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A time domain approach for avoiding crosstalk in optical blocking multistage interconnection networks
- IEEE Communications Magazine , 1999
"... Optical interconnections for communication networks and multiprocessor systems have been studied extensively. A basic element of optical switching networks is a directional co... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1718143","timestamp":"2014-04-17T14:39:27Z","content_type":null,"content_length":"35227","record_id":"<urn:uuid:cbd5cb41-3c1e-4e11-8980-c68602bbf818>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00260-ip-10-147-4-33.ec2.internal.wa... |
Primality criteria for specific class of Wagstaff numbers ?
up vote 2 down vote favorite
I asked this question on mathstackexchange but didn't get any answer .
Definition :
Let $W_p$ be a Wagstaff number of the form :
$W_p=\frac{2^p+1}{3}$ , with $p\equiv 1 \pmod 4$
Next , define sequence $S_i$ as :
$S_i =8... | {"url":"http://mathoverflow.net/questions/91350/primality-criteria-for-specific-class-of-wagstaff-numbers?answertab=oldest","timestamp":"2014-04-20T09:03:56Z","content_type":null,"content_length":"50437","record_id":"<urn:uuid:164fd0d4-8732-4b1b-8628-369b6d607fbb>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/wa... |
all 13 comments
[–]dmazzoni5 points6 points7 points ago
sorry, this has been archived and can no longer be voted on
You will have a few C.S. courses that require writing proofs of theorems, similar to proofs you might have done in high school geometry. You might do a bit of algebra or trigonometry in any of your
classe... | {"url":"http://www.reddit.com/r/AskComputerScience/comments/15cs9o/studying_cs_at_undergraduate_level/","timestamp":"2014-04-16T22:48:15Z","content_type":null,"content_length":"82425","record_id":"<urn:uuid:3413ba2b-d512-4834-889a-445649b630b0>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-201404160... |
Mathematical proof reveals magic of Ramanujan's genius
PROOFS are the currency of mathematics, but Srinivasa Ramanujan, one of the all-time great mathematicians, often managed to skip them. Now a proof has been found for a connection that he seemed to
mysteriously intuit between two types of mathematical function.
The ... | {"url":"http://www.newscientist.com/article/mg21628904.200","timestamp":"2014-04-19T09:44:16Z","content_type":null,"content_length":"51504","record_id":"<urn:uuid:eccc884c-b772-4ab7-bb2b-2d3888e0c466>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00187-ip-10-147-4-33.ec2.internal.war... |
-Laplacian Equation with Sign-Changing Weight Functions
ISRN Mathematical Analysis
Volume 2014 (2014), Article ID 461965, 7 pages
Research Article
Existence of Nontrivial Solutions of p-Laplacian Equation with Sign-Changing Weight Functions
Département de Mathématiques, Faculté des Sciences de Tunis, Campus Universitai... | {"url":"http://www.hindawi.com/journals/isrn.mathematical.analysis/2014/461965/","timestamp":"2014-04-21T03:09:03Z","content_type":null,"content_length":"646964","record_id":"<urn:uuid:43d21cb3-23c6-4bb9-aa3f-81ba0105ffcf>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00218-ip-10-147... |
How the Brain Keeps the Eyes Still
Results 1 - 10 of 57
- J. Neurosci , 1999
"... this paper I present a network model of spiking neurons in which synapses are endowed with realistic gating kinetics, based on experimentally measured dynamical properties of cortical synapses.
I will focus on how delay-period activity co... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=323323","timestamp":"2014-04-23T08:51:42Z","content_type":null,"content_length":"38892","record_id":"<urn:uuid:34388d92-f186-4f7e-97ff-2f09a17b0108>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00567-ip-10-147-4-33.ec2.internal.war... |
This text is designed for graduate-level courses in real analysis.
Real Analysis, Fourth Edition, covers the basic material that every graduate student should know in the classical theory of functions of a real variable, measure and integration theory, and some of
the more important and elementary topics in general top... | {"url":"http://www.mypearsonstore.com/bookstore/real-analysis-coursesmart-etextbook-0321656822","timestamp":"2014-04-21T04:49:39Z","content_type":null,"content_length":"23871","record_id":"<urn:uuid:3aa34320-9fdd-4192-bbfa-655cab96aea7>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-0... |
College Algebra: Polynomial Zeros & Multiplicities Video | MindBites
College Algebra: Polynomial Zeros & Multiplicities
About this Lesson
• Type: Video Tutorial
• Length: 8:09
• Media: Video/mp4
• Use: Watch Online & Download
• Access Period: Unrestricted
• Download: MP4 (iPod compatible)
• Size: 87 MB
... | {"url":"http://www.mindbites.com/lesson/787-college-algebra-polynomial-zeros-multiplicities","timestamp":"2014-04-16T07:57:46Z","content_type":null,"content_length":"63253","record_id":"<urn:uuid:14d3ea3c-7160-430f-ab4c-4f3c8e2d34d2>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-0004... |
Fuzzy Urn
A friend of mine had an idea that he said required accurate control of water temperature, this got me thinking and I figured it was a good opportunity to have a play. To control the temperature I
decided to try and put some of the theory I was taught at uni into practice. I had it in my head even though it is... | {"url":"http://hownottoengineer.com/projects/fuzzy-urn.html","timestamp":"2014-04-16T07:26:21Z","content_type":null,"content_length":"23879","record_id":"<urn:uuid:69160bcb-c805-4425-925c-89a8aee492ed>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00602-ip-10-147-4-33.ec2.internal.wa... |
Do good math jokes exist?
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
Have a good joke? Share.
I know this is subjective, but the principle "should be of interest to mathematicians" trum... | {"url":"http://mathoverflow.net/questions/1083/do-good-math-jokes-exist/1593","timestamp":"2014-04-18T21:27:26Z","content_type":null,"content_length":"123671","record_id":"<urn:uuid:98d062f3-d7f2-4e32-b0a4-214df501d5af>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00472-ip-10-147-4-3... |
How many cups is 1.9 liters?
You asked:
How many cups is 1.9 liters?
Say hello to Evi
Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more. Over the next few months we
will be adding all of Evi's power t... | {"url":"http://www.evi.com/q/how_many_cups_is_1.9_liters","timestamp":"2014-04-19T17:10:49Z","content_type":null,"content_length":"53124","record_id":"<urn:uuid:0005adb5-384f-48a4-b8e2-e9ba52220874>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00332-ip-10-147-4-33.ec2.internal.warc.... |
Patent application title: METHOD FOR SINGLE STREAM BEAMFORMING WITH MIXED POWER CONSTRAINTS
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System and method for calculating a transmitter beamforming vector related to a channel vector h under per-antenna power co... | {"url":"http://www.faqs.org/patents/app/20130040580","timestamp":"2014-04-19T11:37:45Z","content_type":null,"content_length":"121721","record_id":"<urn:uuid:9634b83d-6dae-4d98-98eb-fedd2863c435>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00291-ip-10-147-4-33.ec2.internal.warc.gz"} |
Cross correlation
June 22nd 2009, 03:46 AM #1
May 2009
Cross correlation
Hi ,
I have [B]
x[t_]:=[1-t]*P[t-0.5] and
{1, Abs[t]£0.5},
{0, Abs[t]³0.5}
when P represents the Rectangle Function .
In the attached photo you can see the system .
and I need to find the cross-corrleati... | {"url":"http://mathhelpforum.com/math-software/93474-cross-correlation.html","timestamp":"2014-04-17T14:09:25Z","content_type":null,"content_length":"34584","record_id":"<urn:uuid:7fd5c728-c972-4a21-9f6c-b8f03d4a2109>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00370-ip-10-147-4-33... |
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scatter diagram and Probability
August 9th 2007, 08:23 AM
scatter diagram and Probability
Please solve following.
Q#1. The owner of a retailing organization is interested in the relationship between price at which a commodity is offer for sale and the quantity sold. The following sample data have been
Price... | {"url":"http://mathhelpforum.com/statistics/17638-scatter-diagram-probability-print.html","timestamp":"2014-04-18T21:50:13Z","content_type":null,"content_length":"6552","record_id":"<urn:uuid:9a49b057-863d-4e6e-a03d-dd061c31210f>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00116-ip-... |
Two New Variables
Date: 10/25/2002 at 13:33:10
From: Robert Summers
Subject: Two equations with two unknowns
I am trying to calculate using the Owens-Wendt equation. The equation
will give two equations with two unknowns. I am unable to solve
them, because of the x^1/2 and y^1/2 powers.
Two equations:
69.7 = (21.8x)... | {"url":"http://mathforum.org/library/drmath/view/61609.html","timestamp":"2014-04-20T16:59:28Z","content_type":null,"content_length":"7147","record_id":"<urn:uuid:a9195cdf-d84e-4b7c-89d2-e129028dfd14>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00579-ip-10-147-4-33.ec2.internal.war... |
Next: Floating-point Numbers Up: Terms Previous: Terms   Contents   Index
The printed form of an integer in HiLog consists of a sequence of digits optionally preceded by a minus sign ( '-'). These are normally interpreted as base '). If a base greater than A-Z or a-z are
used to stand for digits greater than
Us... | {"url":"http://www.cs.sunysb.edu/~sbprolog/manual1/node38.html","timestamp":"2014-04-18T23:16:07Z","content_type":null,"content_length":"4062","record_id":"<urn:uuid:af27329d-b1a3-4cd9-86ec-d0ffecbb3241>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00070-ip-10-147-4-33.ec2.internal.w... |
Shawn K.
I graduated from the University of Chicago with a PhD in physics in 2011, specializing in experimental particle physics. My background in teaching includes being a teaching assistant (TA) teaching
basic 1st year undergraduate physics. However, my expertise involves various fields.
My education in physics inclu... | {"url":"http://www.wyzant.com/Tutors/IL/Chicago/8406507/?g=3JY","timestamp":"2014-04-19T07:51:15Z","content_type":null,"content_length":"76871","record_id":"<urn:uuid:c84dfdc1-67f2-45e8-b6d6-b40f5661a24c>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00118-ip-10-147-4-33.ec2.internal... |
Patent US5617030 - Method and apparatus for gradient power supply for a nuclear magnetic resonance tomography apparatus
The problem of fast gradient switching is especially pronounced in the EPI (echo planar imaging) method. This method is therefore explained in brief with reference to FIGS. 1 through 5. According to
F... | {"url":"http://www.google.ca/patents/US5617030","timestamp":"2014-04-18T03:11:42Z","content_type":null,"content_length":"71262","record_id":"<urn:uuid:9ef4e96b-5e62-45a5-a450-e2421ff2e0e3>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00256-ip-10-147-4-33.ec2.internal.warc.gz"} |
Algebra: is this right?
Number of results: 111,674
1. 5*3 - 20 = -5 2. right 3. (3x-12)/2 need parenthesis 4. –3(x – 3) + 8(x – 3) = x – 9 -3x+9+8x-24=x-9 4x = -42 x = -21/2 or - 10 1/2 5. right 6. right 7. right 8. right 9. right 10. right 1/2 = -1/
Sunday, December 23, 2007 at 1:48pm by Damon
algebra write word phras... | {"url":"http://www.jiskha.com/search/index.cgi?query=Algebra%3A+is+this+right%3F","timestamp":"2014-04-16T22:03:49Z","content_type":null,"content_length":"38652","record_id":"<urn:uuid:e691fd8a-b1f3-44e9-902d-9472b6b20d40>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00402-ip-10-147... |
Math education: you're doing it wrong
Math education: you’re doing it wrong
Recent discussion about the problems with our educational system reminded me about the story of why my friend J almost didn’t make it into his high school honors math class. Now, to clarify, J is
easily one of the smartest people I know. But he... | {"url":"http://measureofdoubt.com/2011/05/13/math-education-youre-doing-it-wrong/","timestamp":"2014-04-21T01:58:50Z","content_type":null,"content_length":"113300","record_id":"<urn:uuid:f4511ca1-50dc-4c66-b624-d399dbe64c05>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00137-ip-10-1... |
Cracking The Da Vinci Code
13 – 3 – 2 – 21 – 1 – 1 – 8 – 5
O, Draconian devil!
... | {"url":"http://discovermagazine.com/2004/jun/cracking-the-da-vinci-code","timestamp":"2014-04-19T06:59:58Z","content_type":null,"content_length":"86275","record_id":"<urn:uuid:1daf43b6-537a-4eba-9956-0a2e4c570ed5>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00587-ip-10-147-4-33.ec2... |
Welcome to techInterview, a site for technical interview questions, brain teasers, puzzles, quizzles (whatever the heck those are) and other things that make you think!
This is difficult to describe in words, so read this carefully, lest there be any confusion. You have a normal six sided cube. i give you six different... | {"url":"http://www.techinterview.org/post/518750698/cube","timestamp":"2014-04-19T06:51:48Z","content_type":null,"content_length":"45113","record_id":"<urn:uuid:238910d0-a07e-4321-8e48-7fd049357b2c>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00118-ip-10-147-4-33.ec2.internal.warc.g... |
4 Sep
o RATIO- t he ratio of two quantities of the same kind is the fraction that one quantity is of the other, in other words to say, how many times a given number is in comparison to another number. A
ratio between two nos.x A and B is denoted by A/B
o Some of the points to be remembered :
1. The two quantities must ... | {"url":"http://g2brass.wordpress.com/2012/09/04/ratio-and-proportion-shortcuts/","timestamp":"2014-04-18T00:22:32Z","content_type":null,"content_length":"118920","record_id":"<urn:uuid:9e667e72-8631-415c-9623-1872e59f8eba>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00476-ip-10-147... |
14. Axisymmetric &
14. Axisymmetric & Triaxial Models
Astronomy 626: Spring 1997
Axisymmetric two-integral models of many elliptical galaxies don't fit the observed kinematics, implying that these systems have a third, non-classical integral. Schwarzschild's method permits the
construction of both axisymmetric and t... | {"url":"http://www.ifa.hawaii.edu/~barnes/ast626_97/atm.html","timestamp":"2014-04-20T03:19:56Z","content_type":null,"content_length":"18691","record_id":"<urn:uuid:4ad3397f-8a7f-4525-a2bd-d55aaf5ffd2b>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00179-ip-10-147-4-33.ec2.internal.w... |
Wayland, MA Geometry Tutor
Find a Wayland, MA Geometry Tutor
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Controllability Matrix [Control Theory]
A slightly clearer but somewhat less rigorous connection (only C'bility [itex]\Longrightarrow[/itex] rank condition!) can be made as follows: We can solve the diff. eq. system that you have provided
and obtain
x(t) = \int_0^{\infty}e^{A(t-\tau)}Bu(\tau)d\tau + e^{At}x(0)
Let's as... | {"url":"http://www.physicsforums.com/showthread.php?p=2987276","timestamp":"2014-04-16T18:59:21Z","content_type":null,"content_length":"32057","record_id":"<urn:uuid:2a6c76de-483a-430b-b5a8-61941031a6e2>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00659-ip-10-147-4-33.ec2.internal.... |
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Operating system for this investigation. (a) Geometry of the DF-CCP chamber. The LF (10 MHz) is applied on the lower electrode, and the HF (40 MHz) is applied on the upper electrode. One of the two
frequen... | {"url":"http://scitation.aip.org/content/avs/journal/jvsta/32/2/10.1116/1.4863948","timestamp":"2014-04-20T17:25:12Z","content_type":null,"content_length":"102599","record_id":"<urn:uuid:8ff09c33-6e70-47c0-87b2-ec6cb7c1d221>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00055-ip-10-1... |
Santa Fe, TX Algebra Tutor
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Report of Sales in cash register
For a cash register program that I am working on for a class I need to display a report of sales that displays the total quantity of each item ordered during the day which updates as orders are
entered, the total sales for each item, and the grand total for sales during the day. right n... | {"url":"http://www.python-forum.org/viewtopic.php?p=4115","timestamp":"2014-04-17T15:27:45Z","content_type":null,"content_length":"30114","record_id":"<urn:uuid:64b98085-150f-4b82-abb4-f695eeef816d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00010-ip-10-147-4-33.ec2.internal.warc.... |
Case Study: Using Coconut to Optimise non-Cartesian MRI for the Cell BE
Christopher Kumar Anand, McMaster University and Optimal Computational Algorithms, Inc.
Coauthors: Wolfram Kahl
We will discuss the opportunities presented by novel multi-core architectures and the Cell BE in particular, and the challen... | {"url":"http://www.fields.utoronto.ca/programs/scientific/08-09/highperformance/abstracts.html","timestamp":"2014-04-16T07:30:27Z","content_type":null,"content_length":"37208","record_id":"<urn:uuid:1a323a8a-a080-4eee-af6a-e73051f1053f>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-0... |
aker Program
Hey im new to this forum. Im in grade 10 taking programming for the first time and after 2 weeks of mindf***ing stuff I was given our first project making a change maker basically what its supposed
to do is you place you amount of money ex.) 15.65 and its supposed to convert that amount to the least amount... | {"url":"http://www.dreamincode.net/forums/topic/294334-an-error-with-my-change-maker-program/page__p__1716065","timestamp":"2014-04-20T12:26:34Z","content_type":null,"content_length":"88691","record_id":"<urn:uuid:4ef3595d-9aa0-495b-9dd6-de6cec6b8a33>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-2... |
Specifying Derivatives
The function FindRoot has a option; the functions FindMinimum, FindMaximum, and FindFit have a Gradient option; and the Newton method has a method option . All these derivatives are specified with
the same basic structure. Here is a summary of ways to specify derivative computation methods.
Metho... | {"url":"http://reference.wolfram.com/mathematica/tutorial/UnconstrainedOptimizationSpecifyingDerivatives.html","timestamp":"2014-04-20T21:20:41Z","content_type":null,"content_length":"50536","record_id":"<urn:uuid:857eec40-82d3-4851-b073-36217ebe8c2e>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-2... |
2005.48: Iterative Solution of a Nonsymmetric Algebraic Riccati Equation
2005.48: Chun-Hua Guo and Nicholas J. Higham (2005) Iterative Solution of a Nonsymmetric Algebraic Riccati Equation.
There is a more recent version of this eprint available. Click here to view it.
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What is taller Mount Everest or K2?
You asked:
What is taller Mount Everest or K2?
Mount Everest
Mount Everest - also called Qomolangma Peak, Mount SagarmÄthÄ, Chajamlungma, Zhumulangma Peak or Mount Chomolungma -, the highest mountain on Earth above sea level, and the highest point on the
Earth's continental crust
S... | {"url":"http://www.evi.com/q/what_is_taller_mount_everest_or_k2","timestamp":"2014-04-21T09:54:29Z","content_type":null,"content_length":"66585","record_id":"<urn:uuid:43d303fd-6523-414b-8cd5-8209afd69ac3>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00173-ip-10-147-4-33.ec2.interna... |
MathFiction: Milo and Sylvie (Eliot Fintushel)
Contributed by "William E. Emba"
"Shapeshifting is treated as a form of Banach-Tarski equidecomposition. And part of a Zorn's Lemma proof is given explicitly."
This story appeared in the March 2000 iss... | {"url":"http://kasmana.people.cofc.edu/MATHFICT/mfview.php?callnumber=mf314","timestamp":"2014-04-17T09:36:05Z","content_type":null,"content_length":"10500","record_id":"<urn:uuid:7d1401ed-109d-4065-b8b7-f270e6fdc591>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00653-ip-10-147-4-33... |
Business Caluculus
October 11th 2007, 10:12 PM #1
Sep 2007
Business Caluculus
A promissory not will pay $50,000 at maturity 5 years from now. The note has an interest rate of 6.4% compounded continuously...
1. What is the note worth right now?
2. You bought the note and cashed it after 5 years. How much... | {"url":"http://mathhelpforum.com/business-math/20424-business-caluculus.html","timestamp":"2014-04-17T16:15:50Z","content_type":null,"content_length":"33167","record_id":"<urn:uuid:5253e498-e2d8-4b1c-b4fd-8ab4c6de21cf>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00305-ip-10-147-4-3... |
Next: Arguments Up: Generalized Nonsymmetric Eigenvalue Problems Previous: LA_GGES   Contents   Index
LA_GGES computes for a pair of
The complex-Schur form is a pair of matrices
In both cases the columns of
A generalized eigenvalue of the pair
Next: Arguments Up: Generalized Nonsymmetric Eigenvalue Proble... | {"url":"http://www.netlib.org/lapack95/lug95/node302.html","timestamp":"2014-04-16T16:06:33Z","content_type":null,"content_length":"8881","record_id":"<urn:uuid:0fabde53-c902-466c-9d8d-a3a9d07f89fe>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00495-ip-10-147-4-33.ec2.internal.warc.... |
Carnivore Scent-station Surveys: Statistical Considerations
Northern Prairie Wildlife Research Center
Proceedings of the North Dakota Academy of Science
Carnivore Scent-station... | {"url":"http://www.npwrc.usgs.gov/resource/mammals/carnivor/index.htm","timestamp":"2014-04-19T17:10:46Z","content_type":null,"content_length":"16472","record_id":"<urn:uuid:94b740fd-3579-43e0-89c1-668460ba84dd>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00615-ip-10-147-4-33.ec2.i... |
January 2
latest paper
by Eric Verlinde on gravity as an entropic force makes me wonder whether I am getting old: Let me admit it: I just don't get it. Is this because I am conservative or lack imagination or too narrow
minded? If it were not for the author, I would have rated it as pure crackpottery. But maybe I am mi... | {"url":"http://atdotde.blogspot.com/2010_01_01_archive.html","timestamp":"2014-04-20T20:55:04Z","content_type":null,"content_length":"69166","record_id":"<urn:uuid:4cd4bf1a-bccc-4612-b869-29a5407e588b>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00433-ip-10-147-4-33.ec2.internal.wa... |
We use uppercase letters to represent matrices, lowercase letters to represent vectors, and subscripted lowercase letters to represent matrix or vector elements. Thus, the matrix A has elements
denoted a[ij] and the vector v has elements v[j].
A banded matrix has its non-zero elements within a `band' about the diag... | {"url":"http://math.nist.gov/MatrixMarket/glossary.html","timestamp":"2014-04-17T01:02:38Z","content_type":null,"content_length":"9910","record_id":"<urn:uuid:90f2f6ee-9cf4-4c0f-8529-9102b3f6ed27>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00207-ip-10-147-4-33.ec2.internal.warc.gz"... |
Math Forum Discussions
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Topic: reduce needs too much memory
Replies: 0
reduce needs too much memory
Posted: Jul 16, 2013 5:54 AM
I ... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2582175","timestamp":"2014-04-19T23:08:26Z","content_type":null,"content_length":"15465","record_id":"<urn:uuid:837096eb-543c-45f6-9ccb-df83a41b8d34>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00346-ip-10-147-4-33.ec2.internal.w... |
Non-trivial representation of second-smallest dimension
up vote 2 down vote favorite
The complex simple algebraic group $Sp_{m,\mathbb{C}}$ of $2m$-dimensional space $V$ has, for $m≥2$, an irreducible representation of dimension $m(2m−1)−1$ in a subspace of codimension $1$ of the
space $\Lambda^2V$. Is it the irreducib... | {"url":"http://mathoverflow.net/questions/118554/non-trivial-representation-of-second-smallest-dimension?answertab=active","timestamp":"2014-04-16T19:36:29Z","content_type":null,"content_length":"70941","record_id":"<urn:uuid:34da5993-377c-408a-83b3-a8ddf4fd5780>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/wa... |
Game Programming Tutorials
Vectors are a very important part of any game. They are used primarily in graphics, collision detection, physics engines and ai. A vector can be represented graphically as follows:
Vectors hav... | {"url":"http://gameprogrammingtutorials.blogspot.com/2009/11/vectors-part-one.html","timestamp":"2014-04-17T01:18:27Z","content_type":null,"content_length":"59072","record_id":"<urn:uuid:d9cf17ee-deb9-44b4-ac81-1b3349b2eb86>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00624-ip-10-14... |
Mathematical and Statistical Models Examples
Results 1 - 10 of 22 matches
US Historical Climate: Excel Statistical part of Examples
Students import US Historical Climate Network mean temperature data into Excel from a station of their choice and use Excel for statistical calculations, graphing, and linear trend estimat... | {"url":"http://serc.carleton.edu/nnn/mathstatmodels/examples.html","timestamp":"2014-04-16T07:16:12Z","content_type":null,"content_length":"27085","record_id":"<urn:uuid:6cb4ed52-45be-4be8-8440-8eae10a16db7>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00615-ip-10-147-4-33.ec2.inter... |
how to avoid this stackoverflow?
at this point
now obviously adding
will result in a stack overflow,since
now is there a way to avoid that?
if that helps:i encountered that problem as i was trying to make a BST.i wanted each node of the tree to have 3 fields,one to point to its parent,
two to point to its children...
t... | {"url":"http://lispforum.com/viewtopic.php?f=2&t=3399","timestamp":"2014-04-21T09:37:47Z","content_type":null,"content_length":"16803","record_id":"<urn:uuid:da978250-784e-414e-9456-9707d81b3c10>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00357-ip-10-147-4-33.ec2.internal.warc.gz"... |
CGTalk - How to check a given axis if it's pointing straight up.
View Full Version : How to check a given axis if it's pointing straight up.
03-10-2009, 07:47 PM
Is Maxscript provide some convienient way to check if a g... | {"url":"http://forums.cgsociety.org/archive/index.php/t-740191.html","timestamp":"2014-04-21T09:48:13Z","content_type":null,"content_length":"6793","record_id":"<urn:uuid:aec57cda-0aa5-42e5-a2a1-d341a80cba26>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00258-ip-10-147-4-33.ec2.inte... |
Re: st: probit residuals
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: probit residuals
From Paul Millar <paul.millar@shaw.ca>
To statalist@hsphsun2.harvard.edu
Subject Re: st: probit residuals
Date Thu, 17 May 2007 02:52:24 -0600
You can easily generate the residuals man... | {"url":"http://www.stata.com/statalist/archive/2007-05/msg00565.html","timestamp":"2014-04-18T14:35:24Z","content_type":null,"content_length":"8782","record_id":"<urn:uuid:27e49d19-11f2-4ce3-984f-e30a52968f6d>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00460-ip-10-147-4-33.ec2.inte... |
Re: st: constrained sum of random values
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: constrained sum of random values
From Eva Poen <eva.poen@gmail.com>
To statalist@hsphsun2.harvard.edu
Subject Re: st: constrained sum of random values
Date Wed, 25 Mar 2009 19:11:46 +00... | {"url":"http://www.stata.com/statalist/archive/2009-03/msg01348.html","timestamp":"2014-04-20T20:57:16Z","content_type":null,"content_length":"6416","record_id":"<urn:uuid:2005efd0-434f-41e7-b55c-5de10f7c92b8>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00422-ip-10-147-4-33.ec2.int... |
Math Forum Discussions
Math Forum
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Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Re: In "square root of -1", should we say "minus 1" or "negative
Replies: 0
Re: In "square root of -1"... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2419404&messageID=7934164","timestamp":"2014-04-19T17:31:30Z","content_type":null,"content_length":"15380","record_id":"<urn:uuid:7f7f674f-ae0e-41b1-b6ae-64de0d38c7b7>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00457-ip-10-147-4... |
Discrete Math
Posted by Francesca on Monday, March 21, 2011 at 12:42pm.
Use mathematical induction to prove the truth of each of the following assertions for all n ≥1.
n³ + 5n is divisible by 6
I really do not understand this to much. This is what I have so far:
n = 1, 1³ - 5(1) = 6, which is divisible by 6
Then I real... | {"url":"http://www.jiskha.com/display.cgi?id=1300725772","timestamp":"2014-04-16T04:27:16Z","content_type":null,"content_length":"11520","record_id":"<urn:uuid:11bb7729-b581-4e8a-b551-aaf6b0025f36>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00274-ip-10-147-4-33.ec2.internal.warc.g... |
Free Math Worksheets: 5x TablesFree Math Worksheets: 5x Tables | Free Math Worksheets from Classroom Professor
Video: How to Teach the 5x Tables
The video explains two ways to think about 5x tables and work out the answer:
• multiply the number by 10, then halve the result
• Halve the number first, then make it a n... | {"url":"http://freemathworksheets.classroomprofessor.com/5x-tables/","timestamp":"2014-04-25T00:41:45Z","content_type":null,"content_length":"31922","record_id":"<urn:uuid:2b20cc86-9a82-4170-a745-c931bee12e5c>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00332-ip-10-147-4-33.ec2.int... |
Compressing probabilistic Prolog programs
Luc De Raedt, Kristian Kersting, Angelika Kimmig, Kate Revoredo and Hannu Toivonen
Machine Learning Volume 70, Number 2-3, , 2008. ISSN 0885-6125
ProbLog is a recently introduced probabilistic extension of Prolog (De Raedt, et al. in Proceedings of the 20th international joint ... | {"url":"http://eprints.pascal-network.org/archive/00005922/","timestamp":"2014-04-16T04:14:12Z","content_type":null,"content_length":"7607","record_id":"<urn:uuid:dff6b4e9-9a81-4ff1-a54c-6eeddcc7a932>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00494-ip-10-147-4-33.ec2.internal.war... |
cubic meter per day to milliliters per week
Category - start in: main menu • flow rate menu • Cubic meters per day
Amount: 1 cubic meter per day (m3/d) of flow rate
Equals: 7,000,000.00 milliliters per week (mL/wk) in flow rate
TOGGLE : from milliliters per week into cubic meters per day in the other way around.
CONVER... | {"url":"http://www.traditionaloven.com/tutorials/flow-rate/convert-m3-cubic-meter-per-day-to-ml-milliliter-per-week.html","timestamp":"2014-04-19T09:39:19Z","content_type":null,"content_length":"29098","record_id":"<urn:uuid:5c542474-7a86-4939-9521-ec938c1b03f3>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/war... |
Math Forum Discussions - Trying to find a teaching kids math video I liked
Date: Apr 6, 2012 11:26 AM
Author: Ben Claar
Subject: Trying to find a teaching kids math video I liked
I'm trying to re-find a great math talk I liked.
It was a college-aged guy, modern video -- in it he said we need to be teaching kids math di... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=7763281","timestamp":"2014-04-17T01:11:02Z","content_type":null,"content_length":"1787","record_id":"<urn:uuid:bc8b323d-e47b-4e15-9ba9-238e685ace1c>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00484-ip-10-147-4-33.ec2.interna... |
What is the formula for converting grams to atoms or atoms to grams?How many atoms are in 878g of fluorine? - Homework Help - eNotes.com
What is the formula for converting grams to atoms or atoms to grams?
How many atoms are in 878g of fluorine?
You cannot directly convert grams to atoms. First you must covert your gr... | {"url":"http://www.enotes.com/homework-help/what-formula-grams-atoms-atoms-grams-62777","timestamp":"2014-04-20T00:46:58Z","content_type":null,"content_length":"26109","record_id":"<urn:uuid:f4b7b865-10a4-4904-b478-f3961cec0aa5>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00156-ip-1... |
Safe Haskell Safe-Inferred
The module containing the AlloyA type-class for working with effectful functions (of the type a -> m a). This module is an analogue to Data.Generics.Alloy.Pure that supports functions that result in
a monadic or applicative functor type.
All the functions in this module have versions for App... | {"url":"http://hackage.haskell.org/package/alloy-1.2.0/docs/Data-Generics-Alloy-Effect.html","timestamp":"2014-04-18T15:40:13Z","content_type":null,"content_length":"14999","record_id":"<urn:uuid:696268f3-f36c-4ecf-b91c-9fd08f11660d>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-0022... |
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A particle moves in the xy-plane so that at any time t its coo... | {"url":"http://openstudy.com/updates/516b438de4b0be6bc9547135","timestamp":"2014-04-18T23:29:08Z","content_type":null,"content_length":"34907","record_id":"<urn:uuid:0b20e864-3bc3-4cd3-9d0e-1d5ce65d9c9d>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00339-ip-10-147-4-33.ec2.internal.w... |
Re: st: margins using weights in calculation?
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
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: s... | {"url":"http://www.stata.com/statalist/archive/2013-05/msg00418.html","timestamp":"2014-04-16T19:07:44Z","content_type":null,"content_length":"10757","record_id":"<urn:uuid:b9514c2d-6785-4b22-ace3-2699983f08b7>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00234-ip-10-147-4-33.ec2.in... |
Resistivity of doped Si
How do I calculate the resistivity of a doped Si if I have to substrate of the same type. Lets say a P and As doped Si. Is the mobility given by, [itex]\mu_n(N_d + N_d)[/itex], or should I do this in
an other way? Further, when I calculate the resistivity, is the concentration, [itex]N_{tot} = N... | {"url":"http://www.physicsforums.com/showthread.php?s=2214fbc95c2e81e5c755e9d95d3c754c&p=4630635","timestamp":"2014-04-24T17:35:13Z","content_type":null,"content_length":"22578","record_id":"<urn:uuid:3da54996-4985-4fb4-ba78-75701a4b9d88>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006... |
What is the metamathematical interpretation of knot diagrams?
up vote 10 down vote favorite
I am not a geometric topologist, but from looking over papers in the field, it's clear that knot diagrams are a major tool and we know how to use them in a way that is rigorous and trustworthy. My
background is in model theory ... | {"url":"http://mathoverflow.net/questions/87002/what-is-the-metamathematical-interpretation-of-knot-diagrams/87004","timestamp":"2014-04-17T12:58:13Z","content_type":null,"content_length":"87841","record_id":"<urn:uuid:dec986af-ff63-4499-b29b-cb20abb0171a>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-M... |
Algorithmic Information Theory
Peter Grünwald and Paul Vitányi
In: Handbook of the Philosophy of Science, Volume 8: Philosophy of Information (2008) Elsevier Science .
We introduce *algorithmic information theory*, also known as the theory of *Kolmogorov complexity*. We explain the main concepts of this quantitative ap... | {"url":"http://eprints.pascal-network.org/archive/00004592/","timestamp":"2014-04-17T13:09:17Z","content_type":null,"content_length":"7018","record_id":"<urn:uuid:bc1c17b3-01e9-4620-9257-3ef6bf335f04>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00376-ip-10-147-4-33.ec2.internal.war... |
Wolfram Demonstrations Project
Two-Soliton Collision for the Gross-Pitaevskii Equation in the Causal Interpretation
Under certain simplified assumptions (small amplitudes, propagation in one direction, etc.), various dynamical equations can be solved, for example, the well-known nonlinear Schrödinger equation
(NLS), al... | {"url":"http://demonstrations.wolfram.com/TwoSolitonCollisionForTheGrossPitaevskiiEquationInTheCausalI/","timestamp":"2014-04-19T04:26:54Z","content_type":null,"content_length":"47590","record_id":"<urn:uuid:96fe0a64-204e-4beb-bc24-879879838715>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-2014041... |
Implicit Differentiation
3.3: Implicit Differentiation
Created by: CK-12
This activity is intended to supplement Calculus, Chapter 2, Lesson 6.
Problem 1 – Finding the Derivative of $x^2 + y^2 = 36$
The relation, $x^2 + y^2 = 36$implicitly defines two functions, $f_1(x) = y$$f_2(x) = y$$x^2 + y^2 = 36$$y$
$f_1(x) = && ... | {"url":"http://www.ck12.org/book/Texas-Instruments-Calculus-Student-Edition/r1/section/3.3/","timestamp":"2014-04-18T21:44:07Z","content_type":null,"content_length":"121791","record_id":"<urn:uuid:7b9df58c-4af3-451b-baab-ca49be13eee9>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-0016... |
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can someone help me write a program for MATLAB for cos(theta) ... | {"url":"http://openstudy.com/updates/508b3dbee4b0d596c460eb5b","timestamp":"2014-04-17T21:40:26Z","content_type":null,"content_length":"64698","record_id":"<urn:uuid:333aa883-a6c8-41a7-a52e-545798381aff>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00628-ip-10-147-4-33.ec2.internal.... |
In this section we describe some of the mathematical details required for investigation of the acceleration and transport of all charged particles stochastically and by shocks, and the steps and
conditions that lead to the specific kinetic equations (Eq. 10) used in this and the previous chapters.
A.1. Stochastic accel... | {"url":"http://ned.ipac.caltech.edu/level5/March09/Petrosian2/Petrosian_appendix.html","timestamp":"2014-04-18T10:39:03Z","content_type":null,"content_length":"11929","record_id":"<urn:uuid:aac6fbbe-cacb-4c8e-b64d-a121ed598159>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00359-ip-1... |
This series covers all areas of research at Perimeter Institute, as well as those outside of PI's scope.
One of the cool, frustrating things about quantum theory is how the once-innocuous concept of "measurement" gets really complicated. I'd like to understand how we find out about the universe around
us, and how to re... | {"url":"http://www.perimeterinstitute.ca/video-library/collection/colloquium?page=21&qt-seminar_series=1","timestamp":"2014-04-18T07:30:13Z","content_type":null,"content_length":"62377","record_id":"<urn:uuid:9a68ff5a-c62e-4371-b360-df9aba36098a>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-201404... |
integral x^3*cos(x^2)
my sheet says integrate by substitution then by parts. feeling a little stumped by the substitution intergal (x^3)(cos(x^2))dx
integral (x^3)cos(x^2)=(1/2)integral ucos(u)du let u=cos(u) du=-usin(u) dv=u v=1/2 u^2 =(1/2)((1/2 u^2)cos(u)-integral (((1/2)u^2)(-usin(u))du) =(1/2)((1/2 u^2)cos(u)+(1/2... | {"url":"http://mathhelpforum.com/calculus/87154-integral-x-3-cos-x-2-a.html","timestamp":"2014-04-18T15:56:20Z","content_type":null,"content_length":"43013","record_id":"<urn:uuid:861e3c2a-76e7-4d85-a4e2-aeabe20ff5ca>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00250-ip-10-147-4-33... |
Things You Need To Know About
Your Math 30-1 Diploma Exam
Before you write your Math 30-1 Diploma there are a few things you should know about the format and set-up of the exam. By understanding how your Math 30-1 diploma exam is structured, you’ll feel
more confident and prepared to write it.
How Many Questions Are On... | {"url":"http://www.bestdiplomaprep.com/math-30-1-articles/math-30-1-diploma-structure.php","timestamp":"2014-04-19T14:46:07Z","content_type":null,"content_length":"13501","record_id":"<urn:uuid:5ab92a29-99b3-4cd7-a084-ec0d2c88a77a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00273-i... |
Stephen Haas
Harvey Mudd College Mathematics 2003
The Hausdorff Dimension of the Julia Set of Polynomials of the Form z^d+c
In recent years there has been a fair amount of research about the Hausdorff dimension of Julia sets. Among the most interesting is whether the dimension of the Julia set varies continuously with ... | {"url":"http://www.math.hmc.edu/seniorthesis/archives/2003/shaas/","timestamp":"2014-04-19T20:02:31Z","content_type":null,"content_length":"4586","record_id":"<urn:uuid:e7f68e3d-d2b2-4fae-90c0-1d753a0b8f2a>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00429-ip-10-147-4-33.ec2.intern... |
Numbers News, Videos, Reviews and Gossip - Gizmodo
Some people gobble up algebra and calculus like their life depended on it; others would rather poke pins into their eyes than solve a simultaneous equation. But why is that? »
The sum of 1 + 2 + 3 + 4 + 5 + ... until infinity is somehow -1/12
Here's a fun little brain ... | {"url":"http://gizmodo.com/tag/numbers","timestamp":"2014-04-19T18:12:13Z","content_type":null,"content_length":"250948","record_id":"<urn:uuid:344558d9-0790-4571-af76-7ebdf770494a>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00525-ip-10-147-4-33.ec2.internal.warc.gz"} |
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January 1999
Since the dawn of time mankind has searched for ever quicker ways to travel from A to B. First it was the wheel; then horses and other animals were drafted in to help, and in the last century steam
engines started to power locomotives. Aeroplanes took off in this century, and in 1976 Conco... | {"url":"http://plus.maths.org/content/comment/reply/2383","timestamp":"2014-04-20T08:29:21Z","content_type":null,"content_length":"37639","record_id":"<urn:uuid:21486862-56e3-409e-abc9-fea559f1820e>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00400-ip-10-147-4-33.ec2.internal.warc.g... |
GLSL & Matrix Math
12-29-2012, 11:13 PM #1
Junior Member Newbie
Join Date
Dec 2012
GLSL & Matrix Math
I'm new to 3-D math so I'm not sure if I'm doing this correctly.
I currently have a GLfloat[ 36 ] pyramid set to the buffer, and that data is sent to an vec4 Vertex in the shader.
Code :
#versio... | {"url":"http://www.opengl.org/discussion_boards/showthread.php/180634-GLSL-Matrix-Math?p=1246540&viewfull=1","timestamp":"2014-04-19T04:42:43Z","content_type":null,"content_length":"50772","record_id":"<urn:uuid:762422e2-97a2-4a25-9b34-b79abfbc10ae>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-201... |
Navajo Rug Weaver
Weaving Coordinates
Before creating the design, the weaver marks two places on the rug (usually using chalk):
1) By counting the weft strands and dividing by two, she finds the horizontal center of the rug.
This is the equivalent of finding X = 0.
2) Using a loose strand of yarn, she determines the to... | {"url":"http://csdt.rpi.edu/na/rugweaver/geometry/Coordinates_5.html","timestamp":"2014-04-19T11:57:18Z","content_type":null,"content_length":"4365","record_id":"<urn:uuid:031f3b7e-2497-486c-96e9-80e24ad86f5b>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00639-ip-10-147-4-33.ec2.int... |
Word Problems: Vectors - Non-Right Triangle Relationships AlgebraLAB: Word Problems
In order to solve problems involving vectors and their resultants and dot products, it is necessary to
A typical problem involving vectors which can be solved by adding and/or subtracting vectors, using a dot product, or applying the La... | {"url":"http://www.algebralab.org/Word/Word.aspx?file=Trigonometry_ResultantsDotProducts.xml","timestamp":"2014-04-18T11:11:32Z","content_type":null,"content_length":"43318","record_id":"<urn:uuid:077ab710-c806-477b-9204-1b9e8f772ca9>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-0058... |
A simple Big Data analysis using the RevoScaleR package in Revolution R
This post from Stephen Weller is part of a series from members of the Revolution Analytics Engineering team. Learn more about the RevoScaleR package, available free to academics as part of Revolution
R Enterprise — ed.
The RevoScaleR package, insta... | {"url":"http://blog.revolutionanalytics.com/2011/05/big-data-analysis-in-revolution-r.html","timestamp":"2014-04-19T15:11:43Z","content_type":null,"content_length":"34848","record_id":"<urn:uuid:81f76f39-9b16-43b2-81f0-2871e2a7dc9d>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00649-... |
and survey-related effects, and interpreting the results appropriately. Assessment of groups for the adequacy of intake also involves choosing between two methods: (1) the probability approach or (2)
the Estimated Average Requirement (EAR) cut-point method. Both are presented in detail in Chapter 4.
Individuals in a gr... | {"url":"http://www.nap.edu/openbook.php?record_id=9956&page=8","timestamp":"2014-04-18T13:27:17Z","content_type":null,"content_length":"41228","record_id":"<urn:uuid:5cbccd5a-9a1e-431d-abb6-e79da787017a>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00459-ip-10-147-4-33.ec2.internal.... |
Understanding Constructions in Set
Eric: How is this (note: terminal object) the universal cone over the empty diagram?
Toby: It seems to me that this is really a question about terminal objects in general than about terminal objects in $Set$. A cone over the empty diagram is simply an object, and a morphism of cones
o... | {"url":"http://ncatlab.org/nlab/show/Understanding+Constructions+in+Set","timestamp":"2014-04-21T02:02:00Z","content_type":null,"content_length":"18615","record_id":"<urn:uuid:c5af1588-2a69-4dd9-b8b6-0e7af3cc794c>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00299-ip-10-147-4-33.ec2... |
What question would you ask to identify whether or not you were chatting with a well developed software or a person? | A conversation on TED.com
• West Lafayette Bra, IN
• United States
Student, Purdue University
TEDCRED 50+
This conversation is closed. Start a new conversation
or join one »
What question would y... | {"url":"http://www.ted.com/conversations/22663/what_question_would_you_ask_to.html?c=812497","timestamp":"2014-04-20T21:43:52Z","content_type":null,"content_length":"101429","record_id":"<urn:uuid:203c59be-e7d1-4883-abd2-95d9325c8cd8>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-003... |
Series Expansion of Uniform MGF
August 7th 2009, 02:46 AM #1
Junior Member
May 2009
Series Expansion of Uniform MGF
X has uniform dist (0,1).
I found the MGF to be:
$\frac{e^s - 1}{s}$
Now I need to expand the MGF in powers of s up to $s^2$ and use this to find the mean and variance of X. I know the... | {"url":"http://mathhelpforum.com/advanced-statistics/97238-series-expansion-uniform-mgf.html","timestamp":"2014-04-19T09:14:52Z","content_type":null,"content_length":"36630","record_id":"<urn:uuid:b4e50467-da20-410d-a088-8d7a4fee37fd>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-002... |
Pleasantville, NY Prealgebra Tutor
Find a Pleasantville, NY Prealgebra Tutor
...I also tutored GED math at Mercy Learning Center in Bridgeport this summer. My modus operandi is to be well prepared for each tutoring session by doing any homework in advance of the student
to enable helping him/her gain a better under... | {"url":"http://www.purplemath.com/pleasantville_ny_prealgebra_tutors.php","timestamp":"2014-04-19T09:51:15Z","content_type":null,"content_length":"24507","record_id":"<urn:uuid:9aa7a39c-dadf-4068-9494-e719429ff1f0>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00446-ip-10-147-4-33.ec2... |
Fachbereich Physik
Superselection rules induced by the interaction with a mass zero Boson field are investigated for a class of exactly soluble Hamiltonian models. The calculations apply as well to discrete as to
continuous superselection rules. The initial state (reference state) of the Boson field is either a... | {"url":"https://kluedo.ub.uni-kl.de/solrsearch/index/search/searchtype/collection/id/15998/start/0/rows/10/yearfq/2004/subjectfq/Mathematical+Physics","timestamp":"2014-04-21T09:50:37Z","content_type":null,"content_length":"15746","record_id":"<urn:uuid:f71f98a9-12e3-4abb-9f29-d4d7b3f61c36>","cc-path":"CC-MAIN-2014-15/... |
Algebra: Linear Inequalities Help and Practice Problems
Find study help on linear inequalities for algebra. Use the links below to select the specific area of linear inequalities you're looking for help with. Each guide comes complete with an explanation,
example problems, and practice problems with solutions to help y... | {"url":"http://www.education.com/study-help/study-help-algebra-linear-inequalities/page2/","timestamp":"2014-04-18T20:30:36Z","content_type":null,"content_length":"96389","record_id":"<urn:uuid:9e68005e-3313-47b8-8183-24a6a834cae4>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00381-... |
Lakewood Village, TX Math Tutor
Find a Lakewood Village, TX Math Tutor
...With me they will know that they are safe and that they are talking with someone who knows and understands what they are going through. My goal as I pursue my degrees is to finish with my
Ph.D. in Organic Chemistry. I completed both semesters... | {"url":"http://www.purplemath.com/Lakewood_Village_TX_Math_tutors.php","timestamp":"2014-04-17T13:19:10Z","content_type":null,"content_length":"24162","record_id":"<urn:uuid:1e8e0738-3e67-48fe-af3b-b0e000e8c3cc>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00529-ip-10-147-4-33.ec2.i... |
Geometry Portal
Geometry (Greek γεωμε"ρία; geo = earth, metria = measure) is a part of mathematics concerned with questions of size, shape, and relative position of figures and with properties of space.
geometry -
(1) [Euclidean geometry] The measures and properties of points, lines, and surfaces. In a GIS, geometry is... | {"url":"http://en.mimi.hu/gis/geometry.html","timestamp":"2014-04-20T18:51:38Z","content_type":null,"content_length":"36729","record_id":"<urn:uuid:923ce0dd-f002-4c26-915c-62d41b8a2956>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00041-ip-10-147-4-33.ec2.internal.warc.gz"} |
Continuous Everywhere but Differentiable Nowhere
I’m soon going to embark on teaching the chain rule in calculus. I have found ways to help kids remember the chain rule (“the outer function is the mama, the inner function is the baby… when you take
the derivative, you derive the mama and leave the baby inside, and then... | {"url":"http://samjshah.com/page/2/","timestamp":"2014-04-20T00:38:00Z","content_type":null,"content_length":"108589","record_id":"<urn:uuid:bfc429f0-c6cd-4e19-b394-e4fe4e4ecfca>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00593-ip-10-147-4-33.ec2.internal.warc.gz"} |
matrix proof 1
Can some 1 please help me with this as i really hate and sturggle doing matrix proof (Angry) Attachment 9795
Correct. The example given does not answer the question. Also, since one of them is the identity matrix they obviously commute ..... Surely it's not too hard to find two matrices that satisfy the
... | {"url":"http://mathhelpforum.com/advanced-algebra/69723-matrix-proof-1-a-print.html","timestamp":"2014-04-24T16:13:14Z","content_type":null,"content_length":"8805","record_id":"<urn:uuid:5f72ccb2-2c84-40a2-848e-8a0e57281966>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00572-ip-10-1... |
Fractions: On the Order of Operations and Simplifying
Date: 02/27/2010 at 19:48:22
From: Terri
Subject: how fractions fit in to 2nd rule in the order of operations
The 2nd rule in the order of operations says to multiply and divide left to right. I've
been thinking that the only reason for this "left to right" part is ... | {"url":"http://mathforum.org/library/drmath/view/75038.html","timestamp":"2014-04-18T17:09:14Z","content_type":null,"content_length":"20681","record_id":"<urn:uuid:d46907f3-df32-4549-a7ec-ed6b4b88907a>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00120-ip-10-147-4-33.ec2.internal.wa... |
Gyroscope Physics
Gyroscope physics is one of the most difficult concepts to understand in simple terms. When people see a spinning gyroscope precessing about an axis, the question is inevitably asked why that
happens, since it goes against intuition. But as it turns out, there is a fairly straightforward way of unders... | {"url":"http://www.real-world-physics-problems.com/gyroscope-physics.html","timestamp":"2014-04-19T17:35:28Z","content_type":null,"content_length":"56152","record_id":"<urn:uuid:8a5c82fd-c7dc-45b4-92e2-3c59d7f6856c>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00562-ip-10-147-4-33.e... |
NAME Math::MagicSquare - Magic Square Checker and Designer SYNOPSIS use Math::MagicSquare; $a= Math::MagicSquare -> new ([num,...,num], ..., [num,...,num]); $a->print("string"); $a->printhtml(); $a->
printimage(); $a->check(); $a->rotation(); $a->reflection(); DESCRIPTION The following methods are available: new Constr... | {"url":"http://www.cpan.org/modules/by-category/06_Data_Type_Utilities/Math/Math-MagicSquare-2.04.readme","timestamp":"2014-04-16T17:20:20Z","content_type":null,"content_length":"4613","record_id":"<urn:uuid:a213454d-b379-4c77-a043-bc34bc3e2820>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-2014041... |
5th grade math (word problems)
Posted by Alex on Thursday, May 2, 2013 at 7:03am.
I'm not sure how to solve this: A group of friends went to an amusement park. 10 of them rode the ferris wheel, 15 rode carousel, and 11 rode the roller coaster. 7 of them rode both the ferris wheel
& roller coaster. 4 rode both the ferri... | {"url":"http://www.jiskha.com/display.cgi?id=1367492618","timestamp":"2014-04-17T17:06:50Z","content_type":null,"content_length":"9417","record_id":"<urn:uuid:7fa709e6-827c-431c-8205-829a1e3f9c81>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00171-ip-10-147-4-33.ec2.internal.warc.gz"... |
Redefining the kilogram
New research, published by the National Physical Laboratory (NPL), takes a significant step towards changing the international definition of the kilogram which is currently based on a lump of
platinum-iridium kept in Paris. NPL has produced technology capable of accurate measurements of Planck... | {"url":"http://phys.org/news/2012-02-redefining-kilogram.html","timestamp":"2014-04-20T11:24:35Z","content_type":null,"content_length":"84470","record_id":"<urn:uuid:ed1906d2-7c26-4512-a6dc-fd50e9bd4704>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00122-ip-10-147-4-33.ec2.internal.... |
Pacifica Algebra Tutor
Find a Pacifica Algebra Tutor
...I have taught economics, operations research and finance related courses. I have acted as a tutor for MBA students in every course they took in their graduate school curriculum. I have a strong
background in statistics and econometrics.
49 Subjects: includin... | {"url":"http://www.purplemath.com/Pacifica_Algebra_tutors.php","timestamp":"2014-04-20T02:16:37Z","content_type":null,"content_length":"23895","record_id":"<urn:uuid:0c6b2f2c-8041-4392-9b4e-6fcac7d5d2e6>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00173-ip-10-147-4-33.ec2.internal.w... |
Shifts of Square Root Functions
11.2: Shifts of Square Root Functions
Created by: CK-12
Practice Shifts of Square Root Functions
What if you had the square root function $y=\sqrt{x}$ x by 3? After completing this Concept, you'll be able to identify various shifts in square root functions.
Watch This
CK-12 Foundation: S... | {"url":"http://www.ck12.org/book/CK-12-Algebra-I-Concepts/r2/section/11.2/","timestamp":"2014-04-21T02:31:14Z","content_type":null,"content_length":"126227","record_id":"<urn:uuid:1ec3ec2d-580f-4010-886a-1ee329488780>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00160-ip-10-147-4-33... |
Subring of R
February 10th 2010, 01:56 PM #1
Senior Member
Jan 2009
Subring of R
Let S be the set of all elements of the form a+(b*cubed root of 2)+(c*cubed root of 4) with a,b,c rationals. Show that S is a subring of R.
My book does not require multiplicative identity.
I think I can handle showing the ... | {"url":"http://mathhelpforum.com/advanced-algebra/128225-subring-r.html","timestamp":"2014-04-16T07:32:41Z","content_type":null,"content_length":"46361","record_id":"<urn:uuid:fad990f5-17d5-4444-8d00-6676464763e6>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00350-ip-10-147-4-33.ec2... |
J.A. Moorer - Analog Vocoder Info
31, RUE ST. MERRI
PARIS F75004
... | {"url":"https://sites.google.com/site/analogvocoderinfo/miscellaneous/j-a-moorer","timestamp":"2014-04-17T07:31:52Z","content_type":null,"content_length":"86557","record_id":"<urn:uuid:9b960216-b5c0-4635-a39f-6de7af22d008>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00070-ip-10-147... |
April 18th
April 18th
Evaluating Expressions Involving Fractions
This short note is intended to remind you of principles already described under the heading Order of Operations, and to illustrate their application to arithmetic expressions involving fractions.
In evaluating an arithmetic expression, the order in whic... | {"url":"http://www.algebra-online.com/tutorials-2/evaluating-expressions-fractions-1.htm","timestamp":"2014-04-18T13:06:19Z","content_type":null,"content_length":"20032","record_id":"<urn:uuid:801a7468-2779-40e8-b0dd-5f448b3a5527>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00424-i... |
Setting up a double integral
October 12th 2010, 05:39 PM #1
Oct 2010
Setting up a double integral
I have been thinking about this double integral for a couple hours and I can't seem to recall how to properly set it up.
I am attempting to integrate something under the surface of z = 1 / (y+2) and over the ar... | {"url":"http://mathhelpforum.com/calculus/159399-setting-up-double-integral.html","timestamp":"2014-04-17T16:19:21Z","content_type":null,"content_length":"52724","record_id":"<urn:uuid:8d733778-6f36-43d9-b7d5-7336f0ffc882>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00503-ip-10-147-... |
Posts by
Posts by nina
Total # Posts: 453
write conclusion:if i place a pencil in a bucket of water what will happen?conclusion is?
write a hypothesis for questio:if i drop a full toilet paper roll and an empty toilet paperroll will they land on the floor at the same time ;
write a hypothesis for question:if i drop 2 ... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=nina&page=5","timestamp":"2014-04-17T16:26:42Z","content_type":null,"content_length":"19202","record_id":"<urn:uuid:c128cf88-73d4-4210-a166-5fdc92c0efde>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00082-ip-10-147-4-33.ec... |
Google Answers: factorials for addition?
I know what a factorial is, but I can't remember whether there is a
word and/or formula taking a number, lets say 5, and adding 5+4+3+2+1,
which is 15. Does this function (that's probably not the right word,
I'm not a mathematition, have a word, like "factorial"? If so, what
i... | {"url":"http://answers.google.com/answers/threadview/id/708478.html","timestamp":"2014-04-16T10:11:16Z","content_type":null,"content_length":"10277","record_id":"<urn:uuid:bec8fbe1-c42e-4e07-a7cf-3b419879f36a>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00452-ip-10-147-4-33.ec2.int... |