content stringlengths 86 994k | meta stringlengths 288 619 |
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Circular Pipes
A surveyor places a metre stick against the base of a large circular underground pipe and finds that the midpoint of the stick is 8 cm from the pipe wall.
Use this information to find the inside diameter of the pipe.
Problem ID: 36 (Feb 2001) Difficulty: 2 Star | {"url":"http://mathschallenge.net/view/circular_pipes","timestamp":"2014-04-16T04:12:43Z","content_type":null,"content_length":"4287","record_id":"<urn:uuid:c4a6ce85-a282-4f78-9066-ce41d5a88c9c>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00592-ip-10-147-4-33.ec2.internal.warc.gz"} |
The name means "fishing" and the game uses two sets of Chinese dominoes (64 tiles in all) with two or three players.
The Deal
The tiles are arranged in a woodpile, four tiles high. Four stacks (16 tiles) are taken from one end and laid face up on the table. Each player then draws his hand; for three players, each draws... | {"url":"http://www.pagat.com/tile/cdom/tiu-u.html","timestamp":"2014-04-17T18:45:02Z","content_type":null,"content_length":"7256","record_id":"<urn:uuid:c3063c4c-a7c1-4723-86f7-e2f083941475>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00259-ip-10-147-4-33.ec2.internal.warc.gz"} |
Stochastic Analysis Common-Leonid Petrov (Northeastern University)-Random 3D surfaces and their asymptotic behavior
Mathematics - Lecture/Discussion
Monday, December 9, 2013
4:00 PM-5:00 PM
ABSTRACT: I will discuss the probabilistic model of randomly tiling a hexagon drawn on the regular triangular lattice by lozenges ... | {"url":"http://www.socialweb.net/Clients/WPI/math.lasso?id=162422","timestamp":"2014-04-18T18:50:51Z","content_type":null,"content_length":"2157","record_id":"<urn:uuid:cf9646f8-85b8-481e-b2f3-1d3365999c10>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00021-ip-10-147-4-33.ec2.intern... |
How Quantum Field Theory Becomes “Effective”
Ken Wilson, Nobel Laureate and deep thinker about quantum field theory, died last week. He was a true giant of theoretical physics, although not someone with a lot of public name recognition. John
Preskill wrote a great post about Wilson’s achievements, to which there’s not ... | {"url":"http://www.preposterousuniverse.com/blog/2013/06/20/how-quantum-field-theory-becomes-effective/","timestamp":"2014-04-20T00:39:21Z","content_type":null,"content_length":"152865","record_id":"<urn:uuid:2ab891ef-7928-4cf7-aa08-7ae33fe11f5c>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-201404... |
Math Forum Discussions
- User Profile for: redmon_@_iu.edu
Math Forum
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Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
User Profile: redmon_@_iu.edu
User Profile for: redmon_@... | {"url":"http://mathforum.org/kb/profile.jspa?userID=710273","timestamp":"2014-04-19T14:56:29Z","content_type":null,"content_length":"15316","record_id":"<urn:uuid:eeded6c6-4918-41f7-8016-8930607b296c>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00198-ip-10-147-4-33.ec2.internal.warc... |
Field MTBF Calculator
Field MTBF Calculator
This tool computes the lower one-sided MTBF at a given confidence limit based on the number of unit-hours accumulated and the total number of field failures. The calculation assumes that units have a
constant failure rate and fail in accordance with the exponential distribu... | {"url":"http://reliabilityanalyticstoolkit.appspot.com/field_mtbf_calculator","timestamp":"2014-04-17T18:22:56Z","content_type":null,"content_length":"11304","record_id":"<urn:uuid:c72fc003-4a73-49a2-b3b9-1b7c0dacdb45>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00435-ip-10-147-4-3... |
The Colony SAT Math Tutor
...I am currently a senior mathematics major at UT Dallas with a cumulative GPA of 3.78. I completed advanced math courses in high school, culminating with AP Calculus and AP Statistics. I
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Tunable Imaging Filters - J. Bland-Hawthorn
3.2. Gap-scanning Filters
Fabry-Perot filter: The air-gap etalon, or Fabry-Perot filter, was introduced in the previous section. The etalon comprises two plates of glass kept parallel over a small separation where the inner
surfaces are mirrors coated with high reflectivity
w... | {"url":"http://ned.ipac.caltech.edu/level5/Hawthorn2/Haw3_2.html","timestamp":"2014-04-21T07:52:43Z","content_type":null,"content_length":"7765","record_id":"<urn:uuid:63b1b745-a1e0-4a57-984a-9d34b5ee8f09>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00083-ip-10-147-4-33.ec2.interna... |
Why aren't electrons considered "black holes"?
That site looks fishy to me.
We have physics that work very well in the energy region accessible to us - even the most powerful colliders we have been able to build.
However, it is known that there are problems with extending this physics too far into high energies - or eq... | {"url":"http://www.physicsforums.com/showthread.php?t=124216","timestamp":"2014-04-18T10:50:53Z","content_type":null,"content_length":"73947","record_id":"<urn:uuid:5a23291b-a888-496d-b097-d0563af63c15>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00208-ip-10-147-4-33.ec2.internal.w... |
How long to build a base?
Graymane -> How long to build a base? (8/15/2011 2:08:37 PM)
Airfield and Port Construction Times
Factors involved in construction times
1. 1 Eng Vehicle = 5 Engineers and 1 build point = 1 engineer.
2. Supply Consumption Rate. Engineers in combat mode consume roughly the same amount of supply... | {"url":"http://www.matrixgames.com/forums/printable.asp?m=2885601","timestamp":"2014-04-17T14:11:38Z","content_type":null,"content_length":"46086","record_id":"<urn:uuid:8ad9f111-d3e1-4285-8589-09274eac5870>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00323-ip-10-147-4-33.ec2.inter... |
Fundamental Algorithms
Alan Siegel
Lecture: M 5:10-7:00, Room 102
... | {"url":"http://cs.nyu.edu/courses/spring14/CSCI-GA.1170-001/index.html","timestamp":"2014-04-18T13:22:21Z","content_type":null,"content_length":"5366","record_id":"<urn:uuid:714b697c-4390-453a-8805-5982c88fe8b6>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00662-ip-10-147-4-33.ec2.in... |
jvegaroj's Likes In Interest Mathematics
Cheat Sheets | StudentHacks.org
Here's a list of some helpful cheat sheets from around the web . . . Algebra Notes 23 pages filled with every formula and rule you need to know for
Math Ability Starts in Infancy, Study Suggests
Babies who have a strong primitive sense of nu... | {"url":"http://www.stumbleupon.com/stumbler/jvegaroj/likes/interest/mathematics","timestamp":"2014-04-20T16:05:59Z","content_type":null,"content_length":"80144","record_id":"<urn:uuid:cd1f14a0-9b37-41db-bc7c-9868ac5b878e>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00650-ip-10-147-... |
Count on Math 2: Making Your First Million
4, 5, 6
Professional Commentary
In this second of two lessons on developing number sense, students begin to apprehend the size of one million by figuring out how long is a million days, how long would it take to count to one
million on a calculator, how long would it take to w... | {"url":"http://www.ohiorc.org/record/4374.aspx","timestamp":"2014-04-18T13:48:05Z","content_type":null,"content_length":"31258","record_id":"<urn:uuid:a72ead4c-03f0-4ae7-80a6-6d317ecfb57c>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00047-ip-10-147-4-33.ec2.internal.warc.gz"} |
Algebra Tutors in
Gurnee, IL 60031
A friendly instructor with PhD and MBA and vast experience
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South River Prealgebra Tutors
...The students experience the benefits of understanding the math which will reflect in their positive results. Since I have experience of working in public schools I am fully enriched with the
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Journal of the Brazilian Computer Society
Services on Demand
Related links
Print version ISSN 0104-6500
J. Braz. Comp. Soc. vol.5 n.3 Campinas Feb. 1999
Simulation of controlled queuing systems and its application to optimal resource management in multiservice cellular networks
... | {"url":"http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-65001999000100005&lng=en&nrm=iso&tlng=en","timestamp":"2014-04-17T05:07:05Z","content_type":null,"content_length":"64088","record_id":"<urn:uuid:2c2bc6d2-27c3-4ffd-b466-c3b34b11ad5c>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-2... |
188 helpers are online right now
75% of questions are answered within 5 minutes.
is replying to Can someone tell me what button the professor is hitting...
• Teamwork 19 Teammate
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• ✔ You're a fan Checking fan status...
Thanks... | {"url":"http://openstudy.com/users/tiffers24/asked","timestamp":"2014-04-20T00:56:44Z","content_type":null,"content_length":"86973","record_id":"<urn:uuid:713a5604-85c4-4398-b71b-04a9d80eb418>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00215-ip-10-147-4-33.ec2.internal.warc.gz"} |
parametric and implicitly defined curves
October 14th 2008, 08:42 AM
parametric and implicitly defined curves
A stick of length 4 pivots counterclockwise around the origin of R2 at a rate of one revolution per second. A smaller stick of length 2 is attached to the end of the larger stick, and pivots
countercloc... | {"url":"http://mathhelpforum.com/calculus/53649-parametric-implicitly-defined-curves-print.html","timestamp":"2014-04-18T12:04:19Z","content_type":null,"content_length":"3953","record_id":"<urn:uuid:a19397ce-97af-46d0-9072-821baa533b01>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-0... |
Using astronaut Mike Fossum’s YouTube video to measure ATV acceleration
By Rhett Allain
The Automated Transfer Vehicle (ATV) doesn’t just bring supplies to the International Space Station. It can also be used for ISS reboosts. What is a reboost? In short, during a reboost, the ISS
velocity is increased by a small amoun... | {"url":"http://blogs.esa.int/atv/2013/04/05/using-astronaut-mike-fossums-youtube-video-to-measure-atv-acceleration/","timestamp":"2014-04-19T15:06:53Z","content_type":null,"content_length":"65852","record_id":"<urn:uuid:87c89bee-a88d-476a-9d11-677beeed5fc6>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-M... |
Cauchy sequences
MT2002 Analysis
Previous page Contents Next page
(Subsequences) (Continuity for Real functions)
Cauchy sequences
One of the problems with de... | {"url":"http://www-groups.dcs.st-and.ac.uk/~john/analysis/Lectures/L10.html","timestamp":"2014-04-16T18:59:41Z","content_type":null,"content_length":"7574","record_id":"<urn:uuid:22cdde46-5080-40b6-acbe-449b23451df1>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00014-ip-10-147-4-33.... |
Rosemont, IL Geometry Tutor
Find a Rosemont, IL Geometry Tutor
...I continued applying trig skills through high school, where I was a straight A student and completed Calculus as a junior. I tutored math through college to stay fresh. Finally, trigonometry
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Matrix diagonisable?
November 7th 2010, 10:35 AM #1
Junior Member
Oct 2010
Matrix diagonisable?
If A is a square matrix with real valiues. Prove that A^tA is diagonisable and that all of it's eigenvalues are real and non-negative.
OK so I can easily prove that it is diagonisable, but I can't get the non-neg... | {"url":"http://mathhelpforum.com/advanced-algebra/162426-matrix-diagonisable.html","timestamp":"2014-04-17T23:17:43Z","content_type":null,"content_length":"29018","record_id":"<urn:uuid:c174dd5f-1fb5-4891-9995-64556ecb78cc>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00492-ip-10-14... |
From the Geometry Forum Newsgroup Archives
About newsgroups || Search newsgroups || All geometry newsgroups
[Switch to the Outline Version]
1. Imitating Soap Bubbles (J... | {"url":"http://mathforum.org/sarah/HTMLthreads/geoforum.descriptions.html","timestamp":"2014-04-20T08:41:26Z","content_type":null,"content_length":"20796","record_id":"<urn:uuid:5a29f0f1-4131-4767-8271-6d482911fd18>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00594-ip-10-147-4-33.ec... |
Westchester, FL Algebra 2 Tutor
Find a Westchester, FL Algebra 2 Tutor
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Check the Results of NDSolve
How to | Check the Results of NDSolve
For most differential equations, the results given by NDSolve are quite accurate. However, because its results are based on numerical sampling and error estimates, there can occasionally be
significant errors. When you need to be sure of the quality of ... | {"url":"http://reference.wolfram.com/mathematica/howto/CheckTheResultsOfNDSolve.html","timestamp":"2014-04-18T03:00:51Z","content_type":null,"content_length":"37098","record_id":"<urn:uuid:a1f7d9a2-c73d-4c2f-b3b2-35b04fc5b837>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00273-ip-10... |
Inequality problem
June 5th 2009, 11:34 AM #1
Mar 2009
Inequality problem
I made a simple model several weeks ago which led to a conjecture, which I have been unable to prove thus far.
Given constants $s$ and $h$ such that
functions $p(x)$ and $C_{i}(x)$ ( $i\in\{1,2\}$) such that
and values
$\e... | {"url":"http://mathhelpforum.com/advanced-applied-math/91905-inequality-problem.html","timestamp":"2014-04-16T22:12:36Z","content_type":null,"content_length":"32358","record_id":"<urn:uuid:62ac2106-83c5-4ce5-acd4-2f734e5690ac>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00128-ip-10-... |
A monadic library to build dataflow graphs for OM. This module just exports a set of chosen symbols from Internal.
data BuilderState vector gauge anot Source
(Show anot, Show (vector gauge), Vector vector) => Show (BuilderState vector gauge anot)
Eq (Builder v g a ret)
(TRealm r, Typeable c, C c, Fractional c) => Fract... | {"url":"http://hackage.haskell.org/package/Paraiso-0.3.1.2/docs/Language-Paraiso-OM-Builder.html","timestamp":"2014-04-19T04:25:26Z","content_type":null,"content_length":"38686","record_id":"<urn:uuid:dd1d87d9-711f-4267-83eb-d8db63f5359c>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-... |
Surface splines
a__ (gif) Definition properties and applications; (short text) properties of surface splines
b__ Basic shapes represented as surface splines (Shaded, BB-net, Isophotes, Gauss curvature, Mean curvature); blends of basic shapes with surface splines (Gauss curvature) A single surface spline
representin... | {"url":"http://www.cise.ufl.edu/research/SurfLab/surf_spl/","timestamp":"2014-04-17T18:44:15Z","content_type":null,"content_length":"3244","record_id":"<urn:uuid:c6249b88-6a29-40ab-9c35-f949afdb7c6f>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00295-ip-10-147-4-33.ec2.internal.warc... |
RIMS Workshop
RIMS Workshop 2003
New methods and subjects in singularity theory
RIMS2003 --- Program in Japanese --- index Last modification on 15th Nov. ... | {"url":"http://www.math.sci.hokudai.ac.jp/~ishikawa/e-rims2003.html","timestamp":"2014-04-21T09:35:49Z","content_type":null,"content_length":"4030","record_id":"<urn:uuid:0e5d2c06-b8f4-4421-9b5c-424f92705404>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00002-ip-10-147-4-33.ec2.inter... |
Three-dimensional adaptive coordinate transformations for the Fourier modal method
« journal navigation
Three-dimensional adaptive coordinate transformations for the Fourier modal method
Optics Express, Vol. 22, Issue 2, pp. 1342-1349 (2014)
The concepts of adaptive coordinates and adaptive spatial resolution have pro... | {"url":"http://www.opticsinfobase.org/oe/fulltext.cfm?uri=oe-22-2-1342&id=276984","timestamp":"2014-04-16T22:40:45Z","content_type":null,"content_length":"207919","record_id":"<urn:uuid:b59b5ebb-aadd-4510-bfb4-62c07fe02734>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00156-ip-10-147... |
(with Jonathan Chaika, Yitwah Cheung
Available as a pdf file
Abstract. We prove that for the surface defined by a holomorphic quadratic differential, the set of directions such that the corresponding Teichmuller geodesic lies in a compact set in the
corresponding stratum is a winning set in Schmidt game. This generaliz... | {"url":"http://math.uchicago.edu/~masur/papers.html","timestamp":"2014-04-16T15:59:03Z","content_type":null,"content_length":"16786","record_id":"<urn:uuid:8d875f73-251f-46d0-9d2e-072dc6082e83>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00310-ip-10-147-4-33.ec2.internal.warc.gz"} |
Linearly constrained optimization and projected preconditioned conjugate gradients
- SIAM J. Matrix Anal. Appl , 2000
"... . The problem of nding good preconditioners for the numerical solution of indenite linear systems is considered. Special emphasis is put on preconditioners that have a 2 2 block structure and
which... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=491499","timestamp":"2014-04-16T13:24:07Z","content_type":null,"content_length":"35129","record_id":"<urn:uuid:e8fc08d1-a1d5-483b-801f-00b0abe1360a>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00007-ip-10-147-4-33.ec2.internal.war... |
Before using Algebrator, I could barely do long division. Now Im like the best student in my algebra class and I never would have been able to get that result without it! Thank you so much!
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It is more intuitive. And it even 'took' my negative scientific annotations and showed me how to simplify! Thanks!... | {"url":"http://www.solve-variable.com/math-variable/cramer%E2%80%99s-rule/my-maths-cheats.html","timestamp":"2014-04-20T15:52:05Z","content_type":null,"content_length":"15586","record_id":"<urn:uuid:0a93eb0a-39e9-4973-9d9a-928e5ce46f81>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00... |
- -
Please install Math Player to see the Math Symbols properly
Click on a 'View Solution' below for other questions:
e What is the distance of the point (6, 8) from the origin? View Solution
e What is the distance of the point (8a, a^2 - 16) from the origin? View Solution
e If the distance from the origin to the po... | {"url":"http://www.icoachmath.com/solvedexample/sampleworksheet.aspx?process=/__cstlqvxbefxaxbgefkxkjhke&.html","timestamp":"2014-04-18T20:47:44Z","content_type":null,"content_length":"87589","record_id":"<urn:uuid:7cabda22-6df8-40bd-a345-1f37fca51b1a>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-2... |
[FOM] Some informative questions about intuitionistic logic and mathematics
[FOM] Some informative questions about intuitionistic logic and mathematics
Lew Gordeew legor at gmx.de
Sat Nov 5 18:57:40 EST 2005
Arnon Avron wrote on Wed, 2 Nov 2005 09:11:43 +0200:
> 1) Is there a definable (in the same way implication is d... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2005-November/009308.html","timestamp":"2014-04-18T20:43:42Z","content_type":null,"content_length":"5199","record_id":"<urn:uuid:dbc375a0-3b1f-46e2-a6df-a2a0ed4bebb7>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00658-ip-10-147-4-33.ec2.int... |
Topics in trivalent graphs
Gans, Marijke van (2007)
Ph.D. thesis, University of Birmingham.
Chapter 0 details the notation and terminology used. Chapter 1 introduces the usual linear algebra over GF2 of edge space E and its orthogonal subspaces Z (cycle space) and Z* (cut space). "Reduced
vectors" are defined as elem... | {"url":"http://etheses.bham.ac.uk/103/","timestamp":"2014-04-18T10:46:20Z","content_type":null,"content_length":"27472","record_id":"<urn:uuid:bf4b760e-52ba-4d35-8124-a479b2921303>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00402-ip-10-147-4-33.ec2.internal.warc.gz"} |
6. THE MATHEMATICIAN, THE PHYSICIST AND THE ENGINEER (AND OTHERS)
Index | Comments and Contributions | previous:5.3 earth sciences quotes
mathematics physics chemistry engineeri... | {"url":"http://jcdverha.home.xs4all.nl/scijokes/6.html","timestamp":"2014-04-20T06:23:19Z","content_type":null,"content_length":"75773","record_id":"<urn:uuid:a8c60b01-9ad1-40e6-ba46-a01feebb0df6>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00049-ip-10-147-4-33.ec2.internal.warc.gz"... |
Generalized native spaces
. . 2008.
Book Title:
Approximation Theory XII: San Antonio 2007
Nashboro Press
Given a strictly positive definite function, we generalize the usual reproducing kernel Hilbert space type of native space construction in order to create {\$Lˆp\$} based types of native spaces for \
$1 {\textless}... | {"url":"http://math.iit.edu/~openscholar/fass/publications/generalized-native-spaces","timestamp":"2014-04-16T13:17:31Z","content_type":null,"content_length":"15294","record_id":"<urn:uuid:0f4a995d-6022-46ce-9946-d13054445430>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00249-ip-10... |
Get homework help at HomeworkMarket.com
Submitted by
on Wed, 2012-06-13 08:27
due on Fri, 2012-06-15 08:25
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Hand shake with
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Balance the assembly Line (Operations Managment)
Balance the assemb... | {"url":"http://www.homeworkmarket.com/content/balance-assembly-line-operations-managment","timestamp":"2014-04-20T03:33:12Z","content_type":null,"content_length":"61822","record_id":"<urn:uuid:cb3ee346-1fc1-478a-8e06-aa4db8b094f9>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00222-i... |
Physics Forums - View Single Post - Converting base 10 to Roman Numerals
Ok i will do that. In line 7 when he sets the int p value = to 100 why does he do it? Does it help convert from base 10 to roman numerals?
Line 10 is the one i dont really understand and i take it, its pretty important. | {"url":"http://www.physicsforums.com/showpost.php?p=2674756&postcount=3","timestamp":"2014-04-16T10:29:12Z","content_type":null,"content_length":"7248","record_id":"<urn:uuid:41e22475-597b-41de-8cfd-4852b2a12647>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00364-ip-10-147-4-33.ec2.i... |
Posts about QFT on Secret Blogging Seminar
Posted by Chris Schommer-Pries in mathematical physics, QFT, quantum topology, talks, tqft, Uncategorized.
Tags: tqft
comments closed
In February there is going to be a workshop and school dedicated to exploring the interactions of Quantum Gravity, Higher Gauge Theory, and Top... | {"url":"http://sbseminar.wordpress.com/category/qft/","timestamp":"2014-04-18T08:30:21Z","content_type":null,"content_length":"68602","record_id":"<urn:uuid:4f811602-bee4-44e9-9799-eeed27682ac8>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00561-ip-10-147-4-33.ec2.internal.warc.gz"} |
Count till current row
Count till current row
• Hi,
Let's say that in the PowerPivot window, I have a single column of names as
I would like to write a calculated column formula which will determine the occurrence of each name from the first entry till the current entry. Therefore, the result I am expecti... | {"url":"http://social.technet.microsoft.com/Forums/en-US/20c9341b-228b-488c-a94e-8f595bd77fcb/count-till-current-row","timestamp":"2014-04-18T06:04:49Z","content_type":null,"content_length":"97133","record_id":"<urn:uuid:28f60a3f-ab4c-44ab-9bb4-1b7c92407b4c>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC... |
Long division
Date: Tue, 15 Nov 94 10:09:04 PST
From: Keith Averell
Subject: math
Dear Dr. Math,
Could you help us with one of our third grade really hard math problems?
Here it is: 7626614/255=?
Thanks for your help!
Mr. Averell's third grade class
Date: Tue, 15 Nov 1994 19:50:56 -0500 (EST)
From... | {"url":"http://mathforum.org/library/drmath/view/58817.html","timestamp":"2014-04-21T10:15:19Z","content_type":null,"content_length":"6193","record_id":"<urn:uuid:c0efb86c-79dd-4fdf-96c3-0ca73621e6c7>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00580-ip-10-147-4-33.ec2.internal.war... |
AUTOMORPHISM for 12 year olds
The author does a superb job, particular when using a permutation domain to a binary domain in the first example.
The three tenets are clearly motivated: that the closure notion is sustained between G the group and H the subgroup even when the group operators are distinct as in f3; that th... | {"url":"http://yorkporc.wordpress.com/2012/08/25/automorphism-for-12-year-olds/","timestamp":"2014-04-21T12:08:15Z","content_type":null,"content_length":"34400","record_id":"<urn:uuid:2793c62b-e136-4caa-885a-685536c9292f>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00420-ip-10-147-4... |
Group actions
July 4th 2009, 06:00 AM #1
May 2009
Group actions
Hey, We can define a group action in two ways:
1) A group G is said to act on a set X, if there exists a group homomorphism ψ : G --> S(X) [the symmetric group of X].
2)Equivalently, a group G acts on a set X, if there is a map from G x... | {"url":"http://mathhelpforum.com/advanced-algebra/94364-group-actions.html","timestamp":"2014-04-17T23:14:33Z","content_type":null,"content_length":"35124","record_id":"<urn:uuid:8b803709-1f15-4b4a-b926-179e8a169d35>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00374-ip-10-147-4-33.... |
Harvey, IL Algebra 1 Tutor
Find a Harvey, IL Algebra 1 Tutor
...My goal is to help all of my students obtain a solid conceptual understanding of the subject they are studying, which provides a foundation to build upon. I consistently monitor progress and
adjust lessons to meet the specific needs of each individual ... | {"url":"http://www.purplemath.com/Harvey_IL_algebra_1_tutors.php","timestamp":"2014-04-21T15:12:24Z","content_type":null,"content_length":"24035","record_id":"<urn:uuid:276aa459-13e9-46a9-a235-fdb08d58a706>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00450-ip-10-147-4-33.ec2.intern... |
probability question
November 20th 2010, 07:10 AM #1
probability question
just a quick question!
For $n \geq 1$, let $X_1,X_2,....,X_n$ denote $n$ independent and identically distributed random variables according to $X$, with cdf $F_X(y)$. Let $Y = max\{X_1,X_2,....,X_n \}$. Show that the
cdf $F_Y(y)$ of $... | {"url":"http://mathhelpforum.com/advanced-statistics/163827-probability-question.html","timestamp":"2014-04-17T19:24:34Z","content_type":null,"content_length":"37229","record_id":"<urn:uuid:d02952d7-d804-4326-bbbd-933c23347cbf>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00387-ip-1... |
weight lifting miracle today
Re: weight lifting miracle today
Yes, I do. Enjoy the salmon.
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
Re: we... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=199727","timestamp":"2014-04-16T16:23:04Z","content_type":null,"content_length":"40910","record_id":"<urn:uuid:6eff0019-9d5a-4207-b301-606d797c9412>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00520-ip-10-147-4-33.ec2.internal... |
11] [12] [13] [14] [15] [16] [17] [18] [19
- In Proceedings of the 23 rd Annual ACM Symposium on Theory of Computing , 1991
"... Concurrent programming enjoys a proliferation of languages but suffers from the lack of a general method of language comparison. In particular, concurrent (as well as sequential) programming
... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=4447085","timestamp":"2014-04-17T15:52:04Z","content_type":null,"content_length":"12999","record_id":"<urn:uuid:e92c9188-4391-4b44-b20e-cc09ce7c9091>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00595-ip-10-147-4-33.ec2.internal.war... |
Summary: Chapter 1
Adaptive Markov Chain Monte Carlo: Theory and Methods
Yves Atchad´e 1
, Gersende Fort and Eric Moulines 2
, Pierre Priouret 3
1.1 Introduction
Markov chain Monte Carlo (MCMC) methods allow to generate samples from an
arbitrary distribution known up to a scaling factor; see Robert and Casella (1999).
... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/505/1083487.html","timestamp":"2014-04-21T13:36:40Z","content_type":null,"content_length":"7699","record_id":"<urn:uuid:a7a8e0bf-4a70-47e8-9967-39e6bb0ee972>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00404-ip-10-147-4... |
Estimating Wind Speed And Direction From a Doppler Wind Image
The Max/Min Method For Estimating Wind Speed and Direction
It should be emphasized before starting that the Max/Min Method for estimating Wind Speed and Direction relies on a major simplifying assumption - that the wind is uniform in both speed and direction... | {"url":"http://www.bom.gov.au/australia/radar/about/estimating_wind.shtml","timestamp":"2014-04-21T04:41:25Z","content_type":null,"content_length":"31177","record_id":"<urn:uuid:32d573c8-5f00-482e-b782-36f58589e180>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00475-ip-10-147-4-33.e... |
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How do you find the horizontal asymptote.. It says in my textb... | {"url":"http://openstudy.com/updates/508891a7e4b0524190914564","timestamp":"2014-04-18T13:50:52Z","content_type":null,"content_length":"47587","record_id":"<urn:uuid:e8a1feea-4cd8-453b-9f7b-4ad42175cae5>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00377-ip-10-147-4-33.ec2.internal.... |
Solving Linear Systems by Elimination through Addition or Subtraction
7.3: Solving Linear Systems by Elimination through Addition or Subtraction
Created by: CK-12
Learning Objectives
At the end of this lesson, students will be able to:
• Solve a linear system of equations using elimination by addition.
• Solve a li... | {"url":"http://www.ck12.org/tebook/Algebra-I-Teacher%2527s-Edition/r1/section/7.3/anchor-content","timestamp":"2014-04-20T14:30:21Z","content_type":null,"content_length":"112410","record_id":"<urn:uuid:e824cdbd-636a-46e4-add8-f8990a39874e>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-2014041600521... |
Baytown ACT Tutor
Find a Baytown ACT Tutor
I have taught math and science as a tutor since 1989. I am a retired state certified teacher in Texas both in composite high school science and mathematics. I offer a no-fail guarantee (contact
me via WyzAnt for details). I am available at any time of the day; I try to be ... | {"url":"http://www.purplemath.com/baytown_act_tutors.php","timestamp":"2014-04-17T13:42:22Z","content_type":null,"content_length":"23518","record_id":"<urn:uuid:5a8e2c60-fa6f-4708-8f2a-a820e072636c>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00591-ip-10-147-4-33.ec2.internal.warc.g... |
Harvey, IL Algebra 1 Tutor
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...My goal is to help all of my students obtain a solid conceptual understanding of the subject they are studying, which provides a foundation to build upon. I consistently monitor progress and
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Results 1 - 10 of 39
, 1996
"... In the past 20 years there has been treftlendous progress in developing and analyzing parallel algorithftls. Researchers have developed efficient parallel algorithms to solve most problems for
which efficient sequential solutions are known. Although some ofthese algorithms are efficient... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=814431","timestamp":"2014-04-18T11:39:50Z","content_type":null,"content_length":"34707","record_id":"<urn:uuid:13ac6f06-726d-4146-a849-5a93ae6c0986>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00134-ip-10-147-4-33.ec2.internal.war... |
Uncertainty - how to calculate?
I am looking for the method to calculate the total uncertainty of measurements.
When we do labs, we always have a independent and dependent variable. So, for example, when we investigate "how temperature affects reaction xy" we use different temperatures (e.g. 5) and measure the
reaction... | {"url":"http://www.chemicalforums.com/index.php?topic=29665.0","timestamp":"2014-04-20T03:12:34Z","content_type":null,"content_length":"37520","record_id":"<urn:uuid:de53a890-5995-4192-85bf-e207c0d429ba>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00415-ip-10-147-4-33.ec2.internal.w... |
Haciendas El Zorzal, PR Math Tutor
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8 Subjects: including calculus, trigonometry, algebra 1, algebra 2
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Re: "The Terminator" Fortran routine
> Subroutine energye, which contains this statement, is dead code,
> probably a relic.
Yes, this again is used in the main program. It calculates what we
call the Jacobi Integral, which in the restricted Three Body Problem is
a constant value for the whole trajectory from Earth to M... | {"url":"http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2005-06/msg00899.html","timestamp":"2014-04-24T16:35:55Z","content_type":null,"content_length":"10577","record_id":"<urn:uuid:850301c1-cc34-49b1-b990-d8146a38fd4e>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-0001... |
Matlab: Number formating
April 7th 2008, 04:50 AM
Matlab: Number formating
Is there a way for Matlab to write out numbers in a "normal" way? That is, to write 10000 simply as 10000? I'd like to have more than three figures in front of the decimal dot. Is that possible?
These kind of print outs are just sad:
... | {"url":"http://mathhelpforum.com/math-software/33519-matlab-number-formating-print.html","timestamp":"2014-04-24T00:20:44Z","content_type":null,"content_length":"4559","record_id":"<urn:uuid:94008985-68a0-4d7c-a21c-fd11c129cfa9>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00106-ip-1... |
From HaskellWiki
(Difference between revisions)
(→Further reading: reference for Traversable laws) (→Further reading: add link to cool use of Monoid)
← Older edit Newer edit →
Line 1,035: ... | {"url":"http://www.haskell.org/haskellwiki/index.php?title=Typeclassopedia&diff=55211&oldid=55210","timestamp":"2014-04-18T08:12:24Z","content_type":null,"content_length":"256658","record_id":"<urn:uuid:88c8b265-ba97-481e-8ef8-89ddf660f4de>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-201404160052... |
Applying Risk Analysis To Play-Balance RPGs
How often do players and game magazines compliment a recently released game by saying that it's "well balanced"? How often do they say this about products that have been out for years? In the
real-time strategy (RTS) and role-playing game (RPG) genres, the answer to the first... | {"url":"http://www.gamasutra.com/view/feature/2843/applying_risk_analysis_to_.php","timestamp":"2014-04-18T10:37:02Z","content_type":null,"content_length":"76532","record_id":"<urn:uuid:d8c95764-8845-4553-a229-6cb1c45944a6>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00392-ip-10-14... |
Maths Museum - Museum
© Islington Artefact Library
The abacus has been used by the inhabitants of China, Japan and Russia for thousands of years. It is the ancestor of our modern calculator although not as we know it. The users of an abacus would
carry out the calculations in their head, and would use the abacus to ke... | {"url":"http://www.counton.org/museum/floor3/gallery7/gal1_2p4.html","timestamp":"2014-04-19T12:37:52Z","content_type":null,"content_length":"5600","record_id":"<urn:uuid:ddddce8d-8e23-43df-94e1-151b66b58204>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00143-ip-10-147-4-33.ec2.inte... |
Summary: 18.014ESG Problem Set 2
Pramod N. Achar
Fall 1999
1. Exercise 2 in Section I 3.5 of Apostol. (You may use Axioms 19 and
Theorems I.1I.25.)
2. Let C denote the field of complex numbers. (Of course, we haven't defined
C rigorously in class; this problem requires you to use what you know
about complex numbers ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/161/4777055.html","timestamp":"2014-04-21T02:20:27Z","content_type":null,"content_length":"7727","record_id":"<urn:uuid:cb32cd08-5b8f-48af-93fa-29bfc31c02ea>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00630-ip-10-147-... |
Natural logarithm: Riemann surfaces
Riemann surfaces
Real and imaginary parts of the continuation of over the . The imaginary part is a faithful representation of the Riemann surface of .
Imaginary parts of the continuation of over the . The viewpoint is from the lower half‐plane.
Imaginary parts of the continuation of... | {"url":"http://functions.wolfram.com/ElementaryFunctions/Log/visualizations/10/ShowAll.html","timestamp":"2014-04-18T06:09:31Z","content_type":null,"content_length":"37186","record_id":"<urn:uuid:6fcf6fc4-dd8a-4aa8-84e7-22cd929fa11b>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-0061... |
Mattel Disney Pixar Diecast CARS: The Scale Of It
Mattel Disney Pixar CARS
Mattel Disney Pixar Diecast CARS: The Scale Of It
Mattel’s version of Lightning McQueen is @3.25″ inches in length and in the announced scale of 1:55.
1:55 indicates the ratio – he is 1/55th the size he would be in “real life.”
Of course, techn... | {"url":"http://www.takefiveaday.com/2010/02/08/mattel-disney-pixar-diecast-cars-the-scale-of-it/","timestamp":"2014-04-19T10:21:30Z","content_type":null,"content_length":"84899","record_id":"<urn:uuid:208fd5f5-3f40-451d-aad8-bd0a58d120b9>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-... |
{- |
Module : Data.Graph.Analysis
Description : A Graph-Theoretic Analysis Library.
Copyright : (c) Ivan Lazar Miljenovic 2009
License : 2-Clause BSD
Maintainer : Ivan.Miljenovic@gmail.com
This is the root module of the /Graphalyze/ library, which aims to
provide a way of analysing the ... | {"url":"http://hackage.haskell.org/package/Graphalyze-0.10.0.1/docs/src/Data-Graph-Analysis.html","timestamp":"2014-04-16T14:03:29Z","content_type":null,"content_length":"39329","record_id":"<urn:uuid:bc5477e2-b09d-46c6-9976-8c84df5d1c72>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203... |
The Purplemath Forums
In this diagram, the points with a green dot are known and the red ones unknown. Could someone explain what formula I need to determine the red dotted points?
Re: Equations for finding points on a circle circumference
Hi Ahh, so the technique is to use pythagoras - I should have thought of that!... | {"url":"http://www.purplemath.com/learning/search.php?author_id=33479&sr=posts","timestamp":"2014-04-20T18:23:33Z","content_type":null,"content_length":"14922","record_id":"<urn:uuid:8b130aac-48dd-4b06-bbea-5902f4fdcb18>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00055-ip-10-147-4... |
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STATISTICS A Bag Contains 60 Marbles. The Number... | Chegg.com
STATISTICS A bag contains 60 marbles. The number of blue marbles, rounded to the nearest 10, is 40, and the number of green marbles in the bag, rounded to the nearest 10, is 20. How many blue marbles
are in the bag? (List all answers that satisfy the condi... | {"url":"http://www.chegg.com/homework-help/statistics-bag-contains-60-marbles-number-blue-marbles-round-chapter-1-problem-47x4-solution-9780073384177-exc","timestamp":"2014-04-20T14:30:28Z","content_type":null,"content_length":"93700","record_id":"<urn:uuid:56549abd-57d2-493e-b06e-74695f2b7175>","cc-path":"CC-MAIN-2014... |
completing the square
Can someone give me a brief run thru of completing the square. I need a memory jog. Thanks.
Here. Follow post #4 first two lines only. Avoid everything else. That is the most general case.
this post might be of some help, there are others. i'll try to look them up http://www.mathhelpforum.com/math... | {"url":"http://mathhelpforum.com/pre-calculus/14692-completing-square-print.html","timestamp":"2014-04-20T17:57:29Z","content_type":null,"content_length":"5496","record_id":"<urn:uuid:daee7ec2-9629-4674-a42b-b47a9fd9bc22>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00604-ip-10-147-4... |
Convert kiloyard to foot - Conversion of Measurement Units
›› Convert kiloyard to foot
Did you mean to convert kiloyard to foot
foot [Egypt]
foot [France]
foot [iraq]
foot... | {"url":"http://www.convertunits.com/from/kiloyard/to/foot","timestamp":"2014-04-21T12:13:53Z","content_type":null,"content_length":"21967","record_id":"<urn:uuid:10a98548-86ec-4b75-95f1-74622ac75cd8>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00011-ip-10-147-4-33.ec2.internal.warc... |
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Topic: Error: Subscript indices must either be real positive integers or logicals.
Replies: 1 Last Post: Jun 2... | {"url":"http://mathforum.org/kb/message.jspa?messageID=9145287","timestamp":"2014-04-17T21:37:04Z","content_type":null,"content_length":"17386","record_id":"<urn:uuid:e35da9f5-c00d-4b60-b6ad-6f694362cb87>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00294-ip-10-147-4-33.ec2.internal... |
Numerical Simulation of Power Law and Yield Stress Fluid Flow in a Double Concentric Cylinder Rheometer with a Slotted Rotor (DCCR/SR) and Vane Rheometer
Three dimensional steady state flows in a DCCR/SR and a vane rheometer have been numerically simulated. We analyzed and compared the systematic errors in rheological ... | {"url":"https://acswebcontent.acs.org/prfar/2011/Paper11357.html","timestamp":"2014-04-19T04:58:45Z","content_type":null,"content_length":"23753","record_id":"<urn:uuid:916dd97e-b991-4347-8da8-947ad5492711>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00601-ip-10-147-4-33.ec2.intern... |
Formative Assessment Lessons (beta)
Read more about the purpose of the MAP Classroom Challenges…
Devising a Measure for Correlation
Mathematical goals
This lesson unit is intended to help you assess how well students understand the notion of correlation. In particular this unit aims to identify and help students who ha... | {"url":"http://map.mathshell.org.uk/materials/lessons.php?taskid=420&subpage=problem","timestamp":"2014-04-17T03:53:15Z","content_type":null,"content_length":"16857","record_id":"<urn:uuid:9433e165-df35-4516-bb27-425d6d62eb79>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00187-ip-10... |
Go4Expert - Square Root using Newton Iteration
StormcasteR 16Jan2009 20:46
Square Root using Newton Iteration
So.Dudes heres the deal.Yesterday a f... | {"url":"http://www.go4expert.com/printthread.php?t=15842","timestamp":"2014-04-16T17:17:51Z","content_type":null,"content_length":"8165","record_id":"<urn:uuid:8f859b43-1532-4a71-a0f2-d7320eb8d790>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00493-ip-10-147-4-33.ec2.internal.warc.g... |
Unshuffling A Square Is NP-Complete
Unshuffling A Square Is NP-Complete Follow
Written by Mike James
Saturday, 08 December 2012
New NP complete problems are always interesti... | {"url":"http://www.i-programmer.info/news/112-theory/5174-unshuffling-a-square-is-np-complete.html","timestamp":"2014-04-20T10:49:09Z","content_type":null,"content_length":"39306","record_id":"<urn:uuid:6fa97fcc-af24-4900-abc9-75f02e8140c5>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-201404160052... |
Setting up double integral
January 27th 2009, 08:33 PM #1
Junior Member
Jan 2009
Setting up double integral
I was just wondering if the set up for this problem; integrate f(s,t)=e^slnt over the region in the first quadrant of the st-plane that lies above the curve s=lnt from t=1 to t=2
integral(t=1 to t=2)i... | {"url":"http://mathhelpforum.com/calculus/70304-setting-up-double-integral.html","timestamp":"2014-04-16T13:54:08Z","content_type":null,"content_length":"33283","record_id":"<urn:uuid:863870a2-7aa1-4dc8-8cce-51791bf1ed04>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00551-ip-10-147-4... |
Verify the expression.
December 19th 2012, 06:13 AM #1
Junior Member
Oct 2012
Verify the expression.
$T:V \rightarrow W$ is a linear transformation and $S \in L^k (W).$
Is it true that $T^*(S^{\delta})= (T^* (S))^{\delta}, \delta \in S_k$?
Re: Verify the expression.
Hey vercammen.
This might be a du... | {"url":"http://mathhelpforum.com/differential-geometry/210122-verify-expression.html","timestamp":"2014-04-19T04:27:13Z","content_type":null,"content_length":"48665","record_id":"<urn:uuid:ffd84991-b169-4c73-9dd6-61840073183d>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00458-ip-10... |
Math Help
March 12th 2010, 02:31 AM #1
Junior Member
Jan 2008
A number is increased by 25% and the resulting number is then decreased by 20%. The final number is what percent of the original number?
I know the answer is 100 but how do I show it?
Last edited by mr fantastic; March 23rd 2010 at 02:22 AM.... | {"url":"http://mathhelpforum.com/algebra/133441-percents.html","timestamp":"2014-04-21T00:44:13Z","content_type":null,"content_length":"32226","record_id":"<urn:uuid:db8f26ca-5021-454a-9e36-453861c046ba>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00466-ip-10-147-4-33.ec2.internal.w... |
Acceleration calculation - what am I doing wrong?
2012-Mar-24, 06:33 PM #1
Acceleration calculation - what am I doing wrong?
I am trying to figure out how to use the formula for calculating acceleration.
First try:
Initial speed - 0 metres/s^2
Final speed - 100 metres/s^2
Time - 10 seconds.
Answ... | {"url":"http://cosmoquest.org/forum/showthread.php?129830-Acceleration-calculation-what-am-I-doing-wrong&p=2002050","timestamp":"2014-04-20T18:59:07Z","content_type":null,"content_length":"76918","record_id":"<urn:uuid:2fc13222-62c3-45b0-b58a-35a18cc05f25>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-M... |
[FOM] Frege's error
William Tait williamtait at mac.com
Sat Jul 30 10:30:47 EDT 2005
On Jul 14, 2005, at 11:27 AM, Neil Tennant wrote:
> But Frege would have resisted the use of closed lambda terms
> in any explanation of what he might have meant by transforming the
> function x>y into the function x>x. For Frege, func... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2005-July/009020.html","timestamp":"2014-04-19T09:29:08Z","content_type":null,"content_length":"4181","record_id":"<urn:uuid:b0349371-9ca6-4de6-b77d-46bf62ccbd43>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00085-ip-10-147-4-33.ec2.interna... |
Posts from May 2009 on The Unapologetic Mathematician
I want to mention a topic I thought I’d hit back when we talked about adjoint functors. We know that every poset is a category, with the elements as objects and a single arrow from $a$ to $b$ if $a\
leq b$. Functors between such categories are monotone functions, pr... | {"url":"https://unapologetic.wordpress.com/2009/05/page/2/","timestamp":"2014-04-17T21:39:18Z","content_type":null,"content_length":"92322","record_id":"<urn:uuid:6a59a387-f6c9-4cc2-94d7-7942290c19ab>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00184-ip-10-147-4-33.ec2.internal.war... |
On the oscillation of the summatory totient about its average
up vote 5 down vote favorite
Let $$R(x)=\sum_{n\leq x}\phi(n)-\frac{3x^2}{\pi^2}.$$ Montgomery has shown that $R(x)=\Omega_{\pm}(x\sqrt{\log\log x})$, which is the best known lower bound. It seems interesting therefore that $$\
int_0^{\infty}\frac{R(x)dx}{x^... | {"url":"http://mathoverflow.net/questions/126890/on-the-oscillation-of-the-summatory-totient-about-its-average","timestamp":"2014-04-18T18:28:52Z","content_type":null,"content_length":"60124","record_id":"<urn:uuid:648953b0-d294-4615-8e21-d6268333800a>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-2... |
Quantum Forest
I was working with a small experiment which includes families from two Eucalyptus species and thought it would be nice to code a first analysis using alternative approaches. The experiment is a
randomized complete block design, with species as fixed effect and family and block as a random effects, while ... | {"url":"http://www.quantumforest.com/category/bayesian/","timestamp":"2014-04-18T20:49:57Z","content_type":null,"content_length":"179938","record_id":"<urn:uuid:ab36605d-e145-435d-a97e-7b15175da974>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00348-ip-10-147-4-33.ec2.internal.warc.g... |
Solving ordinary differential equations with OpenCL in C++
In this article we show how odeint can be adapted to work with VexCL. odeint is a library for solving ordinary differential equations (ODE) numerically with C++. ODEs are important in many scientific
areas and hence numerous applications for odeint can be found... | {"url":"http://www.codeproject.com/Articles/429183/Solving-ordinary-differential-equations-with-OpenC","timestamp":"2014-04-16T07:45:21Z","content_type":null,"content_length":"93639","record_id":"<urn:uuid:4ef41c04-b3c5-4999-a128-399fcf9ecb1f>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-201404160... |
Thomas Callister Hales is an American mathematician working on the Langlands program. He is known in the area for having worked on the fundamental lemma, and proving a special case of it over the
group Sp(4). Many of his ideas were incorporated into the final proof, due to Ngô Bao Châu. He is also known for his 1998 co... | {"url":"http://www.fields.utoronto.ca/programs/scientific/12-13/Fields-Carleton/index.html","timestamp":"2014-04-19T19:49:37Z","content_type":null,"content_length":"11801","record_id":"<urn:uuid:74174e44-666b-4981-8388-1c30abc55820>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00047... |
Le Monde puzzle [#814]
he #814 Le Monde math puzzle was to find 100 digits (between 1 and 10) such that their sum is equal to their product. Given the ten possible values of those digits, this is equivalent to finding
integers a[1],…,a[10] such that
which reduces the number of unknowns from 100 to 10 (or even 9). Furth... | {"url":"http://xianblog.wordpress.com/2013/04/02/le-monde-puzzle-814/","timestamp":"2014-04-21T05:09:11Z","content_type":null,"content_length":"39166","record_id":"<urn:uuid:8fea0310-1a6e-458a-999a-992f79b9dd5b>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00112-ip-10-147-4-33.ec2.in... |
Accept and Reject Null Hypothesis
The given hypothesis is tested with the help of the sample data. A simple random sample has the full freedom of giving any value to its statistic. The sample is not aware of our plans. We decide
about our hypothesis on the basis of the sample statistic. If the sample does not support t... | {"url":"http://www.emathzone.com/tutorials/basic-statistics/accept-and-reject-null-hypothesis.html","timestamp":"2014-04-19T11:56:20Z","content_type":null,"content_length":"19385","record_id":"<urn:uuid:5748ac00-dc79-4122-98e7-d2ee9635e140>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-2014042303200... |
Wallpaper Symmetry Exploration
From EscherMath
Objective: Learn to recognize the lattice in a wallpaper pattern. Learn to use the flow chart to identify wallpaper symmetry groups.
• Printed copy of the Wallpaper Symmetry Exploration.
1. Mark the lattice of translations on this geometric pattern:
2. For the following ... | {"url":"http://euler.slu.edu/escher/index.php?title=Wallpaper_Symmetry_Exploration&direction=prev&oldid=9281","timestamp":"2014-04-20T03:37:22Z","content_type":null,"content_length":"21997","record_id":"<urn:uuid:3ce7dc95-435c-41bc-99ac-7fec9d55cee4>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20... |
Christian Goldbach
From Exampleproblems
Christian Goldbach (March 18, 1690 - November 20, 1764), was a Prussian mathematician, who was born in Królewiec (Königsberg), in Prussia, as son of a pastor. Goldbach studied law and mathematics. He
traveled widely throughout Europe and met with many famous mathematicians, such ... | {"url":"http://www.exampleproblems.com/wiki/index.php/Christian_Goldbach","timestamp":"2014-04-19T22:29:46Z","content_type":null,"content_length":"20232","record_id":"<urn:uuid:2cec2798-c534-44ae-b00b-29ff12756ba2>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00310-ip-10-147-4-33.ec... |
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• Index
• » Help Me !
• » Laplace Transform of sin^2t
Post ... | {"url":"http://www.mathisfunforum.com/post.php?tid=16166&qid=237181","timestamp":"2014-04-20T08:42:55Z","content_type":null,"content_length":"25246","record_id":"<urn:uuid:5a93bce6-ef9c-4c48-93f7-2b407d6dacdf>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00410-ip-10-147-4-33.ec2.inte... |
MBase: Representing knowledge and context for the integration of mathematical software systems
Results 1 - 10 of 32
- IN PROCEEDINGS AISC'2000 , 2000
"... In this paper we present an extension OMDoc to the Open-Math standard that allows to represent the semantics and structure of various kinds of mathematical documents... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=170262","timestamp":"2014-04-19T18:09:23Z","content_type":null,"content_length":"37672","record_id":"<urn:uuid:d7ff2a49-902d-4a8a-bf69-8594542f2cdc>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00555-ip-10-147-4-33.ec2.internal.war... |
Appendix C
Field Manual 3-34.331 TOPOGRAPHIC SURVEYING 16 January 2001
TOC Chap1 2 3 4 5 6 7 8 9 10 11 AppA AppB AppC AppD Gl Bib
Appendix C
Basic Survey Computations
This appendix contains recommended procedures for performing basic survey computations. Until recently, three different forms were used to compute a two-... | {"url":"http://cryptome.org/cartome/FM3-34/AppendixC.htm","timestamp":"2014-04-19T22:13:02Z","content_type":null,"content_length":"91663","record_id":"<urn:uuid:d992e5d6-8403-4ab4-8b98-4e520bd4b7ed>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00503-ip-10-147-4-33.ec2.internal.warc.... |
Fourier series problem
November 25th 2009, 06:09 PM
Fourier series problem
Please give me a help to find the answer for the following Fourier series question:
Find the steady state oscillation corresponding to
(d^2y)/(dx^2)y + c dy/dx + y = r(t) , where c > 0 and
r(t)=(pi*t)/4 if (-pi)/2<t<(pi/2)
r(... | {"url":"http://mathhelpforum.com/differential-geometry/116769-fourier-series-problem-print.html","timestamp":"2014-04-20T12:03:54Z","content_type":null,"content_length":"3590","record_id":"<urn:uuid:9314ee10-94a6-4bc3-8c98-66f42f018374>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-0... |
Classical Technical Patterns
May 21, 2012
By systematicinvestor
In my presentation about Seasonality Analysis and Pattern Matching at the R/Finance conference, I used examples that I have previously covered in my blog:
• Month of the Year Seasonality – I introduced the Seasonality charts in the Historical Seasonality... | {"url":"http://www.r-bloggers.com/classical-technical-patterns/","timestamp":"2014-04-18T10:53:48Z","content_type":null,"content_length":"47257","record_id":"<urn:uuid:ec043d00-2e84-461e-86a3-214728099cee>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00044-ip-10-147-4-33.ec2.internal... |
XXIX International Symposium on Lattice Field Theory
Plenary Sessions
Determination of alpha_s from lattice QCD
PoS(Lattice 2011)001 pdf
Topological insulators, superconductors and their connections to lattice gauge theory
PoS(Lattice 2011)002
Large-N volume independence, conformality and confinement
PoS(Lattice 2011)0... | {"url":"http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=139","timestamp":"2014-04-24T10:57:19Z","content_type":null,"content_length":"137722","record_id":"<urn:uuid:f9e222cd-39e8-44eb-b4ab-d04bb4043489>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00335-ip-10-147-4-33.ec2.internal... |
Guttenberg, NJ Algebra 1 Tutor
Find a Guttenberg, NJ Algebra 1 Tutor
...So the subject is not only fresh in my memory but one of my favorite subjects! Being in the dental hygiene program at NYU, I have to be a certified nutritional counselor with all my patients
since it's extremely important to oral health. I have... | {"url":"http://www.purplemath.com/Guttenberg_NJ_algebra_1_tutors.php","timestamp":"2014-04-20T08:57:04Z","content_type":null,"content_length":"24254","record_id":"<urn:uuid:3b04d1dd-1f70-4e71-9815-b56568659d6a>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00375-ip-10-147-4-33.ec2.in... |
Positive Solutions for Some Beam Equation Boundary Value Problems
A new fixed point theorem in a cone is applied to obtain the existence of positive solutions of some fourth-order beam equation boundary value problems with dependence on the first-order derivative
1. Introduction
It is well known that beam is one of the... | {"url":"http://www.boundaryvalueproblems.com/content/2009/1/393259","timestamp":"2014-04-19T17:30:37Z","content_type":null,"content_length":"73655","record_id":"<urn:uuid:19a74324-9eb0-445a-b68d-c3d0822d96d7>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00480-ip-10-147-4-33.ec2.inte... |
CGTalk - getting rid of "e" in x,y,z coordinates.
01-31-2004, 05:24 PM
getting rid of "e" in x,y,z coordinates
Wondering if someone could help me out with a Format problem. I'm printing out points to a file, but I don't want the exponential printed out. I've notice this occuring with very small numbers in
Max. For exam... | {"url":"http://forums.cgsociety.org/archive/index.php/t-119689.html","timestamp":"2014-04-20T23:37:23Z","content_type":null,"content_length":"13680","record_id":"<urn:uuid:37d0a157-aa84-4c9c-8177-b0ca5c32774d>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00266-ip-10-147-4-33.ec2.int... |