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Posts from May 2007 on Quantum Quandaries
Since I get asked a lot, I have added a collection of links to resources on quantum foundations to the About page. Any suggestions for additions will be gratefully received, especially if you know
of any good quality popular talks that can be viewed online.
P.S. In case you w... | {"url":"http://mattleifer.wordpress.com/2007/05/","timestamp":"2014-04-18T13:28:12Z","content_type":null,"content_length":"31984","record_id":"<urn:uuid:641ae0a8-1586-49f4-bf95-84194cbba054>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00137-ip-10-147-4-33.ec2.internal.warc.gz"} |
First Connect Three
Copyright © University of Cambridge. All rights reserved.
'First Connect Three' printed from http://nrich.maths.org/
Are some numbers part of more lines of three than others? This might affect whether we aim for them or not.
How can you get $1$ by throwing the two dice? How many ways are there altog... | {"url":"http://nrich.maths.org/5865/clue?nomenu=1","timestamp":"2014-04-18T11:38:24Z","content_type":null,"content_length":"3510","record_id":"<urn:uuid:26c0ed4d-5dc6-4bb8-96b4-14e33715ba39>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00200-ip-10-147-4-33.ec2.internal.warc.gz"} |
Penns Park Math Tutor
Find a Penns Park Math Tutor
...Using this program we will also work on phonemic and morphological awareness (paying attention to prefixes, roots, and suffixes). I have taught grades 1-6 in NJ public schools, and have
extensive experience in Words Their Way, Wilson Reading Program, reader's an... | {"url":"http://www.purplemath.com/Penns_Park_Math_tutors.php","timestamp":"2014-04-16T13:20:22Z","content_type":null,"content_length":"23723","record_id":"<urn:uuid:1aff5fce-06b1-44dd-ae6d-ddccc4f98f41>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00106-ip-10-147-4-33.ec2.internal.w... |
Printable Paper with LaTeX and TikZ
A little while ago, I played around with TikZ to make printable paper. As it turns out, this is absolutely trivial, and with just a few lines you can generate pretty much anything you can imagine.
Here are the examples that I generated:
A4 paper
Blank Paper
Ruled Paper
Graph Paper
Un... | {"url":"http://michaelgoerz.net/blog/2009/07/printable-paper-with-latex-and-tikz/","timestamp":"2014-04-17T21:23:16Z","content_type":null,"content_length":"16814","record_id":"<urn:uuid:6b5b86d7-9eb7-4f75-9c7c-de14e905b492>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00366-ip-10-14... |
Why does importing Control.Applicative allow this bad code to type check?
up vote 7 down vote favorite
I'm helping a friend learn Haskell and he recently created code like this, which type checks and produces a CPU-burning loop at runtime. I'm completely baffled by this.
import Control.Monad
import Control.Applicative
... | {"url":"http://stackoverflow.com/questions/9753389/why-does-importing-control-applicative-allow-this-bad-code-to-type-check","timestamp":"2014-04-19T17:49:35Z","content_type":null,"content_length":"70112","record_id":"<urn:uuid:295e3340-37fc-41ca-829b-dd371176cc7a>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/... |
Janet's trays
May 29th 2011, 07:54 AM #1
Mar 2009
Janet's trays
Janet is making trays for an experiment by fitting glass squares into a frame. She uses 8 squares for each tray, 6 clear ones and 2 red ones. The trays can be stacked on top of each other and
rotated (180 degrees) but not flipped. She deided to... | {"url":"http://mathhelpforum.com/math-topics/181951-janet-s-trays.html","timestamp":"2014-04-17T05:33:33Z","content_type":null,"content_length":"25684","record_id":"<urn:uuid:02c2789c-a569-4c2b-899a-2598fc95b885>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00484-ip-10-147-4-33.ec2.... |
Inverse image of a function defined on R
October 11th 2011, 05:40 PM #1
Dec 2008
The question's listed below:
Let f be a real-valued function defined on R (real). Show that the inverse image with respect to f of an open set is open, of a closed set is closed, and of a Borel set is Borel.
Thank you so mu... | {"url":"http://mathhelpforum.com/differential-geometry/190128-inverse-image-function-defined-r.html","timestamp":"2014-04-21T00:12:22Z","content_type":null,"content_length":"32929","record_id":"<urn:uuid:a510decf-f55e-40a2-b2aa-f7f1938a4c4b>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005... |
Centre of a group proof
May 4th 2012, 08:16 PM #1
Mar 2012
Centre of a group proof
I have this question which asks to prove that if a group has an element, a such that |a|=2, (exactly one order 2 element a) that this element is in the centre of the group.
so ag=ga for all g in G
aga^-1=g, aa^-1g=g so aa... | {"url":"http://mathhelpforum.com/advanced-algebra/198371-centre-group-proof.html","timestamp":"2014-04-17T23:14:02Z","content_type":null,"content_length":"43350","record_id":"<urn:uuid:109ba282-e90e-4e48-b52a-72a014704cc8>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00490-ip-10-147... |
beta distribution probability density function proof
1. November 11th 2008, 09:05 AM #1
2. November 11th 2008, 09:52 AM #2
Prove $B(p,q)=\int_{0}^{1}x^{p-1}(1-x)^{q-1}dx=\frac{{\Gamma}(p){\Gamma}(q)}{{\Gamma}(p+q)}$
$B(p,q)=\frac{{\Gamma}(p){\Gamma}(q)}{{\Gamma}(p+q) }$....[1]
Start with $... | {"url":"http://mathhelpforum.com/advanced-statistics/58973-beta-distribution-probability-density-function-proof.html","timestamp":"2014-04-17T19:39:06Z","content_type":null,"content_length":"40088","record_id":"<urn:uuid:372fd0e4-1597-4d4f-bc8f-cd97d1004a21>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC... |
Find the Coordinates of Point p
Date: 10/22/2002 at 03:09:45
From: Erwin Schwarz
Subject: Solving Radical Equations
I'm trying to help my daughter with her Grade 11 math. The chapter is
titled Solving Radical Equations and Inequalities, but I'm struggling
with helping her on a particular question that goes like this:
P... | {"url":"http://mathforum.org/library/drmath/view/61604.html","timestamp":"2014-04-21T12:24:07Z","content_type":null,"content_length":"7854","record_id":"<urn:uuid:fd87bdab-f5b9-4e58-8f0a-8619cf910684>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00608-ip-10-147-4-33.ec2.internal.war... |
Tinley Park Math Tutor
...I have taught basic discrete/finite math (probability, combinatorics, naive set theory, basic linear algebra, linear programming) at the college level. I also wrote a study guide covering all
the above topics. Used copies of the study guide are still available on amazon.com.
24 Subjects:... | {"url":"http://www.purplemath.com/Tinley_Park_Math_tutors.php","timestamp":"2014-04-18T04:27:07Z","content_type":null,"content_length":"23588","record_id":"<urn:uuid:7392469b-914c-4318-bd5e-72e330dfc6cd>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00001-ip-10-147-4-33.ec2.internal.... |
Generic Behavior of the Density of States in Random Matrix Theory and Equilibrium Problems in the Presence of Real Analytic External Fields
Generic Behavior of the Density of States in Random Matrix Theory and Equilibrium Problems in the Presence of Real Analytic External Fields (2000)
Download Links
by A. B. J. Kuijla... | {"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.23.7665","timestamp":"2014-04-20T02:14:52Z","content_type":null,"content_length":"33454","record_id":"<urn:uuid:4c9e26eb-b3b8-4b05-94bc-dab48b82fcec>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00172-ip-10-147-4-33.ec2.... |
Lucky babies redux
Two babies born at 8:08 am on 8/8/08, weighing eight pounds, eight ounces
, both in the United States.
How many would you expect?
2007 crude birth rate for the US
is 14.2 per 1000, per year; the
estimated US population
is 304,843,316. The product of these is 4,328,775 births per year, or 8.25 births ... | {"url":"http://godplaysdice.blogspot.com/2008/08/lucky-babies-redux.html","timestamp":"2014-04-16T13:56:30Z","content_type":null,"content_length":"58008","record_id":"<urn:uuid:aa750f87-8ad0-41ff-96d8-08090c974232>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00238-ip-10-147-4-33.ec... |
Sekino's Fractal Gallery
Logistic Equation
This picture is a Mandelbrot pattern given by the logistic equation
z[n+1 ]= p(1 - z[n]) z[n] ,
with... | {"url":"http://www.willamette.edu/~sekino/fractal/logistic.htm","timestamp":"2014-04-20T18:44:29Z","content_type":null,"content_length":"3756","record_id":"<urn:uuid:02c0d2b7-53fc-4e13-9560-5a4912ec3de7>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00330-ip-10-147-4-33.ec2.internal.... |
Kenmore Trigonometry Tutor
Find a Kenmore Trigonometry Tutor
...I enjoy tutoring Algebra 2, trying to make it interesting and easy to learn. With my years of tutoring experience, I've helped many students improve their math grades. If you don't understand
something or can't solve a math problem, I can simplify it u... | {"url":"http://www.purplemath.com/kenmore_trigonometry_tutors.php","timestamp":"2014-04-17T04:47:08Z","content_type":null,"content_length":"24150","record_id":"<urn:uuid:e5de401d-9a7c-485c-8d15-563cce25b871>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00089-ip-10-147-4-33.ec2.intern... |
A. The Landauer approach in a nonorthogonal basis
B. Details of the implementation
C. Ghost transmission
A. Basic considerations
B. Influence of the basis function type and the size of the extended molecule | {"url":"http://scitation.aip.org/content/aip/journal/jcp/132/2/10.1063/1.3283062","timestamp":"2014-04-19T21:02:39Z","content_type":null,"content_length":"93678","record_id":"<urn:uuid:dd45cc26-725e-47f9-a2f8-34080c583be6>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00434-ip-10-147... |
Noncommutative geometry
LHC beams produced the first collisions at 7 TeV yesterday. The event, transmitted live on the CERN webcast is now reported at http://public.web.cern.ch/public/
It is good reason for celebration for all those who have been, in one way or another, involved in the study of models for elementary ... | {"url":"http://noncommutativegeometry.blogspot.com/2010_03_01_archive.html","timestamp":"2014-04-17T21:23:14Z","content_type":null,"content_length":"95184","record_id":"<urn:uuid:a2b107ae-059c-44fa-9fed-3c887682a343>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00201-ip-10-147-4-33.... |
Multilevel Rasch
After years of studying and applying quantitative social science research methods, it has become easier to catch glimpses of larger connections between seemingly independent methodological
approaches. I have learned, for example, that survey development has a lot in common with test development. I have... | {"url":"http://blog.lib.umn.edu/moor0554/canoemoore/2010/02/multilevel_rasch.html","timestamp":"2014-04-20T21:13:51Z","content_type":null,"content_length":"27742","record_id":"<urn:uuid:23e9e212-a297-4515-9a4f-6ce05fa630d2>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00045-ip-10-14... |
Word Problem Database
Multiplication and Division - Level 2
1. Mrs. Dee Vision formed three problem-solving teams in her class.
Each team was asked to bring three colored markers, four times the number of pencils as markers, and twice the number of sheets of graph paper as pencils.
How many sheets of graph pap... | {"url":"http://www.mathplayground.com/wpdatabase/MDLevel2_4.htm","timestamp":"2014-04-17T21:47:10Z","content_type":null,"content_length":"50734","record_id":"<urn:uuid:ee2efc6f-dad2-4858-ae6c-7bbc90d5d00d>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00063-ip-10-147-4-33.ec2.interna... |
South Chicago Heights, IL Math Tutor
Find a South Chicago Heights, IL Math Tutor
...Therefore, my ability to adapt to different learning curves will be a great asset when I am a teacher. I will be able to teach every student to his or her potential. Throughout my college
career I was involved in an internship throu... | {"url":"http://www.purplemath.com/South_Chicago_Heights_IL_Math_tutors.php","timestamp":"2014-04-21T00:01:29Z","content_type":null,"content_length":"24500","record_id":"<urn:uuid:d55ca078-fbb0-413c-acc9-f8556737b9ff>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00092-ip-10-147-4-33.e... |
Find the abscissa of the pointThe ordinate of a point is 6 and the distance from origin to the point is 9. Find the... - Homework Help - eNotes.com
Find the abscissa of the point
The ordinate of a point is 6 and the distance from origin to the point is 9. Find the abscissa of the point.
We know that we can find the ord... | {"url":"http://www.enotes.com/homework-help/find-abscissa-point-399922","timestamp":"2014-04-20T12:40:08Z","content_type":null,"content_length":"25150","record_id":"<urn:uuid:3b38e74d-7d98-486d-9464-8a7d9ecf0e2e>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00428-ip-10-147-4-33.ec2.... |
Standard Deviation-What?
Number of results: 10,723
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be
between 158 and 172 cm tall?
Saturday, August 27, 2011 at 6:02am by Anonymou... | {"url":"http://www.jiskha.com/search/index.cgi?query=Standard+Deviation-What%3F&page=20","timestamp":"2014-04-18T23:23:44Z","content_type":null,"content_length":"41263","record_id":"<urn:uuid:c082eda6-506d-44ef-84f0-4131d59201f5>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00078-ip... |
Fords Algebra 2 Tutor
Find a Fords Algebra 2 Tutor
...He has been a full-time teacher for 2 years, including 2 years as a substitute classroom teacher in Middlesex County for grades K-12. Uri also tutored Spanish to children and adults of all
levels, as well as other subjects at Middlesex County College. He loves t... | {"url":"http://www.purplemath.com/Fords_Algebra_2_tutors.php","timestamp":"2014-04-18T04:18:45Z","content_type":null,"content_length":"23636","record_id":"<urn:uuid:b40875f5-867e-4307-8ae4-94bb5512f2f2>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00330-ip-10-147-4-33.ec2.internal.wa... |
cylinder volume and surface area relation
September 19th 2011, 11:44 PM #1
Sep 2011
soo the question is: there is a volume of 750cm^3 of molten metal available, find the minimum dimensions to create a cylinder.
it sounds quite vague from looking at it. ive tried using both the volume and total surface area ... | {"url":"http://mathhelpforum.com/calculus/188391-cylinder-volume-surface-area-relation.html","timestamp":"2014-04-17T02:32:31Z","content_type":null,"content_length":"32835","record_id":"<urn:uuid:953dd499-4e29-48ce-9798-d3da17c93a35>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-0018... |
Standard Deviation-What?
Number of results: 10,723
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be
between 158 and 172 cm tall?
Saturday, August 27, 2011 at 6:02am by Anonymou... | {"url":"http://www.jiskha.com/search/index.cgi?query=Standard+Deviation-What%3F&page=20","timestamp":"2014-04-18T23:23:44Z","content_type":null,"content_length":"41263","record_id":"<urn:uuid:c082eda6-506d-44ef-84f0-4131d59201f5>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00078-ip-... |
Fibonacci numbers: the slow way or the fast and lazy way
Fibonacci numbers are a series of numbers such as 1,1,2,3,5,8,13,21,34,55,….
You can write a simple program, such as the one given below, in any language such as perl, python, ruby, javascript, php, java, haskell etc.
slowFib 0 = 0
slowFib 1 = 1
slowFib n = slowF... | {"url":"http://blog.srinivasan.biz/software/fibonacci-numbers-the-slow-way-or-the-fast-and-lazy-way","timestamp":"2014-04-17T09:34:59Z","content_type":null,"content_length":"40103","record_id":"<urn:uuid:5bcade42-95cc-4580-b8a0-d4053dd840c4>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032... |
Metuchen Algebra 1 Tutor
...Thank you for considering me!Currently tutor Algebra 1 at Sylvan Learning Center. I enjoy teaching this type of math. Instead of always clicking the "thesaurus" button on their computers, I
encourage my students to learn new vocabulary words and practice them in their writing.
9 Subjec... | {"url":"http://www.purplemath.com/metuchen_nj_algebra_1_tutors.php","timestamp":"2014-04-17T21:54:06Z","content_type":null,"content_length":"23937","record_id":"<urn:uuid:4b1e3db6-9442-44a6-af74-ee5f0ebed54b>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00063-ip-10-147-4-33.ec2.inte... |
Quantization and Cohomology (Week 14)
Posted by John Baez
This week in our course on Quantization and Cohomology, I decided it was time to do an example for the students who’d never seen path integrals:
• Week 14 (Feb. 13) - An example of path-integral quantization: the free particle on a line (part 1).
Last week’s n... | {"url":"http://golem.ph.utexas.edu/category/2007/02/quantization_and_cohomology_we_13.html","timestamp":"2014-04-21T07:04:50Z","content_type":null,"content_length":"16880","record_id":"<urn:uuid:b0acda13-1b0a-46e5-ae34-aca6f789213b>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00577... |
Department Store Problem
May 14th 2008, 05:43 AM #1
Apr 2008
Department Store Problem
As a buyer for a large department store, you must decide how
many of a new style of coat to order. Because of rapid changes
itn fashion, you do not want to order too many coats, but if you
order too few you will lo... | {"url":"http://mathhelpforum.com/advanced-statistics/38316-department-store-problem.html","timestamp":"2014-04-17T09:50:51Z","content_type":null,"content_length":"30216","record_id":"<urn:uuid:7e8d32a3-7ec5-4368-a6a5-1611f1680953>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00633-i... |
DIY Sun Hat -- Pattern Tutorial
Today and tomorrow, I’m going to show you how to make a cute little sunhat! Today, I will show you how to make the pattern for the hat, and tomorrow I will show you
how to make the hat
Use measuring tape to measure the circumference of your head. Don’t hold the tape too tight; you want t... | {"url":"http://dulcetaylor.blogspot.com/2011/08/diy-sun-hat-pattern-tutorial.html","timestamp":"2014-04-17T15:26:23Z","content_type":null,"content_length":"79457","record_id":"<urn:uuid:0ea3d03e-6ed3-43e2-bc01-1d12ecd9d9a4>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00571-ip-10-147... |
Math 348
Continuous Optimization
This course focuses on modeling and solving problems in continuous optimization, which includes the areas of mathematical programming, dynamic programming, and control theory. We will follow the text
of P. Pedregal titled "Introduction to Optimization," which gives a wonderful introduct... | {"url":"http://holderfamily.dot5hosting.com/aholder/teach/courses/spring2010/ContOpt/index.shtml","timestamp":"2014-04-19T04:19:01Z","content_type":null,"content_length":"4277","record_id":"<urn:uuid:4091b285-b25c-47e3-8b0a-10653cd51c25>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-... |
Rajesh Srinivas
fOEstal Engineering Archives
University of florida
I would like to express my sincere gratitude to my advisor and chairman of
my graduate committee, Dr. Ashish J. Mehta, for his valuable and imaginative
guidance and ideas which have made this thesis possible. I am indebted to him
for going out of his wa... | {"url":"http://ufdc.ufl.edu/UF00076141/00001","timestamp":"2014-04-18T08:49:03Z","content_type":null,"content_length":"183388","record_id":"<urn:uuid:5ee71bf4-1e91-4134-909d-56ed3b9d7c5e>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00003-ip-10-147-4-33.ec2.internal.warc.gz"} |
Partition of a number with no 1s
November 26th 2012, 08:36 AM
Partition of a number with no 1s
I have problems solving this problem:
How many partitions of a number n are there, if none of the components of the partition equals 1?
What I've got so far is that for
n=1 we have 0,
n=2 and n=3 we have 1... | {"url":"http://mathhelpforum.com/discrete-math/208465-partition-number-no-1s-print.html","timestamp":"2014-04-20T06:20:37Z","content_type":null,"content_length":"8095","record_id":"<urn:uuid:6e52061a-95d2-4087-bbe0-539699bfe78e>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00144-ip-... |
sorting algorithms ... [Archive] - MacRumors Forums
Well maybe thuis is not really "mac programming" related but i hope that some of you guys plz help me.......I'm looking for at least 40 different sorting algorithms ....ar least the name of the
algorithm............well cya!
have you asked Google... Google seems to k... | {"url":"http://forums.macrumors.com/archive/index.php/t-177751.html","timestamp":"2014-04-17T10:13:14Z","content_type":null,"content_length":"11316","record_id":"<urn:uuid:a93a618d-1cab-4871-b41a-ea7ecaf44f12>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00100-ip-10-147-4-33.ec2.int... |
Institute for Mathematics and its Applications (IMA)
- Modeling and Analysis of Communication Circuit Performance using Markov Chains and Efficient Graph Representations
by Alper Demir
Alper Demir
... | {"url":"https://www.ima.umn.edu/reactive/abstract/demir1.html","timestamp":"2014-04-19T01:53:34Z","content_type":null,"content_length":"15804","record_id":"<urn:uuid:60a937cd-983e-4275-8e8f-96b4d39d2b75>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00021-ip-10-147-4-33.ec2.internal.w... |
Calculus Problem
You are going to be using the formula $V=\int^b_aA(x)dx$ First see that you are taking the integral from $x=0$ until $x=8$ that is when it intersects the x and y axes. Now you need to find $A(x)$:
Notice that $x+2y=8$ implies $y=-\frac{1}{2}x+8$. At $x$ the width of the line perpendicular to the x-axis... | {"url":"http://mathhelpforum.com/calculus/2248-calculus-problem.html","timestamp":"2014-04-16T08:18:33Z","content_type":null,"content_length":"42283","record_id":"<urn:uuid:a681d8af-b862-4512-b8f2-00cd274bea95>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00412-ip-10-147-4-33.ec2.in... |
A Proof of Riemann Hypothesis Using the Growth of Mertens Function M(x)
Authors: Young-Mook Kang
A study of growth of M(x) as x → ∞ is one of the most useful approach to the Riemann hypophotesis(RH). It is very known that the RH is equivalent to which M(x) = O(x^1/2+ε) for ε > 0. Also Littlewood
proved that "the RH is ... | {"url":"http://vixra.org/abs/1003.0004","timestamp":"2014-04-16T21:55:14Z","content_type":null,"content_length":"7500","record_id":"<urn:uuid:ae69e39a-7bea-4d56-ba04-973e144107f7>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00245-ip-10-147-4-33.ec2.internal.warc.gz"} |
Posts about bra-ket notation on Physics pages
Matrix elements: example
Required math: calculus, vectors
Required physics: none
References: Griffiths, David J. (2005), Introduction to Quantum Mechanics, 2nd Edition; Pearson Education – Section 3.6; Problem 3.22.
As a simple example of the bra-ket notation and the matrix... | {"url":"http://physicspages.com/tag/bra-ket-notation/","timestamp":"2014-04-20T14:24:27Z","content_type":null,"content_length":"68338","record_id":"<urn:uuid:3baff896-5ec0-48d3-9981-7b220ee682e6>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00395-ip-10-147-4-33.ec2.internal.warc.gz"... |
Quasi-Eigen Systems
In a previous note we discussed the equivalence between eigenvalues and eigenvectors, and briefly considered the mapping between the normalized components of an eigenvector and the ratios of the
components (i.e., eigenvalues) of that same vector. In either of these interpretations, only the ratios o... | {"url":"http://mathpages.com/home/kmath671/kmath671.htm","timestamp":"2014-04-16T19:27:29Z","content_type":null,"content_length":"27504","record_id":"<urn:uuid:8538d94f-c342-4f81-bdf1-01f6c1e60223>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00219-ip-10-147-4-33.ec2.internal.warc.gz... |
Texas Instruments calculators
And don't forget the TI-59, from 1977. With its almost 1000 programming steps and 100 numbers of memory it was a true beast back then. Adding the PC100 printer/docking station, you had a serious
computer on your desk.
The list of Texas Instruments calculators is sorted chronological from o... | {"url":"http://calculators.torensma.net/index.php?page.id=4","timestamp":"2014-04-19T11:56:00Z","content_type":null,"content_length":"34517","record_id":"<urn:uuid:ea751721-f3c3-4909-af15-f2523084a508>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00139-ip-10-147-4-33.ec2.internal.war... |
The sum of n consecutive positive integers is 45
Author Message
Re: Good set of DS 3 [#permalink] 03 Jan 2010, 02:14
Bunuel wrote:
... | {"url":"http://gmatclub.com/forum/the-sum-of-n-consecutive-positive-integers-is-85413-40.html","timestamp":"2014-04-18T14:03:36Z","content_type":null,"content_length":"264056","record_id":"<urn:uuid:35f6a535-28be-45d8-80e8-29bd3d89b017>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-0... |
Zero skew clock routing with minimum wirelength
Results 1 - 10 of 55
- Integration, the VLSI Journal , 1996
"... This paper presents a comprehensive survey of existing techniques for interconnect optimization during the VLSI physical design process, with emphasis on recent studies on interconnect design
and optimizatio... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=172307","timestamp":"2014-04-18T01:16:45Z","content_type":null,"content_length":"41920","record_id":"<urn:uuid:83b957e9-2c71-4034-83a5-6cf3e0f1f352>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00493-ip-10-147-4-33.ec2.internal.war... |
Area Window
Area Window
^Fig.: Area Window
For most fractals in ChaosPro a rectangular area must be specified from the two dimensional complex number plane. This window lets you define it. Additionally you can rotate the area arou... | {"url":"http://www.chaospro.de/documentation/html/windows/area.htm","timestamp":"2014-04-16T13:05:01Z","content_type":null,"content_length":"31611","record_id":"<urn:uuid:7d719a4c-51f9-4157-b28d-c90a8aa0f3c9>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00142-ip-10-147-4-33.ec2.inter... |
COLL C105 29401 Quantum Mysteries for Everyone
College of Arts and Sciences | Quantum Mysteries for Everyone
C105 | 29401 | Hagar, A.
COLL-C 105 29401 Quantum Mysteries for Everyone (Hagar, A.: History
and Philosophy of Science) (N & M) (3 cr.)
10:10-11:00AM MW
This course explores one of the most fundamental questions... | {"url":"http://www.indiana.edu/~deanfac/blfal11/coll/coll_c105_29401.html","timestamp":"2014-04-20T00:54:19Z","content_type":null,"content_length":"2572","record_id":"<urn:uuid:35f127f3-f9eb-4216-8c37-a4552fef1646>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00097-ip-10-147-4-33.ec2... |
Mathematics Weblog
Tuesday 31 January 2006 at 9:41 pm | In
1 Comment
It’s not often that mathematics makes an appearance on British TV so I was suprised to see it in Lewis, ITV’s follow up to the Inspector Morse series (see for example Lewis, and the Ghost of
Inspector Morse and Newsnight Review).
Oxford University oft... | {"url":"http://www.sixthform.info/maths/?m=200601","timestamp":"2014-04-21T04:32:40Z","content_type":null,"content_length":"21108","record_id":"<urn:uuid:b52a1b61-f31e-4754-89c4-6ce187cc5576>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00347-ip-10-147-4-33.ec2.internal.warc.gz"} |
Institute for Mathematics and its Applications (IMA)
Capturing complex interactions among a large set of variables is a challenging task. Probabilistic graphical models decouple these interactions into two parts, viz., structural or qualitative
relationships represented by a graph, and parametric or quantitative relati... | {"url":"http://ima.umn.edu/2011-2012/W3.26-30.12/abstracts.html","timestamp":"2014-04-20T01:31:23Z","content_type":null,"content_length":"85829","record_id":"<urn:uuid:e5854ca4-cc93-486d-92ac-5fac5fa0a0c7>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00488-ip-10-147-4-33.ec2.internal... |
Atomic and photonic collisions (atomic interactions) is a very wide topic, going all the way from thermal atom transfer collisions (chemical reactions) to relativistic collisions with the emission of
subatomic particles. Here we will limit the discussion to processes that are of importance in important application of h... | {"url":"http://www.virginia.edu/ep/Interactions/1__introduction_&_collision_kinematics.htm","timestamp":"2014-04-17T15:48:32Z","content_type":null,"content_length":"14581","record_id":"<urn:uuid:21cc2b9a-3d6e-4f1e-9a6f-4d88799dc478>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00639-... |
Homework Help
Posted by Abhishek Ranjan on Monday, June 10, 2013 at 1:35am.
A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head, can be written as ab, where a and b are coprime positive integers. What
is the value of a+b?
• Geometry - MathMate, ... | {"url":"http://www.jiskha.com/display.cgi?id=1370842541","timestamp":"2014-04-19T22:43:35Z","content_type":null,"content_length":"9163","record_id":"<urn:uuid:5572cc8d-d031-404d-95eb-4e15a624efe8>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00383-ip-10-147-4-33.ec2.internal.warc.gz... |
[SciPy-User] scipy.interpolate.KroghInterpolator: output confusion.
[SciPy-User] scipy.interpolate.KroghInterpolator: output confusion.
Anne Archibald peridot.faceted@gmail....
Fri Oct 16 02:40:09 CDT 2009
2009/10/16 Marco Nicoletti <nicoletti@consorzio-innova.it>:
> Dear all,
> I have found something that loks like a ... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2009-October/022923.html","timestamp":"2014-04-16T19:22:58Z","content_type":null,"content_length":"4844","record_id":"<urn:uuid:bad12839-e739-48f7-a870-48aa6fcd419b>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00434-ip-10-147-4-33.... |
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What are the basic techniques one should cover to crack IIT JE... | {"url":"http://openstudy.com/updates/50f43689e4b0abb3d87056c0","timestamp":"2014-04-16T10:35:04Z","content_type":null,"content_length":"54469","record_id":"<urn:uuid:75d44845-9269-4dbf-a1ae-d2aeff69bc62>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00258-ip-10-147-4-33.ec2.internal.... |
Function to show the lowest represented element in a list
up vote 1 down vote favorite
If you have a list such as this in Haskell:
data TestType = A | B | C deriving (Ord, Eq, Show)
List1 :: [TestType]
List1 = [A,B,C,B,C,A,B,C,C,C]
Is it possible to write a function to determin which element is represented the least in... | {"url":"http://stackoverflow.com/questions/9340673/function-to-show-the-lowest-represented-element-in-a-list","timestamp":"2014-04-18T21:06:51Z","content_type":null,"content_length":"80164","record_id":"<urn:uuid:d23650ec-1b33-4061-8f48-55324e56c76b>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20... |
PSY P648 22187 Choice Behavior
Psychology and Brain Sciences | Choice Behavior
P648 | 22187 | Busemeyer, J.
Choice is the behavioral interface between the brain and the
environment, and consequently, understanding this basic process is
fundamental to all fields of human activity. This course will begin
with what is con... | {"url":"http://www.indiana.edu/~deanfac/blfal07/psy/psy_p648_22187.html","timestamp":"2014-04-16T21:56:39Z","content_type":null,"content_length":"1579","record_id":"<urn:uuid:b4604cb9-c378-4e9b-b9c2-d579c28781c9>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00125-ip-10-147-4-33.ec2.i... |
more trigonometry
$sin^2(\frac{\pi}{8}+\frac{A}{2})-sin^2(\frac{\pi}{8}-\frac{A}{2})=\frac{1}{\sqrt{2}}sinA$ I was having trouble proving this and was wondering if anyone could help me out... thanks in advance.
Last edited by slevvio; November 10th 2007 at 01:52 AM.
Not true: $sin \left ( \frac{\pi}{2} + \frac{A}{2} \r... | {"url":"http://mathhelpforum.com/trigonometry/22374-more-trigonometry.html","timestamp":"2014-04-25T02:11:52Z","content_type":null,"content_length":"59841","record_id":"<urn:uuid:59158f47-d336-47cb-aa71-0c0938d1e49d>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00042-ip-10-147-4-33.... |
Results 11 - 20 of 2,475
- IEEE TRANS. IMAGE PROCESS , 2007
"... We propose a novel image denoising strategy based on an enhanced sparse representation in transform domain. The enhancement of the sparsity is achieved by grouping similar 2-D image fragments
(e.g., blocks) into 3-D data arrays which we call “groups.” Col... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=11324&sort=cite&start=10","timestamp":"2014-04-20T04:57:58Z","content_type":null,"content_length":"40754","record_id":"<urn:uuid:7177ba97-ff16-41ec-831d-c0c92034da5e>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00250-ip-10-147-4-3... |
User Gene S. Kopp
bio website www-personal.umich.edu/~gkopp
location University of Michigan
age 25
visits member for 3 years, 8 months
seen yesterday
stats profile views 1,131
I am a math graduate student at the University of Michigan. I graduated from the... | {"url":"http://mathoverflow.net/users/8410/gene-s-kopp?tab=activity","timestamp":"2014-04-17T04:23:18Z","content_type":null,"content_length":"46164","record_id":"<urn:uuid:4e1cb4e7-c462-48ab-85d3-e2c607cb1868>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00464-ip-10-147-4-33.ec2.int... |
Knot Theory and Its Applications
Results 1 - 10 of 43
- J. ACM , 1999
"... We consider the problem of deciding whether a polygonal knot in 3-dimensional Euclidean space is unknotted, capable of being continuously deformed without self-intersection so that it lies in a
plane. We show that this problem, unknotting proble... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1952656","timestamp":"2014-04-21T00:51:37Z","content_type":null,"content_length":"35051","record_id":"<urn:uuid:ef71f6c0-c55f-4b2d-8009-9c2b9ed34779>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00163-ip-10-147-4-33.ec2.internal.wa... |
Solving Linear Equations
Date: 03/18/97 at 02:21:05
From: Anonymous
Subject: Solving Linear Equations
Dr. Math,
What are the steps to solve linear equations?
Date: 03/18/97 at 14:14:59
From: Doctor Rob
Subject: Re: Solving Linear Equations
To solve a single linear equation in one unknown, like
7*x - 4 = 4*x + 8,
The st... | {"url":"http://mathforum.org/library/drmath/view/57409.html","timestamp":"2014-04-21T05:23:52Z","content_type":null,"content_length":"6750","record_id":"<urn:uuid:cee4f10e-f229-4489-8996-e5473883c9b1>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00068-ip-10-147-4-33.ec2.internal.war... |
March 22nd, 2013, 01:49 PM
Concurrency Project
A simple computer game allows game characters to move around a 2D space discretized into a grid, with each character or obstacle fully occupying a grid cell, and each character moving atomically
to adjacent cells. Given a destination, characters search for the ... | {"url":"http://www.javaprogrammingforums.com/%20whats-wrong-my-code/26156-concurency-printingthethread.html","timestamp":"2014-04-18T08:03:34Z","content_type":null,"content_length":"6244","record_id":"<urn:uuid:94fbd37c-744d-4a89-a0dc-7a0786fc89fb>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-2014... |
What is your favorite math, why, & how do you study for it?
Well its been difficult to give an answer but my favorite math part is Linear equation. I got 80 out of 90 and i was one of the topper of my class. Linear equation is an algebraic equation in which
each term is either a constant or a single variable. Linear eq... | {"url":"http://www.purplemath.com/learning/viewtopic.php?f=18&t=66&start=10","timestamp":"2014-04-16T13:26:02Z","content_type":null,"content_length":"18610","record_id":"<urn:uuid:edccbf2b-c40e-4f8c-9d0a-0f952077bce4>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00011-ip-10-147-4-33... |
Calculate the Mean Average. Worksheets With Answers for Calculating the Mean
Worksheet 1 in PDF
In statistics, you will encounter the mean, the median, the mode and the range. The mean average is one method of calculating an average. The mean, the mode and the median are all averages used for
data sets such as populati... | {"url":"http://math.about.com/od/workshee2/ss/Calculating-The-Mean-Worksheets.htm","timestamp":"2014-04-17T15:52:49Z","content_type":null,"content_length":"43910","record_id":"<urn:uuid:53257d46-2c2e-460d-a3ef-b803e1d783f3>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00604-ip-10-147... |
Cubics and group law
October 15th 2008, 02:20 PM #1
Junior Member
Apr 2008
Cubics and group law
(1) Let $C<img src=$y^2: = x^3+ 4x)" alt="C(2.13) Show that the tangent line to $C$ at $P = (2,4)$ passes through $(0,0)$, and deduce that $P$ is a point of order 4 in the group law.
(2) Let $C: (y^2=x^3+ax+b)\in... | {"url":"http://mathhelpforum.com/number-theory/53900-cubics-group-law.html","timestamp":"2014-04-20T01:57:26Z","content_type":null,"content_length":"30396","record_id":"<urn:uuid:bf7c33e4-40e0-440e-80b2-c73af1c0ad27>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00108-ip-10-147-4-33.e... |
Hilltop, NJ Math Tutor
Find a Hilltop, NJ Math Tutor
...I am a Princeton University graduate with a B.S.E. in Operations Research and Financial Engineering, plus I have taken education courses at Delaware Valley College. I am hard-working, patient,
and able to connect well with students of all abilities and ages. I... | {"url":"http://www.purplemath.com/Hilltop_NJ_Math_tutors.php","timestamp":"2014-04-16T16:30:12Z","content_type":null,"content_length":"23942","record_id":"<urn:uuid:4b5ce21c-eda6-4614-b476-e87336f36095>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00638-ip-10-147-4-33.ec2.internal.w... |
A Hidden Feedback in Signaling Cascades Is Revealed
Cycles involving covalent modification of proteins are key components of the intracellular signaling machinery. Each cycle is comprised of two interconvertable forms of a particular protein. A
classic signaling pathway is structured by a chain or cascade of basic cycl... | {"url":"http://www.ploscompbiol.org/article/info%3Adoi%2F10.1371%2Fjournal.pcbi.1000041","timestamp":"2014-04-17T05:30:23Z","content_type":null,"content_length":"213872","record_id":"<urn:uuid:a06c5b9d-300a-4386-b9e1-b54ec69547a2>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00160-i... |
Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - What Size Drill Bit???
Originally Posted by hemi43
Another way to find the tap drill size is to minus the pitch from the diameter.
i.e, 3/8-16 thread, .375 - .0625 = .3125 or 5/16
1/4-20 thread, .250-.050 = .200 or 13/64
to find the pitch divide 1 by the n... | {"url":"http://www.hotrodders.com/forum/what-size-drill-bit-821411-singlepost13.html","timestamp":"2014-04-16T08:18:33Z","content_type":null,"content_length":"42326","record_id":"<urn:uuid:91cab062-1045-49f4-a2e3-f5033319e076>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00298-ip-10... |
Belmont, MA Algebra 1 Tutor
Find a Belmont, MA Algebra 1 Tutor
...I find real life examples and a crystal clear explanation are crucial for success. My schedule is flexible as I am a part time graduate student. I am new to Wyzant but very experienced in
tutoring, so if you would like to meet first before a real les... | {"url":"http://www.purplemath.com/Belmont_MA_algebra_1_tutors.php","timestamp":"2014-04-18T04:24:50Z","content_type":null,"content_length":"24198","record_id":"<urn:uuid:dc94941a-26a7-4db3-9ed4-cee2c49296b0>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00569-ip-10-147-4-33.ec2.inter... |
This Article
Bibliographic References
Add to:
ASCII Text x
Boon-Lock Yeo, Bede Liu, "Volume Rendering of DCT-Based Compressed 3D Scalar Data," IEEE Transactions o... | {"url":"http://www.computer.org/csdl/trans/tg/1995/01/v0029-abs.html","timestamp":"2014-04-23T16:25:51Z","content_type":null,"content_length":"60303","record_id":"<urn:uuid:bf69b71b-7765-4ebe-b03e-0d163d5563f4>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00246-ip-10-147-4-33.ec2.int... |
Up to $10^6$: $\sigma(8n+1) \mod 4 = OEIS A001935(n) \mod 4$ (Number of partitions with no even part repeated )
up vote 8 down vote favorite
Up to $10^6$:
$\sigma(8n+1) \mod 4 = OEIS A001935(n) \mod 4$
A001935 Number of partitions with no even part repeated
Is this true in general?
It would mean relation between restri... | {"url":"http://mathoverflow.net/questions/59178/up-to-106-sigma8n1-mod-4-oeis-a001935n-mod-4-number-of-partitio?sort=votes","timestamp":"2014-04-21T02:29:58Z","content_type":null,"content_length":"60459","record_id":"<urn:uuid:4f661eb3-99ec-4907-8cbe-da7491150bcc>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/wa... |
Hilltop, NJ Math Tutor
Find a Hilltop, NJ Math Tutor
...I am a Princeton University graduate with a B.S.E. in Operations Research and Financial Engineering, plus I have taken education courses at Delaware Valley College. I am hard-working, patient,
and able to connect well with students of all abilities and ages. I... | {"url":"http://www.purplemath.com/Hilltop_NJ_Math_tutors.php","timestamp":"2014-04-16T16:30:12Z","content_type":null,"content_length":"23942","record_id":"<urn:uuid:4b5ce21c-eda6-4614-b476-e87336f36095>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00638-ip-10-147-4-33.ec2.internal.w... |
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HELP PLZ The amount of freight transported by rail in the Unit... | {"url":"http://openstudy.com/updates/503f098be4b0293b87a9f929","timestamp":"2014-04-21T10:04:20Z","content_type":null,"content_length":"40045","record_id":"<urn:uuid:8c245e60-0e40-4c01-8628-43c06348ebf8>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00504-ip-10-147-4-33.ec2.internal.... |
Matches for: Author/Editor=(Tholen_Walter)
Fields Institute Communications
2004; 570 pp; hardcover
Volume: 43
ISBN-10: 0-8218-3290-5
ISBN-13: 978-0-8218-3290-5
List Price: US$142
Member Price: US$113.60
Order Code: FIC/43
This volume is based on talks given at the Workshop on Categorical Structures for Descent and Ga... | {"url":"http://www.ams.org/bookstore?arg9=Walter_Tholen&fn=100&l=20&pg1=CN&r=1&s1=Tholen_Walter","timestamp":"2014-04-20T05:55:29Z","content_type":null,"content_length":"17927","record_id":"<urn:uuid:cb0c435b-22b2-42b2-9caa-c3f04fd33fad>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-... |
Finite element method help
April 28th 2011, 08:51 AM #1
Junior Member
Feb 2009
Finite element method help
I'm currently programming the finite element method to construct the stiffness matrix and RHS vector to solve poissons equation on a 2d mesh.
I've been given a vector "connectivity" which is the connect... | {"url":"http://mathhelpforum.com/advanced-applied-math/178878-finite-element-method-help.html","timestamp":"2014-04-21T11:38:33Z","content_type":null,"content_length":"38983","record_id":"<urn:uuid:2a6939d4-65ea-4f36-9e4a-e8282a330dc9>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00... |
Example of operators
October 10th 2010, 08:58 AM #1
Apr 2010
Example of operators
Do you know the example of next operators:
$B:H_1\to H_2$ is a closed operator, $A:H_2\to H_3$ is a bounded linear operator such that
$AB$ is not a closable operator?
$H_1,H_2,H_3$ are Hilbert spaces.
Let $\{e_n\}_... | {"url":"http://mathhelpforum.com/differential-geometry/159043-example-operators.html","timestamp":"2014-04-18T21:29:27Z","content_type":null,"content_length":"43602","record_id":"<urn:uuid:4083fcbc-e3d7-4d5d-88fe-f481682cce8b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00008-ip-10-... |
[R] odd behaviour of identical
Wacek Kusnierczyk Waclaw.Marcin.Kusnierczyk at idi.ntnu.no
Sat Nov 1 22:57:38 CET 2008
Patrick Burns wrote:
> Wacek Kusnierczyk wrote:
>> smells bad design.
> Nonsense.
not really, i'm afraid.
> One of the key design features of R is that it
> hides implementation details from users. The... | {"url":"https://stat.ethz.ch/pipermail/r-help/2008-November/178589.html","timestamp":"2014-04-17T10:53:34Z","content_type":null,"content_length":"12357","record_id":"<urn:uuid:a04ceffe-3c3b-409b-a84a-158fed7a1988>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00255-ip-10-147-4-33.ec2... |
Optimization Involving A Cylinder
April 16th 2009, 02:33 PM
Optimization Involving A Cylinder
I am not sure how to go about doing this question:
A cylindrical can needs to hold 500cm^3 of apple juice. The height of the can must be between 6cm and 15cm, inclusive. How should the can be constructed so that a mini... | {"url":"http://mathhelpforum.com/calculus/84101-optimization-involving-cylinder-print.html","timestamp":"2014-04-18T14:43:41Z","content_type":null,"content_length":"5741","record_id":"<urn:uuid:9ee8a402-13f9-4b10-8853-80da19c82e19>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00543-... |
lagrangeBasis :: (Fractional a, Eq a) => [a] -> [Poly a]Source
Returns the Lagrange basis set of polynomials associated with a set of points. This is the set of polynomials each of which is 1 at its corresponding point in the input list and 0 at all others.
These polynomials are especially convenient, mathematically, f... | {"url":"http://hackage.haskell.org/package/polynomial-0.6.5/docs/Math-Polynomial-Lagrange.html","timestamp":"2014-04-19T18:33:05Z","content_type":null,"content_length":"4840","record_id":"<urn:uuid:058be41b-2db5-4c2c-9be3-3f8f153d8b0d>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00... |
An Exploration of Topologies and Communication in Large Particle Swarms :: Institutional Repository
An Exploration of Topologies and Communication
in Large Particle Swarms
Andrew McNabb, Matthew Gardner, and Kevin Seppi
Abstract— Particle Swarm Optimization ( PSO) has typically
been used with small swarms... | {"url":"http://contentdm.lib.byu.edu/cdm/singleitem/collection/IR/id/1292/rec/7","timestamp":"2014-04-16T21:57:51Z","content_type":null,"content_length":"240783","record_id":"<urn:uuid:2acc3e82-fe8b-4ff7-bb47-24bd52a807e2>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00128-ip-10-147-... |
Tidal Elongation
Next: Roche Radius Up: Gravitational Potential Theory Previous: McCullough's Formula
Consider two point masses, 41. We know, from Section 6.3, that
Let us transform to a non-inertial frame of reference which rotates, about an axis perpendicular to the orbital plane and passing through stationary. C... | {"url":"http://farside.ph.utexas.edu/teaching/336k/lectures/node111.html","timestamp":"2014-04-17T00:49:19Z","content_type":null,"content_length":"31176","record_id":"<urn:uuid:371debed-9ebf-4d15-a9c8-1ec68e61e27d>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00078-ip-10-147-4-33.ec... |
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One of the spectral lines in the emission spectrum of mercury ... | {"url":"http://openstudy.com/updates/50a31677e4b0e745f520a0d2","timestamp":"2014-04-18T14:19:30Z","content_type":null,"content_length":"25435","record_id":"<urn:uuid:69ab5913-d8cc-48f4-a063-6d614b774ead>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00607-ip-10-147-4-33.ec2.internal.... |
Belmont, MA Algebra 1 Tutor
Find a Belmont, MA Algebra 1 Tutor
...I find real life examples and a crystal clear explanation are crucial for success. My schedule is flexible as I am a part time graduate student. I am new to Wyzant but very experienced in
tutoring, so if you would like to meet first before a real les... | {"url":"http://www.purplemath.com/Belmont_MA_algebra_1_tutors.php","timestamp":"2014-04-18T04:24:50Z","content_type":null,"content_length":"24198","record_id":"<urn:uuid:dc94941a-26a7-4db3-9ed4-cee2c49296b0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00569-ip-10-147-4-33.ec2.intern... |
confused by all the options
January 30th 2010, 05:14 AM #1
Super Member
Aug 2009
confused by all the options
A machine generates defectives from time to time in a random manner. the engineer for the machine notices that defectives seem to be grouping hence nonrandom, thereby suggesting a malfunction in
some... | {"url":"http://mathhelpforum.com/advanced-statistics/126241-confused-all-options.html","timestamp":"2014-04-19T23:10:15Z","content_type":null,"content_length":"28764","record_id":"<urn:uuid:7105fcfd-712a-4a26-bbaa-62fd3d4975ac>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00462-ip-1... |
Mean, Median, Mode: Find Five Numbers
Date: 05/10/2001 at 22:24:39
From: Amanda
Subject: Describing Data
The median of five numbers is 15. The mode is 6. The mean is 12. What
are the five numbers?
Date: 05/11/2001 at 13:41:00
From: Doctor Twe
Subject: Re: Describing Data
Hi Amanda - thanks for writing to Dr. Math.
Let'... | {"url":"http://mathforum.org/library/drmath/view/57586.html","timestamp":"2014-04-19T03:03:14Z","content_type":null,"content_length":"7422","record_id":"<urn:uuid:87f0f054-995a-45db-a4b3-297b0bbb100c>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00558-ip-10-147-4-33.ec2.internal.war... |
Math is an Attitude - DonationCoder.com
I just stumbledupon
, a web site about neat tricks you can do with math. It explains how to easily compute certain operations in your brain.
I does not seem to aim at the math professionals alone, but especially to those who feel uneasy when it comes to numbers. I haven't explore... | {"url":"http://www.donationcoder.com/forum/index.php?topic=4423.0;prev_next=next","timestamp":"2014-04-17T06:41:27Z","content_type":null,"content_length":"115947","record_id":"<urn:uuid:b3d13398-7858-4f84-9db9-93a1a10d757d>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00305-ip-10-14... |
Haciendas Del Monte, PR Prealgebra Tutor
Find a Haciendas Del Monte, PR Prealgebra Tutor
...I help students navigate the skills they need to learn in order to excel in Geometry. I have taught elementary math both one-on-one and in a classroom setting. It is extremely rewarding to me
to help give younger students a ... | {"url":"http://www.purplemath.com/Haciendas_Del_Monte_PR_Prealgebra_tutors.php","timestamp":"2014-04-17T08:01:05Z","content_type":null,"content_length":"24720","record_id":"<urn:uuid:b37ac4e9-c391-449e-9f61-054392daad43>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00395-ip-10-147-4... |
Results 1 - 10 of 114
, 1996
"... In the past 20 years there has been treftlendous progress in developing and analyzing parallel algorithftls. Researchers have developed efficient parallel algorithms to solve most problems for
which efficient sequential solutions are known. Although some ofthese algorithms are efficien... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=100016","timestamp":"2014-04-21T16:28:44Z","content_type":null,"content_length":"39956","record_id":"<urn:uuid:313d8c47-a0ab-4605-b72e-9d49e06dd84f>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00531-ip-10-147-4-33.ec2.internal.war... |
Bio-Inspired Information Theory
There will be a 5-day workshop on Biological and Bio-Inspired Information Theory at BIRS from Sunday the 26th to Friday the 31st of October, 2014. It’s being organized by
• Toby Berger (University of Virginia)
• Andrew Eckford (York University)
• Peter Thomas (Case Western Reserve Univer... | {"url":"http://johncarlosbaez.wordpress.com/2014/01/31/bio-inspired-information-theory/","timestamp":"2014-04-18T13:06:42Z","content_type":null,"content_length":"57201","record_id":"<urn:uuid:4e285fe1-f3e9-4f4f-971e-4d0585a21e4b>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00271-ip... |
Language extensions
Chapter 7 Language extensions
This chapter describes language extensions and convenience features that are implemented in OCaml, but not described in the OCaml reference manual.
7.1 Integer literals for types int32, int64 and nativeint
(Introduced in Objective Caml 3.07)
int32-literal ::= ... | {"url":"http://caml.inria.fr/pub/docs/manual-ocaml-400/manual021.html","timestamp":"2014-04-21T10:03:22Z","content_type":null,"content_length":"83279","record_id":"<urn:uuid:c01ca264-0339-4b15-ba30-91bec3878986>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00139-ip-10-147-4-33.ec2.in... |
Reflections ( Read ) | Geometry
Scott looked at the image below and stated that the image was reflected about the $y$
Watch This
First watch this video to learn about reflections.
CK-12 Foundation Chapter10ReflectionsA
Then watch this video to see some examples.
CK-12 Foundation Chapter10ReflectionsB
In geometry, a tra... | {"url":"http://www.ck12.org/geometry/Reflections/lesson/Reflections-Honors/","timestamp":"2014-04-20T06:42:00Z","content_type":null,"content_length":"139381","record_id":"<urn:uuid:2634966d-a358-4c05-b50d-556d14e0823b>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00638-ip-10-147-4-33... |
Gables By The Sea, FL Trigonometry Tutor
Find a Gables By The Sea, FL Trigonometry Tutor
...Additionally, I worked as a discussion leader for both general and organic chemistry where I led students through problem sets and answered any questions they may have had. Finally, I worked
as a chemistry laboratory teachin... | {"url":"http://www.purplemath.com/Gables_By_The_Sea_FL_trigonometry_tutors.php","timestamp":"2014-04-21T12:39:05Z","content_type":null,"content_length":"24995","record_id":"<urn:uuid:1f513a6f-bdf5-4e32-960b-ba5667c590bd>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00615-ip-10-147-4... |
§ ¶The "center cut" algorithm
Semi-recent versions of VirtualDub have an audio filter known as "center cut." This filter attempts to isolate the central components of the incoming signal and separate them from the side signals.
The result is a stereo output with the ambience, and a mono output with the foreground sound... | {"url":"http://www.virtualdub.org/blog/pivot/entry.php?id=102","timestamp":"2014-04-17T15:26:45Z","content_type":null,"content_length":"21501","record_id":"<urn:uuid:37419f5c-82b9-4482-b56e-bdfeda691948>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00411-ip-10-147-4-33.ec2.internal.w... |
Self-stabilizing algorithms for the distance-k coloring problem
Document type: Master thesis
Many problems of practical interest can be modeled as coloring problems. For example, when you are making a phone call using a mobile phone, it needs to transform the voice signal into an electronic
wireless signal. Eachsuch si... | {"url":"https://bora.uib.no/handle/1956/2896","timestamp":"2014-04-20T06:26:06Z","content_type":null,"content_length":"25140","record_id":"<urn:uuid:8e791355-ad8b-4022-a596-25a719186d15>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00070-ip-10-147-4-33.ec2.internal.warc.gz"} |
Python in Science
my previous post
, some readers pointed out that the pure
version of the code was slower than it should be. I checked and found out that the timing was wrong due to some bug in the
flag in the sage notebook.
Some other interested readers pointed out that using numpy's RNGs in the pure Python version w... | {"url":"http://pyinsci.blogspot.com/2010_12_01_archive.html","timestamp":"2014-04-16T18:56:25Z","content_type":null,"content_length":"106887","record_id":"<urn:uuid:e72caf68-6266-4d99-8b26-f081d197e91c>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00381-ip-10-147-4-33.ec2.internal.w... |
Which Math Course Should I Take?
What mathematics course should I take? Many students who arrive at BYU have difficulty deciding which mathematics course to start with. We will discuss the mathematics requirements at BYU, and
describe some of the standard paths that students take to fulfill them.
All students at BYU ar... | {"url":"http://math.byu.edu/home/which_math_course_should_I_take","timestamp":"2014-04-18T18:11:04Z","content_type":null,"content_length":"35000","record_id":"<urn:uuid:ed12aa78-f9f9-4d5e-a874-84e87e52fffd>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00216-ip-10-147-4-33.ec2.interna... |
tensor product of matrices
up vote 0 down vote favorite
Hello, all! Could somebody draw a proof-sketch of next expression from tensor algebra on matrices over finite fields: determinant of tensor product $A~ \times ~B$ of $n \times n$-matrix $A$ over
finite field $GF(q)$ on $m \times m$-matrix $B$ over finite field $GF... | {"url":"http://mathoverflow.net/questions/56997/tensor-product-of-matrices?sort=oldest","timestamp":"2014-04-19T07:40:39Z","content_type":null,"content_length":"56195","record_id":"<urn:uuid:d5b49603-af1d-4e34-baec-0196d1a37062>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00085-ip-... |
Finding Side's and diagonals with A
May 29th 2011, 06:57 PM #1
May 2011
Finding Side's and diagonals with A
I'm going back to college after 5 years and am having a little trouble with geometry, one that i haven't been able to find an answer for is split into 3 parts;
A) What is the diagonal of a square who'... | {"url":"http://mathhelpforum.com/geometry/181974-finding-side-s-diagonals.html","timestamp":"2014-04-18T03:32:11Z","content_type":null,"content_length":"34842","record_id":"<urn:uuid:8f59030d-34cd-42f5-b953-7ba8c9fa5c4a>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00406-ip-10-147-4... |
Reflecting a line in a plane
April 4th 2010, 03:07 AM #1
Junior Member
Mar 2010
Reflecting a line in a plane
The line l: (1,2,3)+t(3,4,5) is reflected in the plane P: 2x-2y-z+11=0
Is there any fast way of doing this? I alway first found the mirror point of (1,2,3) in P and then connected this point with the... | {"url":"http://mathhelpforum.com/trigonometry/137190-reflecting-line-plane.html","timestamp":"2014-04-24T18:19:24Z","content_type":null,"content_length":"36246","record_id":"<urn:uuid:53c82752-df10-4511-a467-3311ff17bc6f>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00413-ip-10-147-... |
Best Proximity Point for Generalized Proximal Weak Contractions in Complete Metric Space
Journal of Applied Mathematics
Volume 2014 (2014), Article ID 150941, 6 pages
Research Article
Best Proximity Point for Generalized Proximal Weak Contractions in Complete Metric Space
^1Department of Mathematics, Atilim University,... | {"url":"http://www.hindawi.com/journals/jam/2014/150941/","timestamp":"2014-04-17T09:53:50Z","content_type":null,"content_length":"521774","record_id":"<urn:uuid:add8582d-d0e4-43b3-869b-6dce53ce1d25>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00099-ip-10-147-4-33.ec2.internal.warc... |
This Article
Bibliographic References
Add to:
The Visual Hull Concept for Silhouette-Based Image Understanding
February 1994 (vol. 16 no. 2)
pp. 150-162
ASCII Text ... | {"url":"http://www.computer.org/csdl/trans/tp/1994/02/i0150-abs.html","timestamp":"2014-04-20T23:52:26Z","content_type":null,"content_length":"57305","record_id":"<urn:uuid:a32f207c-3522-43c2-be2c-c6035ca90f1f>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00411-ip-10-147-4-33.ec2.in... |
s and
Location of Thesis Examination
Room 4185 Support Services Building
Doctor of Philosophy
It is well-known that the Eulerian polynomials, which count permutations in S_n by their number of descents, give the h-polynomial/h-vector of the simple polytopes known as permutohedra, the convex
hull of the Sn -orbit for a... | {"url":"http://ir.lib.uwo.ca/etd/134/","timestamp":"2014-04-19T07:56:52Z","content_type":null,"content_length":"23434","record_id":"<urn:uuid:0f906558-4f14-4816-b76c-ed824eef3aef>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00626-ip-10-147-4-33.ec2.internal.warc.gz"} |
On Friday, June 19, the iPhone 3G S launches, and for the first time, Apple has made launch day home delivery available. This has made some things clear – for example, we know that phones are
shipping from China to Alaska all on the same day. I was curious about the magnitude of this delivery – size, cost, etc. Here ar... | {"url":"http://scottru.com/category/random/","timestamp":"2014-04-19T12:18:27Z","content_type":null,"content_length":"21853","record_id":"<urn:uuid:02aab729-c758-4897-9683-1891fd8d06ad>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00230-ip-10-147-4-33.ec2.internal.warc.gz"} |
Find Missing Number Addition
One of the basic rules of addition is that the order in which we add does not make a difference in the answer. If you add 6+7 and get 13, then you know that 7+6 also equals 13. This is called the
commutative property of addition. | {"url":"http://www.mathworksheetscenter.com/mathskills/addition/missingnumberaddition/index.html","timestamp":"2014-04-21T01:58:57Z","content_type":null,"content_length":"14217","record_id":"<urn:uuid:2e495531-b66a-42f7-80ed-9a37f5f4d71c>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219... |