, some of the programs included with my book Visual Basic Graphics Prog... | {"url":"http://www.vb-helper.com/tutorial_platonic_solids.html","timestamp":"2014-04-17T19:04:42Z","content_type":null,"content_length":"27223","record_id":"<urn:uuid:4589b5ff-97e6-4f47-8c67-b58266b5d8c1>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00038-ip-10-147-4-33.ec2.internal... |
A few integration problems
April 4th 2013, 09:28 PM #1
May 2009
A few integration problems
I am not supposed to "integrate by substitution" or anything fancy yet in this section ......
"In each part, confirm that the formula is correct and state a corresponding integration formula."
a) (d/dx)[sqrt(1+ X^... | {"url":"http://mathhelpforum.com/calculus/216691-few-integration-problems.html","timestamp":"2014-04-17T21:40:30Z","content_type":null,"content_length":"43751","record_id":"<urn:uuid:185ab86f-7b92-4f0f-a604-0f89c4e536c4>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00153-ip-10-147-4... |
The world's 23 toughest math questions
It sounds like a math phobic's worst nightmare or perhaps Good Will Hunting for the ages.
Those wacky folks at he the Defense Advanced Research Projects Agency have put out a research request it calls Mathematical Challenges, that has the mighty goal of "dramatically revolutionizi... | {"url":"http://www.networkworld.com/community/blog/worlds-23-toughest-math-questions","timestamp":"2014-04-17T04:08:48Z","content_type":null,"content_length":"97695","record_id":"<urn:uuid:8ac16adb-94b6-4d3d-a857-4f3a9994d51c>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00291-ip-10... |
Probability Question- could be simple/could be hard??
May 7th 2010, 12:33 AM
Probability Question- could be simple/could be hard??
Suppose you have an initial balance of £50 and play £10 stakes on a coin- heads you win ( and gain £10) / tails you lose. What is the probability of doubling your initial balance assumi... | {"url":"http://mathhelpforum.com/advanced-statistics/143502-probability-question-could-simple-could-hard-print.html","timestamp":"2014-04-21T13:55:07Z","content_type":null,"content_length":"5228","record_id":"<urn:uuid:18b472dc-821c-41b9-a7d5-bf4368425377>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-M... |
Summary: Weighted Skeletons and FixedShare Decomposition #
Institute for Theoretical Computer Science
University of Technology, Graz, Austria
We introduce the concept of weighted skeleton of a polygon and present various decomposition and
optimality results for this skeletal structure when the underlying polygon is co... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/005/3892621.html","timestamp":"2014-04-17T17:05:46Z","content_type":null,"content_length":"8622","record_id":"<urn:uuid:a85a24f4-4535-445e-9155-736a418f9765>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00059-ip-10-147-4... |
Dresher Math Tutor
...I have also done black and white film photography and developed the film and paper myself. With my DSLR, I use manual settings, and I photograph a variety of things. As an artist, I can assist
with both the artistic and the technical side of photography.
19 Subjects: including algebra 1, alg... | {"url":"http://www.purplemath.com/Dresher_Math_tutors.php","timestamp":"2014-04-18T01:08:30Z","content_type":null,"content_length":"23544","record_id":"<urn:uuid:a2418e35-b682-4206-a7f1-3e3b5a93429c>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00528-ip-10-147-4-33.ec2.internal.warc.... |
Incorporating the DWN into the MDWD Framework
Next: Multidimensional Unit Elements Up: Digital Waveguide Networks Previous: Note
Incorporating the DWN into the MDWD Framework
At this point, the reader may have noticed more than a few similarities between the treatment of transmission lines in this chapter and the l... | {"url":"https://ccrma.stanford.edu/~bilbao/master/node142.html","timestamp":"2014-04-19T14:57:54Z","content_type":null,"content_length":"12170","record_id":"<urn:uuid:eefaa06e-9790-4f21-ac68-2696ff8b4ec1>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00229-ip-10-147-4-33.ec2.internal.... |
Posts about Thomas Bayes on In the Dark
My earlier post on Bayesian probability seems to have generated quite a lot of readers, so this lunchtime I thought I’d add a little bit of background. The previous discussion started from the result
$P(B|AC) = K^{-1}P(B|C)P(A|BC) = K^{-1} P(AB|C)$
Although this is called Bayes’ ... | {"url":"https://telescoper.wordpress.com/tag/thomas-bayes/","timestamp":"2014-04-18T06:05:18Z","content_type":null,"content_length":"52941","record_id":"<urn:uuid:59d49dfd-d02c-4c62-9217-e8774f03db1c>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00186-ip-10-147-4-33.ec2.internal.warc... |
XOR Encryption
Exclusive-OR encryption, while not a public-key system such as RSA, is almost unbreakable through brute force methods. It is susceptible to patterns, but this weakness can be avoided through first
compressing the file (so as to remove patterns). Exclusive-or encryption requires that both encryptor and de... | {"url":"http://www.cprogramming.com/tutorial/xor.html","timestamp":"2014-04-19T14:57:31Z","content_type":null,"content_length":"24139","record_id":"<urn:uuid:36360ae5-d9d3-4d3c-91c6-52a1775d75be>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00617-ip-10-147-4-33.ec2.internal.warc.gz"} |
MathGroup Archive: October 2010 [00108]
[Date Index] [Thread Index] [Author Index]
Re: Plotting a function dynamically in a loop
• To: mathgroup at smc.vnet.net
• Subject: [mg112905] Re: Plotting a function dynamically in a loop
• From:... | {"url":"http://forums.wolfram.com/mathgroup/archive/2010/Oct/msg00108.html","timestamp":"2014-04-17T18:28:54Z","content_type":null,"content_length":"26573","record_id":"<urn:uuid:f499e0bb-7c7c-469a-aa45-feee16e5b73a>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00320-ip-10-147-4-33.... |
Wolfram Demonstrations Project
Acceptance/Rejection Sampling
With this Demonstration, you can visualize the rejection sampling technique, which is also known as the acceptance-rejection algorithm. Select a target distribution (the distribution from which you
would like to generate random samples) and then choose a "thr... | {"url":"http://demonstrations.wolfram.com/AcceptanceRejectionSampling/","timestamp":"2014-04-16T16:16:39Z","content_type":null,"content_length":"52073","record_id":"<urn:uuid:13abda76-9fda-4270-a2ac-d649d4a7ba72>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00079-ip-10-147-4-33.ec2.i... |
radical expressions and equations: simplifying radicals
Google users came to this page today by entering these keyword phrases:
• Sum and Difference of Rational Expressions
• algebra games for 6th graders/ input and output games
• "Trigonometry word search"
• adding roots with variables
• chemical formula pro... | {"url":"http://softmath.com/math-com-calculator/solving-a-triangle/radical-expressions-and.html","timestamp":"2014-04-17T10:00:49Z","content_type":null,"content_length":"191100","record_id":"<urn:uuid:eac0b7d4-ca04-4c83-8147-5346aec95bdd>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010... |
Try this one
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
#1 2006-02-23 16:56:28
Try this one
prove that ,
u (to the power)... | {"url":"http://www.mathisfunforum.com/viewtopic.php?id=2904","timestamp":"2014-04-21T09:43:03Z","content_type":null,"content_length":"14939","record_id":"<urn:uuid:d8e8c559-9645-4106-98a7-fdbd86513a7e>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00258-ip-10-147-4-33.ec2.internal.wa... |
Mplus Discussion >> Standardised output in multilevel SEM
Xu, Man posted on Wednesday, November 05, 2008 - 9:07 am
I was wondering how the standardised path coefficients in the multilevel SEM are derived.
1.Are level 1 standardised coefficients obstained by unstandardised beta being multiplied with ratio between sd of ... | {"url":"http://www.statmodel.com/cgi-bin/discus/discus.cgi?pg=next&topic=12&page=3705","timestamp":"2014-04-20T21:03:22Z","content_type":null,"content_length":"32244","record_id":"<urn:uuid:236691f7-7ce5-4bb8-b3c8-b0b57691b93f>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00429-ip-1... |
A139250 - OEIS
A139250 Toothpick sequence (see Comments lines for definition). 378
0, 1, 3, 7, 11, 15, 23, 35, 43, 47, 55, 67, 79, 95, 123, 155, 171, 175, 183, 195, 207, 223, 251, 283, 303, 319, 347, 383, 423, 483, 571, 651, 683, 687, 695, 707, 719, 735, 763, 795, 815, 831, 859,
895, 935, 995, 1083, 1163, 1199, 12... | {"url":"http://oeis.org/A139250","timestamp":"2014-04-17T00:49:28Z","content_type":null,"content_length":"62619","record_id":"<urn:uuid:08917d5f-cafd-455d-b686-d626e2b6ce5d>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00327-ip-10-147-4-33.ec2.internal.warc.gz"} |
Comments on The Geomblog: Top 125 questions for the next 25 yearsThis is a tricky problem. on the one hand, I feel ...As a computer scietist I am thrilled that these tw...This problem "How Far Can We Push Chemical Self...
tag:blogger.com,1999:blog-6555947.post112020042696463560..comments2014-01-12T10:46:48.153-07:00... | {"url":"http://geomblog.blogspot.com/feeds/112020042696463560/comments/default","timestamp":"2014-04-16T07:14:07Z","content_type":null,"content_length":"8977","record_id":"<urn:uuid:ec3d6ebc-8dd7-4617-807f-99caa0dd5427>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00371-ip-10-147-4-... |
complex connection
complex connection
Let $\xi =\left(p:E\to B\right)$ be a complex-analytic $G$-principal bundle where $G$ is a complex Lie group. The complex-analytic Ehresmann connection is the analytic field of horizontal subspaces,
which is $G$-equivariant. One can consider the underlying real principal bundle ${\... | {"url":"http://ncatlab.org/nlab/show/complex+connection","timestamp":"2014-04-20T05:47:41Z","content_type":null,"content_length":"14578","record_id":"<urn:uuid:399a8906-a708-480b-a480-0be321fcd9b0>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00576-ip-10-147-4-33.ec2.internal.warc.g... |
Repeating Decimals
5.21: Repeating Decimals
Difficulty Level:
Created by: CK-12
Practice Repeating Decimals
Have you ever had a math problem that you couldn't figure out?
Well, Josie is having a difficult time trying to figure one out. Josie is in charge of organizing the sixth and seventh grade into six teams for fiel... | {"url":"http://www.ck12.org/book/CK-12-Concept-Middle-School-Math---Grade-6/r1/section/5.21/","timestamp":"2014-04-21T13:20:54Z","content_type":null,"content_length":"133376","record_id":"<urn:uuid:6af2c737-70e7-4fff-bc41-1f6a745eb541>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00... |
decimal to binary conversion
decimal to binary conversion
hi i want to make a program that spits out the binary equivalent of numbers from 0-10000. Any ideas how to get started.???
Sure, lots of ideas ;-)
Look into the bit-shift operators << and >> to move individual bits into a usable position (position 0 ... | {"url":"http://cboard.cprogramming.com/c-programming/40025-decimal-binary-conversion-printable-thread.html","timestamp":"2014-04-18T00:24:34Z","content_type":null,"content_length":"8075","record_id":"<urn:uuid:502e4455-4c37-42ef-aa17-c7c6359b62f9>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140... |
Sherman Oaks Trigonometry Tutor
...I graduated college with a Space Physics degree with an overall 3.8 GPA at a private university. I love physics and have kept all of my text books from college. I was a teacher's assistant for
2 years in basic physics labs and advanced optics lab.
13 Subjects: including trigonom... | {"url":"http://www.purplemath.com/Sherman_Oaks_Trigonometry_tutors.php","timestamp":"2014-04-17T10:56:43Z","content_type":null,"content_length":"24096","record_id":"<urn:uuid:7fe13219-b99c-41f1-aa3f-ca69c3f8b69f>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00009-ip-10-147-4-33.ec2.... |
Department of Physics
Professor Lynn L. Hatfield, Chairperson.
Horn Professors Estreicher and Menzel; Bucy Professor Wigmans; Professors Borst, Cheng, Gangopadhyay, Lichti, Lodhi, and Myles; Associate Professors Gibson, Glab, Holtz, Huang, Lamp, and
Papadimitriou; Assistant Professor Thacker; Joint Professors Kristians... | {"url":"http://www.depts.ttu.edu/officialpublications/archives/01-02CONTENTS/01-02gradphys.html","timestamp":"2014-04-16T13:10:27Z","content_type":null,"content_length":"12883","record_id":"<urn:uuid:38b77c0b-b8d2-456e-8721-2033bbd39189>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-... |
Differentiation using product rule
April 13th 2010, 12:59 AM #1
Sep 2008
Differentiation using product rule
Use the product rule to differentiate the given function with respect to x:
I do not know how to get to the answer from here but the answer is
Your dv/dx should read $\frac{dv}{dx} = 4(x+3)^3$
Apr... | {"url":"http://mathhelpforum.com/calculus/138867-differentiation-using-product-rule.html","timestamp":"2014-04-18T10:47:42Z","content_type":null,"content_length":"35799","record_id":"<urn:uuid:7da33828-8c34-4e79-b510-77627f5e71d5>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00364-i... |
pythagorean theorem
February 8th 2011, 04:53 PM #1
Junior Member
Nov 2010
pythagorean theorem
My question :
Give another proof of the pythagorean theorem by using the equations : a/c = e/a and b/c = d/b obtained from similar trigangles in some figure. (the figure is a triangle with sides abc. there is
a... | {"url":"http://mathhelpforum.com/geometry/170599-pythagorean-theorem.html","timestamp":"2014-04-19T21:15:54Z","content_type":null,"content_length":"32049","record_id":"<urn:uuid:b9560a6c-f673-4f4a-92cb-8dc43fc5b711>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00032-ip-10-147-4-33.e... |
Example 8.21: latent class analysis
Latent class analysis
is a technique used to classify observations based on patterns of categorical responses. Collins and Lanza's book,"
Latent Class and Latent Transition Analysis
," provides a readable introduction, while the UCLA ATS center has an online
statistical computing sem... | {"url":"http://sas-and-r.blogspot.com/2011/01/example-821-latent-class-analysis.html","timestamp":"2014-04-19T01:49:32Z","content_type":null,"content_length":"179190","record_id":"<urn:uuid:e7cf5585-6f1f-485f-ab1c-0828e00d2396>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00594-ip-1... |
Program Mathematics and Statistics UK, Program Mathematics and Statistics England, Program Mathematics and Statistics Greater London, Program Mathematics and Statistics London, Program Mathematics and Statistics Manchester, Program Mathematics and Statistics Greater Manchester - page 5
Program Mathematics and Statisti... | {"url":"http://www.educaedu.co.uk/mathematics-and-statistics_5","timestamp":"2014-04-19T17:01:28Z","content_type":null,"content_length":"97184","record_id":"<urn:uuid:2c22cac8-2ce3-4f6a-b102-dd76e3cd2bc7>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00185-ip-10-147-4-33.ec2.internal... |