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The WebScience Project at IUPUI
Inverse Functions
Meaning of Inverse Functions
Trigonometric Substitution
Approximate Integration
Arc Length
Direction Fields
Parametric Equations
Polar Coordinates
Infinite Sequences and Series
The Comparison Tests
Absolute Convergence
Taylor and Maclaurin Series
Taylor Polynomials
Inve... | {"url":"http://webphysics.iupui.edu/webscience/mathematics_archive.html","timestamp":"2014-04-21T15:46:11Z","content_type":null,"content_length":"29081","record_id":"<urn:uuid:ff8eff59-5856-41e2-81cc-b0e1c743eb03>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00246-ip-10-147-4-33.ec2... |
Wednesday Math, Vol. 89: Mode
There are several ways to determine the "center" of a set of data. The three most commonly taught methods are mean, median and mode. The mean, also known as average, can only be done with numerical
data, since you have to add up all the values then divide by the number of things on the l... | {"url":"http://lotsasplainin.blogspot.com/2009/09/wednesday-math-vol-89-mode.html?showComment=1256663633056","timestamp":"2014-04-18T13:06:13Z","content_type":null,"content_length":"114789","record_id":"<urn:uuid:a29cca5f-98ce-4569-a5e9-e6a94c7d89cb>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20... |
Graph (mathematics)
34,117pages on
this wiki
Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual differences | Personality | Philosophy | Social |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Statistics: Scientific method ·... | {"url":"http://psychology.wikia.com/wiki/Graph_(mathematics)?oldid=150381","timestamp":"2014-04-24T15:27:02Z","content_type":null,"content_length":"111313","record_id":"<urn:uuid:da0427b2-f172-4c3e-a921-27286dd5c636>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00328-ip-10-147-4-33.e... |
probability mass function
February 15th 2009, 07:27 PM
probability mass function
In LOTTO 49, Michigan's lottery game, a player selects 6 integers out of the 49 positive integers. The state randomly selects 6 out of the first 49 integers. Cash prizes are given to a player who
matches 4, 5 , or 6 integers. Let X... | {"url":"http://mathhelpforum.com/advanced-statistics/73820-probability-mass-function-print.html","timestamp":"2014-04-19T04:27:25Z","content_type":null,"content_length":"4002","record_id":"<urn:uuid:c7839962-41e2-4597-97aa-3140d18fb3d2>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-0... |
Variability of Active Galactic Nuclei - B.M. Peterson
3.5. Transfer Function Recovery
With data of sufficient quality, transfer functions for different plausible models are distinguishable from one another. This is of course, why we place so much emphasis on them: if we can determine
the transfer function for a particu... | {"url":"http://ned.ipac.caltech.edu/level5/Sept01/Peterson2/Peter3_5.html","timestamp":"2014-04-18T05:52:53Z","content_type":null,"content_length":"4590","record_id":"<urn:uuid:78ae7003-19de-4f5c-8355-aa980bdcceb0>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00649-ip-10-147-4-33.ec... |
Laplace's Equation using similarity variable and others
November 9th 2010, 01:21 PM
Laplace's Equation using similarity variable and others
I've really spent a long time struggling with these.
The first one is finding the similarity solutions of
$\frac{\partial u}{\partial t} = x\frac{\partial^2 u}{\partial... | {"url":"http://mathhelpforum.com/differential-equations/162675-laplaces-equation-using-similarity-variable-others-print.html","timestamp":"2014-04-19T08:27:02Z","content_type":null,"content_length":"7557","record_id":"<urn:uuid:dea94454-57e7-4cc9-9cc3-b8ba46c3545f>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/... |
Physics of Photonic Devices, 2nd Edition
ISBN: 978-0-470-29319-5
840 pages
January 2009
Read an Excerpt
The most up-to-date book available on the physics of photonic devices
This new edition of Physics of Photonic Devices incorporates significant advancements in the field of photonics that have occurred since publi... | {"url":"http://www.wiley.com/WileyCDA/WileyTitle/productCd-0470293195.html","timestamp":"2014-04-16T14:51:17Z","content_type":null,"content_length":"59820","record_id":"<urn:uuid:5bf5a49d-43da-498e-8da3-f480715de915>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00272-ip-10-147-4-33.... |
Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text o... | {"url":"http://www.nap.edu/openbook.php?record_id=14367&page=59","timestamp":"2014-04-20T23:49:34Z","content_type":null,"content_length":"80002","record_id":"<urn:uuid:f577a829-f857-4c6a-9b68-f37129817d85>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00385-ip-10-147-4-33.ec2.internal... |
Fandom Forums - View Single Post - 48÷2(9+3) = D'awww
Originally Posted by
Brush up on your math skills kael, you can't even solve a simple math problem. PEMDAS states to perform all operations INSIDE the Parenthesis. 2 isn't within the parenthesis. If you use it right, 48/
2(9+3)=288. Not 2. Just like how 1/2(2+2) is... | {"url":"http://www.fandom.com/forums/showpost.php?p=1943315&postcount=102","timestamp":"2014-04-24T12:24:00Z","content_type":null,"content_length":"16598","record_id":"<urn:uuid:79034385-2a20-4743-9f1e-9b0590b5693d>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00426-ip-10-147-4-33.ec... |
Puzzle Trivia, Quizzes, and Brain Teasers
Today's mentalfloss.com Brain Game Think Thursday challenge needs but a number for its "solvation." Good luck! Identify the missing number in this sequence: 2, 2, 4, 12, 16, ?, 86, 602, ... Here is
the ANSWER. THE ANSWER: 80 The sequence is times-1, plus-2, times-3, plus-4, t... | {"url":"http://www.mentalfloss.com/section/puzzle/page/15/0","timestamp":"2014-04-21T00:38:57Z","content_type":null,"content_length":"68308","record_id":"<urn:uuid:5571b37d-8fa4-4138-9a01-040597ad588b>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00626-ip-10-147-4-33.ec2.internal.wa... |
3.1 Eulerian Dynamical Core
Next: 3.2 Semi-Lagrangian Dynamical Core Up: 3. Dynamics Previous: 3. Dynamics   Contents
The hybrid vertical coordinate that has been implemented in CAM 3.0 is described in this section. The hybrid coordinate was developed by Simmons and Strüfing [158] in order to provide a general... | {"url":"http://www.cesm.ucar.edu/models/atm-cam/docs/description/node11.html","timestamp":"2014-04-18T20:46:28Z","content_type":null,"content_length":"307600","record_id":"<urn:uuid:cebdf956-9405-4a01-93e5-f630f725e3a1>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00018-ip-10-147-4-... |
Andre Holzner's Blog
Here is an animation of how the function minimizer Minuit minimizes a function. The function to be minimized depends on two parameters so that one can visualize it. It was inspired by the ‘banana
shaped valley’ function so that Minuit must take several steps to find the minimum. The value of the go... | {"url":"http://aholzner.wordpress.com/","timestamp":"2014-04-18T10:34:34Z","content_type":null,"content_length":"30631","record_id":"<urn:uuid:d25202ae-98eb-40ed-a3cd-d36d3670bc62>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00611-ip-10-147-4-33.ec2.internal.warc.gz"} |
What polygon is a quadrangle with no right angles and congruent sides?
A triangle is one of the basic shapes in geometry: a polygon with three corners or vertices and three sides or edges which are line segments. A triangle with vertices A, B, and C is denoted $\
triangle ABC$.
In Euclidean geometry any thr... | {"url":"http://answerparty.com/question/answer/what-polygon-is-a-quadrangle-with-no-right-angles-and-congruent-sides","timestamp":"2014-04-17T02:09:31Z","content_type":null,"content_length":"31728","record_id":"<urn:uuid:c5d276be-ef71-4a6c-bfbc-f5941e520e82>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-... |
summary of the BDD algorithm in ACL2
Major Section: BDD
The BDD algorithm in ACL2 uses a combination of manipulation of IF terms and unconditional rewriting. In this discussion we begin with some relevant mathematical theory. This is followed by a
description of how ACL2 does BDDs, including concluding discussions of ... | {"url":"http://www.cs.utexas.edu/users/moore/acl2/v2-3/acl2-doc-4.html","timestamp":"2014-04-16T11:37:26Z","content_type":null,"content_length":"51553","record_id":"<urn:uuid:4dd1c653-343e-4412-93b5-e642954b42de>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00006-ip-10-147-4-33.ec2.... |
Prime Numbers
An integer (greater than one) is prime if the only whole numbers it can be divided by (without a remainder) are itself and one. All other integers are composite. In other words, a prime number has
only two positive factors. Composite numbers have more. For example, seven is a prime number because its on... | {"url":"http://www.surfnetkids.com/resources/primenumbers/","timestamp":"2014-04-20T19:37:40Z","content_type":null,"content_length":"48946","record_id":"<urn:uuid:0aa45811-c126-4205-a148-b34aa0ed706e>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00138-ip-10-147-4-33.ec2.internal.warc... |
Learning to predict by the methods of temporal difference
Results 11 - 20 of 959
- Machine Learning , 1992
"... Abstract. To date, reinforcement learning has mostly been studied solving simple learning tasks. Reinforcement learning methods that have been studied so far typically converge slowly. The
purpose of this wor... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=34619&sort=cite&start=10","timestamp":"2014-04-18T01:33:16Z","content_type":null,"content_length":"40955","record_id":"<urn:uuid:a77b6bad-9c51-49b3-8e32-96072b4e101a>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00050-ip-10-147-4-3... |
Thomas Industrial Library
8.0 INTRODUCTION
This chapter presents a review of the fundamentals of dynamic modeling in order to establish a base of information on which to develop the tools for the dynamic analysis of cam-follower systems in
succeeding chapters.
8.1 NEWTON’S LAWS OF MOTION
Dynamic force analysis invo... | {"url":"http://www.thomasglobal.com/library/UI/Cams/Cam%20Design%20and%20Manufacturing%20Handbook/Dynamics%20of%20Cam%20Systems_1/1/default.aspx","timestamp":"2014-04-18T13:50:58Z","content_type":null,"content_length":"120378","record_id":"<urn:uuid:c85efea2-6419-4004-bde8-295c575bdba9>","cc-path":"CC-MAIN-2014-15/segm... |
Killing vector field
, a
Killing vector field
(often just
Killing field
) , named after
Wilhelm Killing
, is a
vector field
on a
Riemannian manifold
pseudo-Riemannian manifold
) that preserves the
. Killing fields are the
infinitesimal generator
; that is,
generated by Killing fields are
continuous isometries
of the
.... | {"url":"http://pages.rediff.com/killing-vector-field/307547","timestamp":"2014-04-20T16:53:15Z","content_type":null,"content_length":"32681","record_id":"<urn:uuid:1b054bba-cc9b-4afe-a6da-8d70ca2b02c3>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00331-ip-10-147-4-33.ec2.internal.wa... |
Wayne, NJ ACT Tutor
Find a Wayne, NJ ACT Tutor
...I am a pre-med student in my second year of college and I have 3 years of tutoring experience. I currently work at the Math Center in South Orange, NJ. I have also tutored elementary school
kids in math and writing.
29 Subjects: including ACT Math, chemistry, Engl... | {"url":"http://www.purplemath.com/Wayne_NJ_ACT_tutors.php","timestamp":"2014-04-18T19:08:46Z","content_type":null,"content_length":"23605","record_id":"<urn:uuid:31d5aeb2-ad07-4b24-a21d-9858eb98a9a2>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00494-ip-10-147-4-33.ec2.internal.warc.... |
Hingham, MA SAT Math Tutor
Find a Hingham, MA SAT Math Tutor
...As a former math and language teacher, I have worked with a variety of students who struggle with executive functioning and study skills. Based on my experience with a number of students who
have IEP and 504 plans, I know the struggles that these stude... | {"url":"http://www.purplemath.com/Hingham_MA_SAT_Math_tutors.php","timestamp":"2014-04-21T02:09:47Z","content_type":null,"content_length":"23883","record_id":"<urn:uuid:6b3a2fd9-029b-415e-932f-c248836597cc>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00599-ip-10-147-4-33.ec2.intern... |
Posts by
Posts by fifi
Total # Posts: 15
the binding energy of a nucleus is 240.0 MeV. What is the mass defect of the nucleus in atomic mass units?
For a hydrogen atom, determine the ratio of the ionization energy for the n = 3 excited state to the ionization energy for the ground state.
Light shines through a single ... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=fifi","timestamp":"2014-04-18T19:10:02Z","content_type":null,"content_length":"9147","record_id":"<urn:uuid:e7571148-2fcb-48f9-bbbc-38418fbad84e>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00267-ip-10-147-4-33.ec2.interna... |
Adding a control variable and testing for significance
July 31st 2009, 04:56 PM #1
Jul 2009
Adding a control variable and testing for significance
"Perform a controlled comparison, with a test of statistical significance."
That's what I'm trying to do. My independent variable is "religious importance," a fo... | {"url":"http://mathhelpforum.com/advanced-statistics/96642-adding-control-variable-testing-significance.html","timestamp":"2014-04-20T06:40:00Z","content_type":null,"content_length":"32266","record_id":"<urn:uuid:34392101-814a-47b1-a8ce-374afdbe4b3b>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20... |
[Rd] cluster - clusplot.default (PR#1249)
kjetilh@umsanet.edu.bo kjetilh@umsanet.edu.bo
Mon, 7 Jan 2002 19:42:44 +0100 (MET)
The following code in clusplot.default (package cluster) is in error:
x1 <- cmdscale(x, k = 2, eig = TRUE)
var.dec <- sum(x1$eig)/sum(diag(x1$x))
if (var.dec < 0)
var.... | {"url":"https://stat.ethz.ch/pipermail/r-devel/2002-January/023773.html","timestamp":"2014-04-16T07:16:53Z","content_type":null,"content_length":"3458","record_id":"<urn:uuid:3fd02412-8651-4881-9265-de615ace4d74>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00014-ip-10-147-4-33.ec2.... |
Assigning positive edge weights to a graph so that the weight incident to each vertex is 1.
up vote 7 down vote favorite
Let $\Gamma=(G,E)$ be a connected undirected graph, with no loops or multiple edges. $G$ is finite or countably infinite. For each edge $e=\{x,y\}\in E$, we assign a positive, symmetric edge weight
$... | {"url":"http://mathoverflow.net/questions/59117/assigning-positive-edge-weights-to-a-graph-so-that-the-weight-incident-to-each-v","timestamp":"2014-04-16T14:05:21Z","content_type":null,"content_length":"71076","record_id":"<urn:uuid:341061e6-9d1f-449c-a3e8-dc42b50023f5>","cc-path":"CC-MAIN-2014-15/segments/139760953944... |
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I really need some help in how to find or know the locus >.< G... | {"url":"http://openstudy.com/updates/50955c5ee4b0d0275a3c8380","timestamp":"2014-04-16T07:48:36Z","content_type":null,"content_length":"66428","record_id":"<urn:uuid:fec81c83-d604-4749-a878-3b542bd5b9ac>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00173-ip-10-147-4-33.ec2.internal.... |
Figures of categorical syllogism
Interregional p>
Academy of Personnel Management p>
Faculty: p>
Distance Learning. p>
Economics and Business Administration. p> < p> Group: 21098BUB Rate: 3 p>
Student: Pahantsov MA p>
Home address: Dnepropetrovsk street. Gidroparkovaya d. 9 square. 113 p>
Place: KAB "Slavic? p>
INSPECT... | {"url":"http://yqyq.net/40164-Figury_kategoricheskogo_sillogizma.html","timestamp":"2014-04-20T22:22:41Z","content_type":null,"content_length":"32839","record_id":"<urn:uuid:21d5edd2-875e-4fa6-a55f-05999b92a5a7>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00282-ip-10-147-4-33.ec2.i... |
Pseudo Random Number Generators
June 30th 2008, 08:39 PM #1
Jun 2008
How would i decipher the formula to a fixed seed PRNG?
I can manipulate the PRNG's Seed and Minimum and Maximum Values.
How would i use this to create a formula that mimics the PRNG's formula?
Thank you in advance for any help.
... | {"url":"http://mathhelpforum.com/discrete-math/42816-pseudo-random-number-generators.html","timestamp":"2014-04-20T19:20:30Z","content_type":null,"content_length":"74838","record_id":"<urn:uuid:5a9d2c89-70d8-432f-ba51-7ef98f1ff697>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00566-... |
Restrictions for presenting groups with cyclic quotient
up vote 7 down vote favorite
Let $H$ be a group, $\phi$ an automorphism of $H$ of order n and fix $h_0 \in H$. I wonder, what the restrictions are, such that $$G:= \lt H,g \mid g^n=h_0,\quad \forall h \in H: ghg^{-1}=\phi(h) \
gt$$ defines a group which has $H$ a... | {"url":"http://mathoverflow.net/questions/75986/restrictions-for-presenting-groups-with-cyclic-quotient","timestamp":"2014-04-19T07:20:03Z","content_type":null,"content_length":"51197","record_id":"<urn:uuid:1c57635e-2169-45d6-8eaf-ab534f64fb90>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-2014041... |
Linear Independence and Transformation Proof Help
July 7th 2012, 01:41 PM
Linear Independence and Transformation Proof Help
Does anyone know how to prove the following:
The set of images of a linearly independent set of vectors under a linear transformation are also linearly independent?
July 7th 2012, 01:58 PM... | {"url":"http://mathhelpforum.com/advanced-algebra/200733-linear-independence-transformation-proof-help-print.html","timestamp":"2014-04-17T09:15:29Z","content_type":null,"content_length":"8771","record_id":"<urn:uuid:e9fcf0f6-a265-47e4-8815-2d978c9857f4>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAI... |
Исходный RIS файл (фрагмент):
TY - JOUR
T1 - Memory capacity in neural network models: Rigorous lower bounds
JO - Neural Networks
VL - 1
IS - 3
SP - 223
EP - 238
PY - 1988
AU - Newman, Charles M.
UR - http://www.sciencedirect.com/science/article/B6T08-482R8NT-4/2/666a550edeb8f860f5965e02fe0075a9
AB - We consider certai... | {"url":"http://ris2xml.sourceforge.net/?source=navbar","timestamp":"2014-04-18T13:10:11Z","content_type":null,"content_length":"10288","record_id":"<urn:uuid:ce54804d-9107-4998-81ae-65f068b2f9bc>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00589-ip-10-147-4-33.ec2.internal.warc.gz"... |
Fabulous Adventures In Coding
Generating random non-uniform data in C#
UPDATE: I've posted a related article here.
When building simulations of real-world phenomena, or when generating test data for algorithms that will be consuming information from the real world, it is often highly desirable to produce
pseudo-random ... | {"url":"http://ericlippert.com/2012/02/21/generating-random-non-uniform-data/","timestamp":"2014-04-18T05:48:14Z","content_type":null,"content_length":"45348","record_id":"<urn:uuid:95298d59-4c1d-4a4d-96d6-b5b336ad4b74>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00004-ip-10-147-4-... |
If I pick all of the favorites, will I maximize my chances of winning Buffett’s billion dollars?
The short answer to this question is… maybe. Picking all of the favorites in the first round definitely maximizes your chances of getting as many first round picks correct as possible. But depending
on how all of the potent... | {"url":"http://blog.bracketvoodoo.com/post/76495432618/if-i-pick-all-of-the-favorites-will-i-maximize-my","timestamp":"2014-04-16T19:00:27Z","content_type":null,"content_length":"57944","record_id":"<urn:uuid:94d8a739-cf0d-44af-9fbe-a4773fda9e60>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-201404... |
Yan Peng
• Yan Peng
• Assistant Professor
• Department of Mathematics & Statistics
• 2128 Engr and Comp Sci Bldg
• Norfolk, VA 23529
• 757-683-6001
• Education
National University of Singapore, 2005
Major: Computational Fluid Dynamics
Degree: Ph. D.
Nanjing University of Aeronautic... | {"url":"http://odu.edu/directory/people/y/ypeng","timestamp":"2014-04-17T00:51:29Z","content_type":null,"content_length":"23532","record_id":"<urn:uuid:2db65bb1-f61b-4b34-8d7e-8553e548009d>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00331-ip-10-147-4-33.ec2.internal.warc.gz"} |
Alright, I Know How To Do This But Everytime I ... | Chegg.com
Alright, I know how to do this but everytime I try to add thesethree values I end up getting the wrong phase angle and amplitude.
i(t) = 10cos(15t +40) -8cos(15t +130) + 6sin(15t -20)
I need to add all these up using phasors.
The last sin needs to be covert... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/alright-know-everytime-try-add-thesethree-values-end-getting-wrong-phase-angle-amplitude-t-q407234","timestamp":"2014-04-20T18:13:11Z","content_type":null,"content_length":"22504","record_id":"<urn:uuid:b687ba6b-c2ba-4b83-9f82-8e991bc2c957>","cc-path":"CC... |
Summary: ZAMM Á Z. Angew. Math. Mech. 82 (2002) 2, 115124
Ambrosi, D.
Infiltration through Deformable Porous Media
The equations driving the flow of an incompressible fluid through a porous deformable medium are derived in the frame-
work of the mixture theory. This mechanical system is described as a binary saturate... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/106/2953988.html","timestamp":"2014-04-19T23:09:35Z","content_type":null,"content_length":"8870","record_id":"<urn:uuid:b629ecae-ef24-4dc0-9fbc-fa8721f0dbf3>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00044-ip-10-147-... |
Temperature and thermal expansion
We'll shift gears in the course now, moving on to thermal physics.
Temperature scales
In the USA, the Fahrenheit temperature scale is used. Most of the rest of the world uses Celsius, and in science it is often most convenient to use the Kelvin scale.
The Celsius scale is based on the ... | {"url":"http://physics.bu.edu/~duffy/py105/notes/Temperature.html","timestamp":"2014-04-19T02:55:30Z","content_type":null,"content_length":"11253","record_id":"<urn:uuid:4b54f4d1-72e3-4da3-8457-d67ef28ef8d1>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00190-ip-10-147-4-33.ec2.intern... |
Condensed Matter Seminar
Condensed Matter Seminar Series
Exotic Quantum Critical Points
Matt Hastings
Duke University
Thursday September 8, 4:00pm, Room 299, Physics Building
(note irregular time and place)
Abstract: The standard paradigm for describing critical phenomena is the Landau paradigm of symmetry breaking, bu... | {"url":"http://www.phy.duke.edu/~cmseminar/cmseminar1112/hastings.html","timestamp":"2014-04-18T21:53:11Z","content_type":null,"content_length":"2584","record_id":"<urn:uuid:2e5c22bb-a946-4486-a522-39c08f3d37fc>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00360-ip-10-147-4-33.ec2.in... |
Optimzation problem, cylinder in sphere
November 13th 2010, 05:21 PM #1
Dec 2009
Optimzation problem, cylinder in sphere
A right circular cylinder is inscribed in a sphere of radius r. Find the largest possible volume of such a cylinder.
I don't even know where to begin to find the relationship of height to... | {"url":"http://mathhelpforum.com/calculus/163130-optimzation-problem-cylinder-sphere.html","timestamp":"2014-04-16T08:02:11Z","content_type":null,"content_length":"33629","record_id":"<urn:uuid:39d11a49-3118-4924-af68-1b94cf680b8a>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00115-... |
Lauda on Frobenius Algebras and Open Topological Strings
Posted by Urs Schreiber
Here are some notes on the preprint
A. Lauda
Frobenius algebras and planar open string topological field theories
The author
1) points out a relation between adjunctions and Frobenius algebras.
2) uses categorified adjunctions in order to ... | {"url":"http://golem.ph.utexas.edu/string/archives/000700.html","timestamp":"2014-04-21T14:52:21Z","content_type":null,"content_length":"22400","record_id":"<urn:uuid:9c7787e7-39a9-4127-a325-cdf5b261cf01>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00490-ip-10-147-4-33.ec2.internal... |
New formulation of the Fourier modal method for crossed surface-relief gratings
A new formulation of the Fourier modal method (FMM) that applies the correctrules of Fourier factorization for crossed surface-relief gratings is presented.The new formulation adopts a general
nonrectangular Cartesian coordinate system, whi... | {"url":"http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-14-10-2758","timestamp":"2014-04-21T00:07:04Z","content_type":null,"content_length":"113284","record_id":"<urn:uuid:f8c08824-6d62-4490-b832-9c370b87f4f8>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00008-ip-10-147-4... |
random number
How to use random number tables and generators
In simple random sampling, every potential sampling unit (individual or quadrat) has an equal chance of getting selected and the selection of one sampling unit does not affect the chance of selecting
another. Equal probability (the "simple" part of simple ra... | {"url":"http://oregonstate.edu/instruct/bot440/wilsomar/Content/Random.htm","timestamp":"2014-04-17T01:07:40Z","content_type":null,"content_length":"8639","record_id":"<urn:uuid:101f6ecb-57a9-45c5-b9ed-bc3fe7ad7580>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00551-ip-10-147-4-33.ec... |
LC2200 BEQ
I really do not know where to put this topic, since it is a pretty general question(had this project to write this code in C, I was doing the pipeline of the branch instruction)
Say if a computer with an ALU, containing the following operations,
ADD, SUB, DIV, MUL, SHL, SHR, NOT, OR, XOR AND
How can the ALU... | {"url":"http://www.dreamincode.net/forums/topic/281532-lc2200-beq-pipeline-how-does-the-all-perform-branch/","timestamp":"2014-04-19T07:46:08Z","content_type":null,"content_length":"98700","record_id":"<urn:uuid:76a7f826-b280-4e54-b3d9-d678bbe61c2a>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-201... |
[SciPy-dev] Definition of gammaln(x) for negative x
G-J van Rooyen gvrooyen@gmail....
Sat Nov 1 14:53:56 CDT 2008
I think it probably makes sense to keep it the way it is. AFAIK
gammaln is typically used to calculate products and divisions with the
gamma function, where it makes more sense to transform the entire
calcu... | {"url":"http://mail.scipy.org/pipermail/scipy-dev/2008-November/009959.html","timestamp":"2014-04-18T01:31:52Z","content_type":null,"content_length":"5674","record_id":"<urn:uuid:aa0eb67e-2406-4495-891f-92839411801b>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00161-ip-10-147-4-33.... |
Flight Question Manual calcultion of lunar transfer - Orbiter-Forum
Manual calcultion of lunar transfer
For better understanding of orbital mechanics I'm trying to perform the transfer from the Earth to the Moon and back to the Earth using only Keplerian orbital elements shown on Orbit MFD and have
some problems with t... | {"url":"http://www.orbiter-forum.com/showthread.php?p=354031","timestamp":"2014-04-17T18:23:02Z","content_type":null,"content_length":"43033","record_id":"<urn:uuid:13a67eed-3eef-4b40-aa05-6eb6acbf0518>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00550-ip-10-147-4-33.ec2.internal.wa... |
Tomales Math Tutor
Find a Tomales Math Tutor
...I can teach all of the basic moves and some strategies. I may not be the best chess player in the world, but I am a patient teacher. I have a Masters in Mathematics.
26 Subjects: including differential equations, discrete math, chess, elementary math
...For older ... | {"url":"http://www.purplemath.com/Tomales_Math_tutors.php","timestamp":"2014-04-17T04:54:57Z","content_type":null,"content_length":"23603","record_id":"<urn:uuid:5397db4a-04e1-499b-9c4f-5c863c165666>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00250-ip-10-147-4-33.ec2.internal.warc... |
Is the branching locus of the double cover of surfaces always one dimensional?
up vote 1 down vote favorite
Suppose $X$ and $Y$ are two smooth surfaces (over the complex numbers), and $f: X \to Y$ is a finite flat morphism of degree two. Is it necessarily true that the locus where $f$ is not a smooth
morphism (i.e. the... | {"url":"http://mathoverflow.net/questions/132484/is-the-branching-locus-of-the-double-cover-of-surfaces-always-one-dimensional","timestamp":"2014-04-21T00:00:19Z","content_type":null,"content_length":"56233","record_id":"<urn:uuid:59d012fa-4ca1-4fe5-ae8f-74e634fc2294>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.... |
The Upper Part of the Earnings Distribution in the United States: How Has It Changed?
by Kelvin R. Utendorf
Social Security Bulletin, Vol. 64 No. 3, 2001/2002
Text Description for Chart A-1.
Illustrative calculation of the Gini coefficient
There are two lines on the chart, labeled line of equality and Lorenz curve. The... | {"url":"https://www.socialsecurity.gov/policy/docs/ssb/v64n3/v64n3p1-text.html","timestamp":"2014-04-16T07:22:08Z","content_type":null,"content_length":"3978","record_id":"<urn:uuid:16dedfe0-4896-42f8-a5a8-04661e31373d>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00228-ip-10-147-4-... |
Exponential and Logarithmic Functions
Exponential and Logarithmic Functions
Properties of Logarithms. logb (ac) = logb a logb c. logb (a/c) = logb a - logb c ... Properties of Exponentials and Logarithms. y = logax ay = x. ay = x y ... – PowerPoint PPT presentation
Number of Views:933
Avg rating:3.0/5.0
Slides: 17
Adde... | {"url":"http://www.powershow.com/view/16512d-ZjU2N/Exponential_and_Logarithmic_Functions_powerpoint_ppt_presentation","timestamp":"2014-04-20T08:19:44Z","content_type":null,"content_length":"96613","record_id":"<urn:uuid:a294f9ed-84ad-4180-8ae7-95d49c6558b3>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-... |
Replaces a continuous class with a derivative or a MQC by one or more continuous attributes.
Classified Examples (ExampleTableWithClass)
Input data set.
Classified Examples (ExampleTableWithClass)
Output data set.
This widget implements several techniques for assessing partial de... | {"url":"http://orange.biolab.si/docs/latest/widgets/rst/regression/pade/","timestamp":"2014-04-21T07:34:26Z","content_type":null,"content_length":"12362","record_id":"<urn:uuid:d8a2c540-ed4a-4ba8-8f74-779bc9670a82>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00198-ip-10-147-4-33.ec... |
Questions on standard (motivic) conjectures
up vote 4 down vote favorite
1. Over an (algebraically closed) characteristic $p$ field, is it known that the cohomological equivalence of cycles relation (with respect to $\mathbb{Q}_l$-adic \'etale cohomology) does not depend
on the choice of a prime $l$ (distinct from... | {"url":"http://mathoverflow.net/questions/52248/questions-on-standard-motivic-conjectures/52255","timestamp":"2014-04-17T12:47:12Z","content_type":null,"content_length":"51503","record_id":"<urn:uuid:9b792cb5-7492-42f7-95c9-69733198aae9>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-... |
Post a reply
Topic review (newest first)
2005-06-03 21:50:17
Thanks, mathsyperson. At least they are even and odd
Seems way too high to be any mathematical pattern. Well, any reasonably logical pattern, because you could construct something to fit if you needed to.
Thet reminds me of someone who developed a formula... | {"url":"http://www.mathisfunforum.com/post.php?tid=723&qid=6464","timestamp":"2014-04-20T18:34:46Z","content_type":null,"content_length":"22198","record_id":"<urn:uuid:c60f828e-e0f2-42f9-a0fa-f6e21b742ca5>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00166-ip-10-147-4-33.ec2.interna... |
how do i output prime numbers in descending order using a stack?
up vote 1 down vote favorite
import java.util.Stack;
public class Primes{
public static void main(String[]args){
Stack<Integer> stack = new Stack<Integer>();
//number of primes to display
final int NUMBER_OF_PRIMES = 50;
//number of pr... | {"url":"http://stackoverflow.com/questions/5008696/how-do-i-output-prime-numbers-in-descending-order-using-a-stack","timestamp":"2014-04-18T13:10:31Z","content_type":null,"content_length":"86182","record_id":"<urn:uuid:69abc371-fd93-43de-a05a-2c435d20be1e>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MA... |
DICE: A New Pitching Stat
Defense Independent Component ERA
July 19, 2000
If you play Baseball Mogul, you have already encountered Defense Independent Component ERA ("DICE"), even though you don't realize it. This is because the artificial intelligence in Baseball Mogul
uses DICE to evaluate pitching talent. We also us... | {"url":"http://www.sportsmogul.com/content/dice.htm","timestamp":"2014-04-20T15:55:44Z","content_type":null,"content_length":"16065","record_id":"<urn:uuid:bcd9e7c5-7232-4d2f-8f82-a6852d886fbe>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00511-ip-10-147-4-33.ec2.internal.warc.gz"} |
Finding All Steady States in Biological Regulatory Networks
Finding All Steady States in Biological Regulatory Networks
01/2009; 00(00):1-11.
ABSTRACT Motivation. Computing the long term behavior of regulatory and signaling networks is critical in understanding how biological functions take place in organisms. Steady s... | {"url":"http://www.researchgate.net/publication/228707532_Finding_All_Steady_States_in_Biological_Regulatory_Networks","timestamp":"2014-04-21T01:14:19Z","content_type":null,"content_length":"291699","record_id":"<urn:uuid:9d60510f-c6c1-4780-9547-ca8b40c00f81>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/... |
Dugas' Home Page
Manfred H. Dugas
(My homepage, under construction!!)
In case you want to see a picture of me in a suit and tie,
... | {"url":"https://bearspace.baylor.edu/Manfred_Dugas/www/","timestamp":"2014-04-23T12:04:35Z","content_type":null,"content_length":"24050","record_id":"<urn:uuid:1f9ab90f-166a-460f-bb54-71959a151bdb>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00407-ip-10-147-4-33.ec2.internal.warc.g... |
dinger equation
You are currently browsing the tag archive for the ‘Schrodinger equation’ tag.
Consider the free Schrödinger equation in ${d}$ spatial dimensions, which I will normalise as
$\displaystyle i u_t + \frac{1}{2} \Delta_{{\bf R}^d} u = 0 \ \ \ \ ... | {"url":"https://terrytao.wordpress.com/tag/schrodinger-equation/","timestamp":"2014-04-18T13:26:35Z","content_type":null,"content_length":"203353","record_id":"<urn:uuid:1b6c2aa4-e81c-4b31-ba86-7937b0b4b1db>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00386-ip-10-147-4-33.ec2.inter... |
Math::NumSeq::Fibonacci -- Fibonacci numbers
use Math::NumSeq::Fibonacci;
my $seq = Math::NumSeq::Fibonacci->new;
my ($i, $value) = $seq->next;
The Fibonacci numbers F(i) = F(i-1) + F(i-2) starting from 0,1,
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...
starting i=0
See "FUNCTIONS" in Math::NumSeq for behaviour commo... | {"url":"http://search.cpan.org/dist/Math-NumSeq/lib/Math/NumSeq/Fibonacci.pm","timestamp":"2014-04-23T20:13:29Z","content_type":null,"content_length":"19603","record_id":"<urn:uuid:49187e6b-64c0-4bbd-a94f-edb563d326f5>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00582-ip-10-147-4-33... |
Logistic Regression with corelated data
March 30th 2011, 08:37 AM #1
Mar 2011
Logistic Regression with corelated data
As a non statistician with a scientific background i have to build a model with binary outcome (survival or not).
The covariates(a mix of continuous and discrete variables) are collected eac... | {"url":"http://mathhelpforum.com/advanced-statistics/176327-logistic-regression-corelated-data.html","timestamp":"2014-04-17T06:11:21Z","content_type":null,"content_length":"34415","record_id":"<urn:uuid:3c8399da-9f0e-4924-aa0b-36fa1962251a>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005... |
A Discrepancy Problem for Planar Configurations
Yaacov Kupitz and Micha A. Perles asked:
What is the smallest number C such that for every configuration of n points in the plane there is a line containing two or more points from the configuration for which the difference between the
number of points on the two sides of... | {"url":"http://gilkalai.wordpress.com/2010/02/03/a-discrepency-problem-for-planar-configurations/?like=1&source=post_flair&_wpnonce=7b62a7b6bf","timestamp":"2014-04-17T21:33:52Z","content_type":null,"content_length":"103994","record_id":"<urn:uuid:f54e9b74-f107-4213-8fb3-3b53c2f15f3f>","cc-path":"CC-MAIN-2014-15/segmen... |
Mechanics question- block on a wedge
March 14th 2009, 08:40 AM #1
Junior Member
Mar 2009
Mechanics question- block on a wedge
I was wondering if anyone could offer some help with the following question:
A wedge with mass M rests on a frictionless horizontal table top. A block with mass m is placed on the we... | {"url":"http://mathhelpforum.com/advanced-applied-math/78642-mechanics-question-block-wedge.html","timestamp":"2014-04-18T09:55:58Z","content_type":null,"content_length":"73047","record_id":"<urn:uuid:7512a1b9-d531-4b70-b55d-f42925569822>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213... |
Fremont, CA Precalculus Tutor
Find a Fremont, CA Precalculus Tutor
...I also have ten years' experience as a software engineer. My Teaching/tutoring style: Based on my assessment of a particular student's learning experience, I will adopt a methodology that is
tailored to the student's needs. Whether it is a topic ... | {"url":"http://www.purplemath.com/fremont_ca_precalculus_tutors.php","timestamp":"2014-04-19T12:40:13Z","content_type":null,"content_length":"24249","record_id":"<urn:uuid:2b232754-902a-43f7-b103-68ffed3eeab6>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00044-ip-10-147-4-33.ec2.int... |
Program extraction in simply-typed higher order logic
- IN TPHOLS, NUMBER 3223 IN LNCS , 2004
"... We formalise a simple assembly language with procedures and a safety policy for arithmetic overflow in Isabelle/HOL. To verify individual programs we use a safety logic. Such a logic can be
realised in Isabelle/HOL either... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=876","timestamp":"2014-04-17T05:57:09Z","content_type":null,"content_length":"26594","record_id":"<urn:uuid:d5cb5d5d-4ccf-4bd8-a73a-8b19e4435bb7>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00600-ip-10-147-4-33.ec2.internal.warc.g... |
Simplifying Log Expressions
Simplifying Logarithmic Expressions (page 3 of 5)
Sections: Basic log rules, Expanding, Simplifying, Trick questions, Change-of-Base formula
The logs rules work "backwards", so you can simplify ("compress"?) log expressions. When they tell you to "simplify" a log expression, this usually mea... | {"url":"http://www.purplemath.com/modules/logrules3.htm","timestamp":"2014-04-16T18:58:19Z","content_type":null,"content_length":"30240","record_id":"<urn:uuid:844f291f-a9b6-42c7-8365-5498393f316b>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00499-ip-10-147-4-33.ec2.internal.warc.gz... |
l'Hospital's Rule
November 22nd 2009, 10:34 PM #1
Oct 2009
l'Hospital's Rule
Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, consider using it. If l'Hospital's Rule doesn't apply, explain why.
lim as x -> o+ (sinxlnx)
I got the equation to be zero, but now ... | {"url":"http://mathhelpforum.com/calculus/116239-l-hospital-s-rule.html","timestamp":"2014-04-17T05:04:51Z","content_type":null,"content_length":"33434","record_id":"<urn:uuid:da4a62e3-0c1d-4ff8-aa0d-d65ec2015e89>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00084-ip-10-147-4-33.ec2... |
delooping under Dold-Kan and simplicial delooping
up vote 7 down vote favorite
What maps of simplicial sets exist between
• the image under the Dold-Kan correspondence of a chain complex shifted up in degree
• and the image under the right adjoint to simplicial looping of the DK-image of the unshifted complex
Here ... | {"url":"http://mathoverflow.net/questions/56388/delooping-under-dold-kan-and-simplicial-delooping?sort=newest","timestamp":"2014-04-23T13:57:11Z","content_type":null,"content_length":"52121","record_id":"<urn:uuid:c1c4d622-05f0-4be9-983d-141a4d282e8b>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-2... |
TRISNOWATI, NINING (2008) METODE MATRIKS UNTUK MENENTUKAN SOLUSI PDLTAK HOMOGEN DENGAN KOEFISIEN KONSTANTA. Other thesis, University of Muhammadiyah Malang.
Download (52kB) | Preview
In this study discussed about Linear Differential Equation Non Homogeneous by Constant Coefficient which the generally from is: d^2y/ d... | {"url":"http://eprints.umm.ac.id/7283/","timestamp":"2014-04-17T04:00:08Z","content_type":null,"content_length":"22094","record_id":"<urn:uuid:fb48a076-07c7-439e-8016-961859b2e3b2>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00092-ip-10-147-4-33.ec2.internal.warc.gz"} |
Testing the minimum variance method for estimating large-scale velocity
Testing the minimum variance method for estimating large-scale velocity moments
ABSTRACT The estimation and analysis of large-scale bulk flow moments of peculiar
velocity surveys is complicated by non-spherical survey geometry, the
non-uniform samp... | {"url":"http://www.researchgate.net/publication/51968957_Testing_the_Minimum_Variance_Method_for_Estimating_Large_Scale_VelocityMoments","timestamp":"2014-04-17T07:11:28Z","content_type":null,"content_length":"196984","record_id":"<urn:uuid:f3c8d240-21e3-4576-9d95-042670661931>","cc-path":"CC-MAIN-2014-15/segments/1397... |
West Miami, FL Algebra Tutor
Find a West Miami, FL Algebra Tutor
...I've written multiple papers using the programs for years and have been exposed to most versions of Office including 2011. I've been using PowerPoint for years for school projects. I'm very
good at using all the tools in PowerPoint and can bring pr... | {"url":"http://www.purplemath.com/West_Miami_FL_Algebra_tutors.php","timestamp":"2014-04-19T07:22:46Z","content_type":null,"content_length":"23945","record_id":"<urn:uuid:f2c10454-a3a9-46f8-8cd7-fb8913b74181>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00569-ip-10-147-4-33.ec2.inte... |
Exponential Powers - GMAT Math Study Guide
An exponential expression is simply multiplication repeated (e.g., 2^3=2*2*2).
• Base - the number that is multiplied by itself a certain quantity of times.
For example, in the expression 2^3, the number 2 is the base.
• Exponent - the number of times a quantity is mul... | {"url":"http://www.platinumgmat.com/gmat_study_guide/exponential_powers","timestamp":"2014-04-17T18:36:26Z","content_type":null,"content_length":"16821","record_id":"<urn:uuid:6e4b3fb2-1ef6-4aca-af0b-ae59ac905ba4>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00184-ip-10-147-4-33.ec2... |
Qualitative Analysis for a Predator Prey System with Holling Type III Functional Response and Prey Refuge
Discrete Dynamics in Nature and Society
Volume 2012 (2012), Article ID 678957, 11 pages
Research Article
Qualitative Analysis for a Predator Prey System with Holling Type III Functional Response and Prey Refuge
^1C... | {"url":"http://www.hindawi.com/journals/ddns/2012/678957/","timestamp":"2014-04-17T19:10:34Z","content_type":null,"content_length":"601408","record_id":"<urn:uuid:424fa3a4-6bca-4127-8bd0-821f821d9893>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00354-ip-10-147-4-33.ec2.internal.war... |
What is "Little Group"?
I'm preparing a little sketch on the irreps of the Poincaré group according to Wigner's classification. Unfortunately, this subject seems to be not too popular in the textbooks and in review
articles. No author whom I found describes clearly and correctly the structure of the little group of the... | {"url":"http://www.physicsforums.com/showthread.php?p=3777914","timestamp":"2014-04-16T07:48:55Z","content_type":null,"content_length":"81510","record_id":"<urn:uuid:f9e454b4-15bf-42f3-a5ff-f442027abaa8>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00360-ip-10-147-4-33.ec2.internal.w... |
Heroism timing
Moderators: Fridmarr, Worldie, Aergis, theckhd
Elsie wrote:
Dorvan wrote: The reason popping heroism during execute doesn't shorten the fight length (assuming fixed Z, which may not be the case) is that doing so also shortens the duration of the
"execute" buff.
Well, after about... | {"url":"http://maintankadin.failsafedesign.com/forum/viewtopic.php?f=6&t=21191&start=75","timestamp":"2014-04-17T09:59:02Z","content_type":null,"content_length":"60950","record_id":"<urn:uuid:6087f06f-77b6-42b1-a584-22fb8ab3d0aa>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00255-ip... |
homework about geometry
March 19th 2008, 02:34 PM #1
Mar 2008
what is the ratio of the volumes of a sphere and a cone with the base diameter and the altitude of the cone equal to the diameter of the sphere?
March 19th 2008, 10:58 PM #2 | {"url":"http://mathhelpforum.com/geometry/31471-homework-about-geometry.html","timestamp":"2014-04-17T22:38:35Z","content_type":null,"content_length":"33126","record_id":"<urn:uuid:858b0185-99fd-44f8-9836-2958f4cc61e8>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00247-ip-10-147-4-3... |
semi-groups and monoids
IMOH, arguments over terminology are politically dangerous, only attempt this if you are on good terms with your professor, or want to start a fight.
In my experience, semi-group means associative binary operation, and monoid means associative binary operation with identity element. Wolfram's ma... | {"url":"http://www.physicsforums.com/showthread.php?t=155972","timestamp":"2014-04-21T07:24:17Z","content_type":null,"content_length":"32221","record_id":"<urn:uuid:5c7040ae-a8c0-4c3b-add1-4d24515bf5de>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00079-ip-10-147-4-33.ec2.internal.w... |
Discrete Mathematics: Trees
May 14th 2008, 10:19 PM
Discrete Mathematics: Trees
For which values of m and n is the complete bipartite graph on m and n vertices a tree?
I'm using Discrete Mathematics 5th edition by Richard Johnsonbaugh, chapter 7.1 #5
Please help I've been working on this problem for hours a... | {"url":"http://mathhelpforum.com/discrete-math/38391-discrete-mathematics-trees-print.html","timestamp":"2014-04-18T04:39:14Z","content_type":null,"content_length":"8368","record_id":"<urn:uuid:d633f5b7-92a5-42be-924e-ca55adf9f9b7>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00544-... |
Posts about Triple Bar on Maths and Economics through the eyes of a Student
A few days ago, I wrote about how I thought the equals sign could be used incorrectly and commented on how the ‘equivalent to’ sign should be used in it’s place. After further reading into the
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Exponents Growth and Decay
October 21st 2009, 06:41 PM #1
Junior Member
Oct 2009
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. The initial population of a
culture is 65 cells.
(a) Fi... | {"url":"http://mathhelpforum.com/pre-calculus/109575-exponents-growth-decay.html","timestamp":"2014-04-19T08:59:56Z","content_type":null,"content_length":"33439","record_id":"<urn:uuid:55f4194c-9ba9-4a20-b68d-ee9a846ad92a>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00582-ip-10-147... |
Lakemoor, IL Precalculus Tutor
Find a Lakemoor, IL Precalculus Tutor
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Line Segment Distance
July 15th 2008, 01:38 PM #1
Jul 2008
Line Segment Distance
Hey guys. I am having extreme dificulty on this question. I am wondering if anyone knows how to go about this, seems some what too difficult for me:
"IF we have two points 'A' and 'B' which are on opposite sides of a straight l... | {"url":"http://mathhelpforum.com/geometry/43760-line-segment-distance.html","timestamp":"2014-04-16T07:52:44Z","content_type":null,"content_length":"36382","record_id":"<urn:uuid:cb1f87dc-4d91-4080-a3c9-f73c066da19e>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00044-ip-10-147-4-33.... |
North Hollywood ACT Math Tutors
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Sum this.
Re: Sum this.
Yes, that I've seen
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
'Who are you to judge everything?' -Alokananda
Re: Sum this.
Now... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=268727","timestamp":"2014-04-19T09:29:57Z","content_type":null,"content_length":"42752","record_id":"<urn:uuid:d633d43c-ff03-4a3b-8689-a4e6bca477c6>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00381-ip-10-147-4-33.ec2.internal... |
the first resource for mathematics
The universal history of numbers. From prehistory to the invention of the computer. Translated form the 1994 French original by David Bellos, E. F. Harding, Sophie Wood and Ian Monk.
(English) Zbl 0955.01002
New York, NY: Wiley. xxii, 633 p. £32.50 (2000).
“The main aim of this two-vo... | {"url":"http://zbmath.org/?q=an:0955.01002","timestamp":"2014-04-17T00:59:57Z","content_type":null,"content_length":"32727","record_id":"<urn:uuid:7bb0425b-4573-4cf4-9672-58be6eb5e39f>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00310-ip-10-147-4-33.ec2.internal.warc.gz"} |
How this comes?
Not quite, the final steps of the solution are to simplify [tex]\frac{1}{2}\left(1+\lim_{T\to a}\frac{\sin(2T)}{2T}\right)[/tex]
and that expression is only equal to 1/2 if [tex]\lim_{T\to a}\frac{\sin(2T)}{2T}=0[/tex] which only happens for [itex]a=\infty[/itex]
I don't know how you got that. I get
[te... | {"url":"http://www.physicsforums.com/showthread.php?p=3899131","timestamp":"2014-04-20T21:34:08Z","content_type":null,"content_length":"47988","record_id":"<urn:uuid:b5a67d1b-247e-48bd-a0e0-7a82e15c6a23>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00442-ip-10-147-4-33.ec2.internal.... |
Surface-tension-driven coalescence
Thompson, Alice B. (2012) Surface-tension-driven coalescence. PhD thesis, University of Nottingham.
When fluid droplets coalesce, the flow is initially controlled by a balance between surface tension and viscosity. For low viscosity fluids such as water, the viscous lengthscale is qui... | {"url":"http://etheses.nottingham.ac.uk/2522/","timestamp":"2014-04-16T07:17:18Z","content_type":null,"content_length":"18381","record_id":"<urn:uuid:45d21e2f-a514-4f80-8761-e2a83f506627>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00230-ip-10-147-4-33.ec2.internal.warc.gz"} |
A comparison of alternative approaches to sup-norm goodness of fit tests with estimated parameters
Parker, Thomas (2010): A comparison of alternative approaches to sup-norm goodness of fit tests with estimated parameters.
Download (200Kb) | Preview
Goodness of fit tests based on sup-norm statistics of empirical proce... | {"url":"http://mpra.ub.uni-muenchen.de/22961/","timestamp":"2014-04-18T18:18:08Z","content_type":null,"content_length":"35008","record_id":"<urn:uuid:4cb664f7-6f29-471f-a0b4-ee39365ebb6b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00197-ip-10-147-4-33.ec2.internal.warc.gz"} |
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Topic: subtraction
Replies: 6 Last Post: Jul 22, 2001 8:49 AM
Messages: [ Previous | Next ]
Posted: Ma... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=862692","timestamp":"2014-04-17T16:51:54Z","content_type":null,"content_length":"24151","record_id":"<urn:uuid:bd38934f-31b1-4471-a6be-a0a56d1e70ff>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00347-ip-10-147-4-33.ec2.internal.war... |
Equivalence Relations - HELP!!!
December 4th 2008, 03:21 PM #1
Oct 2008
Ok so i'm a little stuck on how to prove this..
Consider the set of points (x,y) in the plane (real numbers)^2. Define a relation R(subset 2) on the set as follows:
(x1,y1)R(subset 2)(x2,y2) whenever x1y1=x2y2
Prove that R(subse... | {"url":"http://mathhelpforum.com/discrete-math/63360-equivalence-relations-help.html","timestamp":"2014-04-17T01:50:11Z","content_type":null,"content_length":"34261","record_id":"<urn:uuid:6689aaf6-60cf-45ba-8c5f-9614fdbe3a06>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00564-ip-10-... |
shared memory space between R & OpenMx AND between R & xxm
Posted on behalf of Paras:
I am hoping that the c gurus can help me understand how OpenMx matrices
are stored, updated and passed around.
Here is the situation:
We are trying design data-structures for the block-sparse BLAS routines
and are struggling with the ... | {"url":"http://openmx.psyc.virginia.edu/print/50","timestamp":"2014-04-17T18:57:55Z","content_type":null,"content_length":"9551","record_id":"<urn:uuid:101ee5c1-1b95-4340-9717-d613f682b22a>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00510-ip-10-147-4-33.ec2.internal.warc.gz"} |
Homework Help
Posted by Soly on Tuesday, April 17, 2007 at 4:08pm.
I have another expression that I need help with.
If the hours worked are less than or equal to 40 return the pay as hours worked times hourly wage.
-hours*hourlywwage (this is my expression)
Otherwise return the pay as the first 40 hours worked times th... | {"url":"http://www.jiskha.com/display.cgi?id=1176840536","timestamp":"2014-04-16T13:33:41Z","content_type":null,"content_length":"10184","record_id":"<urn:uuid:f11ebb22-f082-4117-8249-28b7546a62e1>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00483-ip-10-147-4-33.ec2.internal.warc.g... |
Competitive learning and soft competition for vector quantizer design
Results 1 - 10 of 25
- Proceedings of the IEEE , 1998
"... this paper. Let us place it within the neural network perspective, and particularly that of learning. The area of neural networks has greatly benefited from its unique position at the crossro... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1301074","timestamp":"2014-04-21T00:56:13Z","content_type":null,"content_length":"40538","record_id":"<urn:uuid:7aaa7bec-395c-4be8-9754-5b4194b0a3c8>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00275-ip-10-147-4-33.ec2.internal.wa... |
Online Number Theory Tutoring
What is Number Theory?
Number theory is a field of pure mathematics and is considered to be one of the oldest still relevant and in use today. It is generally related to the properties of whole numbers and rational numbers
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Colleyville Trigonometry Tutor
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May 29th 2006, 12:21 PM
Historically, final exam scores in regular session Psychology 281 have been normally distributed with a mean of 72%. 95% of all students obtain scores between 52 and 92.
What percentage of the students obtain scores between 80 and 86? [13.24%]
If a random sample of 45 Psych 281 stude... | {"url":"http://mathhelpforum.com/advanced-statistics/3159-help-print.html","timestamp":"2014-04-16T16:54:39Z","content_type":null,"content_length":"6825","record_id":"<urn:uuid:dd9588e0-5dbc-4880-9e63-a1aff0bc20ba>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00403-ip-10-147-4-33.ec... |
Haskell for Maths
[New version HaskellForMaths 0.1.7 uploaded
Last week, we looked at the finite fields of prime order, Fp. A field, remember, is a set in which you can do addition, subtraction, multiplication and division. For a given prime p, the field Fp
consists of the set {0, 1, ..., p-1}, with arithmetic operatio... | {"url":"http://haskellformaths.blogspot.com/2009/08/extension-fields.html?showComment=1253101197281","timestamp":"2014-04-17T10:02:56Z","content_type":null,"content_length":"58011","record_id":"<urn:uuid:ba28a283-1952-4f57-ac71-b8a670ba4773>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032... |
WyzAnt Resources
I would like to know how to go about getting the answer to these questions. 1. Empirical Rule: Mean is 84 with a standard deviation of 7. Approximately how much is between...
How much do the middle 68% of customers purchase?
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Binomial Theorem
November 14th 2007, 06:17 PM #1
Oct 2006
Binomial Theorem
The first four terms in the expansion of $(1+px)^{n}$, where $n>0$ are $1+qx+66k^{2}x^{2}+5940x^{3}$. Calculate the value of n, of p and of q.
Last edited by acc100jt; November 14th 2007 at 06:58 PM.
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Lambda the Ultimate Macro
In a series of papers, Jean Goubault-Larrecq has established a relationship between modal logic systems and type systems for metaexpressions, i.e. (quasi-)quoted expressions. I will use a pseudo Lisp
syntax and furthermore I will write quote for both quote and quasiquote. In such systems, if (... | {"url":"http://lambda-the-ultimate.org/node/1266","timestamp":"2014-04-17T12:40:53Z","content_type":null,"content_length":"16707","record_id":"<urn:uuid:e4a4b331-fc48-4aeb-b7a5-350361026792>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00199-ip-10-147-4-33.ec2.internal.warc.gz"} |
Colleyville Trigonometry Tutor
...So whether you want to emphasize a specific subject or work through your entire course schedule, I am your gal!Studying at MIT taught me the value of being organized. It was not enough to do
the problems in the book or to attend lecture. Constant study of the subject was required t... | {"url":"http://www.purplemath.com/Colleyville_trigonometry_tutors.php","timestamp":"2014-04-18T11:08:42Z","content_type":null,"content_length":"24345","record_id":"<urn:uuid:30abd95b-90e4-4cee-8474-116f9f1d2bdd>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00242-ip-10-147-4-33.ec2.i... |