content stringlengths 86 994k | meta stringlengths 288 619 |
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Manvel, TX ACT Tutor
Find a Manvel, TX ACT Tutor
...Gaines), Narrative of the Life of Frederick Douglass, An American Slave Written by Himself, Lord of the Flies (William Golding), Of Mice and Men (John Steinbeck), A Tale of Two Cities (Charles
Dickens), To Kill a Mockingbird (Harper Lee), The Poisonwood Bible (Bar... | {"url":"http://www.purplemath.com/Manvel_TX_ACT_tutors.php","timestamp":"2014-04-20T06:47:21Z","content_type":null,"content_length":"23729","record_id":"<urn:uuid:55f4f012-d290-45c3-833e-99723b9c254a>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00459-ip-10-147-4-33.ec2.internal.warc... |
Definite Integrals
All of these summations are starting to feel like Rube Goldberg Machines. Granted, Rube Goldberg Machines are awesome, but do we seriously need this many methods to sum up intervals? Trust us, they
are all useful in their own way. Just one big one to go, call it the grand finale.
A trapezoid sum is d... | {"url":"http://www.shmoop.com/definite-integrals/trapezoid-sum.html","timestamp":"2014-04-19T22:13:11Z","content_type":null,"content_length":"27062","record_id":"<urn:uuid:6133e3d7-daf3-4bf3-ac55-67195133cd40>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00100-ip-10-147-4-33.ec2.int... |
{-# LANGUAGE TypeSynonymInstances #-}
A heap is a container supporting the insertion of elements and the extraction of the minimum element.
This library models the implementation of asymptotically optimal purely functional heaps given by Brodal and Okasaki in their paper \"Optimal Purely Functional Priority Queues\".
T... | {"url":"http://hackage.haskell.org/package/meldable-heap-2.0/docs/src/Data-MeldableHeap.html","timestamp":"2014-04-20T11:46:53Z","content_type":null,"content_length":"7988","record_id":"<urn:uuid:093c83b9-b15e-4420-b8d5-9c3f604b8bad>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-0055... |
Efficient MCMC in Python -- Errata and some extra info
my previous post
, some readers pointed out that the pure
version of the code was slower than it should be. I checked and found out that the timing was wrong due to some bug in the
flag in the sage notebook.
Some other interested readers pointed out that using nump... | {"url":"http://pyinsci.blogspot.com/2010/12/efficient-mcmc-in-python-errata-and.html","timestamp":"2014-04-18T10:53:20Z","content_type":null,"content_length":"95318","record_id":"<urn:uuid:df32f010-4a0a-44c1-a734-dde50612bcd2>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00464-ip-10... |
Eigenvalues and eigenfunctions for 4th order ODE
October 27th 2009, 12:54 PM #1
Senior Member
Jan 2009
Eigenvalues and eigenfunctions for 4th order ODE
Consider the ODE X'''' = λ X with boundary conditions X(0)=X'(0)=X(1)=X'(1)=0. Find the eigenvalues and eigenfunctions.
General solution of the ODE is:
... | {"url":"http://mathhelpforum.com/differential-equations/110861-eigenvalues-eigenfunctions-4th-order-ode.html","timestamp":"2014-04-20T21:34:44Z","content_type":null,"content_length":"30528","record_id":"<urn:uuid:d317ca08-7b16-48b9-9115-b6929e8a5256>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20... |
Flywheel-IVT Problem
Couldn't you size the spring any way you wanted and choose a time period such that flywheel 1 slowed from its initial velocity to say 1/2 its initial velocity, and then apply the energy in the spring
to accelerate fw 2?
You'd need some sort of mechanism to allow either end of the spring to be conne... | {"url":"http://www.physicsforums.com/showthread.php?t=460749","timestamp":"2014-04-20T03:27:29Z","content_type":null,"content_length":"79008","record_id":"<urn:uuid:7de8529d-cdf1-4030-b3b6-dc3ee2b7ece0>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00122-ip-10-147-4-33.ec2.internal.w... |
Physics(class) /Math (problem)
Number of results: 350,100
I don't get the first problem of my homework. We learned three lessons today, the increase, decrease, and finding the base number. But i don't know which one I should use. Please help with this
problem: There are 12 girls in Mr. Cooper's class. The girls make up... | {"url":"http://www.jiskha.com/search/index.cgi?query=Physics(class)+%2FMath+(problem)","timestamp":"2014-04-18T19:08:21Z","content_type":null,"content_length":"41146","record_id":"<urn:uuid:411e48c7-c459-459d-be4d-70888c9d5944>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00397-ip-10... |
Mplus Discussion >> Reciprocal relationship and multigroup comparison
Reciprocal relationship and multigrou...
tommy lake posted on Thursday, August 17, 2006 - 10:27 pm
Dear Prof. Muthen,
I am modling a reciprocal connection between two continuous latent variables Y1 and Y2:
Y1 on Y2 x1;
Y2 on Y1 x2;
I got Y1 on Y... | {"url":"http://www.statmodel.com/discussion/messages/11/1576.html?1156100627","timestamp":"2014-04-17T03:50:23Z","content_type":null,"content_length":"20498","record_id":"<urn:uuid:e286f5fb-b6f9-4f46-aecb-2d03cbd7e859>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00176-ip-10-147-4-3... |
Inner Product Involving Integrals
March 6th 2010, 11:56 AM #1
Junior Member
Nov 2009
Pocatello, ID
Inner Product Involving Integrals
Let V denote the vector space of all continuous functions :
f:[0, 1] -> R
Where the 1st and 2nd derivatives exist and are continuous. Suppose further that:
Now let... | {"url":"http://mathhelpforum.com/advanced-algebra/132334-inner-product-involving-integrals.html","timestamp":"2014-04-18T16:55:34Z","content_type":null,"content_length":"42531","record_id":"<urn:uuid:c387169d-74d2-4f86-a5ca-7620fd4008ef>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-... |
[SciPy-dev] FFT docstrings (was: Scipy Tutorial (and updating it))
[SciPy-dev] FFT docstrings (was: Scipy Tutorial (and updating it))
jh@physics.uc... jh@physics.uc...
Fri Dec 12 14:19:05 CST 2008
Tom Grydeland <tom.grydeland@gmail.com> wrote:
> I've gone on to rfft, irfft, fftn and irfftn, and I am struggling a
> bit ... | {"url":"http://mail.scipy.org/pipermail/scipy-dev/2008-December/010578.html","timestamp":"2014-04-17T16:00:18Z","content_type":null,"content_length":"5015","record_id":"<urn:uuid:5fbe0597-ce2b-4ee5-afc7-7b1468390b70>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00585-ip-10-147-4-33.e... |
Three Bridges Math Tutor
Find a Three Bridges Math Tutor
...Learn how solve more difficult algebra problems Learn how the cell works. What are animals? How do Proteins and enzyme function?
20 Subjects: including algebra 1, algebra 2, ACT Math, calculus
...Regards,Joe F.I hold an BA in Economics from Rutgers Uni... | {"url":"http://www.purplemath.com/Three_Bridges_Math_tutors.php","timestamp":"2014-04-18T23:40:29Z","content_type":null,"content_length":"23743","record_id":"<urn:uuid:3db01013-cb8b-4ef3-b87f-048932dc7d63>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00424-ip-10-147-4-33.ec2.internal... |
Thompsons Science Tutor
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...Chemistry - I have the equivalent of a minor in chemistry (37 semester hours), and both a BA and a BS in Chemical Engineering from Rice University. I have done industrial chemical research,
primarily in refining and petrochemicals. I hold three patents for c... | {"url":"http://www.purplemath.com/thompsons_science_tutors.php","timestamp":"2014-04-20T04:25:22Z","content_type":null,"content_length":"23971","record_id":"<urn:uuid:ab50750d-1c54-417b-9bda-04185f404f52>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00058-ip-10-147-4-33.ec2.internal... |
Optics: A step in time saves two
An efficient FDTD simulation can quickly calculate the electric and magnetic field patterns inside a nanocavity laser. Credit: IEEE
A technique that reduces the time to simulate the operation of active optical devices aids the design of nanoscale lasers.
Tiny optical components—the hear... | {"url":"http://phys.org/news/2013-07-optics.html","timestamp":"2014-04-16T11:04:38Z","content_type":null,"content_length":"69147","record_id":"<urn:uuid:32829f2c-d255-4a07-8b6b-636e0db02769>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00140-ip-10-147-4-33.ec2.internal.warc.gz"} |
the encyclopedic entry of coefficient of drag
drag coefficient
) is a
dimensionless quantity
that describes how
an object is. It is used in the
drag equation
, where a lower drag coefficient indicates the object will have less
drag. The
drag coefficient
of any object comprises the effects of the two basic contributors ... | {"url":"http://www.reference.com/browse/coefficient+of+drag","timestamp":"2014-04-21T08:43:02Z","content_type":null,"content_length":"90439","record_id":"<urn:uuid:9a6d9d49-8bde-42df-9e43-159e71a96bbd>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00350-ip-10-147-4-33.ec2.internal.wa... |
Types of Tests of Significance we have studied
• Comparing one sample average/percentage to an "external" standard (a number given to us by the claim we are testing)
□ Example: A sample of cereal boxes contain, on average, 2.95 oz of raisins, while it is claimed (a number given to us) that the average of all bo... | {"url":"http://www.willamette.edu/~mjaneba/courses/ma138-F07/Types%2520of%2520Tests.html","timestamp":"2014-04-19T02:30:13Z","content_type":null,"content_length":"5163","record_id":"<urn:uuid:988d6216-5ca6-4584-90ee-4f2891228dbe>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00380-ip... |
Existence of Positive Solutions for Fourth-Order Boundary Value Problems with Sign-Changing Nonlinear Terms
ISRN Mathematical Analysis
Volume 2013 (2013), Article ID 349624, 7 pages
Research Article
Existence of Positive Solutions for Fourth-Order Boundary Value Problems with Sign-Changing Nonlinear Terms
Department of... | {"url":"http://www.hindawi.com/journals/isrn.mathematical.analysis/2013/349624/","timestamp":"2014-04-16T22:55:59Z","content_type":null,"content_length":"608017","record_id":"<urn:uuid:e3e65580-853d-4413-bd01-2ba74edf44dc>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00210-ip-10-147-... |
Evaluate the definite integral by substitution, using Way 2.
We do the substitution first, remembering that this includes changing the limits of integration. Take
We introduce a factor of 4 to the integrand in order to start the substitution.
We still need to change the limits of integration. When
and when x = π we hav... | {"url":"http://www.shmoop.com/indefinite-integrals/definite-integral-substitution-exercises-11.html","timestamp":"2014-04-20T21:06:43Z","content_type":null,"content_length":"29066","record_id":"<urn:uuid:cf312c1c-6c7b-4af5-8aac-8938e2c5fe20>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005... |
Methods of Computation
§5.21 Methods of Computation
An effective way of computing $\mathop{\Gamma\/}olimits\!\left(z\right)$ in the right half-plane is backward recurrence, beginning with a value generated from the asymptotic expansion (5.11.3). Or we
can use forward recurrence, with an initial value obtained e.g. from... | {"url":"http://gams.cam.nist.gov/5.21","timestamp":"2014-04-16T07:24:03Z","content_type":null,"content_length":"16990","record_id":"<urn:uuid:b6617ea5-d834-47ba-897d-920fbcf5eaac>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00639-ip-10-147-4-33.ec2.internal.warc.gz"} |
Posts by
Posts by T
Total # Posts: 310
really! i didnt know it was that simple.if i do another ine will you check my answer please?
i got 2+10=12 ms sue
mrs sue is one the answer?
is x minus 10x = 9 because i replaced x with one
Im not sure what step to do first....
(10x+2)-(x-10) simplified please! Thank you,please s... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=T&page=2","timestamp":"2014-04-18T00:51:28Z","content_type":null,"content_length":"25799","record_id":"<urn:uuid:8c4d1285-0619-48c1-8883-e5b35248b5a9>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00515-ip-10-147-4-33.ec2.i... |
Keywords: Plane Geometry
Keywords: Plane Geometry (270)
This test prep Pod was created for SAT Subject Test: Mathematics Level ... (more)
This test prep Pod was created for SAT Subject Test: Mathematics Level 2: Chapter 5 - Plane Geometry (Diagnostic Test) (less)
Material Type:
Read the Fine Print
This test prep Pod w... | {"url":"http://www.oercommons.org/browse/keyword/plane-geometry?batch_start=220","timestamp":"2014-04-18T03:20:01Z","content_type":null,"content_length":"90519","record_id":"<urn:uuid:787aaa35-5f2a-448a-b6a0-e1b6264b632a>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00370-ip-10-147-4... |
Head and Hand Tracking
Next: Glove Tracking Up: Visual Inputs and Outputs Previous: Visual Inputs and Outputs
We will begin with a relatively compact perceptual system that will be used for gesture behaviour learning. A tracking system is used to follow head and hand as three objects (head, left and right
hand). T... | {"url":"http://www.cs.columbia.edu/~jebara/htmlpapers/ARL/node21.html","timestamp":"2014-04-20T20:59:08Z","content_type":null,"content_length":"10956","record_id":"<urn:uuid:5995dc04-dc78-47d7-848c-7b442fe5e66b>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00630-ip-10-147-4-33.ec2.i... |
MAT2500 Engineering Mathematics 3
Semester 2, 2013 On-campus Springfield
Units : 1
Faculty or Section : Faculty of Sciences
School or Department : Maths and Computing
Version produced : 17 April 2014
Examiner: Yury Stepanyants
Moderator: John Leis
Pre-requisite: MAT1102 or MAT1502 or Students m... | {"url":"http://www.usq.edu.au/course/specification/2013/MAT2500-S2-2013-ONC-SPRNG.html","timestamp":"2014-04-16T19:04:20Z","content_type":null,"content_length":"28736","record_id":"<urn:uuid:d733ac4a-eef2-42ae-b67f-9c73122104c6>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00052-ip-... |
Simple mathematical problem
First off, what you wrote is NOT an equation. An equation always has an = symbol in it.
The image in the link is [exp(hf/kT) - 1].
What you have written is ambiguous, as what you probably meant is this:
$$e^{\frac{hf}{kT} - 1}$$
What you actually wrote, though, is this:
$$e^{\frac{hf}{k}T - ... | {"url":"http://www.physicsforums.com/showthread.php?s=0d029e43e28ada4db794f4cd171e6d62&p=4661798","timestamp":"2014-04-18T18:28:35Z","content_type":null,"content_length":"37421","record_id":"<urn:uuid:08e98b89-cb58-4d34-b674-cf6c9867fb23>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-... |
[Axiom-developer] opus 1, act 1
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[Axiom-developer] opus 1, act 1
From: root
Subject: [Axiom-developer] opus 1, act 1
Date: Wed, 8... | {"url":"http://lists.gnu.org/archive/html/axiom-developer/2003-10/msg00093.html","timestamp":"2014-04-21T03:06:44Z","content_type":null,"content_length":"12343","record_id":"<urn:uuid:e4d126d2-10cb-4ee2-aad7-fa5aad94911b>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00192-ip-10-147-... |
Fraction Chain Inequality Proof
Prove that $\frac{a}{b+c}+\frac{b}{c+d}+\frac{c}{d+e}+\frac{d} {e+f}+\frac{e}{f+a}+\frac{f}{a+b}\geq 3$ Condition: a, b, c, d, e, f are positive real numbers.
Edit: I'm not sure how awake I was when I typed this. This is to remain here purely to remind me of my own stupidity. Take the fi... | {"url":"http://mathhelpforum.com/algebra/65978-fraction-chain-inequality-proof.html","timestamp":"2014-04-20T13:58:29Z","content_type":null,"content_length":"40663","record_id":"<urn:uuid:78abcb95-27ce-4bf3-800d-f420618792de>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00546-ip-10-... |
4.3 How Wide You Can Really Open the Slit: Anamorphic
Next: 4.4 Differential Refraction
Previous: 4.2 Focusing the Telescope
Most of us are aware that the demagnification of a spectrograph (conversion from mm at the focal plane to mm at the detector) is dependent upon the relative f ratios of the camera and collima... | {"url":"http://www.noao.edu/kpno/manuals/l2mspect/node17.html","timestamp":"2014-04-16T23:48:22Z","content_type":null,"content_length":"5304","record_id":"<urn:uuid:933a9aa1-374c-48ad-a7c6-f1c046636202>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00207-ip-10-147-4-33.ec2.internal.wa... |
ptitude questions with answers for bank exams
Quantitative aptitude questions with answers for bank po and clerical exams
1. If in a village the population decreases by 20%, increases by 10% and increases by 10%, the new population is what percentage of the original population?
a. 96.8
b. 98.8
c. 100
d. none
2. A t... | {"url":"http://aptitude9.com/quantitative-aptitude-questions-answers-bank-exams/","timestamp":"2014-04-20T13:45:44Z","content_type":null,"content_length":"30957","record_id":"<urn:uuid:9b70f551-6f94-4e06-8605-bfc4226018df>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00329-ip-10-147... |
Distance between point and line segment
June 14th, 2002, 02:52 PM #1
Join Date
Nov 2001
In your dreams...
I'm having one of those brain fart days.
Could anyone please help by sending in a nice and simple algorithm for determining the shortest distance between a point (px,py) and a line segment(x1,y1)-... | {"url":"http://forums.codeguru.com/showthread.php?194400-Distance-between-point-and-line-segment","timestamp":"2014-04-17T16:36:47Z","content_type":null,"content_length":"167598","record_id":"<urn:uuid:48dc3fd9-d2e6-4689-afe2-2e5e1eb1e5d1>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210... |
Math Forum Discussions - basic query about probability density function plot
Date: Jun 12, 2012 5:20 PM
Author: kumar vishwajeet
Subject: basic query about probability density function plot
I've a very basic query about the plot of eigenvalue distribution of a random matrix.:
I've a random matrix(NxN) with i.i.d entrie... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=7836372","timestamp":"2014-04-20T16:35:06Z","content_type":null,"content_length":"1976","record_id":"<urn:uuid:9ea710c4-9749-42a2-aafb-dbf1d6a4e081>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00256-ip-10-147-4-33.ec2.interna... |
Degrees of a ten sided figure
June 19th 2012, 10:46 AM #1
May 2012
Degrees of a ten sided figure
Hi the question is:
How many degrees are there between two adjacent sides of a regular ten sided figure- Ans is 144
I am aware the sum of degrees in a ten sided figure will be (n-2)180 so in this case 1440 d... | {"url":"http://mathhelpforum.com/geometry/200193-degrees-ten-sided-figure.html","timestamp":"2014-04-16T06:20:09Z","content_type":null,"content_length":"35119","record_id":"<urn:uuid:3028d3ee-f0bb-4974-8cc3-11fde8b0fe57>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00107-ip-10-147-4... |
CRC Standard Mathematical Tables and Formulas
Up: Geometry Formulas and Facts
CRC Standard Mathematical Tables and Formulas
The 30th Edition of the Standard Mathematical Tables and Formulas, edited by Dan Zwillinger, is a completely rewritten and updated version of CRC's classical reference work. It is a collaborative
... | {"url":"http://www.geom.uiuc.edu/docs/reference/CRC-formulas/handbook.html","timestamp":"2014-04-17T12:30:58Z","content_type":null,"content_length":"1549","record_id":"<urn:uuid:2812a884-172d-485b-b2a2-8b891647e857>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00117-ip-10-147-4-33.e... |
Getting Your Quarks in a Row
Getting Your Quarks in a Row
A tidy lattice is the key to computing with quantum fields
The theories known as QED and QCD are the mismatched siblings of particle physics. QED, or quantum electrodynamics, is the hard-working, conscientious older brother who put himself through night
school ... | {"url":"http://www.americanscientist.org/issues/id.4840,y.0,no.,content.true,page.5,css.print/issue.aspx","timestamp":"2014-04-20T01:29:58Z","content_type":null,"content_length":"123375","record_id":"<urn:uuid:19c6d136-b82c-47e9-ab7c-6a6facd35b36>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-201404... |
The Zero Power of Two
Date: 12/10/98 at 10:51:56
From: David Burns
Subject: Exponents/powers of two
Dear Dr. Math,
In fifth grade we've learned that 2 to the third power = 8, two squared
= 4, 2 to the first power = 2, and 2 to the zero power = 1. Could you
please explain how 2 the zero power = 1 because I'm having trou... | {"url":"http://mathforum.org/library/drmath/view/55892.html","timestamp":"2014-04-20T10:10:05Z","content_type":null,"content_length":"8194","record_id":"<urn:uuid:8ad308cc-51be-4af6-82cb-0e3da6ff70b1>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00366-ip-10-147-4-33.ec2.internal.warc... |
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Evaluate the function f(x) at the given numbers (correct to si... | {"url":"http://openstudy.com/updates/50688ac1e4b0e3061a1d6108","timestamp":"2014-04-18T13:51:11Z","content_type":null,"content_length":"62591","record_id":"<urn:uuid:41b19b09-7ed8-4cff-9ffb-537fd0616ed2>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00190-ip-10-147-4-33.ec2.internal.w... |
Summary: THURSTON'S CONGRUENCE LINK
Klein's quartic curve may be described as the Riemann surface ob-
tained by taking the quotient of H2
by the (principal congruence) sub-
group (7) = ker {PSL2(Z) PSL2(Z/7Z)}, and filling points in the
cusps (punctures) to get a closed surface (although the punctured sur-
face is some... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/960/1241848.html","timestamp":"2014-04-19T19:42:01Z","content_type":null,"content_length":"8276","record_id":"<urn:uuid:7d4b926f-c0fd-4325-ac9b-0231974ea459>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00214-ip-10-147-... |
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Solana Beach Algebra 1 Tutor
...You learn why it is important to be able to complete algebra/math problems. I tutor at the Tutoring Club and also privately tutor students. I have participated in the Financial Literacy
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Algebraic Calculation of the Energy Eigenvalues for the Nondegenerate Three-Dimensional Kepler-Coulomb Potential
SIGMA 7 (2011), 054, 11 pages arXiv:1102.0397 http://dx.doi.org/10.3842/SIGMA.2011.054
Contribution to the Special Issue “Symmetry, Separation, Super-integrability and Special Functions (S^4)”
Algebraic Calc... | {"url":"http://www.emis.de/journals/SIGMA/2011/054/","timestamp":"2014-04-19T12:28:01Z","content_type":null,"content_length":"11653","record_id":"<urn:uuid:6fc8a84b-c6e7-447d-9fbd-e816dd0d0c01>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00598-ip-10-147-4-33.ec2.internal.warc.gz"} |
Relate ADC Topologies And Performance To Applications
Don’t believe the hype. The digital revolution hasn’t conquered everything. We still need analog technologies to gather data and turn it into ones and zeroes, and the analog-to-digital converter
(ADC) remains the foundation of that process. Different topologies (or ... | {"url":"http://electronicdesign.com/analog/relate-adc-topologies-and-performance-applications","timestamp":"2014-04-21T15:50:07Z","content_type":null,"content_length":"125527","record_id":"<urn:uuid:a02f445c-89bf-4679-b87b-d1e123186f67>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-0... |
Finding the equation of a curve
March 11th 2011, 09:26 PM #1
Jun 2009
Finding the equation of a curve
So I am studying for a maths exam I have tomorrow and came to a question I couldn't figure out.
At any point (x,y) on a curve d^2 y/dx^2 = 12x + 2
Find the Equation of the curve if it passes through (1,... | {"url":"http://mathhelpforum.com/calculus/174308-finding-equation-curve.html","timestamp":"2014-04-17T16:50:57Z","content_type":null,"content_length":"35295","record_id":"<urn:uuid:22c09664-13e1-4f1f-a0c5-ff73e59b46a2>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00199-ip-10-147-4-33... |
RE: st: comparing coefficients across models
Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and
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Calculating no. of polyhexagon
I want to calculate number of polyhexagon that can be drawn in a given area (lenght X breadth). Let suppose the side of each hexagon be 'd'.
Case 1: If length, l = 100 cm & breadth, b = 500 cm.
and side of each hexagon, d = 5 cm. Then what will be the maximum number of polyhexagon, n, tha... | {"url":"http://www.physicsforums.com/showthread.php?t=284999","timestamp":"2014-04-19T22:50:04Z","content_type":null,"content_length":"19507","record_id":"<urn:uuid:c6eb570a-3d69-46d0-a849-6af4dfdbd266>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00055-ip-10-147-4-33.ec2.internal.w... |
IntroductionMedical Image Feature SurveyFeature DomainsMethodologyFeature classificationPath analysisRelations among features and outputsHypothesis testingProposed AlgorithmExperiment and ResultsExperimentVerificationAnalysis of resultsConclusionsReferencesFigures and Tables
Sensors Sensors 1424-8220 Molecular Diversit... | {"url":"http://www.mdpi.com/1424-8220/8/8/4758/xml","timestamp":"2014-04-19T12:04:35Z","content_type":null,"content_length":"102000","record_id":"<urn:uuid:fb724722-729b-483a-8800-158f6fc460b5>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00039-ip-10-147-4-33.ec2.internal.warc.gz"} |
Safe Haskell Safe-Inferred
last' :: a -> [a] -> aSource
variation on last which returns empty value instead of
consecutiveBy :: (a -> a -> Bool) -> [a] -> [[a]]Source
The consecutiveBy function groups like groupBy, but based on a function which says whether 2 elements are consecutive
mapLookup2' :: (Ord k1, Ord k2) =>... | {"url":"http://hackage.haskell.org/package/uhc-util-0.1.0.1/docs/UHC-Util-Utils.html","timestamp":"2014-04-18T03:20:20Z","content_type":null,"content_length":"26340","record_id":"<urn:uuid:fee1e251-19b8-4638-82a8-12debb51f852>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00648-ip-10... |
Mathematician of the week: Jules Lissajous
Jules Lissajous was born March 4, 1822. His doctoral studies were on vibrations of bars “using Chladni’s sand pattern method to determine nodal positions”. This method of viewing vibration
patterns entails covering the object with flour or sand, and inducing vibrations, oft... | {"url":"https://threesixty360.wordpress.com/2008/06/22/mathematician-of-the-week-jules-lissajous/","timestamp":"2014-04-18T15:40:04Z","content_type":null,"content_length":"50762","record_id":"<urn:uuid:2ef64630-bc33-4e9d-9aff-ec80559e6d4d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-2014042303200... |
Multi-level direct k-way hypergraph partitioning with multiple constraints and fixed vertices
Results 1 - 10 of 15
- SIAM J. Sci. Comput , 2010
"... Abstract. We consider two-dimensional partitioning of general sparse matrices for parallel sparse matrix-vector multiply operation. We present three hypergraph-partitionin... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=7628862","timestamp":"2014-04-17T06:18:10Z","content_type":null,"content_length":"41323","record_id":"<urn:uuid:a425b312-982d-4c9b-b595-3f85ac261288>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00400-ip-10-147-4-33.ec2.internal.wa... |
proof of third isomorphism theorem
proof of third isomorphism theorem
Let $G$ be a group, and let $K\subseteq H$ be normal subgroups of $G$. Define $p,q$ to be the natural homomorphisms from $G$ to $G/H$, $G/K$ respectively:
$p(g)=gH,q(g)=gK\;\forall\;g\in G.$
$K$ is a subset of $\ker(p)$, so there exists a unique hom... | {"url":"http://planetmath.org/proofofthirdisomorphismtheorem","timestamp":"2014-04-21T12:13:03Z","content_type":null,"content_length":"51690","record_id":"<urn:uuid:c37aff29-59ea-432f-a8ed-d58d8ebcd7f6>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00112-ip-10-147-4-33.ec2.internal.w... |
Post a reply
The above problem came up in the now famous gAr series thread. Generally I stay away from that thread. It is for the members to work on and enjoy without me butting in.
I was asked for some help on this one and because this one has many interesting points I agreed. Of course before I attempt to answer I mu... | {"url":"http://www.mathisfunforum.com/post.php?tid=17664&qid=212924","timestamp":"2014-04-18T21:33:03Z","content_type":null,"content_length":"23715","record_id":"<urn:uuid:36935174-930a-4bbe-821d-b22f9b1e88ec>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00428-ip-10-147-4-33.ec2.inte... |
Perturbation Theory (Non-Degenerate)
[itex]H= H_{0} + H_{p} [/itex]
So basically, you have an aditional term, [itex]H_{p} = \frac{1}{2L^{2}}mω^2 x^4 [/itex], that perturbates your hamiltonian.
You already know the solution for the harmonic oscillator, [itex]H= H_{0} = \hbarω(n + \frac{1}{2}) [/itex], so you just have t... | {"url":"http://www.physicsforums.com/showthread.php?p=4170355","timestamp":"2014-04-20T16:05:31Z","content_type":null,"content_length":"36333","record_id":"<urn:uuid:d6280d5f-8498-4698-b4e3-7014a3a4fb52>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00429-ip-10-147-4-33.ec2.internal.... |
Grafton, MA Algebra Tutor
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Patent application title: MAXIMUM ENTROPY MODEL PARAMETERIZATION
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Described is a technology by which a maximum entropy model used for classification is trained with a significantly lesser amount of training data than... | {"url":"http://www.faqs.org/patents/app/20090150308","timestamp":"2014-04-19T23:27:05Z","content_type":null,"content_length":"72168","record_id":"<urn:uuid:87af1251-1c4b-4e76-97e7-b3c055997094>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00418-ip-10-147-4-33.ec2.internal.warc.gz"} |
Intermediate Algebra: Rational Expressions and Rational Functions
Intermediate Algebra: Rational Expressions and Rational Functions
I have posted a video on rational expressions and rational functions.
This video begins with examples of rational expressions. I also discuss the valid values of a rational express; the ... | {"url":"http://blog.videomathprof.com/?p=42","timestamp":"2014-04-20T10:46:22Z","content_type":null,"content_length":"68034","record_id":"<urn:uuid:78f83957-7f23-4d8b-86ab-be43523628ec>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00183-ip-10-147-4-33.ec2.internal.warc.gz"} |
proof of third isomorphism theorem
proof of third isomorphism theorem
Let $G$ be a group, and let $K\subseteq H$ be normal subgroups of $G$. Define $p,q$ to be the natural homomorphisms from $G$ to $G/H$, $G/K$ respectively:
$p(g)=gH,q(g)=gK\;\forall\;g\in G.$
$K$ is a subset of $\ker(p)$, so there exists a unique hom... | {"url":"http://planetmath.org/proofofthirdisomorphismtheorem","timestamp":"2014-04-21T12:13:03Z","content_type":null,"content_length":"51690","record_id":"<urn:uuid:c37aff29-59ea-432f-a8ed-d58d8ebcd7f6>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00112-ip-10-147-4-33.ec2.internal.w... |
Butler, WI Math Tutor
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Linear connectivity forces large complete bipartite minors
Results 1 - 10 of 19
- In 46th Annual IEEE Symposium on Foundations of Computer Science , 2005
"... At the core of the seminal Graph Minor Theory of Robertson and Seymour is a powerful structural theorem capturing the structure of graphs excluding a fixed minor... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=639543","timestamp":"2014-04-17T16:19:08Z","content_type":null,"content_length":"34807","record_id":"<urn:uuid:d7251e52-c7af-4143-8704-1c63242cf20d>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00223-ip-10-147-4-33.ec2.internal.warc... |
Shiro Math Tutor
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...As well as developed the TAKS Intervention program that was created for at-risk population. I am also a certified Principal in the State of Texas and has worked as a Case Manager, Dept Chair
as well as Team Leader.I specialize in increasing skill sets with students who st... | {"url":"http://www.purplemath.com/Shiro_Math_tutors.php","timestamp":"2014-04-16T19:00:46Z","content_type":null,"content_length":"23636","record_id":"<urn:uuid:ca903d65-5fd6-42d1-a269-7fbabb322972>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00600-ip-10-147-4-33.ec2.internal.warc.g... |
Get homework help at HomeworkMarket.com
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on Thu, 2013-09-12 03:05
due on Mon, 2013-09-16 03:04
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Hand shake with
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QAT1 Task 5
SUBDOMAIN 309.3 - QUANTITATIVE ANALYSIS
Competency 309.3.3: Expected Value Decision Analysis - The graduate ... | {"url":"http://www.homeworkmarket.com/content/qat1-task-5-0","timestamp":"2014-04-17T13:18:55Z","content_type":null,"content_length":"71660","record_id":"<urn:uuid:649a806c-4a80-443b-844b-69911dad5893>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00506-ip-10-147-4-33.ec2.internal.wa... |
Integrating factor on Exact, Homogeneous DE
September 12th 2011, 03:26 PM #1
Junior Member
Aug 2010
Integrating factor on Exact, Homogeneous DE
Problem: $y*(1+x)+2xy'=0$
I have rearranged the equation to put it in exact form, resulting in the equation:
After that I found my $\frac{\partial M}{\partial y... | {"url":"http://mathhelpforum.com/differential-equations/187862-integrating-factor-exact-homogeneous-de.html","timestamp":"2014-04-18T11:25:04Z","content_type":null,"content_length":"43703","record_id":"<urn:uuid:1c60fbab-d776-413a-84c9-2be149410fbf>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-201... |
Berwyn, IL Calculus Tutor
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My tutoring experience ranges from grade school to college levels, up to and including Calculus II and College Physics. I've tutored at Penn State's Learning Center as well as students at home.
My passion for education comes through in my teaching methods, ... | {"url":"http://www.purplemath.com/berwyn_il_calculus_tutors.php","timestamp":"2014-04-18T08:52:11Z","content_type":null,"content_length":"24018","record_id":"<urn:uuid:4b5ff736-cf82-4213-93c4-ca42a72efb0e>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00498-ip-10-147-4-33.ec2.interna... |
Calculate angles using the arcsin, Arccos, arctan in excel 2007
Arcsin function is a trigonometric function that is used to calculate the inverse sinevalue, while the arccos are inverse cosine function, and atan is the inverse tangent function.
This function is an inverse function of sin, cos, tan. In general, writing ... | {"url":"http://mycomputerdummies.blogspot.com/2011/07/calculate-angles-using-arcsin-arccos.html","timestamp":"2014-04-16T18:57:31Z","content_type":null,"content_length":"104866","record_id":"<urn:uuid:14efdae1-71e0-4ebb-bebc-07340733a9b5>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-... |
Paul V. Sherlock Center on Disabilities
Text only site
We are proud to say that all of our pages are ADA/Bobby & W3C Approved..
Unit #12: Universally Designed Algebra
Curriculum Unit 948 Kb (PDF) | UDL Checklist | Video Clips | UDL home
Content Area: Mathematics
Grade Level: Seventh Grade - Middle School
School: Alan S... | {"url":"http://www.ric.edu/sherlockcenter/textonly/unit12.html","timestamp":"2014-04-16T18:57:46Z","content_type":null,"content_length":"7834","record_id":"<urn:uuid:42c4842a-46c7-46b6-987c-2f58165a15cb>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00424-ip-10-147-4-33.ec2.internal.w... |
Brazilian Journal of Physics
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Braz. J. Phys. vol.35 no.3a São Paulo Sept. 2005
Ensemble formalism for nonequilibrium systems and an associated irreversible statical thermodynamics
Áurea R. Vasconcellos; J. Galvão Ramos; Roberto Luzzi
Instituto de Física 'Gleb... | {"url":"http://www.scielo.br/scielo.php?pid=S0103-97332005000400017&script=sci_arttext","timestamp":"2014-04-20T07:34:16Z","content_type":null,"content_length":"283850","record_id":"<urn:uuid:4385596b-9b36-4182-9c89-4d670085f904>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00387-ip... |
geometry problems
1. Point Q is the image of point P under a dilation with center O and scale factor 4. If PQ = 18, then what is OP?
2.We cut a regular pentagon out of a piece of cardboard, and then place the pentagon back in the cardboard.
How many different ways can we place the pentagon back in the cardboard, if we ... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=281020","timestamp":"2014-04-17T10:33:12Z","content_type":null,"content_length":"22486","record_id":"<urn:uuid:539ab2ea-db07-4286-9e2f-568d421e0e3d>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00040-ip-10-147-4-33.ec2.internal... |
Posts by
Total # Posts: 11
physics - what i think
1. E 2. A 3. C 4. don't know 5. don't know 6. C 7. don't know 8. don't know 9. don't know #2 is not A
physics # 9
9. A block attached to a spring of negligible mass undergoes simple harmonic motion on a frictionless horizontal surface. The potential energy of the syste... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=gomez","timestamp":"2014-04-16T19:39:07Z","content_type":null,"content_length":"9355","record_id":"<urn:uuid:78cc6f1c-dad9-4ce0-b85f-24140013a3b4>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00469-ip-10-147-4-33.ec2.inter... |
What is $Aut(Ell)$?
up vote 19 down vote favorite
Consider the stack $Ell$ (of groupoids) of elliptic curves. I'm interested in the autoequivalence 2-group of $Ell$, the objects of which consists of transformations $Ell \Rightarrow Ell: Ring \to
Gpd$ valued in equivalences of groupoids. The arrows are isomorphisms of s... | {"url":"http://mathoverflow.net/questions/135089/what-is-autell","timestamp":"2014-04-18T14:40:50Z","content_type":null,"content_length":"64981","record_id":"<urn:uuid:861ff18d-9544-4c7c-9143-fdf7a0df0eb1>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00385-ip-10-147-4-33.ec2.interna... |
A non-parametric meta-analysis approach for combining independent microarray datasets: application using two microarray datasets pertaining to chronic allograft nephropathy
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BMC Genomics. 2008; 9: ... | {"url":"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2276496/?tool=pubmed","timestamp":"2014-04-18T19:11:19Z","content_type":null,"content_length":"136658","record_id":"<urn:uuid:a0e21b5c-67e8-4af1-85e4-311f921c19a1>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00562-ip-10-147-4-33.ec... |
[SciPy-User] Dot product of a matrix and an array
Jaakko Luttinen jaakko.luttinen@iki...
Fri Feb 17 05:04:00 CST 2012
The dot product of a matrix and an array seems to return a matrix.
However, this resulting matrix seems to have inconsistent shape. For
simplicity, let I be an identity matrix (matrix object) and x a ve... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2012-February/031529.html","timestamp":"2014-04-21T08:36:18Z","content_type":null,"content_length":"3816","record_id":"<urn:uuid:f12ec5b9-0646-4579-9cd4-d0846afaebd8>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00244-ip-10-147-4-33... |
'Inspired 3D Character Setup': Basic Building Blocks of Effective Character Creation
Michael Ford and Alan Lehman take us through the step-by-step process of planning the setup of a 3D character. While these steps may sound time consuming the authors assure us it will pay off in the
end! The second of several excerpts ... | {"url":"http://www.awn.com/vfxworld/inspired-3d-character-setup-basic-building-blocks-effective-character-creation","timestamp":"2014-04-16T16:46:07Z","content_type":null,"content_length":"86866","record_id":"<urn:uuid:ac50ed12-0d22-4cc2-9404-bddf5c9751a2>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MA... |
BNA - Australian Cycling Forums
artemidorus wrote:
toolonglegs wrote:Mine will get play during a ride.Even if (and I have) pulled the axle out and loctited it it still comes loose.
You mean you loctite the preload cap thread and it still loosens? How tight do you have your skewers? They are supposed t... | {"url":"http://www.bicycles.net.au/forums/viewtopic.php?f=34&t=3703&start=50","timestamp":"2014-04-20T10:57:45Z","content_type":null,"content_length":"83851","record_id":"<urn:uuid:4acb0182-7d4c-4321-b317-8e97d4a526b9>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00214-ip-10-147-4-3... |
Can anybody share a smart mathematical trick? - Rediff Questions & Answers
Can anybody share a smart mathematical trick?
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Answers (12)
Souvick mukherjee
1.Write down numbers from 1 to 100
2.assign a different symbol to each one of them noting u assign the same symbol for all numbers which r ... | {"url":"http://qna.rediff.com/questions-and-answers/when-will-ferdinandneville-and-vidick-for-man-utd-return-fro/14734250/answers/634034","timestamp":"2014-04-23T08:22:46Z","content_type":null,"content_length":"87806","record_id":"<urn:uuid:c0cbe46f-04d0-42b4-b618-4d269f881974>","cc-path":"CC-MAIN-2014-15/segments/1398... |
Information technology - Programming languages - Prolog - Part 1:
General Core
Remark: This is only the draft of technical corrigendum 2! The actual technical corrigendum 2 is available free of charge from ISO/IEC as
ISO/IEC 13211-1:1995/Cor.2:2012.
This document is prepared in fulfillment of WG 17 resolutions ... | {"url":"http://www.complang.tuwien.ac.at/ulrich/iso-prolog/dtc2","timestamp":"2014-04-16T10:27:40Z","content_type":null,"content_length":"57197","record_id":"<urn:uuid:4fded76d-e0f6-48ab-ba79-c7386a129086>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00324-ip-10-147-4-33.ec2.interna... |
GMAT Sample Problem: Average Rate
What should you do when you see a GMAT problem asking you for the average rate over an entire journey? Try your hand at this problem and let’s see.
A canoeist paddled upstream at 10 meters per minute, turned around, and drifted downstream at 15 meters per minute. If the distance ... | {"url":"http://www.beatthegmat.com/mba/2011/04/27/gmat-sample-problem-average-rate","timestamp":"2014-04-21T07:07:40Z","content_type":null,"content_length":"61356","record_id":"<urn:uuid:f5f6553d-2b22-492e-a1cd-833f532ee8f0>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00370-ip-10-1... |
Peterstown, NJ Prealgebra Tutor
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Adelphi, MD Trigonometry Tutor
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...I have 5 years of MATLAB experience. I often used it during college and graduate school. I have experience using it for simpler math problems, as well as using it to run more complicated
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On quartic half-arc-transitive metacirculants
Dragan Marušič and Primož Šparl
J. algebr. comb. Volume 28, Number 3, , 2008. ISSN 0925-9899
Following Alspach and Parsons, a metacirculant graph is a graph admitting a transitive group generated by two automorphisms ρ and σ, where ρ is (m,n)-semiregular for some integers m... | {"url":"http://eprints.pascal-network.org/archive/00008218/","timestamp":"2014-04-19T19:39:43Z","content_type":null,"content_length":"6591","record_id":"<urn:uuid:c470dfe6-fb16-4884-a4d9-5119393b6e69>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00033-ip-10-147-4-33.ec2.internal.war... |
American Mathematical Society
Bulletin Notices
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:10:14
Program | Deadlines | Registration/Housing/Etc. | Inquiries: meet@ams.org
2000 Fall Southeastern Section Meeting
Birmingham, A... | {"url":"http://ams.org/meetings/sectional/2063_program_saturday.html","timestamp":"2014-04-20T06:12:48Z","content_type":null,"content_length":"86550","record_id":"<urn:uuid:c05e2519-74b4-495b-a5d8-75508d09fb7c>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00524-ip-10-147-4-33.ec2.in... |
Mathematicians calculate that there are 177,147 ways to knot a tie
Different examples of tie knots. Left, a 4-in-hand; middle, a double windsor; right a trinity. The 4-in-hand and double windsor share the flat fac¸ade but have different bodies producing different
shapes. The trinity has a completely different fac¸ade, p... | {"url":"http://phys.org/news/2014-02-mathematicians-ways.html","timestamp":"2014-04-18T01:51:59Z","content_type":null,"content_length":"77378","record_id":"<urn:uuid:73ba664c-52fd-41d3-b6f3-28474f986850>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00415-ip-10-147-4-33.ec2.internal.... |
Math Library News
You can browse these titles online until the end of July: http://catalog.wustl.edu/search/r?math+new+books+jun The catalog records often include additional details such as online access, tables of
contents, additional authors and subject descriptors.
Browse new books as they are received during July a... | {"url":"http://wulibraries.typepad.com/mathnews/2008/06/index.html","timestamp":"2014-04-18T08:02:16Z","content_type":null,"content_length":"53288","record_id":"<urn:uuid:b9168760-1e2b-4c3c-9d39-4a2f3645dbf4>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00084-ip-10-147-4-33.ec2.inte... |
what can we say about center of rational absolute galois group?
up vote 8 down vote favorite
well the question is in the title. I asked myself this question while thinking about something in grothendieck-teichmüller theory. I guess class field theory gives some insight into this, or i am
missing something absolutely ob... | {"url":"http://mathoverflow.net/questions/23711/what-can-we-say-about-center-of-rational-absolute-galois-group/23733","timestamp":"2014-04-16T22:28:57Z","content_type":null,"content_length":"54386","record_id":"<urn:uuid:6b0de930-309d-4fac-ab05-dbd272088c33>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-... |
Erie, CO Prealgebra Tutor
Find an Erie, CO Prealgebra Tutor
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Chapter 4. Mathematical Terms
54 MATHEMATICAL TERMS CHAPTER 4 4.2 RADIANCE To account for this effect of the apparent area decreasing with view direction, the key quantity radiance in a particular direction is defined as the
radiant flux per unit solid angle and unit area projected in the direction . The radiance L is ... | {"url":"http://my.safaribooksonline.com/book/-/9780122211812/chapter-4dot-mathematical-terms/42_radiance","timestamp":"2014-04-21T12:34:16Z","content_type":null,"content_length":"52704","record_id":"<urn:uuid:9dc05af7-f636-4f20-bc87-4f0b38a3024d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-201404... |
Units of Amplitude
Next: Controlling Amplitude Up: Sinusoids, amplitude and frequency Previous: Measures of Amplitude Contents Index
Two amplitudes are often best compared using their ratio rather than their difference. For example, saying that one signal's amplitude is greater than another's by a factor of two i... | {"url":"http://msp.ucsd.edu/techniques/v0.08/book-html/node6.html","timestamp":"2014-04-21T12:09:31Z","content_type":null,"content_length":"8713","record_id":"<urn:uuid:024928dc-0ab0-4d32-b6b8-b7991652c54f>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00329-ip-10-147-4-33.ec2.interna... |
Video Library
Since 2002 Perimeter Institute has been recording seminars, conference talks, and public outreach events using video cameras installed in our lecture theatres. Perimeter now has 7 formal presentation
spaces for its many scientific conferences, seminars, workshops and educational outreach activities, all w... | {"url":"https://www.perimeterinstitute.ca/video-library?title=&page=571","timestamp":"2014-04-17T16:10:57Z","content_type":null,"content_length":"65966","record_id":"<urn:uuid:d265a96f-1438-4088-9df2-31ac237d6009>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00098-ip-10-147-4-33.ec2.... |
Determine if the following is a vector space
February 26th 2010, 11:29 PM #1
Junior Member
Feb 2010
Determine if the following is a vector space
Hello everyone. I'm new here. I have a practice test that I'm working on for my linear algebra class and I sorta get the gist of determining whether or not something i... | {"url":"http://mathhelpforum.com/advanced-algebra/130965-determine-if-following-vector-space.html","timestamp":"2014-04-19T18:25:04Z","content_type":null,"content_length":"46250","record_id":"<urn:uuid:5bc496cd-06ec-4c3c-93f3-2aa5ba22c3dc>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-2014042303200... |
A lot of people (myself included) got very excited by the fact that perturbative $N=4$ super Yang-Mills amplitudes seemed to take a very simple form when written in (super)-Twistor space and that,
moreover, the tree-level amplitudes can be recovered very elegantly from a topological string theory with target space the ... | {"url":"http://golem.ph.utexas.edu/~distler/blog/archives/000439.html","timestamp":"2014-04-16T07:56:39Z","content_type":null,"content_length":"18737","record_id":"<urn:uuid:19025e5c-9fc1-4523-a33e-bd5808cee60f>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00100-ip-10-147-4-33.ec2.i... |
Carnot's Theorem
Posted by: Dave Richeson | June 22, 2009
Carnot’s Theorem
Here’s a neat theorem from geometry.
Begin with any triangle. Let R be the radius of its circumscribed circle and r be the radius of its inscribed circle. Let a, b, and c be the signed distances from the center of the circumscribed
circle to the... | {"url":"http://divisbyzero.com/2009/06/22/carnots-theorem/","timestamp":"2014-04-16T04:12:44Z","content_type":null,"content_length":"64728","record_id":"<urn:uuid:b7078cf6-64df-4b81-a921-92287b8a6854>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00175-ip-10-147-4-33.ec2.internal.war... |
Apollo Flight Journal
The Apollo Flight Journal
Lunar Orbit Insertion
Frank O'Brien
© 1999 Frank O'Brien. All rights reserved.
Lunar Orbit Insertion, on the surface, appears to be a standard orbital mechanics problem, solvable using straightforward, albeit sophisticated tools to calculate a solution. In reality, the me... | {"url":"http://www.hq.nasa.gov/office/pao/History/afj/loiessay.htm","timestamp":"2014-04-19T07:09:26Z","content_type":null,"content_length":"8642","record_id":"<urn:uuid:9f0f2e61-501a-4b20-acc4-ad9b18576a9a>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00202-ip-10-147-4-33.ec2.inter... |
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Prove that for any integer n, at least one of the integers n, ... | {"url":"http://openstudy.com/updates/5085c9e0e4b0b7c30c8e3255","timestamp":"2014-04-17T09:46:46Z","content_type":null,"content_length":"40176","record_id":"<urn:uuid:0ff533df-6b73-4d08-9d17-168da01b2894>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00293-ip-10-147-4-33.ec2.internal.... |
Data types
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Numpy supports a much greater variety of numerical types than Python does. This section shows which are available, and how to modify an array’s data-type.
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Math instinct
January 12th 2010, 08:02 AM
Math instinct
MS = Magic Square(s)
As I keep doing math, my math instincts have improved.
Under math challenge problems I've posted a problem with the title, "An Amazing Discovery" regarding MS being dot multiplied by natural numbers that yield a result that's the s... | {"url":"http://mathhelpforum.com/math-puzzles/123422-math-instinct-print.html","timestamp":"2014-04-20T19:16:20Z","content_type":null,"content_length":"4443","record_id":"<urn:uuid:22550946-4d00-4749-b0a9-82d7d514bf46>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00097-ip-10-147-4-3... |
Berthoud Geometry Tutor
Find a Berthoud Geometry Tutor
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The BASICS Intervention Mathematics Program for at-risk students.
The "BASICS" or "Building Accuracy and Speed In Core Skills" Mathematics Intervention Program has been designed to enabl... | {"url":"http://www.thefreelibrary.com/The+BASICS+Intervention+Mathematics+Program+for+at-risk+students-a0206688384","timestamp":"2014-04-18T16:19:27Z","content_type":null,"content_length":"39192","record_id":"<urn:uuid:3976a048-4542-4efb-8b04-398052eb3a06>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-M... |
Preconditioned Conjugate Gradient Algorithms for Homotopy CurveTracking
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Proposition 7
If two straight lines are parallel and points are taken at random on each of them, then the straight line joining the points is in the same plane with the parallel straight lines.
Let AB and CD be two parallel straight lines, and let points E and F be taken at random on them respectively.
I say that the s... | {"url":"http://aleph0.clarku.edu/~djoyce/java/elements/bookXI/propXI7.html","timestamp":"2014-04-20T20:55:53Z","content_type":null,"content_length":"3771","record_id":"<urn:uuid:a8b1bc6e-77a9-4f73-b5ae-bf883682eb91>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00397-ip-10-147-4-33.e... |
Summary: PHYS 597A, CMPSC 497E: Graphs and networks in sys-
tems biology
Homework assignment 6, due Tuesday Oct 13
Read chapter VII, Scale-free Networks, sections A-D.3 (pages 71-75) and
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83) of "Statistical mechanics of complex networks". Note that ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/180/1742540.html","timestamp":"2014-04-17T09:59:39Z","content_type":null,"content_length":"8266","record_id":"<urn:uuid:c1607a26-88f2-4dc3-a07b-42f5ca517cc0>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00577-ip-10-147-... |
Clear Language, Clear Mind
The much mentioned the modal fallacy is not a fallacy (that is, is a valid inference rule) if one accepts an exotic view about modalities and necessities that is logically implied by a particular
understanding of infallible knowledge and a knower.
Infallible knowledge
Some people seem to thin... | {"url":"http://emilkirkegaard.dk/en/?m=200911","timestamp":"2014-04-18T08:21:18Z","content_type":null,"content_length":"78764","record_id":"<urn:uuid:0e998efe-ecf1-4b4b-9779-3bdc7ab53eb2>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00337-ip-10-147-4-33.ec2.internal.warc.gz"} |
Polarity of Induced EMF in a Conducting Ring
An emf, by definition, has no current. It's based on Faradays Law, which is one of the fundamental Maxwell equations of electromagnetism. Using Heaviside-Lorentz units it reads
[tex]\vec{\nabla} \times \vec{E}=-\frac{1}{c} \frac{\partial \vec{B}}{\partial t}.[/tex]
This Law ... | {"url":"http://www.physicsforums.com/showthread.php?p=3816813","timestamp":"2014-04-18T15:52:27Z","content_type":null,"content_length":"67033","record_id":"<urn:uuid:ee12419a-8d00-49ee-89b7-25d2f31c6262>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00232-ip-10-147-4-33.ec2.internal.... |
Go to the first, previous, next, last section, table of contents.
Maxima has many trigonometric functions defined. Not all trigonometric identities are programmed, but it is possible for the user to add many of them using the pattern matching capabilities of the
system. The trigonometric functions defined in Maxima are... | {"url":"http://eagle.cs.kent.edu/MAXIMA/maxima_15.html","timestamp":"2014-04-16T07:14:52Z","content_type":null,"content_length":"14529","record_id":"<urn:uuid:de447ce1-4359-49c9-967e-8d4316221979>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00233-ip-10-147-4-33.ec2.internal.warc.gz"... |
Finite-Time Stability and Stabilization of Itô-Type Stochastic Singular Systems
Abstract and Applied Analysis
Volume 2014 (2014), Article ID 263045, 10 pages
Research Article
Finite-Time Stability and Stabilization of Itô-Type Stochastic Singular Systems
^1School of Electrical Engineering and Automation, Qilu Universit... | {"url":"http://www.hindawi.com/journals/aaa/2014/263045/","timestamp":"2014-04-16T16:51:41Z","content_type":null,"content_length":"630188","record_id":"<urn:uuid:43ca4e29-d939-49e0-9278-32093df35aa1>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00056-ip-10-147-4-33.ec2.internal.warc... |
Posts by
Posts by lane
Total # Posts: 35
Suppose that a particle moves along a line so that its velocity v at time t is given by this piecewise function: v(t)=5t if 0≤t<1 v(t)=6((t)^(1/2))-(1/t) if 1≤t where t is in seconds and v is in
centimeters per second (cm/s). Estimate the time(s) at which the pa...
Why does Sha... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=lane","timestamp":"2014-04-20T06:44:33Z","content_type":null,"content_length":"13203","record_id":"<urn:uuid:af2845ce-3fb2-4400-bd64-9d39a08f36aa>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00257-ip-10-147-4-33.ec2.inter... |