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q-analog of the matrix exponential
up vote 4 down vote favorite
I am a fan of the Matrix exponential $\exp(X)$, defined for any complex matrix $X$ by \begin{equation*} \exp(X) := \sum_{k \ge 0} \frac{X^k}{k!}. \end{equation*}
I have a fleeting acquaintance with q-analog's (essentially, I know that they exist, but have ... | {"url":"http://mathoverflow.net/questions/89976/q-analog-of-the-matrix-exponential/89982","timestamp":"2014-04-16T22:14:46Z","content_type":null,"content_length":"59268","record_id":"<urn:uuid:8b7fb0f8-34e6-45b1-a478-d21ac963bab5>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00588-ip... |
if the employee is fulltime at $9.50hr (plus 20% for benefits) and works one hour of overtime at 1.5 salary, what would the cost be for one week
• 1if the employee is fulltime at $9.50hr (plus 20% for benefits) and works one hour of overtime at 1.5 salary, what would the cost be for one week
if the employee is fu... | {"url":"http://homework.boodom.com/q57633-s-if_the_employee_is_fulltime_at_$9.50hr_(plus_20_for_benefits)_and_works_one_hour_of_overtime_at_1.5_salary,_what_would_the_cost_be_for_one_week","timestamp":"2014-04-18T05:43:34Z","content_type":null,"content_length":"21043","record_id":"<urn:uuid:268c16a0-0014-4356-9631-d93d... |
Problem using factorff()
Bodo Schulze on Mon, 09 Jun 2003 14:58:39 +0200
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Hi all,
I'm pretty new to Pari, but re-reading the manual and searching the mail
archive didn't give me any clue of how to correctly use factorff().
Here's what I trie... | {"url":"http://pari.math.u-bordeaux.fr/archives/pari-users-0306/msg00007.html","timestamp":"2014-04-20T23:47:19Z","content_type":null,"content_length":"4038","record_id":"<urn:uuid:4d7beaab-b0af-45f4-8839-5bb0044c86ed>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00397-ip-10-147-4-3... |
Econometric estimation of country-specific hospital costs
Information on the unit cost of inpatient and outpatient care is an essential element for costing, budgeting and economic-evaluation exercises. Many countries lack reliable estimates, however. WHO
has recently undertaken an extensive effort to collect and collat... | {"url":"http://www.resource-allocation.com/content/1/1/3","timestamp":"2014-04-18T18:10:49Z","content_type":null,"content_length":"146679","record_id":"<urn:uuid:b17ba700-52a1-46ff-a932-f7e4ef669e2d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00012-ip-10-147-4-33.ec2.internal.warc... |
Latex plugin on wordpress.com
I wish to use a lot of mathematical notation on my blog. And if I understand it correctly, i will be able to use Latex plugin on this platform. However, I do not understand how to use it, as in how
to get started with it. I do not have much knowledge of programming, so is there any way to ... | {"url":"http://en.forums.wordpress.com/topic/latex-plugin-on-wordpresscom","timestamp":"2014-04-20T21:58:44Z","content_type":null,"content_length":"16380","record_id":"<urn:uuid:53b85451-ab8a-4e68-b6dd-f6775a6f36b7>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00650-ip-10-147-4-33.e... |
A.2. Series Functions
Common Lisp the Language, 2nd Edition
Next: Scanners Up: Series Previous: Introduction
Throughout this chapter the notation S is used to denote the jth element of the series S. As in a list or vector, the first element of a series has the subscript zero.
The # macro character syntax #Zlist d... | {"url":"http://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/html/cltl/clm/node349.html","timestamp":"2014-04-17T05:39:01Z","content_type":null,"content_length":"3545","record_id":"<urn:uuid:f7892ccc-9ed4-4056-a91e-f10b2bf914c9>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00125-ip... |
Homework Help
Posted by Becca on Sunday, January 29, 2012 at 4:33pm.
Find the volume of the solid formed when the region bounded by y=3x^2 and y=36-x^2 is revolved about the x-axis.
• Calculus - Reiny, Sunday, January 29, 2012 at 6:04pm
I see several posts made by you dealing mainly with these integrations proble... | {"url":"http://www.jiskha.com/display.cgi?id=1327872825","timestamp":"2014-04-16T09:14:20Z","content_type":null,"content_length":"9811","record_id":"<urn:uuid:022f23b2-1189-4e46-b271-2e6c1033bd51>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00127-ip-10-147-4-33.ec2.internal.warc.gz... |
On building hash functions from multivariate quadratic equations
- JOURNAL OF MATHEMATICAL CRYPTOLOGY , 2009
"... In this paper, we present an improved approach to solve multivariate systems over finite fields. Our approach is a tradeoff between exhaustive search and Gröbner bases techniques. We give
theoretical eviden... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=781265","timestamp":"2014-04-16T21:38:41Z","content_type":null,"content_length":"33253","record_id":"<urn:uuid:df5ccf86-4a8e-4912-a798-121d78a0dc95>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00384-ip-10-147-4-33.ec2.internal.war... |
Next: Subautomata Up: What to look Previous: Periods
Another use of the period diagram is to obtain ancestors of a given chain. The simplest application is to find the ancestors of uniform chains, which follows readily from the fact that each link
represents the evolution of the central cell in one neighborhood. All th... | {"url":"http://delta.cs.cinvestav.mx/~mcintosh/oldweb/lcau/node16.html","timestamp":"2014-04-21T06:44:13Z","content_type":null,"content_length":"5496","record_id":"<urn:uuid:f34b1f0a-a0e0-4d32-a218-7a1fa2c081d8>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00630-ip-10-147-4-33.ec2.in... |
Central Falls SAT Math Tutor
Find a Central Falls SAT Math Tutor
...As an undergraduate I wrote a compilation of student programming errors. My major professor reported that my project speeded up his teaching of the course by 20%. I have a Masters Degree in
Computer Science from URI. I worked on a survey written in... | {"url":"http://www.purplemath.com/Central_Falls_SAT_math_tutors.php","timestamp":"2014-04-16T10:36:58Z","content_type":null,"content_length":"24388","record_id":"<urn:uuid:0e093c82-ef2c-4f71-82c5-c95c0b1c917b>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00492-ip-10-147-4-33.ec2.int... |
How to Learn Trigonometry
Edit Article
Edited by Maluniu, Giraffe, BR, Trigtchr and 43 others
Trigonometry is the branch of Mathematics that deals with studying triangles. It is very easy to understand if approached in the right manner. This article will help you get started learning
1. 1
Brush up your basic mathe... | {"url":"http://www.wikihow.com/Learn-Trigonometry","timestamp":"2014-04-18T10:53:55Z","content_type":null,"content_length":"70584","record_id":"<urn:uuid:ee8058bc-a6eb-4a27-84d3-2b68ad33c519>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00284-ip-10-147-4-33.ec2.internal.warc.gz"} |
Graph Edges and Connectivity
February 3rd 2011, 04:45 AM #1
Jan 2011
Graph Edges and Connectivity
Hello there,
How would one show that a simple graph with n vertices and more than (n-1)(n-2)/2 edges must be connected?
I appreciate any help. Thanks!
You should understand that this is not a homework s... | {"url":"http://mathhelpforum.com/discrete-math/170101-graph-edges-connectivity.html","timestamp":"2014-04-20T03:27:36Z","content_type":null,"content_length":"32559","record_id":"<urn:uuid:f07e8fa8-d6d4-4d6c-919d-e78a559b1e39>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00463-ip-10-... |
help with a stack..
It's hard to tell what's going on. Please put more code.
I can see 3 possibilities:
1. All elements in the stack are 0.
2. push() isn't working (i.e. there are 0 elements)
3. empty always returns true (regardless of whether stack is actually empty or not)
just gonna update this.. need help on this :... | {"url":"http://www.cplusplus.com/forum/general/92418/","timestamp":"2014-04-16T14:02:13Z","content_type":null,"content_length":"16864","record_id":"<urn:uuid:2c5dff38-412c-4e01-938b-8a17a739cf5e>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00495-ip-10-147-4-33.ec2.internal.warc.gz"... |
Posts from February 2009 on Learning and Unlearning Math
Monthly Archives: February 2009
I’m assuming you are quite familiar with tally marks: As a system of representation of quantity, tally marks play a very interesting role. You can view it as a number system, yet as a number system
it does not compete … Continue r... | {"url":"http://unlearningmath.com/2009/02/","timestamp":"2014-04-17T06:47:18Z","content_type":null,"content_length":"52371","record_id":"<urn:uuid:71d7acbe-6033-48eb-993e-09bf8e723193>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00209-ip-10-147-4-33.ec2.internal.warc.gz"} |
Wolfram Demonstrations Project
Concentrations of Multiple Reacting Species in a Semi-Infinite Region
A new matrix method is demonstrated for the solution of partial differential equations coupled with first-order reactions representing multi-species reactive transport. In contrast to existing
methods, the coupling matr... | {"url":"http://demonstrations.wolfram.com/ConcentrationsOfMultipleReactingSpeciesInASemiInfiniteRegion/","timestamp":"2014-04-18T08:56:29Z","content_type":null,"content_length":"47831","record_id":"<urn:uuid:050558a4-39e0-4aec-bc78-7bec98e15a42>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-2014041... |
Whitehall, PA Algebra 1 Tutor
Find a Whitehall, PA Algebra 1 Tutor
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different zoos and am well informed in hands on learning str... | {"url":"http://www.purplemath.com/whitehall_pa_algebra_1_tutors.php","timestamp":"2014-04-18T21:51:43Z","content_type":null,"content_length":"24596","record_id":"<urn:uuid:962fb93a-eab4-4c5d-a39e-b0c8c8570fb9>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00645-ip-10-147-4-33.ec2.inte... |
What’s the ROI? (Part 2): Principal Reduction
Posted by Cian Whalley on August 20, 2010 Leave a comment Go to comments
Analyzing Cashflow, Principal Reduction, Appreciation, and finally the ROI Calculation. If you have not already read part 1, I suggest doing so.
Principal Reduction is one of the most commonly overlook... | {"url":"http://somewhere.ca/2010/08/whats-the-roi-part-2-principal-reduction/","timestamp":"2014-04-20T01:32:07Z","content_type":null,"content_length":"24886","record_id":"<urn:uuid:d4d990ea-2b9a-4497-b022-15e7ce84d179>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00291-ip-10-147-4-3... |
All horses have the same colour
52pages on
this wiki
This article is still under construction
Please post comments, questions and suggestions on the talk page, not in the article itself. Thank you.
The horse paradox is an apparent paradox which arise... | {"url":"http://paradox.wikia.com/wiki/All_horses_have_the_same_colour","timestamp":"2014-04-21T00:09:18Z","content_type":null,"content_length":"51888","record_id":"<urn:uuid:618458a7-81a2-4ae2-b840-a04183bf4b05>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00353-ip-10-147-4-33.ec2.i... |
OC Curve — how do I draw
The OC curve has the probability of accepting the lot on the y-axis and the actual proportion defective on the x-axis (just to be clear, 1% defective would be 0.01). The following Excel formula
will generate the probability of acceptance: BINOMDIST(c, n, p, TRUE) where c = accept number, n = ... | {"url":"http://www.isixsigma.com/topic/oc-curve-how-do-i-draw/","timestamp":"2014-04-18T20:45:07Z","content_type":null,"content_length":"84134","record_id":"<urn:uuid:fac67f65-cb64-4baa-918f-50dfc5a36226>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00625-ip-10-147-4-33.ec2.internal.... |
Hypothesis testing
Research II Class 5
The logic of hypothesis testing
Start with an example:
We have a representative sample (400) of primary school
children in TinSuiWai
Average self-esteem: 30
All primary school children in HK: 32
Question: Is TinShuiWai students different from HK
The logic is we assume t... | {"url":"http://www.docstoc.com/docs/35683155/Hypothesis-testing","timestamp":"2014-04-24T07:41:53Z","content_type":null,"content_length":"61150","record_id":"<urn:uuid:c02b7c65-9240-4c67-90c3-0d8beab0cf74>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00631-ip-10-147-4-33.ec2.internal... |
Dr. Pruettha Nanakorn (Professor)
Faculty : Office of the Director (OD)
Name : Dr. Pruettha Nanakorn (Professor)
Position : Assistant Director for General Administration, Rangsit Campus
E - Mail : nanakorn@siit.tu.ac.th
Phone Rangsit : +66-2-986-9009, +66-2-986-9101, +66-2-564-3... | {"url":"http://www.siit.tu.ac.th/professor_en.php?id=9","timestamp":"2014-04-20T00:39:34Z","content_type":null,"content_length":"51483","record_id":"<urn:uuid:f991399a-3ca5-4cc7-9cae-175ff1600e47>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00004-ip-10-147-4-33.ec2.internal.warc.gz"... |
Math Forum Discussions
Posts: 458
From: ct
Registered: 6/14/08
The tower of Hanoi and a palindrome sequence.
Posted: Nov 20, 2012 9:33 AM
For a 3 peg Tower of Hanoi
The total sum of each disk for every time it is
correctly moved for any (n) stack moves = A000295 in
OEIS. Where the sum values for each disk is --
Thus cr... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2416117&messageID=7926016","timestamp":"2014-04-19T17:54:44Z","content_type":null,"content_length":"14098","record_id":"<urn:uuid:a0cd64ad-c554-4185-adff-3f3c779215f8>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00414-ip-10-147-4... |
A general construction of hyperuniverses
- PROCEEDINGS OF THE REX WORKSHOP ON SEMANTICS: FOUNDATIONS AND APPLICATIONS, VOLUME 666 OF LECTURE NOTES IN COMPUTER SCIENCE , 1998
"... Canonical solutions of domain equations are shown to be final coalgebras, not only in a category of non-standard sets (as already known), but... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2371308","timestamp":"2014-04-21T03:44:33Z","content_type":null,"content_length":"24759","record_id":"<urn:uuid:d3bfe7e8-acd5-4dfb-afde-24b5e36e2d1f>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00185-ip-10-147-4-33.ec2.internal.wa... |
Strong Induction proof
November 5th 2008, 12:42 PM #1
Nov 2008
Strong Induction proof
Use strong induction to show that every positive integer n can be written
as a sum of distinct powers of two, that is, as a sum of a subset of the integers
2^0=1 ,261=2, 2^2=4,... [Hint: For the inductive step separate... | {"url":"http://mathhelpforum.com/discrete-math/57823-strong-induction-proof.html","timestamp":"2014-04-17T14:22:40Z","content_type":null,"content_length":"28612","record_id":"<urn:uuid:af618c73-8578-436e-9061-d605321946f8>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00657-ip-10-147-... |
Soquel Math Tutor
Find a Soquel Math Tutor
...I am currently a full-time instructional assistant in the Math Learning Center at Cabrillo College, where I have been tutoring off and on for the past 10 years. I taught algebra 2 at Georgiana
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On the Concavity of the Consumption Function
Results 1 - 10 of 52
, 1997
"... This paper shows that standard empirical methods for estimating log-linearized consumption Euler equations cannot successfully uncover structural parameters like the coe#cient of relative risk
aversion from a dataset of simulated consumers be... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1375653","timestamp":"2014-04-16T22:49:07Z","content_type":null,"content_length":"36246","record_id":"<urn:uuid:028aa2fa-d5a9-44bc-a8c1-addfe2ad7c38>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00253-ip-10-147-4-33.ec2.internal.war... |
Psi function - InfoRapid Knowledge Portal
There were no articles with the name "".
Psi function can refer to the Dedekind psi function ψ(n) the Chebyshev function ψ(x) the polygamma function ψ^m(z) or its special cases the digamma function ψ(z) the trigamma function ψ^1(z)
Dedekind psi function
In number theory, th... | {"url":"http://en.inforapid.org/index.php?id=482640","timestamp":"2014-04-18T02:58:30Z","content_type":null,"content_length":"25317","record_id":"<urn:uuid:114f0ed1-2878-4f7b-8e7d-f91a1aa649de>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00236-ip-10-147-4-33.ec2.internal.warc.gz"} |
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'Just Opposite' printed from http://nrich.maths.org/
$A$ and $C$ are the opposite vertices of a square $ABCD$, and have coordinates $(a,b)$ and $(c,d)$, respectively.
What are the coordinates of the other two vertices?
What is the area of the square?
How gen... | {"url":"http://nrich.maths.org/270/index?nomenu=1","timestamp":"2014-04-20T13:25:26Z","content_type":null,"content_length":"3439","record_id":"<urn:uuid:9c8b67db-8bb2-4464-aad3-cfc696d1f306>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00032-ip-10-147-4-33.ec2.internal.warc.gz"} |
Open, closed or neither?
October 12th 2011, 09:29 AM
Open, closed or neither?
How do I prove that the set
$A=\left\{ \left(a,b\right)=\in\mathbb{R}^{2}:\:0\leq x<3,\:0\leq y\leq5\right\}$
is open, closed or neither? I believe it to be neither, because of the x<3 condition.
What would the closure, interi... | {"url":"http://mathhelpforum.com/differential-geometry/190197-open-closed-neither-print.html","timestamp":"2014-04-19T11:15:49Z","content_type":null,"content_length":"11272","record_id":"<urn:uuid:22d77397-bde8-4f75-9f83-941d7b5b188b>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-004... |
Quantum Optics Mark Fox
Sponsored High Speed Downloads
Quantum Optics An Introduction MARK FOX Department of Physics and Astronomy University of Sheffield 1. 3 Great Clarendon Street, Oxford OX2 6DP Oxford University Press is a department of the University
of Oxford.
Written exam in Quantum Optics, FK7017 (7.5 credits )... | {"url":"http://ebookily.org/pdf/quantum-optics-mark-fox","timestamp":"2014-04-23T12:01:19Z","content_type":null,"content_length":"43222","record_id":"<urn:uuid:90e95231-0e04-4a7d-ad8e-d2424193c7ea>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00279-ip-10-147-4-33.ec2.internal.warc.g... |
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If two angles are not supplementary to the same angle, then th... | {"url":"http://openstudy.com/updates/50c7e491e4b0b766106e1b35","timestamp":"2014-04-20T16:07:22Z","content_type":null,"content_length":"42305","record_id":"<urn:uuid:8274f371-4ea7-4844-bdce-a3a4437e0722>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00660-ip-10-147-4-33.ec2.internal.... |
gaussian integers/integral domains
November 27th 2007, 04:28 PM #1
Junior Member
Nov 2007
gaussian integers/integral domains
I am having some trouble with these problems:
1. Find all solutions of (x^2) - x + 2 = 0 over Z_3[i], where Z_3[i] =
{a + bi, where a, b are an element of Z_3} = {0, 1, 2, i, 1 + ... | {"url":"http://mathhelpforum.com/advanced-algebra/23626-gaussian-integers-integral-domains.html","timestamp":"2014-04-20T01:46:45Z","content_type":null,"content_length":"37453","record_id":"<urn:uuid:c638bbf6-f053-4e89-b691-67e7a6fb8364>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-0... |
proximity algorithm question
proximity algorithm question
Since there's no forum dedicated for algorithm questions.. thought I could ask here :)
Suppose I have a collection of coordinates (x,y or x,y,z), and I want to have an operation which looks up the closest n neighbors to a particular coordinate..
My f... | {"url":"http://cboard.cprogramming.com/cplusplus-programming/97062-proximity-algorithm-question-printable-thread.html","timestamp":"2014-04-18T19:06:36Z","content_type":null,"content_length":"17593","record_id":"<urn:uuid:496d0e04-e087-41c5-a858-fccf70a9fe23>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC... |
Help! Theoretical Stats
May 10th 2010, 03:48 PM #1
May 2010
Help! Theoretical Stats
Can anyone help me solve this problem??
Suppose that X(subscript 1),....,X(subscript n) form a random sample from a unifom distribution on the interval [0,1] and that the random variable Y(subscript n)= max{X(subscript 1),..... | {"url":"http://mathhelpforum.com/advanced-statistics/144063-help-theoretical-stats.html","timestamp":"2014-04-20T05:01:07Z","content_type":null,"content_length":"35205","record_id":"<urn:uuid:7ce39111-dc8d-4c38-ba40-f4578aa5807d>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00440-ip... |
El Cerrito Algebra 2 Tutor
Find an El Cerrito Algebra 2 Tutor
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A Note on the Growth of Meromorphic Functions with a Radially Distributed Value
Abstract and Applied Analysis
Volume 2012 (2012), Article ID 217280, 16 pages
Research Article
A Note on the Growth of Meromorphic Functions with a Radially Distributed Value
Department of Mathematics, Fujian Normal University, Fujian Provi... | {"url":"http://www.hindawi.com/journals/aaa/2012/217280/","timestamp":"2014-04-17T06:18:44Z","content_type":null,"content_length":"837466","record_id":"<urn:uuid:aa6ad884-dd25-4a1b-8dff-50ca0910ddc1>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00414-ip-10-147-4-33.ec2.internal.warc... |
Iwasawa Decomposition
up vote 11 down vote favorite
Does anyone know where I can find a proof of the Iwasawa decomposition for reductive groups? I know that there are a couple of related results that are called the Iwasawa decomposition, but I am
interested in the following statement:
Let G be a complex reductive group... | {"url":"http://mathoverflow.net/questions/2229/iwasawa-decomposition/2793","timestamp":"2014-04-19T22:35:03Z","content_type":null,"content_length":"65676","record_id":"<urn:uuid:ca9b3df3-2a12-4916-bd8d-35b237cb8c16>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00152-ip-10-147-4-33.e... |
Which year was Joe Pesci born in?
You asked:
Which year was Joe Pesci born in?
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
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Magical Mathematics
Persi Diaconis and Ron Graham are professors of mathematics and, respectively, a magician and a juggler. They're not professional writers; at times it shows. Their book Magical Mathematics (subtitled
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consecutive numbers
April 27th 2008, 08:56 AM #1
Junior Member
Dec 2007
consecutive numbers
hello everyone!
the square of the mean of the consecutive integers 1,2,3,4,5 is 9
the mean of the squares of the same 5 numbers is 11
show algebraically that the square of any five consecutive integers is alw... | {"url":"http://mathhelpforum.com/algebra/36228-consecutive-numbers.html","timestamp":"2014-04-19T07:14:30Z","content_type":null,"content_length":"43588","record_id":"<urn:uuid:5dcf0365-f32a-4183-bf93-36cfa1a3f991>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00006-ip-10-147-4-33.ec2... |
Neubegründung derMathematik.Erste Miteilung’,in Gesammelte Abhandlungen, vol. III
"... The lives of mathematical prodigies who passed away very early after groundbreaking work invoke a fascination for later generations: The early death of Niels Henrik Abel (1802–1829) from ill
health after a sled trip to visit his fian... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=722124&sort=cite&start=10","timestamp":"2014-04-23T09:36:50Z","content_type":null,"content_length":"31022","record_id":"<urn:uuid:27a0f7c2-0202-444a-942c-d1b361af8c64>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00109-ip-10-147-4-3... |
Suitland Precalculus Tutor
...As a tutor, my main job isn't to talk, but to listen: I think the real centerpiece is getting my students to explain the material in their own words. Everyone learns differently, and the beauty
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Geometry (immediate help and explanation)
Number of results: 20,436
Geometry (immediate help and explanation)
Thanks! But one question..um, where did you get the triangle?
Wednesday, February 20, 2013 at 10:21pm by Isabel
Geometry (immediate help and explanation)
Assuming that the 36 feet wide line base is NOT a diamet... | {"url":"http://www.jiskha.com/search/index.cgi?query=Geometry+(immediate+help+and+explanation)","timestamp":"2014-04-21T15:00:47Z","content_type":null,"content_length":"38275","record_id":"<urn:uuid:bc25966b-6519-42b6-8844-ee233ad1a183>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-0... |
3 Simulataneuous Eqn
You can solve this using substitution, Cramer's rule, lineair combinations, putting it in a matrix and row reducing... What do you know and what have you tried, or where are you stuck?
You do use a number of methods to solve this. You could use matrices, substitution, or add/subtract the equations ... | {"url":"http://mathhelpforum.com/algebra/1571-3-simulataneuous-eqn.html","timestamp":"2014-04-17T13:08:34Z","content_type":null,"content_length":"35547","record_id":"<urn:uuid:c8b80665-ba11-46d4-928b-f9438b140e90>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00080-ip-10-147-4-33.ec2... |
MathGroup Archive: April 1989 [00001]
[Date Index] [Thread Index] [Author Index]
Fourier Transform Package
• To: mathgroup
• Subject: Fourier Transform Package
• From: Victor Sparrow <sparrow at osiris.cso.uiuc.edu>
• Date: Mon, 17 Ap... | {"url":"http://forums.wolfram.com/mathgroup/archive/1989/Apr/msg00001.html","timestamp":"2014-04-17T07:25:03Z","content_type":null,"content_length":"48456","record_id":"<urn:uuid:6693c0ba-c3e1-4502-aabd-84bd5033f6fe>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00127-ip-10-147-4-33.e... |
An Improved Incremental Algorithm for Generating Prime Implicates
Johan de Kleer
Prime implicates have become a widely used tool in AI. The prime implicates of a set of clauses can be computed by repeatedly resolving pairs of clauses, adding the resulting resolvents to the set
and removing subsumed clauses. Unfortunate... | {"url":"http://www.aaai.org/Library/AAAI/1992/aaai92-121.php","timestamp":"2014-04-19T12:11:35Z","content_type":null,"content_length":"3022","record_id":"<urn:uuid:8592a045-3fb9-4f40-a9f0-f81a923a2125>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00090-ip-10-147-4-33.ec2.internal.wa... |
Semantics of SPARQL (Perez, Arenas, and Gutierrez)
From: Lee Feigenbaum <feigenbl@us.ibm.com> Date: Thu, 26 Oct 2006 15:42:40 -0400 To: RDF Data Access Working Group <public-rdf-dawg@w3.org> Message-ID:
In the hopes that we might be able to base or at least derive many of our
definitions from the work done in the lates... | {"url":"http://lists.w3.org/Archives/Public/public-rdf-dawg/2006OctDec/0105.html","timestamp":"2014-04-18T06:26:24Z","content_type":null,"content_length":"12836","record_id":"<urn:uuid:b5c964c5-7bed-4cf4-b6a0-97090e65bf29>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00338-ip-10-147... |
RE: st: Useful labelling of dummy variables following logit
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][Threa... | {"url":"http://www.stata.com/statalist/archive/2011-08/msg01148.html","timestamp":"2014-04-16T21:59:13Z","content_type":null,"content_length":"16002","record_id":"<urn:uuid:6024ad0e-be3f-4080-b3ce-3148bb097c68>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00662-ip-10-147-4-33.ec2.int... |
intermediate algebra
Search Results: 'intermediate algebra'
Intermediate Algebra
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Seven Languages In Seven Weeks: Prolog - Day 2
Over the weekend, I finished day 2 of Prolog from my Seven Languages in Seven Weeks book. Unfortunately, Prolog continues to confound me. It's actually a little disconcerting that I find this
language so difficult to wrap my head around. I would have hoped that after so ma... | {"url":"http://www.bennadel.com/blog/2071-seven-languages-in-seven-weeks-prolog-day-2.htm","timestamp":"2014-04-18T10:40:05Z","content_type":null,"content_length":"56470","record_id":"<urn:uuid:c69cdfcb-0afa-4212-b0a7-2392f207c917>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00115-... |
There once was a huge boulder, perched precariously, on the
edge of a cliff. For hundreds of years this boulder was there,
rocking and swaying, but always keeping its balance just perfectly.
But one year, there happened to be a sever windstorm; severe enough
it was, to topple the boulder from its majectic height and ... | {"url":"http://appendix.23ae.com/pd1/13.html","timestamp":"2014-04-17T15:43:55Z","content_type":null,"content_length":"3662","record_id":"<urn:uuid:2cce5729-e157-4e87-b792-e004f5d34034>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00474-ip-10-147-4-33.ec2.internal.warc.gz"} |
Wallington Calculus Tutor
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...Function graphs are plotted and studied. Inverse trig functions are defined and studied. A proper tutoring program will uncover weaknesses, drill on them, and then make sure the student is
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{- Copyright (C) 2011 Dr. Alistair Ward This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope ... | {"url":"http://hackage.haskell.org/package/factory-0.2.1.0/docs/src/Factory-Math-Implementations-Pi-BBP-Series.html","timestamp":"2014-04-16T08:57:43Z","content_type":null,"content_length":"4709","record_id":"<urn:uuid:a9b8d013-2260-4e20-8a87-d19c72db552d>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-M... |
Andhra University I B.Sc Maths -March 2010 model question papers
Download Model question papers & previous years question papers Awards & Gifts
... | {"url":"http://www.indiastudychannel.com/question-papers/77951-I-B.Sc-Maths-March-2010.aspx","timestamp":"2014-04-19T01:49:08Z","content_type":null,"content_length":"24872","record_id":"<urn:uuid:048fc856-c108-4e43-84da-afda24cec849>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00254... |
Little proof
October 11th 2011, 04:14 PM #1
Junior Member
Jan 2011
Little proof
Hi I was wondering if I could get some help with the following proof.
Let x,d be integers where d>0. Prove that the intersection of M and the natural numbers is non empty where M={x-qd | q is integer}
Re: Little proof
This d... | {"url":"http://mathhelpforum.com/number-theory/190120-little-proof.html","timestamp":"2014-04-18T22:00:16Z","content_type":null,"content_length":"39275","record_id":"<urn:uuid:e4e9adef-d19f-4f5f-a3b6-25c6740e20e4>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00097-ip-10-147-4-33.ec2.... |
Programming Languages assignment III
Assignment III
Due date Tuesday February 27 and March 6.
The purpose of this assignment to design and implement some procedures to
manipulate floating-point numbers of arbitrary size. There i... | {"url":"http://cs.nyu.edu/courses/spring01/G22.2110-001/ass3.html","timestamp":"2014-04-18T18:30:22Z","content_type":null,"content_length":"4537","record_id":"<urn:uuid:843e44b4-0596-48ce-9995-506faceeae0c>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00457-ip-10-147-4-33.ec2.interna... |
National City, CA Algebra Tutor
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Introduction to Number Theory
This is a text for advanced undergraduates. It is notable for including everything that anyone would expect to find in an elementary number theory text, and more. For example, besides chapters on
analytic number theory and elliptic curves, there is an outline of the resolution of Hilbert’s... | {"url":"http://www.maa.org/publications/maa-reviews/introduction-to-number-theory-1","timestamp":"2014-04-17T22:58:12Z","content_type":null,"content_length":"100314","record_id":"<urn:uuid:043c5557-7980-4347-a541-b772c7a47cd6>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00478-ip-10... |
New Preprint: An Analysis of Random-Walk Cuckoo Hashing
Some people have asked if being the chair of STOC destroyed my work life for several months. Not really. It certainly was work, and like other administrative duties, it took time away from research.
But it didn't completely obliterate my research time. (Arguably,... | {"url":"http://mybiasedcoin.blogspot.com/2009/04/new-preprint-analysis-of-random-walk.html","timestamp":"2014-04-20T03:10:01Z","content_type":null,"content_length":"76830","record_id":"<urn:uuid:0e680b77-ee2a-4aae-857c-893b84b7663a>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00334-... |
Posts about uncategorized on mathematical musings
The AMS Notices has an article this month with personal recollections about Mandelbrot; mathematical recollections will be saved for another article. He comes across as deeply curious and
knowledgeable about almost every subject imaginable.
He was sometimes known for be... | {"url":"http://matthewkahle.wordpress.com/category/uncategorized/","timestamp":"2014-04-18T05:30:17Z","content_type":null,"content_length":"32609","record_id":"<urn:uuid:97cc0db1-654a-47e9-b88e-4468a81364dc>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00563-ip-10-147-4-33.ec2.inter... |
MathGroup Archive: April 2005 [00637]
[Date Index] [Thread Index] [Author Index]
Re: Thanks! Re: Integrate is driving me crazy, please help!
• To: mathgroup at smc.vnet.net
• Subject: [mg56277] Re: Thanks! Re: Integrate is driving me craz... | {"url":"http://forums.wolfram.com/mathgroup/archive/2005/Apr/msg00637.html","timestamp":"2014-04-18T08:21:05Z","content_type":null,"content_length":"36810","record_id":"<urn:uuid:496e68ca-1219-4bcd-b4b9-30d93c564dbd>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00232-ip-10-147-4-33.... |
Internal and external path length of a binary search tree
July 15th 2013, 04:40 PM #1
Jun 2013
Internal and external path length of a binary search tree
I'm really bugging on a question I hope somebody here can help me!
If we note by $S_N$ the average search cost in the case of a successful search in a bina... | {"url":"http://mathhelpforum.com/discrete-math/220599-internal-external-path-length-binary-search-tree.html","timestamp":"2014-04-16T08:46:59Z","content_type":null,"content_length":"40178","record_id":"<urn:uuid:2db42fdd-86db-4102-803c-e1ad0afb9dc1>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-201... |
Re: x*x-1=0
From: Vadim Tropashko <vadimtro_at_yahoo.com> Date: Wed, 31 Jan 2001 04:17:05 GMT Message-ID: <9583jr$fka$1@nnrp1.deja.com>
In article <94rr74$l4j$1_at_news.tue.nl>,
hidders_at_win.tue.nl (Jan Hidders) wrote:
> Vadim Tropashko wrote:
> > In article <94mhpf$jdh$1_at_news.tue.nl>,
> > hidders_at_win.tue.nl (J... | {"url":"http://www.orafaq.com/usenet/comp.databases.theory/2001/01/30/0179.htm","timestamp":"2014-04-19T11:03:38Z","content_type":null,"content_length":"9686","record_id":"<urn:uuid:5a661f86-0d97-4ab0-b1f8-ad4af1a02a0d>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00432-ip-10-147-4-... |
anyone who can help me with this problem:
find the length of the chord 3x-y+9=0 of the circle x^2+y^2=5
One can see a very dull method here. Solve the two equations for the points of intersection, $y=3x+9$ $x^2+y^2=5$ Therefore, $x^2 + 9(x+3)^2=5$ $10x^2 + 54x+81=5$ $5x^2+27x+38=0$ so discriminant of
this equation=729-... | {"url":"http://mathhelpforum.com/geometry/98658-anyone-who-can-help-me-problem.html","timestamp":"2014-04-20T03:23:23Z","content_type":null,"content_length":"32060","record_id":"<urn:uuid:83b01296-e0dc-4403-bb65-bc2f48c730b1>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00143-ip-10-... |
the first resource for mathematics
This paper is concerned with the definition of shape functions for high-order Whitney finite element spaces. The main goal in the present paper is to study higher-order Whitney complexes and to
design shape functions for Whitney
-elements that use only dofs associated with integration... | {"url":"http://zbmath.org/?q=an:1195.78063","timestamp":"2014-04-21T10:17:01Z","content_type":null,"content_length":"21404","record_id":"<urn:uuid:64464a30-6d9e-4946-b23f-8632ae4880b2>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00452-ip-10-147-4-33.ec2.internal.warc.gz"} |
petsc-3.4.4 2014-03-13
Creates a new matrix based sparse Mat storage
#include "petscmat.h"
PetscErrorCode MatCreateBlockMat(MPI_Comm comm,PetscInt m,PetscInt n,PetscInt bs,PetscInt nz,PetscInt *nnz, Mat *A)
Collective on MPI_Comm
Input Parameters
comm - MPI communicator
m - number of rows
n - number of column... | {"url":"http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Mat/MatCreateBlockMat.html","timestamp":"2014-04-19T10:21:04Z","content_type":null,"content_length":"3196","record_id":"<urn:uuid:abf1c99d-b523-4a1b-8cc0-1e2484f22af0>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00... |
ordinary differential equation
March 7th 2010, 08:08 AM
ordinary differential equation
Given the ordinary differential equation
dP/dt = P/H - k * Q/H
units of
k is (J/sec)/C, units of H is J/C, units of Q is C and is
temperature rise after t seconds, units of P is J/sec then
the units common to ... | {"url":"http://mathhelpforum.com/differential-equations/132475-ordinary-differential-equation-print.html","timestamp":"2014-04-18T22:10:41Z","content_type":null,"content_length":"5328","record_id":"<urn:uuid:f32cee08-f275-4b39-9d9c-5a2b5cc6661b>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-2014042... |
Theorems in Euclidean geometry with attractive proofs using more advanced methods
up vote 11 down vote favorite
The butterfly theorem is notoriously tricky to prove using only "high-school geometry" but it can be proved elegantly once you think in terms of projective geometry, as explained in Ruelle's book The
Mathemat... | {"url":"http://mathoverflow.net/questions/31354/theorems-in-euclidean-geometry-with-attractive-proofs-using-more-advanced-method","timestamp":"2014-04-19T22:14:50Z","content_type":null,"content_length":"111678","record_id":"<urn:uuid:a039eaf1-fa00-4021-acc3-cddf7b4ea803>","cc-path":"CC-MAIN-2014-15/segments/13976095377... |
Math Help
September 1st 2010, 12:36 PM #1
Mar 2010
trig identities
(of course I forgot all my high school trig...)
The problem states to find the general solution:
$sin^2 (x-30) = sin^2 2x$
I assume since both sides are sin^2, I can just say x-30 = 2x...
That is all I know how to do. But the an... | {"url":"http://mathhelpforum.com/trigonometry/154967-trig-identities.html","timestamp":"2014-04-19T18:39:46Z","content_type":null,"content_length":"100847","record_id":"<urn:uuid:125975d2-35d2-4c5a-83d4-1ec04740bffa>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00020-ip-10-147-4-33.... |
Foundations of Cryptography, volume II. Cambridge University Press, 2004. [GPV08] [HILL99] [HWZ07] [Imp95] [KS06] [KTX07] Craig Gentry, Chris Peikert, and Vinod Vaikuntanathan. Trapdoors for hard lattices and new cryptographic constructions
, 2008
"... We construct public-key cryptosystems that are secure assuming the ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=10231637","timestamp":"2014-04-20T09:58:41Z","content_type":null,"content_length":"17482","record_id":"<urn:uuid:78f52a4e-c8c2-4d7e-9a0c-63ecb88261ad>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00144-ip-10-147-4-33.ec2.internal.wa... |
2008.52: A measure of the information content of EIT data
2008.52: Andy Adler, Richard Youmaran and William R.B. Lionheart (2008) A measure of the information content of EIT data.
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We ask: how many bits of informa... | {"url":"http://eprints.ma.man.ac.uk/1091/","timestamp":"2014-04-20T08:32:55Z","content_type":null,"content_length":"9813","record_id":"<urn:uuid:547a69c0-fb05-4d60-9702-536e1a1f0d43>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00401-ip-10-147-4-33.ec2.internal.warc.gz"} |
I have tried and tried and tried and am stuck and am not getting the correct output. I have to write a program to scan in a number, which is the number of times i will test if a number is abundant,
and then based on that number I input that amount of numbers. Here are the directions:
Input Specification
1. The first in... | {"url":"http://www.dreamincode.net/forums/topic/339748-help-in-abundant-number-program/page__pid__1968611__st__0","timestamp":"2014-04-19T08:45:47Z","content_type":null,"content_length":"105078","record_id":"<urn:uuid:02d88deb-004a-4ca4-a72e-a189d1008317>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MA... |
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The coordinate grid below shows Triangle STU and its image aft... | {"url":"http://openstudy.com/updates/50840a4ae4b0dab2a5ec3a1c","timestamp":"2014-04-20T18:50:36Z","content_type":null,"content_length":"38321","record_id":"<urn:uuid:f83a8ab5-9276-47ed-b17c-93480b6fdaf1>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00236-ip-10-147-4-33.ec2.internal.... |
Possible Answer
Update : for instance the following formula =1/(POWER(1.16;A19) - read more
In excel what does the colon between a formula mean? What does the semi colon mean in an excel formula? ... 84% - What does the semi colon mean in an excel formula? 38% - What is a colon for in excel
because i havent really got ... | {"url":"http://www.askives.com/what-does-semicolon-mean-in-excel.html","timestamp":"2014-04-20T14:23:38Z","content_type":null,"content_length":"35532","record_id":"<urn:uuid:9a769b97-84a3-4a1e-ad40-0af41dcc462e>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00233-ip-10-147-4-33.ec2.i... |
Merrimack Algebra 2 Tutor
Find a Merrimack Algebra 2 Tutor
...I also boast 30 years of industry experience as an applied mathematician. I have had many recent tutoring situations with students taking algebra, calculus, and statistics. Courses I have
taught include algebra, trigonometry, precalculus, calculus, diffe... | {"url":"http://www.purplemath.com/Merrimack_Algebra_2_tutors.php","timestamp":"2014-04-20T10:48:37Z","content_type":null,"content_length":"23861","record_id":"<urn:uuid:539c5c3e-32ca-4bfd-9634-fd0913cb9cac>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00117-ip-10-147-4-33.ec2.intern... |
Everett, WA Geometry Tutor
Find an Everett, WA Geometry Tutor
...If you are outside of my travel area, or if you prefer to learn online, I now offer online tutoring. Tutoring sessions take place through an online platform that allows me to transfer files,
assess homework and communicate directly with the student. I... | {"url":"http://www.purplemath.com/Everett_WA_geometry_tutors.php","timestamp":"2014-04-20T21:12:15Z","content_type":null,"content_length":"23900","record_id":"<urn:uuid:e4743da7-04aa-441d-bdf2-63591a96a904>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00639-ip-10-147-4-33.ec2.interna... |
Jenkintown Math Tutor
Find a Jenkintown Math Tutor
Physics and math can be a daunting task to many students, and some teachers don't make it any easier with either over-simplistic explanations that don't help or no explanations at all. As a
physics teacher with degrees in Math and Physics, I am aware of the areas o... | {"url":"http://www.purplemath.com/Jenkintown_Math_tutors.php","timestamp":"2014-04-16T07:56:47Z","content_type":null,"content_length":"24037","record_id":"<urn:uuid:1e9556c3-030f-49ab-89aa-b224e651da67>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00038-ip-10-147-4-33.ec2.internal.w... |
Frequency Resonance Calculator
Highfields Amateur Radio Club
Constructors Corner.
Calculator pages.
Capacitance, Inductance
&Frequency Resonance Calculator.
This calculator is especially handy if you have a frequency in mind, a selection of inductors and capacitors to hand and want to find a pair that resonate at the f... | {"url":"http://highfields-arc.co.uk/constructors/olcalcs/lcres.htm","timestamp":"2014-04-17T09:50:35Z","content_type":null,"content_length":"3412","record_id":"<urn:uuid:dd1cc587-7e2f-4e21-bbb5-2a077b3018a8>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00052-ip-10-147-4-33.ec2.inter... |
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ok a nice one Find all Pairs \((m,n)\) of positive integers su... | {"url":"http://openstudy.com/updates/504b7b26e4b0925ffedd031a","timestamp":"2014-04-19T17:16:39Z","content_type":null,"content_length":"90752","record_id":"<urn:uuid:ecd77a91-693a-4a39-8acc-2974c42fb054>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00404-ip-10-147-4-33.ec2.internal.... |
Test Your Intuition (6)
This is not as clear cut a question as the earlier ones, and if you do not know an answer then it will be difficult to figure one out just based on intuition. (But perhaps possible).
If you are intrigued by the question and would like to explore what an answer could be, I would be interested to ... | {"url":"https://gilkalai.wordpress.com/2009/06/29/test-your-intuition-6/?like=1&source=post_flair&_wpnonce=78d053c4d8","timestamp":"2014-04-18T11:23:00Z","content_type":null,"content_length":"122960","record_id":"<urn:uuid:148e1716-a40a-4bef-b50f-f49cc596aaf1>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/C... |
Velocity and Acceleration
December 3rd 2009, 03:50 AM #1
Junior Member
Nov 2008
Far away.
This question is about the function:
v = 50 - 50e^(-0.2t), t is bigger or the same as 0.
v is in metres per second and t is in seconds.
The problem is to find:
a) i- an expression for the acceleration, ... | {"url":"http://mathhelpforum.com/advanced-algebra/118206-velocity-acceleration.html","timestamp":"2014-04-20T21:42:43Z","content_type":null,"content_length":"32560","record_id":"<urn:uuid:8d1ab22e-77cc-45bd-b8fa-173a1ebfcd6c>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00033-ip-10-... |
CZ:Mathematics Workgroup
Welcome to Citizendium - the Citizens' Compendium! - Click here to Join us free
Many thanks our August donors. September donations open to all users. - Donate here
Special Election July-August 2013: FINAL RESULTS.
CZ:Mathematics Workgroup
From Citizendium, the Citizens' Compe... | {"url":"http://en.citizendium.org/wiki/CZ:Mathematics_Workgroup","timestamp":"2014-04-19T01:49:22Z","content_type":null,"content_length":"96286","record_id":"<urn:uuid:7d08f362-e01c-43d0-b63a-bd49c63e8944>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00065-ip-10-147-4-33.ec2.internal... |
Calculus - Trigonometric Integrals (with worked solutions & videos)
Trigonometric Integrals
In this lesson, we will look into some techniques of integrating powers of sine, cosine, tangent and secant. We will use trigonometric identities to integrate certain combinations of trigonometric
Odd Power of Sine or Cosine
To ... | {"url":"http://www.onlinemathlearning.com/trigonometric-integrals.html","timestamp":"2014-04-18T05:30:33Z","content_type":null,"content_length":"26699","record_id":"<urn:uuid:a4966ce5-5271-47e2-8770-348a4a2f38e7>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00134-ip-10-147-4-33.ec2.... |
Center is purely definable
From Groupprops
This article gives the statement, and possibly proof, of the fact that for any group, the subgroup obtained by applying a given subgroup-defining function (i.e., center) always satisfies a
particular subgroup property (i.e., purely definable subgroup)}
View subgrou... | {"url":"http://groupprops.subwiki.org/wiki/Center_is_purely_definable","timestamp":"2014-04-18T23:24:33Z","content_type":null,"content_length":"25234","record_id":"<urn:uuid:dd8a4e64-9226-497a-a6d6-269979daaacc>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00079-ip-10-147-4-33.ec2.in... |
need help prove Medians of a triangle coincident
show that the medians of a triangle ABC are coincident
Last edited by Reignrx; May 13th 2009 at 05:32 PM.
Let $\overrightarrow a,\overrightarrow b,\overrightarrow c$, denote the vertices $A,B,C$ respectively and also assume $D(\overrightarrow d),E(\overrightarrow e),F(\o... | {"url":"http://mathhelpforum.com/geometry/88908-need-help-prove-medians-triangle-coincident.html","timestamp":"2014-04-18T15:16:41Z","content_type":null,"content_length":"48718","record_id":"<urn:uuid:dba50337-ca7f-4d28-960a-88e39d1628d8>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213... |
Numbers Proof
October 21st 2012, 01:52 PM #1
Oct 2012
san francisco
Numbers Proof
Hey there I need some help again. Hope you guys can help me out.
The numbers 1-50 are written on the blackboard. Then two numbers
a and b are chosen and replaced by the single number |a-b|: After 49 operations
a si... | {"url":"http://mathhelpforum.com/advanced-math-topics/205825-numbers-proof.html","timestamp":"2014-04-18T06:25:34Z","content_type":null,"content_length":"41681","record_id":"<urn:uuid:24349e08-ef63-4f62-bc6a-e75816f9a4b4>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00453-ip-10-147-... |
Combination problems
March 8th 2010, 05:26 AM #1
Combination problems
1. It takes five people working on different tasks to produce a new product. A small workplace has five
different workers and the plant manager wants to experimentally compare which workers/job
combinations produce the product in the fast... | {"url":"http://mathhelpforum.com/discrete-math/132665-combination-problems.html","timestamp":"2014-04-16T14:23:54Z","content_type":null,"content_length":"48344","record_id":"<urn:uuid:19b74818-1298-41bd-894b-f26fcc9b7618>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00495-ip-10-147-... |
Infinite Linear Programming
up vote 3 down vote favorite
I'm trying to prove optimality for a continuous linear program. That is, I have a linear program with an uncountable number of variables and constraints. I'm not sure how to demonstrate feasibility
of a solution in the primal in this domain.
Here's an example bas... | {"url":"http://mathoverflow.net/questions/70174/infinite-linear-programming","timestamp":"2014-04-18T18:34:20Z","content_type":null,"content_length":"48720","record_id":"<urn:uuid:74cb9f78-a3b1-4b29-a2c8-2ef09db09410>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00281-ip-10-147-4-33.... |
What's normal about a 6-minute walk?
What’s normal about a 6-minute walk?
The distance attained during a 6-minute walk (6MWD) has been used extensively to assess the functional capacity of patients with a variety of diseases and conditions. It is relatively easy to perform
and requires a minimum of equipment. Changes i... | {"url":"http://www.pftforum.com/blog/whats-normal-about-a-6-minute-walk/","timestamp":"2014-04-20T08:14:58Z","content_type":null,"content_length":"33597","record_id":"<urn:uuid:b9269c48-70d9-4bba-9e53-e65c4ea12aba>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00596-ip-10-147-4-33.ec2... |
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Matrix help!
• one year ago
• one year ago
Your question i... | {"url":"http://openstudy.com/updates/517142e8e4b0aca440dfda42","timestamp":"2014-04-20T11:20:56Z","content_type":null,"content_length":"68295","record_id":"<urn:uuid:8943a1d8-e544-4bcc-a7f0-c8e023852526>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00181-ip-10-147-4-33.ec2.internal.... |
West Covina Algebra 1 Tutor
Find a West Covina Algebra 1 Tutor
...My interests include: Psychiatry, Communications, Public speaking, presentations, essay/document editing, proofreading. During my spare time, I enjoy hiking, running, walking my dogs and trying
new food. In my hospital job, I work as a clinical pharm... | {"url":"http://www.purplemath.com/West_Covina_algebra_1_tutors.php","timestamp":"2014-04-20T08:49:15Z","content_type":null,"content_length":"24074","record_id":"<urn:uuid:1a317608-b2c4-435b-bfa9-f3eebc5f24c1>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00329-ip-10-147-4-33.ec2.inter... |
The biggest science breakthrough of
December 2006
The biggest science breakthrough of the year
The image says it all. When SCIENCE magazine declares that the proof of a theorem in mathematics is the breakthrough of the year in all of science, you know that something special has occurred.
We've had a double wait for thi... | {"url":"http://www.maa.org/external_archive/devlin/devlin_12_06.html","timestamp":"2014-04-19T13:46:43Z","content_type":null,"content_length":"10369","record_id":"<urn:uuid:82207a44-5c3c-460e-b23e-ca598a7910b1>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00090-ip-10-147-4-33.ec2.in... |
A Reappraisal of Online Mathematics Teaching Using LaTeX
The mathematics language LaTeX is often seen outside of academic circles as a legacy technology that is awkward to use. MathML - a verbose language designed for data-exchange, and to be written and
understood by machines - is sometimes by contrast seen as somethi... | {"url":"http://online-journals.org/i-jet/article/view/970","timestamp":"2014-04-18T21:02:50Z","content_type":null,"content_length":"21438","record_id":"<urn:uuid:1d0ddd18-f383-4ca3-be25-38c3735c4e52>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00151-ip-10-147-4-33.ec2.internal.warc... |
the first resource for mathematics
The survey is on hyperbolic analysis with the emphasis on its algebraic geometry aspects. It can serve as an excellent introduction to the subject not pretending completeness but reflecting the main
ideas including those which appeared at the last decade (after Kobayashi’s survey, 197... | {"url":"http://zbmath.org/?format=complete&q=an:0602.14019","timestamp":"2014-04-18T00:24:48Z","content_type":null,"content_length":"24252","record_id":"<urn:uuid:785f1c4f-5cda-488e-aeee-d622a895868c>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00498-ip-10-147-4-33.ec2.internal.war... |
The DCEL Data Structure for 3D Graphics
Ryan Holmes
What is a DCEL?
DCEL stands for Doubly-Connected Edge List. A DCEL is a data structure for efficiently storing topological information about a 2D surface (Possibly located in 3D space). The surfaces so represented
are usually considered to be equivalent to planar subd... | {"url":"http://www.holmes3d.net/graphics/dcel/","timestamp":"2014-04-17T10:11:22Z","content_type":null,"content_length":"30531","record_id":"<urn:uuid:411a26e9-cdc5-46af-b18d-91063d1734e3>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00494-ip-10-147-4-33.ec2.internal.warc.gz"} |
Calculating a square root using exponentiation (**)
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Calculating a square root using exponentiation (**)
This is really a math question rather than a Python question, and I feel very dense for not being able to figu... | {"url":"http://forums.devshed.com/python-programming-11/calculating-square-root-using-exponentiation-934206.html","timestamp":"2014-04-19T12:54:15Z","content_type":null,"content_length":"53389","record_id":"<urn:uuid:a4b78aa8-4191-4251-b9e2-a3d50b1fad3b>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAI... |
Cohesive $\infty$-Toposes
Presentation over a site
Structures in a cohesive $(\infty,1)$-topos
structures in a cohesive (∞,1)-topos
Structures with infinitesimal cohesion
infinitesimal cohesion?
Formal context
A supergroupoid is a 1-truncated super ∞-groupoid.
• For $\mathfrak{g}$ a super Lie algebra and $X$ a smooth... | {"url":"http://ncatlab.org/nlab/show/super-groupoid","timestamp":"2014-04-16T21:55:58Z","content_type":null,"content_length":"29426","record_id":"<urn:uuid:7603f87c-b485-42f6-966c-a3ee45e8b760>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00012-ip-10-147-4-33.ec2.internal.warc.gz"} |
Chapter 5
The Central Limit Theorem
Back to List | Introduction | Background | Analysis | Simulation | Exercises
The text has told you about the Central Limit Theorem and how important its use is in the field of statistics. At this point you may not fully u... | {"url":"http://occawlonline.pearsoned.com/bookbind/pubbooks/triolaessentials/chapter5/essay1/deluxe-content.html","timestamp":"2014-04-18T16:08:07Z","content_type":null,"content_length":"20766","record_id":"<urn:uuid:c6311c8d-8354-4345-af37-68ce426e6f79>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAI... |
Mplus Discussion >> BIC vs. LRT and singularity
Gareth posted on Wednesday, August 26, 2009 - 2:30 am
I am using both BIC and LRT to help me decide the number of latent classes in a GMM, following the Nylund paper.
#, BIC, LMR-LRT
2 63157.780 0.2544
3 62329.038 0.2567
4 61835.977 0.6700
5 61649.647 0.0112
6 61488.656 0... | {"url":"http://www.statmodel.com/cgi-bin/discus/discus.cgi?pg=next&topic=13&page=4614","timestamp":"2014-04-20T12:32:27Z","content_type":null,"content_length":"24095","record_id":"<urn:uuid:31e8b814-c0fa-4a22-9350-403a0a27da70>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00122-ip-1... |
Cresskill Geometry Tutor
Find a Cresskill Geometry Tutor
...This allowed me to get very familiar with the subject, even if I did not win any awards in this specific category. I also taught a classroom lesson in this course as a substitute for my teacher
who was out of town for 2 days. Geometry can be a little trick... | {"url":"http://www.purplemath.com/Cresskill_Geometry_tutors.php","timestamp":"2014-04-18T05:53:51Z","content_type":null,"content_length":"24021","record_id":"<urn:uuid:8882bab6-fcbb-48a2-941b-9d4ec06fbbf2>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00249-ip-10-147-4-33.ec2.interna... |