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Data Structure: Uniqueness in lists
up vote 2 down vote favorite
i have 2 lists,one list l1 contains n1 elements and another list l2 contains n2 elements.Both lists are not the same length and contain duplicate elements.I want to create another list which has
unique elements from both l1 and l2.How can i do this effici... | {"url":"http://stackoverflow.com/questions/4071271/data-structure-uniqueness-in-lists","timestamp":"2014-04-20T11:04:22Z","content_type":null,"content_length":"89527","record_id":"<urn:uuid:9900fdb8-6317-498a-b9c0-73d7f068aafe>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00467-ip-1... |
Red Herrings, Cats and Pigeons at WUWT
Hold the front page, Doug Keenan has a confession from the Met Office that “statistically significant temperature rise can’t be supported”.
In a long post, more concerned with the details of which minister would not answer which parliamentary question than the statistics, Keenan g... | {"url":"http://quantpalaeo.wordpress.com/2013/05/27/red-herrings-cats-and-pigeons-at-wuwt/","timestamp":"2014-04-18T08:02:48Z","content_type":null,"content_length":"137292","record_id":"<urn:uuid:fc8cf76a-aef3-4d40-aca0-47bb0a026b80>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00141... |
THE Lyman Alpha Forest in the Spectra of QSOs - M. Rauch
Annu. Rev. Astron. Astrophys. 1998. 36: 267-316
Copyright © 1998 by . All rights reserved
3.4. The Column Density Distribution
In absorption line studies, the column density distribution function (CDDF), i.e., the number of absorbers in a given column densi... | {"url":"http://ned.ipac.caltech.edu/level5/Sept01/Rauch/Rauch3_4.html","timestamp":"2014-04-18T15:45:33Z","content_type":null,"content_length":"8330","record_id":"<urn:uuid:9d5b8ec2-55a0-4194-9df0-6f680bca2a65>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00120-ip-10-147-4-33.ec2.in... |
Ron Schuler's Parlour Tricks
Homework Assignment
George Dantzig, who, as an advisor to the U.S. Defense Department in 1947, introduced the "simplex method" of optimizing linear programming, initially in dealing with logistical issues but ultimately
in the creation of computer programs, was born on this day in 1914 in... | {"url":"http://rsparlourtricks.blogspot.com/2006/11/homework-assignment.html","timestamp":"2014-04-18T10:42:18Z","content_type":null,"content_length":"23300","record_id":"<urn:uuid:66256b74-b9cf-40c5-ba04-c036df60aecf>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00444-ip-10-147-4-3... |
Cases Where the Newton-Raphson Method Fails
Date: 06/30/2005 at 12:25:31
From: Ola
Subject: what are the problems with the Newton Raphson method
The Newton Raphson method works with certain equations, like
f(x) = x^5 - 5x + 3, where a tangent is drawn and it is to find the
root of the line between the interval. But it... | {"url":"http://mathforum.org/library/drmath/view/66997.html","timestamp":"2014-04-20T04:12:18Z","content_type":null,"content_length":"6669","record_id":"<urn:uuid:ab4b70a1-43c7-4258-8530-285b4a11dd90>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00544-ip-10-147-4-33.ec2.internal.war... |
The Basic Practice of Statistics 5th Edition Chapter 3 Solutions | Chegg.com
We are to sketch a density curve that is symmetric with 2 peaks. This is an approximate shape that satisfies the requirement.
The curve has 2 peaks. The dotted line represents the line (axis) of symmetry. If we were to fold this shape in half ... | {"url":"http://www.chegg.com/homework-help/the-basic-practice-of-statistics-5th-edition-chapter-3-solutions-9781429224253","timestamp":"2014-04-20T12:20:07Z","content_type":null,"content_length":"38869","record_id":"<urn:uuid:27fc39a7-cdd1-4741-be59-c2efa1f6e25b>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/wa... |
which fraction is smaller, -2/7 or -1/3? ty
Re: which fraction is smaller, -2/7 or -1/3? ty
You should notice that in post#1 you have written
and in post #3 you have
these are not the same, that is why I asked.
This one is in a form we can solve for
Add 2 / 3 to both sides.
Do you follow this so far? Are you familiar w... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=203832","timestamp":"2014-04-21T05:37:44Z","content_type":null,"content_length":"14212","record_id":"<urn:uuid:4860957e-6f1f-4acc-be14-862b922d3335>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00439-ip-10-147-4-33.ec2.internal... |
Astromart Reviews - Practical Astronomy with your Calculator or Spreadsheet, 4th ed.
Home > Reviews > Accessories > Books/Periodicals > Practical Astronomy with your Calculator or Spreadsheet, 4th ed.
Practical Astronomy with your Calculator or Spreadsheet, 4th ed.
By Michael Coren - 11/6/2011
Practical Astronomy with ... | {"url":"http://www.astromart.com/articles/article.asp?article_id=838","timestamp":"2014-04-20T10:55:00Z","content_type":null,"content_length":"31497","record_id":"<urn:uuid:810d6ffb-8b8e-4251-bbb4-4bb69bdeb73c>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00200-ip-10-147-4-33.ec2.in... |
Efficient Computation of Gapped Substring Kernels on Large Alphabets
Juho Rousu and John Shawe-Taylor
Journal of Machine Learning Research 2004.
We present a sparse dynamic programming algorithm that, given two strings $s,t$, a gap penalty $\lambda$, and an integer $p$, computes the value of the gap-weighted length-$p$... | {"url":"http://eprints.pascal-network.org/archive/00000335/","timestamp":"2014-04-20T10:49:32Z","content_type":null,"content_length":"7944","record_id":"<urn:uuid:2a6b19a2-44f4-4bc0-90ef-2af8cb218c2d>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00605-ip-10-147-4-33.ec2.internal.war... |
Robust Multihop Localization for Wireless Sensor Networks with Unreliable Beacons
International Journal of Distributed Sensor Networks
Volume 2012 (2012), Article ID 972101, 13 pages
Research Article
Robust Multihop Localization for Wireless Sensor Networks with Unreliable Beacons
School of Instrumentation Science and ... | {"url":"http://www.hindawi.com/journals/ijdsn/2012/972101/","timestamp":"2014-04-16T22:37:05Z","content_type":null,"content_length":"393973","record_id":"<urn:uuid:fceaed00-9829-4b4a-bec7-0f3fe3ce32a6>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00597-ip-10-147-4-33.ec2.internal.war... |
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Please help... Will givemedel to best anwser Write the functio... | {"url":"http://openstudy.com/updates/50797849e4b0ed1dac512fd5","timestamp":"2014-04-18T16:07:45Z","content_type":null,"content_length":"48274","record_id":"<urn:uuid:05567b56-90a2-457d-9dca-bfd2027b7656>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00144-ip-10-147-4-33.ec2.internal.... |
Antenna Array Design for LOS-MIMO and Gigabit Ethernet Switch-Based Gbps Radio System
International Journal of Antennas and Propagation
Volume 2012 (2012), Article ID 920624, 10 pages
Research Article
Antenna Array Design for LOS-MIMO and Gigabit Ethernet Switch-Based Gbps Radio System
^1Department of Electronic Engine... | {"url":"http://www.hindawi.com/journals/ijap/2012/920624/","timestamp":"2014-04-20T05:03:52Z","content_type":null,"content_length":"319021","record_id":"<urn:uuid:2d5f89ae-4415-4b91-b33f-8328b0e0014b>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00354-ip-10-147-4-33.ec2.internal.war... |
I get two answers for this logarithm, but there is only one.
August 14th 2009, 02:17 AM #1
I get two answers for this logarithm, but there is only one.
I don't know which calculator you use, but to get the value of this quotient you must put the numerator into brackets:
x = (ln(200) - 2*ln(4))/(ln(4)) = (ln(200... | {"url":"http://mathhelpforum.com/algebra/98012-i-get-two-answers-logarithm-but-there-only-one.html","timestamp":"2014-04-18T11:31:37Z","content_type":null,"content_length":"42385","record_id":"<urn:uuid:85461133-12fb-4d31-99f2-2c1ccb95550c>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-201404160052... |
Fords Precalculus Tutor
Find a Fords Precalculus Tutor
...I've been teaching math including linear algebra for 10 years. I've completed two courses in Linear Algebra, one as undergrad and the other as grad student with A-. This Fall I will be
conducting supplemental instruction sessions in Linear Algebra at MSU. I'... | {"url":"http://www.purplemath.com/fords_precalculus_tutors.php","timestamp":"2014-04-21T04:39:17Z","content_type":null,"content_length":"23943","record_id":"<urn:uuid:b4c8800c-7fb0-4c1a-99be-914e85c71563>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00288-ip-10-147-4-33.ec2.internal... |
Inequalities with a modulus
November 24th 2009, 09:48 PM #1
Nov 2009
Inequalities with a modulus
hi, how can i work out the values of x for this inequality please, |x/(x-2)| > |1/(x+1)|
the most confusing thing is that both parts are being divided.
Hello cpj
This is an awkward, 'bitty' sort of quest... | {"url":"http://mathhelpforum.com/algebra/116621-inequalities-modulus.html","timestamp":"2014-04-18T19:52:50Z","content_type":null,"content_length":"41684","record_id":"<urn:uuid:22945827-6a45-4ca7-a44c-5f47c7b1a609>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00368-ip-10-147-4-33.ec... |
Une s'emantique cat'egorique des types d'ependants. Application au calcul des constructions. Th`ese de doctorat, Universit'e de Paris VII
- Semantics and Logics of Computation , 1997
"... ion is written as [x: oe]M instead of x: oe:M and application is written M(N) instead of App [x:oe] (M; N ). 1 Iterated abstractions... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2416165","timestamp":"2014-04-19T00:19:03Z","content_type":null,"content_length":"25287","record_id":"<urn:uuid:c39aa708-c2ad-44d6-9bf3-3d3f350f25ba>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00074-ip-10-147-4-33.ec2.internal.wa... |
Fords Precalculus Tutor
Find a Fords Precalculus Tutor
...I've been teaching math including linear algebra for 10 years. I've completed two courses in Linear Algebra, one as undergrad and the other as grad student with A-. This Fall I will be
conducting supplemental instruction sessions in Linear Algebra at MSU. I'... | {"url":"http://www.purplemath.com/fords_precalculus_tutors.php","timestamp":"2014-04-21T04:39:17Z","content_type":null,"content_length":"23943","record_id":"<urn:uuid:b4c8800c-7fb0-4c1a-99be-914e85c71563>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00288-ip-10-147-4-33.ec2.internal.... |
Summary: ARITHMETIC TORELLI MAPS FOR CUBIC SURFACES AND
ABSTRACT. It has long been known that to a complex cubic surface or threefold
one can canonically associate a principally polarized abelian variety. We give a
construction which works for cubics over an arithmetic base. This answers, away
from the prime 2, an old ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/094/3142431.html","timestamp":"2014-04-20T16:51:23Z","content_type":null,"content_length":"8296","record_id":"<urn:uuid:6a9b1c67-accd-4894-89f3-f42194454536>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00118-ip-10-147-... |
The Differential in Matlab
In this activity we present a visualization of the differential of a function `f:R^2\to R`. We begin by first reviewing the differential from single variable calculus.
The Differential in Single Variable Calculus
Newton's notation for the first derivative is `f'(x)`. Leibniz adopted the notat... | {"url":"http://msemac.redwoods.edu/~darnold/math50c/matlab/differential/index.xhtml","timestamp":"2014-04-17T21:24:09Z","content_type":null,"content_length":"17092","record_id":"<urn:uuid:4624a679-cc0e-47a8-b9e1-61ca37632c1f>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00452-ip-10-... |
RE: st: IRT with GLLAMM
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RE: st: IRT with GLLAMM
From "Verkuilen, Jay" <JVerkuilen@gc.cuny.edu>
To <statalist@hsphsun2.harvard.edu>
Subject RE: st: IRT with GLLAMM
Date Mon, 16 Mar 2009 12:22:57 -0400
Jean-Benoit Hardouin wrote:
I just... | {"url":"http://www.stata.com/statalist/archive/2009-03/msg00814.html","timestamp":"2014-04-16T11:16:22Z","content_type":null,"content_length":"9583","record_id":"<urn:uuid:93125023-c993-459d-b0e1-0448dd2fd35a>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00329-ip-10-147-4-33.ec2.inte... |
Lexington, MA Science Tutor
Find a Lexington, MA Science Tutor
...Understanding algebra means learning to recognize patterns and build solutions using a variety techniques. I am a strong advocate of Khan Academy where the student learns the lessons as
homework and works with the tutor on solving problems. This is d... | {"url":"http://www.purplemath.com/lexington_ma_science_tutors.php","timestamp":"2014-04-21T02:34:47Z","content_type":null,"content_length":"24243","record_id":"<urn:uuid:f053ff08-30c9-4ef0-b9ef-1adfd6eea9eb>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00070-ip-10-147-4-33.ec2.inter... |
Category: P.B.L.
GSDMC and Related Ruminations
0 Comments
A friend/co-worker, Andrew, and I hosted a workshop at Greater San Diego Math Council's Annual Conference this past weekend. We titled the workshop "Rich Mathematics Through Project-Based Learning,"
but rather than attempt to give a "here is how you do PBL" work... | {"url":"http://www.doingmathematics.com/2/category/pbl86e1e003b3/1.html","timestamp":"2014-04-19T07:01:04Z","content_type":null,"content_length":"57254","record_id":"<urn:uuid:0b18e3e1-d31a-4ff1-9923-35754c32ba46>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00611-ip-10-147-4-33.ec2... |
Language (Subsystem of AIMA Code)
The language subsystem covers the natural language processing code from Chapters 22 and 23 of the book. The main parsing function is chart-parse, but it returns a chart, which is not very useful in
itself, so most of the test examples call chart-parses, which returns a list of parses f... | {"url":"http://www.cs.berkeley.edu/~russell/aima/lisp/doc/overview-LANGUAGE.html","timestamp":"2014-04-18T18:54:12Z","content_type":null,"content_length":"14223","record_id":"<urn:uuid:d5e2a3f6-caa1-4d25-aa4b-3d5ebd887c02>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00063-ip-10-147-... |
Learn to Solve Single Variable Linear Equations
In keeping with my new years resolution of making this site more accessible to my nieces and nephews, I’ve added a script that generates random single variable linear equations that ask the user to
solve for x. The script also has a “Compute” button that will give the ans... | {"url":"http://learninglover.com/blog/?p=364","timestamp":"2014-04-17T10:18:18Z","content_type":null,"content_length":"39878","record_id":"<urn:uuid:70fe2877-2d16-47cd-a5b6-1460adcc198b>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00527-ip-10-147-4-33.ec2.internal.warc.gz"} |
What Every Programmer Should Know About Floating-Point Arithmetic
12020804 story
Posted by
from the gaining-understanding-bit-by-bit dept.
-brazil- writes
"Every programmer forum gets a steady stream of novice questions about numbers not 'adding up.' Apart from repetitive explanations, SOP is to link to a paper by D... | {"url":"http://developers.slashdot.org/story/10/05/02/1427214/what-every-programmer-should-know-about-floating-point-arithmetic?sdsrc=next","timestamp":"2014-04-16T22:47:35Z","content_type":null,"content_length":"313201","record_id":"<urn:uuid:54ed3cc2-a35d-478c-b164-2b040731b1a8>","cc-path":"CC-MAIN-2014-15/segments/1... |
Bayesian Model Averaging And Model Selection For Markov Equivalence Classes Of Acyclic Digraphs
Results 1 - 10 of 29
- Machine Learning , 2000
"... Abstract. In many multivariate domains, we are interested in analyzing the dependency structure of the underlying distribution, e.g., whether two variables are in direct in... | {"url":"http://citeseerx.ist.psu.edu/showciting?doi=10.1.1.30.7300","timestamp":"2014-04-18T06:47:51Z","content_type":null,"content_length":"40953","record_id":"<urn:uuid:6badca82-3862-4b52-afbe-096b9e7d16c6>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00131-ip-10-147-4-33.ec2.inte... |
Binomial distribution.
Hey Guys, I need some more help here.
Im not sure how to solve this question:
It is known in the ice cream industry that 38% of people have chocolate as their favorite flavor ice cream.
Let X be the number of people in a sample of 10 who say chocolate is their favourite ice-cream ... | {"url":"http://mathhelpforum.com/statistics/177770-binomial-distribution.html","timestamp":"2014-04-16T17:54:49Z","content_type":null,"content_length":"46728","record_id":"<urn:uuid:d05e1e6f-6357-4d94-8dc6-02b5e4213aa3>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00638-ip-10-147-4-... |
Quantum physicist explains $100K offer for proof scaled-up quantum computing is impossible
Scott Aaronson
(PhysOrg.com) -- MIT researcher Scott Aaronson has certainly riled the physics community with his offer this past Friday, of $100,000 to anyone who can prove that scaled-up quantum computing is
impossible. His orig... | {"url":"http://phys.org/news/2012-02-quantum-physicist-100k-proof-scaled-up.html","timestamp":"2014-04-16T17:08:39Z","content_type":null,"content_length":"123738","record_id":"<urn:uuid:662c3806-26ef-400b-a433-bd073bc098e0>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00003-ip-10-14... |
Programming Help
09-30-2004, 05:47 PM #1
Registered User
Join Date
Sep 2004
Orlando, FL
Hey everyone, I have a JAVA program due tomorrow and I'm soo stressed out with it. I've been working on it for hours now and have like nothing to show for it, if anyone could help me that would
be AWESOME! here is th... | {"url":"http://forums.devx.com/showthread.php?134416-Programming-Help&p=396973&mode=linear","timestamp":"2014-04-21T03:14:15Z","content_type":null,"content_length":"54964","record_id":"<urn:uuid:cc3c5105-2b55-4448-83d9-04617c4f18ff>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00030... |
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Here's the question you clicked on:
Suppose that 2 defective refrigerators have been included in a... | {"url":"http://openstudy.com/updates/50ecdb13e4b0d4a537ccfc46","timestamp":"2014-04-17T01:36:19Z","content_type":null,"content_length":"27777","record_id":"<urn:uuid:92091ab1-967c-4c2b-9f21-bd7145558e6b>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00320-ip-10-147-4-33.ec2.internal.w... |
Need help solving two stochastic differential equations
November 22nd 2011, 02:00 AM
Need help solving two stochastic differential equations
Hello, I'm new here, so I guess I should introduce myself. I'm a student at a math. finance course. We have some homework where we have to solve two stochastic differential eq... | {"url":"http://mathhelpforum.com/advanced-statistics/192462-need-help-solving-two-stochastic-differential-equations-print.html","timestamp":"2014-04-20T12:32:59Z","content_type":null,"content_length":"6769","record_id":"<urn:uuid:680b70d5-0911-43a0-9a28-b138578ecd82>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.1... |
Results 1 - 10 of 11
, 1986
"... [LEC-67] linear time serial algorithm for testing planarity of graphs uses the linear time serial algorithm of [ET-76] for st-numbering. This st-numbering algorithm is based on depth-first
search (DFS). A known conjecture states that DFS, which is a key technique in designing serial alg... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=127037","timestamp":"2014-04-21T16:14:26Z","content_type":null,"content_length":"35510","record_id":"<urn:uuid:1581a6e0-2843-4987-961a-387196bb3e33>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00429-ip-10-147-4-33.ec2.internal.war... |
Foreign Exchange Arbitrage
exploits a price difference between two or more markets to make money with zero risk.
Sporting bets are perhaps the easiest example. Given a sporting event with two possible outcomes you look for an opportunity where two book makers give slightly different odds and try to expoit it.
For examp... | {"url":"http://www.fatvat.co.uk/2010/07/foreign-exchange-arbitrage.html","timestamp":"2014-04-19T06:53:20Z","content_type":null,"content_length":"81638","record_id":"<urn:uuid:26e39b41-5701-40ec-bc3d-400fa4b4b628>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00526-ip-10-147-4-33.ec2... |
Programming the Finite Element Method, 4th Edition
Programming the Finite Element Method, 4th Edition
ISBN: 978-0-470-01124-9
646 pages
June 2005
This title demonstrates how to develop computer programmes which solve specific engineering problems using the finite element method. It enables students, scientists and eng... | {"url":"http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470011246.html","timestamp":"2014-04-19T20:11:46Z","content_type":null,"content_length":"62538","record_id":"<urn:uuid:a4ede675-c201-4873-8347-401689264e53>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00389-ip-10-147-4-33.... |
Is Guillou-Quisquater existentially unforgeable against adaptive message attack under a random oracle model?
up vote 0 down vote favorite
First of all, the Guillou-Quisquater digital signature scheme is:
Note everything is $\bmod n$. Message is denoted by $m$.
Private key: $s$
Public key: Hash function $H$,... | {"url":"https://mathoverflow.net/questions/122664/is-guillou-quisquater-existentially-unforgeable-against-adaptive-message-attack","timestamp":"2014-04-21T05:08:43Z","content_type":null,"content_length":"46466","record_id":"<urn:uuid:07ecc17c-8485-4e8c-b184-8b3e258b01df>","cc-path":"CC-MAIN-2014-15/segments/13976095394... |
Matter density perturbations
8.1 Matter density perturbations
Let us consider the perturbations of non-relativistic matter with the background energy density 6.17) and (6.18) give where in the second line we have used the continuity equation, 6.32), i.e. obeys
the following equation from Eqs. (8.86) and (8.87): where
I... | {"url":"http://relativity.livingreviews.org/Articles/lrr-2010-3/articlesu18.html","timestamp":"2014-04-19T19:36:39Z","content_type":null,"content_length":"55372","record_id":"<urn:uuid:8577925e-af5b-44a0-92fa-74e77f6efbb0>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00050-ip-10-147-... |
st: RE: RE: Histogram, by(var, total)
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st: RE: RE: Histogram, by(var, total)
From "Nick Cox" <n.j.cox@durham.ac.uk>
To <statalist@hsphsun2.harvard.edu>
Subject st: RE: RE: Histogram, by(var, total)
Date Mon, 8 Jun 2009 10:29:05 +0100
I... | {"url":"http://www.stata.com/statalist/archive/2009-06/msg00243.html","timestamp":"2014-04-20T19:23:23Z","content_type":null,"content_length":"8871","record_id":"<urn:uuid:25f66ddd-23a3-4152-95b5-9c7c925ecb44>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00070-ip-10-147-4-33.ec2.int... |
Dangerous Jumping Calculator
Maybe this could fall under my “physics of parkour”. It could also apply to the MythBusters “dumpster diving” episode. In both of these cases, the question is: how far can you jump off of something
and not severely hurt yourself. They do this a lot in parkour. Here are some examples:
There ... | {"url":"http://scienceblogs.com/dotphysics/2009/12/16/dangerous-jumping-calculator/","timestamp":"2014-04-16T13:47:45Z","content_type":null,"content_length":"75487","record_id":"<urn:uuid:66f8f7d5-3c18-4421-87a5-83d15a8610b3>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00424-ip-10-... |
Logical Equivalences and Boolean Algebra
February 4th 2013, 02:06 PM #1
Junior Member
Nov 2012
Logical Equivalences and Boolean Algebra
I have been trying to work around the following question, but can't seem to get it right.
(P ^ ¬Q) V (¬P ^ Q) <=> ¬(P ^ Q) ^ (P VQ)
Any help is highly appreciated.
... | {"url":"http://mathhelpforum.com/discrete-math/212568-logical-equivalences-boolean-algebra.html","timestamp":"2014-04-20T15:02:13Z","content_type":null,"content_length":"49096","record_id":"<urn:uuid:e98984a8-09eb-4c08-b8c0-0c51b0be78c6>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-... |
Math Forum Discussions
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Topic: coloring individual hexagons in a grid...
Replies: 0
coloring individual hexagons in a grid...
Posted... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2398577&messageID=7876058","timestamp":"2014-04-20T16:25:44Z","content_type":null,"content_length":"14010","record_id":"<urn:uuid:2a46b461-73cc-4dea-8d1f-071275eeb8f9>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00343-ip-10-147-4... |
Message Board Basketball Forum - InsideHoops - View Single Post - Brain Teasers and Riddles
In an island there are 2 type of people, knaves and knights. Knaves always lie, and knights always tell the truth.
You encounter 2 people. Person A and Person B.
A: "I'm a knave or B is a knight".
B doesn't say anything.
Determi... | {"url":"http://www.insidehoops.com/forum/showpost.php?p=4241581&postcount=11","timestamp":"2014-04-17T04:27:53Z","content_type":null,"content_length":"12692","record_id":"<urn:uuid:f9188e03-7279-46f4-bcd7-ed7772501f48>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00275-ip-10-147-4-3... |
Paul Bourke
October 28, 2002 11:22 PM Subscribe
Paul Bourke
of Auckland has an excellent set of
webpages for the kind of math you look at. Even if math
perplexes you
, his pages are still
quite pretty
and often make for
interesting reading
regardless. Every place I've worked between college and now, Paul has given me ... | {"url":"http://www.metafilter.com/21169/Paul-Bourke","timestamp":"2014-04-17T10:23:22Z","content_type":null,"content_length":"22281","record_id":"<urn:uuid:af2335d8-5576-45ba-b25e-b182b098ab04>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00632-ip-10-147-4-33.ec2.internal.warc.gz"} |
DifferentialAlgebra[ReducedForm] - computes reduced forms modulo regular differential chains
Calling Sequence
ReducedForm (p, ideal, opts)
ReducedForm (L, ideal, opts)
p - a differential polynomial
ideal - a differential polynomial ideal or ring
L - a list or a set of differ... | {"url":"http://www.maplesoft.com/support/help/Maple/view.aspx?path=DifferentialAlgebra/ReducedForm","timestamp":"2014-04-20T03:12:32Z","content_type":null,"content_length":"141499","record_id":"<urn:uuid:18d408f6-458e-48f3-8f47-cf190847514d>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005... |
Woolsey, GA Math Tutor
Find a Woolsey, GA Math Tutor
I am Georgia certified educator with 12+ years in teaching math. I have taught a wide range of comprehensive math for grades 6 through 12 and have experience prepping students for EOCT, CRCT, SAT
and ACT. Unlike many others who know the math content, I know how t... | {"url":"http://www.purplemath.com/Woolsey_GA_Math_tutors.php","timestamp":"2014-04-19T14:47:22Z","content_type":null,"content_length":"23883","record_id":"<urn:uuid:74f7b553-eda1-4f7f-9498-f7121fba97d9>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00214-ip-10-147-4-33.ec2.internal.wa... |
[Tutor] Why doesn't this work??
Daniel Yoo dyoo@hkn.EECS.Berkeley.EDU
Mon, 31 Jul 2000 16:40:23 -0700 (PDT)
On Mon, 31 Jul 2000, Deirdre Saoirse wrote:
> On Mon, 31 Jul 2000, Carl Kreider wrote:
> > I agree that 0, 20, 30, and 40 mod 10 yield 0, but since
> > when does 10, 50, or 60 mod 10 yield 10? Do I misremember
>... | {"url":"https://mail.python.org/pipermail/tutor/2000-August/001903.html","timestamp":"2014-04-17T11:09:19Z","content_type":null,"content_length":"2987","record_id":"<urn:uuid:5277a735-6efe-482a-bf63-e2461138b402>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00398-ip-10-147-4-33.ec2.... |
The Process Composition Monad
> The Process Composition Monad
The Process Composition Monad
Process Wiring
Process-oriented programming, as embodied in the CHP library, implements programs as parallel compositions of components. It’s a pleasantly recursive concept; the components themselves are usually
parallel composi... | {"url":"http://chplib.wordpress.com/2010/01/19/the-process-composition-monad/?like=1&_wpnonce=dee27eefe3","timestamp":"2014-04-21T02:01:25Z","content_type":null,"content_length":"64429","record_id":"<urn:uuid:afbc0214-c256-4516-9801-fcb0a3f50fd5>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-201404... |
[SOLVED] nth root in a simple calculator
May 16th 2010, 05:02 AM #1
May 2010
I came across this trick to find n th root of any number on a calculator that does not have nth root function or logs !! problem is I can't figure out why it works ...
To find : nth root of x.
take sqrt of 'x' 12 times. (i.e. t... | {"url":"http://mathhelpforum.com/calculus/144974-solved-nth-root-simple-calculator.html","timestamp":"2014-04-16T20:47:01Z","content_type":null,"content_length":"59102","record_id":"<urn:uuid:146ec853-9383-40f7-bc5b-da99b5e9d28f>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00420-ip... |
Unification of the Bernstein-type polynomials and their applications
In this paper, we investigate some new identities related to the unification of the Bernstein-type polynomials, Bernoulli polynomials, Euler numbers and Stirling numbers of the second kind. We also
give some remarks and applications of the Bernstein-t... | {"url":"http://www.boundaryvalueproblems.com/content/2013/1/56","timestamp":"2014-04-16T13:59:05Z","content_type":null,"content_length":"199730","record_id":"<urn:uuid:04369ac2-1ceb-4dc7-9c2b-76a4092df22b>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00135-ip-10-147-4-33.ec2.interna... |
Best climb angle/Best rate of climb - ATP Forum
Re: Best climb angle/Best rate of climb
Hi Jezz
I assume you'll be coming to the brush up where I spend some time on this particular subject.
If you can grasp the behaviour of the total drag curve and power required curve with changes in drag, altitude and temperature you... | {"url":"http://www.atpforum.eu/showthread.php?t=12342","timestamp":"2014-04-19T07:43:52Z","content_type":null,"content_length":"43343","record_id":"<urn:uuid:db3fc2a1-02bd-4f8a-80dd-1a207f2ba1e3>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00342-ip-10-147-4-33.ec2.internal.warc.gz"... |
domain/range help
February 12th 2010, 10:30 AM #1
Sep 2009
domain/range help
Hey guys!
I have 2 equations:
f(x) = sin x
g(x) = x^2 - x + 1
The question asks to find fg(x) and f/g(x) (and domain/range for each)
for fg(x) i got:
fg(x) = sin x^3 - sin x^2 + sin x
how would i find the do... | {"url":"http://mathhelpforum.com/trigonometry/128545-domain-range-help.html","timestamp":"2014-04-24T18:08:06Z","content_type":null,"content_length":"34131","record_id":"<urn:uuid:67ed61e4-38ab-4c05-a922-7d0beaf2990a>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00434-ip-10-147-4-33... |
Generalized Hyers-Ulam Stability of Quadratic Functional Inequality
Abstract and Applied Analysis
Volume 2013 (2013), Article ID 564923, 8 pages
Research Article
Generalized Hyers-Ulam Stability of Quadratic Functional Inequality
Department of Mathematics, Chungnam National University, 79 Daehangno, Yuseong-Gu, Daejeon... | {"url":"http://www.hindawi.com/journals/aaa/2013/564923/","timestamp":"2014-04-19T22:11:42Z","content_type":null,"content_length":"744732","record_id":"<urn:uuid:76d5af28-f2e6-49a8-aee8-28dcd80e8cf6>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00170-ip-10-147-4-33.ec2.internal.warc... |
How to set up the number of decimal place in HF
Dear All:
My HFM 11.1.2.2 does some strange thing in calculation.
I have some account/entity POV with
<Entity Currency> = 1000.00000000000000
<Entity Curr adjs> = - 1000.00000000000000
When HFM added them up
<Entity Curr Total> =0.00000000046566
It really distorted my cal... | {"url":"https://community.oracle.com/thread/2572821","timestamp":"2014-04-17T17:01:07Z","content_type":null,"content_length":"143301","record_id":"<urn:uuid:7e86fec7-16ce-4dca-9a61-16141796e257>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00229-ip-10-147-4-33.ec2.internal.warc.gz"} |
A jar contains 3 red, 4 blue, and 5 white marbles. What is the probability of drawing first a red and then, without replacement, a white marble? A.5/44 B.5/48 C.31/44
The best answer is A.5/44
Asked 11/1/2011 12:19:28 PM
0 Answers/Comments
Not a good answer? Get an answer now. (FREE)
There are no new answers. | {"url":"http://www.weegy.com/home.aspx?ConversationId=A19840F6","timestamp":"2014-04-17T19:01:22Z","content_type":null,"content_length":"38591","record_id":"<urn:uuid:5df28f1c-98fc-40b2-90a7-64852b4b316a>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00009-ip-10-147-4-33.ec2.internal.... |
Statistical measures of transfer functions in complex structures.
ASA 130th Meeting - St. Louis, MO - 1995 Nov 27 .. Dec 01
4pSA8. Statistical measures of transfer functions in complex structures.
Richard G. DeJong
Eng. Dept., Calvin College, Grand Rapids, MI 49546
The frequency response function of structures can be m... | {"url":"http://www.auditory.org/asamtgs/asa95stl/4pSA/4pSA8.html","timestamp":"2014-04-16T20:11:08Z","content_type":null,"content_length":"1773","record_id":"<urn:uuid:2727fd0a-07eb-40b3-a054-7b61826af910>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00524-ip-10-147-4-33.ec2.interna... |
how value of d is calculated in this equation
kindly help me to solve this equation how he calculated vlue of d to be 16.1
$RHS=0.022\times10^{-6}\times 3\times10^8=6.6$ Therefore, you have: $2\sqrt{\bigg(\dfrac{d}{2}\bigg)^2+8^2}-d= 6.6$ $2\sqrt{\bigg(\dfrac{d^2}{4}\bigg)+64}=6.6+d$ squaring both sides gives you: $\bi... | {"url":"http://mathhelpforum.com/algebra/172453-how-value-d-calculated-equation.html","timestamp":"2014-04-19T14:45:45Z","content_type":null,"content_length":"34221","record_id":"<urn:uuid:c7d628c9-7678-4b4e-88d7-0905fbca7920>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00083-ip-10... |
[SOLVED] Find equations of the tangent line...
March 12th 2009, 10:43 AM #1
[SOLVED] Find equations of the tangent line...
Find equations of the tangent line and normal line to the given curve at the specified point.
Y = 2xe^(x) , (0,0)
A tangent line is a straight line that touches a function at only one p... | {"url":"http://mathhelpforum.com/calculus/78386-solved-find-equations-tangent-line.html","timestamp":"2014-04-17T12:48:46Z","content_type":null,"content_length":"34915","record_id":"<urn:uuid:11a8e612-02d0-48db-8b15-297823f2938a>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00158-ip... |
Hyattsville Trigonometry Tutor
Find a Hyattsville Trigonometry Tutor
...And as a research scientist, I am a published author and have conducted research in nonlinear dynamics and ocean acoustics. My teaching focuses on understanding concepts, connecting different
concepts into a coherent whole and competency in pro... | {"url":"http://www.purplemath.com/Hyattsville_Trigonometry_tutors.php","timestamp":"2014-04-18T18:47:35Z","content_type":null,"content_length":"24524","record_id":"<urn:uuid:52597412-ea19-48a4-b330-b1d73e1b1cbc>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00159-ip-10-147-4-33.ec2.in... |
Elementary Dirichlet Series and Modular Forms
Both modular forms and Dirichlet series are central topics in number theory, and the connection between them is at the heart of many important recent results. Goro Shimura is a master of this
material, so one welcomes anything he writes, while also noting that he is notorio... | {"url":"http://www.maa.org/publications/maa-reviews/elementary-dirichlet-series-and-modular-forms","timestamp":"2014-04-16T14:16:36Z","content_type":null,"content_length":"98478","record_id":"<urn:uuid:4149b3b8-dac6-4ebc-91e4-e894d187026a>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-2014041600520... |
NEW: For a prettier blog interface, see the Wordpress version!
• First. You have to understand the problem.
• What is the unknown? What are the data? What is the condition?
• Is it possible to satisfy the condition? Is the condition sufficient to determine the unknown? Or is it insufficient? Or redundant? Or cont... | {"url":"http://sachachua.com/notebook/wiki/PolyaHowToSolveIt.php","timestamp":"2014-04-19T23:16:32Z","content_type":null,"content_length":"17678","record_id":"<urn:uuid:ebfe9a88-696a-47df-9767-df50c011e3e1>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00509-ip-10-147-4-33.ec2.intern... |
tangent & normal
October 21st 2008, 06:12 AM
tangent & normal
what's exactly a rigorous definition of
tangent & normal to a curve suitable in all cases?
I know its a dumb qusetion but I have problems
in using it for concepts of calculus.
October 21st 2008, 07:09 AM
the tangent line to a curve at a p... | {"url":"http://mathhelpforum.com/geometry/54905-tangent-normal-print.html","timestamp":"2014-04-20T22:08:31Z","content_type":null,"content_length":"9769","record_id":"<urn:uuid:ca91990d-5865-4455-b28b-6e5a9926b916>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00620-ip-10-147-4-33.ec... |
data Colour a Source
This type represents the human preception of colour. The a parameter is a numeric type used internally for the representation.
The Monoid instance allows one to add colours, but beware that adding colours can take you out of gamut. Consider using blend whenever possible.
ColourOps Colour
AffineSpac... | {"url":"http://hackage.haskell.org/package/colour-2.2.1/docs/Data-Colour-RGBSpace.html","timestamp":"2014-04-17T01:12:28Z","content_type":null,"content_length":"24930","record_id":"<urn:uuid:74bceacc-4cf4-40d4-9a90-a088f3693696>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00094-ip-... |
Pentax Total Station
Pentax Total Stations
Pentax R-300DNX Series
Pentax R-300X Series
Pentax R-300 Series
Pentax PCS-215
Pentax DA-020F
The Pentax total stations that are compatible with the LaserLynx software are older models. Although there are several repair facilities that used to work on the Pentax, most will not... | {"url":"http://usatfne.org/officials/electronic/pentax-total-station.html","timestamp":"2014-04-20T00:38:23Z","content_type":null,"content_length":"13717","record_id":"<urn:uuid:a79c6fa4-02a3-44f8-a4d6-cb8f1b9d2cc3>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00507-ip-10-147-4-33.ec... |
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Here's the question you clicked on:
if in the 9th grade and go to connection academy! HHHHEEEELLLP... | {"url":"http://openstudy.com/updates/50d0d71ce4b06d78e86dc6f3","timestamp":"2014-04-19T07:19:31Z","content_type":null,"content_length":"49188","record_id":"<urn:uuid:948aeaff-8908-4cd9-9240-b8b620dabaff>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00396-ip-10-147-4-33.ec2.internal.... |
MathGroup Archive: September 1992 [00033]
[Date Index] [Thread Index] [Author Index]
More Graphics
• To: mathgroup at yoda.physics.unc.edu
• Subject: More Graphics
• From: twj
• Date: Wed, 16 Sep 92 21:24:37 CDT
This is how graphics o... | {"url":"http://forums.wolfram.com/mathgroup/archive/1992/Sep/msg00033.html","timestamp":"2014-04-16T07:44:21Z","content_type":null,"content_length":"36476","record_id":"<urn:uuid:e0e25d96-620d-4a4a-828a-a8a007330734>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00083-ip-10-147-4-33.... |
Young Writers Society
Icefire63111 says...
Basically, I missed a week and a half of school. My uncle died, and my whole family was in Quebec. Can someone please help me with my math makeup work? I'm completely buried, and I need to study for
my History final this Friday...
PROBLEM 1!
A. Chris manages a clothing store. ... | {"url":"http://www.youngwriterssociety.com/viewtopic.php?f=63&t=65012","timestamp":"2014-04-18T23:16:47Z","content_type":null,"content_length":"26355","record_id":"<urn:uuid:79f1c78e-ee1d-412a-9836-efe9786bdb54>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00606-ip-10-147-4-33.ec2.in... |
Spindle design for knife gate valve
I have to assess the sizing of a spindle of a DN600 Knife gate valve.
The spindle is subjected to two sources of loading acting in both shear and tensile.
•Torque applied to the spindle.
•Resulting thrust from line pressure.
Known data:
Required thrust at 2 bar line pressure: F = 53.... | {"url":"http://www.physicsforums.com/showthread.php?p=4176348","timestamp":"2014-04-16T07:35:47Z","content_type":null,"content_length":"25820","record_id":"<urn:uuid:4cc265fc-7ce7-4220-bae3-64bbfe67ad24>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00531-ip-10-147-4-33.ec2.internal.... |
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The common water molecule is polar because
• one year ago
... | {"url":"http://openstudy.com/updates/5102d39be4b03186c3f8da40","timestamp":"2014-04-17T01:01:10Z","content_type":null,"content_length":"46237","record_id":"<urn:uuid:6a904075-280f-4c57-ae6c-1f099dd3d4d0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00493-ip-10-147-4-33.ec2.internal.w... |
Danboro Math Tutor
Find a Danboro Math Tutor
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utmost confidence in my ability to relate this material in a comprehensible ma... | {"url":"http://www.purplemath.com/danboro_pa_math_tutors.php","timestamp":"2014-04-20T13:31:39Z","content_type":null,"content_length":"23583","record_id":"<urn:uuid:f81984b3-7dcd-4704-b1f7-d8f56c4144a4>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00500-ip-10-147-4-33.ec2.internal.w... |
Uniform boundedness Theorem
June 17th 2009, 02:32 AM #1
Junior Member
Apr 2009
Uniform boundedness Theorem
Space c_0
let y= (eta_j), eta_j element of C (complex numbers) be such that
sum psi_i eta_j converges for every x=(psi_j0 element of c_0, where
c_0 contained in l^{\infty} is the subspace of al... | {"url":"http://mathhelpforum.com/differential-geometry/93095-uniform-boundedness-theorem.html","timestamp":"2014-04-17T11:10:50Z","content_type":null,"content_length":"36407","record_id":"<urn:uuid:16659e14-bce4-44fb-b2d3-55968b9ea4a8>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00... |
Inversion of the Debye-Wolf diffraction integral using an eigenfunction representation of the electric fields in the focal region
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Inversion of the Debye-Wolf diffraction integral using an eigenfunction representation of the electric fields in the focal region
Optics Express, Vol. 16, Issue 7, pp. 4... | {"url":"http://www.opticsinfobase.org/oe/fulltext.cfm?uri=oe-16-7-4901&id=156860","timestamp":"2014-04-21T02:18:06Z","content_type":null,"content_length":"398262","record_id":"<urn:uuid:74042458-db70-448a-88e4-b84d3fb18a98>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00236-ip-10-14... |
Our Right-Brained Multiplication & Division book is for children who are strongly visual, who learn all at once through pictures, are drawn to patterns, rely on body motions, and who need to
understand the process behind each math problem they solve. Child1st teaching and learning resources all follow the principle of ... | {"url":"http://child-1st.typepad.com/my_weblog/dyscalculic-learners/","timestamp":"2014-04-25T05:10:02Z","content_type":null,"content_length":"100307","record_id":"<urn:uuid:81fc1a5d-fdbb-4392-9f23-7fe71e273a3f>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00103-ip-10-147-4-33.ec2.i... |
[Numpy-discussion] Histograms via indirect index arrays
Norbert Nemec Norbert.Nemec.list at gmx.de
Thu Mar 30 06:14:17 CST 2006
Sorry, Travis, I missed your answer for a week...
I confess, my efficiency concerns about the histogram routine are to
some extent, of theoretical nature. However, given the widespread use of
... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2006-March/007262.html","timestamp":"2014-04-16T17:11:25Z","content_type":null,"content_length":"7405","record_id":"<urn:uuid:421f1f52-b167-4595-bdc9-a2ea1be2777b>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00205-ip-10-147-4-... |
Culver City Algebra 2 Tutor
...I believe that with proper studying methods and careful attention to detail, any student can and will improve their score. Thank youI graduated from Duke University, and I am going to attend UC
Davis School of Veterinary Medicine next fall. As part of the requirements to be considered... | {"url":"http://www.purplemath.com/culver_city_algebra_2_tutors.php","timestamp":"2014-04-20T01:52:09Z","content_type":null,"content_length":"24199","record_id":"<urn:uuid:d746d914-b2aa-4e2d-a1a1-545b9eab7b14>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00321-ip-10-147-4-33.ec2.inter... |
In RhinoScript, 3-D points are represented as zero-based, one-dimensional arrays that contain three numbers. These three number represent to the X, Y and Z coordinate values of the point.
A 3-D point can be constructed in a number of different ways. For example,
Dim arrPoint1, arrPoint2(2)
arrPoint1 = Array(1.0, 2.0, 3... | {"url":"http://4.rhino3d.com/5/rhinoscript/rhinoscript_fundamentals/points.htm","timestamp":"2014-04-21T10:05:05Z","content_type":null,"content_length":"4300","record_id":"<urn:uuid:b8eff138-0281-4e27-bcdb-1f75cd7258aa>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00067-ip-10-147-4-... |
Shear Force and Bending Moment Diagrams
From Wikiversity
This article is part of the solid mechanics course, aimed at engineering students. Please leave feedback in the discussion section above.
What is shear force?[edit]
Below a force of 10N is exerted at point A on a beam. This is an external force. However because t... | {"url":"https://en.wikiversity.org/wiki/Shear_Force_and_Bending_Moment_Diagrams","timestamp":"2014-04-16T19:08:30Z","content_type":null,"content_length":"45574","record_id":"<urn:uuid:370eb085-52a6-42a1-a5cd-da3361108409>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00032-ip-10-147-... |
One of the difficult aspects of the study of electronic music is the accurate description of the sounds used. With traditional music, there is a general understanding of what the instruments sound
like, so a simple notation of 'violin', or 'steel guitar' will convey enough of an aural image for study or performance. In... | {"url":"http://artsites.ucsc.edu/ems/music/tech_background/TE-11/teces_11.html","timestamp":"2014-04-16T08:12:47Z","content_type":null,"content_length":"15339","record_id":"<urn:uuid:bfa95f10-d0ee-4a7d-9253-d74e5c43fe77>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00116-ip-10-147-4... |
The Mind Blowing Odds Inside A Deck Of Cards
Want a quick way to feel unique? Want to do something that has most likely never been done before in the history of the planet? Ok simple, go shuffle a deck of cards real quick. The order that those
52 cards will end up in will be one possibility of 8.0658 X 10^67. Or to put... | {"url":"http://www.theboredninja.com/featured/the-mind-blowing-odds-inside-a-deck-of-cards/","timestamp":"2014-04-20T18:24:43Z","content_type":null,"content_length":"28806","record_id":"<urn:uuid:8de7ca1b-142b-4559-bb98-14275c2d9ec2>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-0011... |
Physics Forums - View Single Post - Nature of roots of quadratic equations
1. The problem statement, all variables and given/known data
The equation kx^2 - 3x + (k+2) = 0 has two distinct real roots. Find the set of possible values of k.
2. Relevant equations
Since the equation has two distinct real roots, b^2 - 4ac >... | {"url":"http://www.physicsforums.com/showpost.php?p=3660791&postcount=1","timestamp":"2014-04-19T17:31:25Z","content_type":null,"content_length":"9264","record_id":"<urn:uuid:45469c7f-b29a-4d7d-93ad-0178ac106094>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00573-ip-10-147-4-33.ec2.... |
Generators of the symmetric group
Generators of the symmetric group
(i[1] ...i[r])=(i[1]i[2])(i[2]i[3]) ...(i[r-1]i[r])
each cycle, and hence every element of S[n] , can be written as a product of transpositions. Thus S[n] is generated by its subset of transpositions (if this is empty, then n <= 1, and both S[ 1]= ... | {"url":"http://www.mathe2.uni-bayreuth.de/frib/html/book/hyl00_25.html","timestamp":"2014-04-16T14:16:58Z","content_type":null,"content_length":"5058","record_id":"<urn:uuid:3b1865e4-cfd4-456c-937d-814229fde8d7>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00032-ip-10-147-4-33.ec2.i... |
Is every topological (resp. Lie-) group the isometrygroup of a metric space (resp. Riemannian manifold)?
up vote 17 down vote favorite
The isometry group of a metric space is a topological group (with the compact open topology). The isometry group of a Riemann Manifold is a Liegroup. (Thm. of Steenrod-Myers)
So, is eve... | {"url":"http://mathoverflow.net/questions/123894/is-every-topological-resp-lie-group-the-isometrygroup-of-a-metric-space-res","timestamp":"2014-04-17T15:44:03Z","content_type":null,"content_length":"70721","record_id":"<urn:uuid:9bfcee2c-b818-4dcc-8ede-e4d357da8f44>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32... |
Kent, WA Algebra 1 Tutor
Find a Kent, WA Algebra 1 Tutor
...Regardless of the subject, I would say I am effective at recognizing patterns. I love sharing any shortcuts or tips that I discover.I have taken 2 quarters of Discrete Structures (Mathematics)
at University of Washington, Tacoma. I earned a 4.0 each quarte... | {"url":"http://www.purplemath.com/kent_wa_algebra_1_tutors.php","timestamp":"2014-04-16T16:20:01Z","content_type":null,"content_length":"23663","record_id":"<urn:uuid:609664dd-4aa7-46c5-a1e5-7c3a62a1e807>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00266-ip-10-147-4-33.ec2.internal... |
BekoC: Algorithms
The Fibonacci numbers are the sequence of numbers
defined by the linear recurrence equation
$$F_n = F_{n-1} + F_{n-2}$$
with $F_1 = F_2 = 1$, and conventionally defining $F_0 = 0$.
We can implement Fibonacci numbers by iteratively or by using recursion. These two functions are implemented in Matlab to... | {"url":"http://bekoc.blogspot.com/","timestamp":"2014-04-16T04:22:26Z","content_type":null,"content_length":"183846","record_id":"<urn:uuid:2325a479-5138-4b44-a18d-d3fc16d1d66e>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00333-ip-10-147-4-33.ec2.internal.warc.gz"} |
Smooth in codimension-k and the weight filtration
up vote 5 down vote favorite
Let $X$ be an algebraic variety. Then $H_{et}^k(X)$ has a filtration whose associated graded pieces are labeled by "weights", certain integers between $0$ and $2k$. If $X$ is smooth, then the weights
are between $k$ and $2k$.
If we know that... | {"url":"http://mathoverflow.net/questions/64550/smooth-in-codimension-k-and-the-weight-filtration","timestamp":"2014-04-17T09:51:23Z","content_type":null,"content_length":"71531","record_id":"<urn:uuid:2478aec8-fc97-4add-aeb7-367c4e621c85>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-2014041600520... |
Shortening a guitar string to one-third its initial length will change its natural frequency by what factor?
Asked by: elva b.
A guitar string, when stretched within its elastic limits, obeys the wave equation. A little analysis of the motion of elastic strings gives the equation:
v = sqrt(T/m)
Here, v is the speed of ... | {"url":"http://www.physlink.com/Education/AskExperts/ae632.cfm","timestamp":"2014-04-16T13:02:57Z","content_type":null,"content_length":"12395","record_id":"<urn:uuid:a12bf66c-f870-486a-bb14-b26cbc633db2>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00021-ip-10-147-4-33.ec2.internal.... |
Parametric Form for Equation of a Line
Date: 6/30/96 at 23:45:9
From: Anonymous
Subject: Parametric Form for Equation of a Line
Dr. Math, how can you convert an equation such as:
y = -3x/4 + 7/2
to parametric vector form?
In fact, how is it done generally?
Date: 7/1/96 at 7:37:40
From: Doctor Anthony
Subject: R... | {"url":"http://mathforum.org/library/drmath/view/52965.html","timestamp":"2014-04-19T20:20:27Z","content_type":null,"content_length":"6484","record_id":"<urn:uuid:f4b296e3-8248-43a8-a246-d559af120d06>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00252-ip-10-147-4-33.ec2.internal.war... |
On the Mixture of Distributions
The Annals of Mathematical Statistics
On the Mixture of Distributions
If $\mathcal{F} = \{F\}$ is a family of distribution functions and $\mu$ is a measure on a Borel Field of subsets of $\mathcal{F}$ with $\mu(\mathcal{F}) = 1$, then $\int F(\cdot) d\mu (F)$ is again
a distribution func... | {"url":"http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.aoms/1177705987","timestamp":"2014-04-18T18:12:39Z","content_type":null,"content_length":"27252","record_id":"<urn:uuid:11560c45-d949-4033-a994-e557c15415aa>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-2014041... |
Please can someone solve this PZX triangle for me and give your workings.
Thanks a million.
• Nautical/Maths - drwls, Friday, January 4, 2008 at 4:06am
I don't see why you have both M and (NM) following the length numbers. Are the dimensions meters, nanometers, miles of nautical miles? Your call.
After decidi... | {"url":"http://www.jiskha.com/display.cgi?id=1199436570","timestamp":"2014-04-18T07:41:09Z","content_type":null,"content_length":"14562","record_id":"<urn:uuid:ee1de2bb-f4db-4ec3-999f-076483ca214a>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00503-ip-10-147-4-33.ec2.internal.warc.g... |
A MapReduce Algorithm for Matrix Multiplication
We assume that the input files for A and B are streams of (key,value) pairs in sparse matrix format, where each key is a pair of indices (i,j) and each value is the corresponding matrix element
value. The output files for matrix C=A*B are in the same format.
We have the f... | {"url":"http://www.norstad.org/matrix-multiply/index.html","timestamp":"2014-04-19T01:47:14Z","content_type":null,"content_length":"26775","record_id":"<urn:uuid:a508b520-2949-4888-867f-ee1551f04e88>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00378-ip-10-147-4-33.ec2.internal.warc.... |
Analyzing A Resonator For MRI Applications
Magnetic-resonance-imaging (MRI) systems can produce high-resolution images of cross sections of human bodies, proving to be invaluable for medical diagnostics. An important component in an MRI
system is the RF probe used to emit a uniform RF magnetic field over the section of... | {"url":"http://mwrf.com/print/components/analyzing-resonator-mri-applications","timestamp":"2014-04-20T12:28:21Z","content_type":null,"content_length":"23140","record_id":"<urn:uuid:497cb929-e2ef-44b4-a866-b279cac45ef9>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00314-ip-10-147-4-... |
Heat loss through an insulated pipe
1. The problem statement, all variables and given/known data
A pipe of radius R is maintained at temperature T. It is covered in insulation and the insulated pipe has radius r. Assume all surfaces lose heat through Newton's law of cooling
[tex] \vec{J} = \vec{h} \Delta T[/tex], where... | {"url":"http://www.physicsforums.com/showthread.php?t=462667","timestamp":"2014-04-19T17:29:22Z","content_type":null,"content_length":"20735","record_id":"<urn:uuid:2cd67771-1cc9-4e91-873f-7d57e1ecdbac>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00371-ip-10-147-4-33.ec2.internal.w... |
Solving Two-step Equations - Concept
Equations can be tricky, and solving two step equations is an important step beyond solving equations in one step. Solving two-step equations will help introduce students to solving equations in
multiple steps, a skill necessary in Algebra I and II. To solve these types of equations... | {"url":"https://www.brightstorm.com/math/algebra/solving-equations/solving-two-step-equations/","timestamp":"2014-04-17T13:04:34Z","content_type":null,"content_length":"59134","record_id":"<urn:uuid:12c0d82a-ca28-4632-9792-309a14cfe35d>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-0... |
Forecasting Peaks of Seasonal Influenza Epidemics
We present a framework for near real-time forecast of influenza epidemics using a simulation optimization approach. The method combines an individual-based model and a simple root finding
optimization method for parameter estimation and forecasting. In this study, retro... | {"url":"http://currents.plos.org/outbreaks/article/forecasting-peaks-of-seasonal-influenza-epidemics/","timestamp":"2014-04-17T12:29:32Z","content_type":null,"content_length":"62810","record_id":"<urn:uuid:3659c198-0716-43e4-82eb-8d0417c6f702>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-201404160... |
Fencers Falter in Saber Maneuvers, Succumb by 14-13
A 6 to 3 triumph in the final event, the saber, paved the way to Yale's 14 to 13 upset victory over the Crimson fencers Saturday afternoon in New Haven. The visitors sported a 10 to 8 lead going into
the deciding matches but the Elis' rally overcame the Crimson advant... | {"url":"http://www.thecrimson.com/article/1948/3/15/fencers-falter-in-saber-maneuvers-succumb/","timestamp":"2014-04-21T02:08:57Z","content_type":null,"content_length":"17502","record_id":"<urn:uuid:122672ab-2213-4335-a282-4fda82a2436f>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-0... |
Results 1 - 10 of 224
- Reliable Computing , 2002
"... Nowadays, computations involve more and more operations and consequently errors. The limits of applicability of some numerical algorithms are now reached: for instance the theoretical stability
of a dense matrix factorization (LU or QR) is ensured under the assumpt... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=79877","timestamp":"2014-04-20T01:19:02Z","content_type":null,"content_length":"38511","record_id":"<urn:uuid:3f9e66fe-bf42-44a2-999a-d9c7b6eee64c>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00487-ip-10-147-4-33.ec2.internal.warc.... |
Complex Fraction!! Help please!!!
Number of results: 88,226
Can someone please help me with these problems? Please and thank you. 1)Solve the equation: (1/x)+[x/(x+2)]=1 2)Simplify the complex fraction: 3-(3/4) ------- (1/2)-(1/4) (1/x)+ [x/(x+2)] = 1 Convert
left side to the sum of fractional terms with common denomin... | {"url":"http://www.jiskha.com/search/index.cgi?query=Complex+Fraction!!+Help+please!!!","timestamp":"2014-04-16T18:37:13Z","content_type":null,"content_length":"38027","record_id":"<urn:uuid:0536912b-81eb-4b1e-8004-863af74233b9>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00101-ip-... |
Math Forum Discussions
- User Profile for: suzann_@_athforum.com
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User Profile: suzann_@_athforum.com
User Profile f... | {"url":"http://mathforum.org/kb/profile.jspa?userID=828","timestamp":"2014-04-18T16:16:01Z","content_type":null,"content_length":"14423","record_id":"<urn:uuid:2b664e99-05e8-45fc-aba1-3535c1a51683>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00024-ip-10-147-4-33.ec2.internal.warc.g... |
From Loop Groups to 2-Groups
John Baez
Lecture at the U.C. Irvine Algebra Seminar
May 3, 2005
From Loop Groups to 2-Groups
There is an interesting relation between Lie 2-algebras, the Kac-Moody central extensions of loop groups, and the group String(n). A Lie 2-algebra is a categorified version of a Lie algebra where t... | {"url":"http://math.ucr.edu/home/baez/2group/","timestamp":"2014-04-18T08:02:30Z","content_type":null,"content_length":"3310","record_id":"<urn:uuid:9d83499b-540a-4ce5-aa62-3ad4398e3e33>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00431-ip-10-147-4-33.ec2.internal.warc.gz"} |
3D Defined - What is 3D?
If you start anywhere on this site, this article is as good a jumping off point as any!
We wrote this content to be as accessible as possible for someone exploring 3D computer graphics for the first time, whether through an interest in 3D film, 3D visual effects, or production for
animation and... | {"url":"http://3d.about.com/od/3d-101-The-Basics/a/3d-Defined-What-Is-3d.htm","timestamp":"2014-04-16T08:15:05Z","content_type":null,"content_length":"43085","record_id":"<urn:uuid:ffaf3311-eb1d-4460-8d23-0e704d001433>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00186-ip-10-147-4-33... |
semi-urgent: rational and irrational numbers!
September 21st 2009, 04:31 PM #1
Sep 2009
semi-urgent: rational and irrational numbers!
Okay I don't get this =( I think I've made a decent attempt but I need some help getting there all the way. This is due tomorrow. can someone help me? =(
a. If a is rational ... | {"url":"http://mathhelpforum.com/pre-calculus/103592-semi-urgent-rational-irrational-numbers.html","timestamp":"2014-04-20T20:13:36Z","content_type":null,"content_length":"36498","record_id":"<urn:uuid:b3b05074-0776-4c8b-b96f-a361d7dce4f9>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-2014041600521... |
Inglewood Prealgebra Tutor
...Prior to that, I was a bilingual aide at an elementary school for several years and later worked as a bilingual substitute teacher for the LAUSD. I have an MA in Linguistics, and my second
language proficiency (one of the requirements to achieve the Masters Degree) is in Spanish. Along... | {"url":"http://www.purplemath.com/Inglewood_Prealgebra_tutors.php","timestamp":"2014-04-17T07:56:41Z","content_type":null,"content_length":"24092","record_id":"<urn:uuid:6e9940a9-db0b-4261-9bbc-494f65693984>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00642-ip-10-147-4-33.ec2.inter... |