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Statics problem solving strategies, hints and tricks
Statics problem solving strategies, hints and tricks Contents 1 Solving a problem in 7 steps 3 1.1 To read
CE 211 – Statics
CE 211 – Statics Required 2007 Catalog Description: CE 211 – Statics. Three credits. Engineering mechanics concepts; force systems; static equi... | {"url":"http://pdf.analysis3.com/Statics-pdf.html","timestamp":"2014-04-18T15:39:22Z","content_type":null,"content_length":"49247","record_id":"<urn:uuid:0e615aa3-0375-4c77-a6e7-f51f226315e4>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00057-ip-10-147-4-33.ec2.internal.warc.gz"} |
Estimation of exposure to toxic releases using spatial interaction modeling
The United States Environmental Protection Agency's Toxic Release Inventory (TRI) data are frequently used to estimate a community's exposure to pollution. However, this estimation process often uses
underdeveloped geographic theory. Spatial in... | {"url":"http://www.ij-healthgeographics.com/content/10/1/20","timestamp":"2014-04-17T15:26:40Z","content_type":null,"content_length":"147018","record_id":"<urn:uuid:79d325aa-622c-4ba0-b528-44a4dcd491ee>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00646-ip-10-147-4-33.ec2.internal.wa... |
The Coefficient of Friction
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The Coefficient of Friction
Friction is "the resistance an object encounters in moving over another" (OED).
It is easier to drag an object over glass than sandpaper. The reason for this is that the sandpaper exerts more frictional resistance. In many problems, it is assumed that... | {"url":"http://www.mathsrevision.net/node/157","timestamp":"2014-04-20T10:46:40Z","content_type":null,"content_length":"48331","record_id":"<urn:uuid:b4a4e97f-090d-4b60-b01f-275c79307812>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00224-ip-10-147-4-33.ec2.internal.warc.gz"} |
You've Got Parallel Code in My Chocolate
September 14, 2012
My take on a parallel Depth-First Search (DFS) algorithm visits all nodes in a graph and the order of visitation is likely to change from one run to the next.
So, here's the problem in a nutshell: My take on a parallel Depth-First Search (DFS) algorithm visits... | {"url":"http://www.drdobbs.com/parallel/youve-got-parallel-code-in-my-chocolate/240007344","timestamp":"2014-04-16T21:56:01Z","content_type":null,"content_length":"97568","record_id":"<urn:uuid:b32fecf0-470b-4817-924a-9bbf1c68dd1e>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00662-... |
Measuring SOA Complexity
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by Michael Havey | April 2010 | SOA
This article by Michael H... | {"url":"https://www.packtpub.com/article/measuring-soa-complexity","timestamp":"2014-04-20T18:00:12Z","content_type":null,"content_length":"91136","record_id":"<urn:uuid:42f028d2-07b5-4da6-8cdf-5de0aff13c58>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00268-ip-10-147-4-33.ec2.inter... |
Geometry and Experience
Einstein: Geometry and Experience
Albert Einstein gave an address on 27 January 1921 at the Prussian Academy of Sciences in Berlin. He chose as his topic Geometry and Experience. He lectured in German but we prese... | {"url":"http://www-groups.dcs.st-and.ac.uk/~history/Extras/Einstein_geometry.html","timestamp":"2014-04-18T05:36:08Z","content_type":null,"content_length":"31895","record_id":"<urn:uuid:2928ab5f-b531-4712-a6e1-88712f0e5e21>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00277-ip-10-14... |
power series
Construct of the form
∑[n=0]^∞ a[n]x^n
is a
formal variable
and the
s (usually coming from a
, but sometimes from more exotic objects. Using the standard
s of
we can perform formal operations on the series, like
; others may be possible, depending on where we get our coefficients from.
Sometimes we'll ... | {"url":"http://everything2.com/title/power+series","timestamp":"2014-04-20T21:48:56Z","content_type":null,"content_length":"29167","record_id":"<urn:uuid:ff5f8d3a-9de9-4216-b1a1-53117c839308>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00346-ip-10-147-4-33.ec2.internal.warc.gz"} |
User:Franklin T. Adams-Watters
From OeisWiki
I graduated from the University of Chicago in 1976 with a combined Bachelors and Masters degree in Mathematics. After a year in graduate school at MIT, I dropped out to program computers full time.
I've been mostly doing that ever since.
While my mathematical interests are f... | {"url":"http://oeis.org/wiki/User:Franklin_T._Adams-Watters","timestamp":"2014-04-19T12:07:27Z","content_type":null,"content_length":"12674","record_id":"<urn:uuid:7c0d3c17-b14b-4c73-9d24-371cc891a012>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00094-ip-10-147-4-33.ec2.internal.wa... |
The Official Terry Pratchett Forums
Re: Pictures that leave you Speechless
ChristianBecker wrote:You use the units that come with the stuff in the formula:
m = mass; SI unit of mass is kg
c = speed of light; SI unit of speed is meters per second = m·s⁻¹
So, after putting it together, the units will be k... | {"url":"http://www.terrypratchettbooks.com/forum/viewtopic.php?f=1&t=4432&start=345","timestamp":"2014-04-17T04:54:47Z","content_type":null,"content_length":"49299","record_id":"<urn:uuid:350aca72-aedd-4326-b9c9-cba3cf56e226>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00125-ip-10-... |
06523 Kinetics. Lecture 10 Transition state theory Thermodynamic approach Statistical thermodynamics
06523 Kinetics. Lecture 10 Transition state theory Thermodynamic approach Statistical thermodynamics
The steric factor P can be related to the change in disorder at the transition state ... The steric factor P can be un... | {"url":"http://www.powershow.com/view/11fbce-NDY2Y/06523_Kinetics_Lecture_10_Transition_state_theory_Thermodynamic_approach_Statistical_thermodynamics_powerpoint_ppt_presentation","timestamp":"2014-04-17T04:44:42Z","content_type":null,"content_length":"108877","record_id":"<urn:uuid:a0705436-11d3-454b-b386-569d1300b770... |
C++ Assignment
January 6th, 2004, 03:33 AM
C++ Assignment
Wanted to know if I could get a little help with an assignment.
I have to create a program that can guess the factors of a number.
From what I figure If i can divide X (The number to be factored) by Y evenly then I have figured out the factors. The p... | {"url":"http://www.antionline.com/printthread.php?t=250944&pp=10&page=1","timestamp":"2014-04-20T02:57:48Z","content_type":null,"content_length":"13120","record_id":"<urn:uuid:7b3ed611-e74d-414f-b80b-7a7f25f27555>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00489-ip-10-147-4-33.ec2.... |
Pigeon hole-proof
February 10th 2008, 11:37 PM #1
Feb 2008
Pigeon hole-proof
You're supposed to show this with the pigeon hole principle.
Imagine the set {1, 2, ....., 2n}. Chose from this set n+1 different integers. Prove that there is always two integers among the chosen ones whose largest common divisor ... | {"url":"http://mathhelpforum.com/discrete-math/27958-pigeon-hole-proof.html","timestamp":"2014-04-18T02:00:49Z","content_type":null,"content_length":"35580","record_id":"<urn:uuid:8090101e-e04b-45c3-a496-0db3183a4741>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00281-ip-10-147-4-33... |
Patent US5557282 - Height finding antenna apparatus and method of operation
This invention relates to ground based radar antenna systems for use in tracking targets, and more particularly, to a new and improved dual beam ground based radar antenna system and method having a
pair of feed horns and a reflector for determ... | {"url":"http://www.google.com/patents/US5557282?ie=ISO-8859-1","timestamp":"2014-04-18T19:51:39Z","content_type":null,"content_length":"119636","record_id":"<urn:uuid:f141347e-7997-4377-8665-ccd4135377ee>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00119-ip-10-147-4-33.ec2.internal.... |
Re: finding all dominator trees
"Amir Michail" <amichail@gmail.com>
3 Dec 2006 21:32:18 -0500
From comp.compilers
| List of all articles for this month... | {"url":"http://compilers.iecc.com/comparch/article/06-12-025","timestamp":"2014-04-20T08:19:25Z","content_type":null,"content_length":"7209","record_id":"<urn:uuid:c7d95d92-1f7f-47b4-b42d-f7a0523313ec>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00424-ip-10-147-4-33.ec2.internal.war... |
Least Upper Bond Proof. I have no Idea D:.
September 10th 2008, 02:14 PM #1
Sep 2008
Least Upper Bound Proof. I have no Idea D:.
Let S be a bounded set that is not empty.
Prove that sup(S) is a boundary point of S
can someone help me complete this proof? i've been trying for a long time and i can't come... | {"url":"http://mathhelpforum.com/calculus/48548-least-upper-bond-proof-i-have-no-idea-d.html","timestamp":"2014-04-16T10:28:48Z","content_type":null,"content_length":"41813","record_id":"<urn:uuid:9da7db79-0d6e-4184-873a-7f6fdf2db393>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-006... |
Complex integral
June 3rd 2008, 01:05 AM #1
Apr 2008
Complex integral
Problem with complex integral.Consider the integral:
with the branch -pi/0<phi<3pi/2 and the idented contour at z=0 and z=1
(circular contour in the upper half plane)
a)show that this integral can be written in terms of the integr... | {"url":"http://mathhelpforum.com/calculus/40461-complex-integral.html","timestamp":"2014-04-18T02:05:35Z","content_type":null,"content_length":"38131","record_id":"<urn:uuid:c8f304de-96e7-4a03-9f7e-fc055eaec440>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00222-ip-10-147-4-33.ec2.i... |
Posts about Energy Conservation on viXra log
Fundamental Physics 2013: What is the Big Picture?
November 26, 2013
2013 has been a great year for viXra. We already have more than 2000 new papers taking the total to over 6000. Many of them are about physics but other areas are also well covered. The range is
bigger and b... | {"url":"http://blog.vixra.org/category/energy-conservation/","timestamp":"2014-04-18T18:21:54Z","content_type":null,"content_length":"177336","record_id":"<urn:uuid:67ce1ff5-213c-486e-b358-8a4ddde397b6>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00366-ip-10-147-4-33.ec2.internal.wa... |
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3p^2+12p-2=0 how do you solve this problem? I need all the ste... | {"url":"http://openstudy.com/updates/5005bd29e4b062418066f3fc","timestamp":"2014-04-17T01:17:15Z","content_type":null,"content_length":"39727","record_id":"<urn:uuid:16a7985b-7d41-49d1-9cf5-a6aa8445efa6>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00060-ip-10-147-4-33.ec2.internal.w... |
st: Re: -graph bar, over-: problem with string vars and quotes
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st: Re: -graph bar, over-: problem with string vars and quotes
From Friedrich Huebler <huebler@rocketmail.com>
To statalist@hsphsun2.harvard.edu
Subject st: Re: -graph bar, o... | {"url":"http://www.stata.com/statalist/archive/2007-02/msg00286.html","timestamp":"2014-04-19T07:11:14Z","content_type":null,"content_length":"7194","record_id":"<urn:uuid:80349189-f97e-4593-a701-65328cbe78de>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00645-ip-10-147-4-33.ec2.inte... |
In what generality is the natural map $\operatorname{Hom}_R(L,M)\otimes S\to\operatorname{Hom}_{R\otimes S}(L\otimes S,M\otimes S)$ an isomorphism?
up vote 3 down vote favorite
Let $k$ be a commutative ring, $R$ and $S$ commutative $k$-algebras. Let $L$ and $M$ be $R$-modules. Consider the natural map $$\operatorname{H... | {"url":"http://mathoverflow.net/questions/72004/in-what-generality-is-the-natural-map-operatornamehom-rl-m-otimes-s-to-ope?sort=votes","timestamp":"2014-04-20T06:35:58Z","content_type":null,"content_length":"62748","record_id":"<urn:uuid:30617eb9-e594-426c-a3e1-73eebf957bb9>","cc-path":"CC-MAIN-2014-15/segments/1397609... |
Browsing DSP Publications by Title
Browse this collection by:
Now showing items 214-233 of 508
• R. Neelamani, R. de Queiroz and R. G. Baraniuk,"Lattice Algorithms for Compression Color Space Estimation in JPEG Images," in International Workshop on Combinatorial Image Analysis,
• M. A. Davenport, R. G. Baraniuk and... | {"url":"http://scholarship.rice.edu/handle/1911/21661/browse?rpp=20&order=ASC&sort_by=1&etal=-1&type=title&starts_with=K","timestamp":"2014-04-18T20:52:18Z","content_type":null,"content_length":"33104","record_id":"<urn:uuid:e96f0597-2ba9-40ca-9c47-4cd737340343>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/war... |
Bladensburg, MD Precalculus Tutor
Find a Bladensburg, MD Precalculus Tutor
...I have been tutoring since the 11th grade, and have tutored throughout college. I have worked with elementary school children on Math and English. I have also worked with high school students
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Topic: InterpolatingFunction
Replies: 1 Last Post: Oct 14, 1996 2:19 AM
Messages: [ Previous | Next ]
... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=224042","timestamp":"2014-04-20T16:59:48Z","content_type":null,"content_length":"18257","record_id":"<urn:uuid:2fa0f723-1e19-4a27-9ec9-4efcbffa55bb>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00538-ip-10-147-4-33.ec2.internal.war... |
Lewko's blog
The first research level math problem I seriously worked on (without much success) was the sum-free subset problem. A sum-free set (in an additive group) is a set that contains no solution to the
equation $x+y=z$. The sum-free subset problem concerns the following theorem of Erdős, which is one of the ear... | {"url":"http://lewko.wordpress.com/","timestamp":"2014-04-16T07:14:42Z","content_type":null,"content_length":"137256","record_id":"<urn:uuid:3f8ba7cf-5887-45f6-b615-c04e0a549ec4>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00576-ip-10-147-4-33.ec2.internal.warc.gz"} |
Chernoff bounds
bounds give bounds for
Poisson trials
. Considers an
which happens with
p. Let X(n) be the number of
that happen in n
. For each of these trials, the event happens with probability p, so the
expected value
of X is np, and follows a
binomial distribution
. However, this does not give strong indications o... | {"url":"http://everything2.com/title/Chernoff+bounds","timestamp":"2014-04-19T12:14:05Z","content_type":null,"content_length":"21292","record_id":"<urn:uuid:c5178b97-ef34-43cc-9dbc-d271fefd6d0d>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00072-ip-10-147-4-33.ec2.internal.warc.gz"} |
Summary: Seminar in Algebra and Number Theory Reflection Groups and Hecke Algebras
Fall 2005 P. Achar
Problem Set 3a
Due: October 18, 2005
In the study of groups and representations, it is often useful to have a method for taking a representation of
a subgroup and producing from it a representation of the larger group.... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/033/4897424.html","timestamp":"2014-04-17T05:14:52Z","content_type":null,"content_length":"8127","record_id":"<urn:uuid:64a10193-9cde-487f-aad4-43a4b1e5f950>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00075-ip-10-147-... |
Northern Nevada Girls Math and Technology Program
Mathematics Standards and Technology Goals
Selected Common Core State Standards: Mathematics
Grade 7 Geometry
Draw, construct, and describe geometrical figures and describe the relationships between them.
• 7.G.A.1 Solve problems involving scale drawings of geometric ... | {"url":"http://www.unr.edu/girls-math-camp/program-info/curriculum-standards","timestamp":"2014-04-20T10:49:55Z","content_type":null,"content_length":"49206","record_id":"<urn:uuid:4d419d8b-70d5-4c0c-b7ff-47347edffd0e>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00527-ip-10-147-4-3... |
Astrophysics and Algorithms: A DIMACS Workshop on Massive Astronomical
Data Sets
Astrophysics and Algorithms: A DIMACS Workshop on Massive Astronomical Data Sets
The MACHO Project
David Bennett
University of Notre Dame
The MACHO Project has been taking data since late 1992, and has now accumulated more than 70,... | {"url":"http://dimacs.rutgers.edu/Workshops/Astro/abstracts.html","timestamp":"2014-04-20T23:28:30Z","content_type":null,"content_length":"30180","record_id":"<urn:uuid:ebee2899-7065-44d9-b855-40df33dd1d92>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00614-ip-10-147-4-33.ec2.interna... |
Multiplying Decimals
When multiplying a decimal number by another decimal number, it again helps to be reminded what they'd look like in fraction form.
Sample Problem
As with addition and subtraction, converting decimals to fractions and back again is pretty inefficient. Thankfully, just as with addition and subtractio... | {"url":"http://www.shmoop.com/number-types/multiplying-decimals-help.html","timestamp":"2014-04-20T08:56:20Z","content_type":null,"content_length":"49896","record_id":"<urn:uuid:0a39e7a0-5c93-4fd3-af15-18516afb7efd>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00218-ip-10-147-4-33.ec... |
Need help understanding Conway's Game of Life
up vote 1 down vote favorite
I'm trying to write code for Conway's Game of Life to determine the immediate next pattern for a given pattern of cells, but I'm not sure whether I really understand the steps. So for example
consider the below toad pattern. The cells marked x a... | {"url":"http://stackoverflow.com/questions/8895632/need-help-understanding-conways-game-of-life?answertab=oldest","timestamp":"2014-04-19T00:11:24Z","content_type":null,"content_length":"79736","record_id":"<urn:uuid:3779b192-13ad-40bf-9153-5b4dda6b8420>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN... |
Bacteria Growth Rate
1. The problem statement, all variables and given/known data
A beaker contained 2000 bacteira. one hour later the beaker contained 2500 bacteria. What is the doubling time of the bacteria?
2. Relevant equations
rate = (distance)/(time)
Time to double = .693/((ln(1+r))^t)
3. The attempt at a solutio... | {"url":"http://www.physicsforums.com/showthread.php?t=277679","timestamp":"2014-04-16T18:59:54Z","content_type":null,"content_length":"22843","record_id":"<urn:uuid:240188f7-de5b-4d9e-a70b-f429567ebb12>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00266-ip-10-147-4-33.ec2.internal.w... |
La Marque Precalculus Tutor
...I really enjoy it and I always receive great feedback from my clients. I consider my client's grade as if it were my own grade, and I will do whatever it takes to make sure you get it, and at
the same time make sure our sessions are easy and enjoyable. I can tutor almost any subject, ... | {"url":"http://www.purplemath.com/la_marque_precalculus_tutors.php","timestamp":"2014-04-17T19:39:10Z","content_type":null,"content_length":"23715","record_id":"<urn:uuid:cc2fc696-ef92-4d2a-a553-f3669fcf1377>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00603-ip-10-147-4-33.ec2.inter... |
Every continuous function is homotopic to a locally Lipschitz one
up vote 10 down vote favorite
I would like to know for which category/class/set of metric spaces the following holds: for any two metric spaces $X$, $Y$, for any continuous function $f:X\to Y$ there exists a locally Lipschitz
continuous function $g:X\to ... | {"url":"https://mathoverflow.net/questions/126654/every-continuous-function-is-homotopic-to-a-locally-lipschitz-one/126689","timestamp":"2014-04-20T21:11:21Z","content_type":null,"content_length":"64639","record_id":"<urn:uuid:6057fb5f-4a00-48a9-b7bf-3f5dc72325f4>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/wa... |
Math Stuff -- Kevin Walker
I can be reached at
I work at Microsoft Station Q.
New TQFT notes: TQFTs [version 1h, 11 May 2006]. This is an early, incomplete draft. There are notational (and other) inconsistencies, and some parts have not been proof-read. Still, it's probably
better than nothing.
1991 TQFT notes: "On Wit... | {"url":"http://canyon23.net/math/","timestamp":"2014-04-17T12:33:06Z","content_type":null,"content_length":"7156","record_id":"<urn:uuid:70b301e3-89fa-451d-b465-1c5ff4f93466>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00233-ip-10-147-4-33.ec2.internal.warc.gz"} |
Definition of Proportion
● A proportion is an equation written in the form
● In other words, two sets of numbers are proportional if one set is a constant times the other.
Examples of Proportion
Solved Example on Proportion
A cardboard model of a Honda bike is part of an outdoor display. Its height is 4 ft. The... | {"url":"http://www.icoachmath.com/math_dictionary/proportion.html","timestamp":"2014-04-19T17:34:03Z","content_type":null,"content_length":"8320","record_id":"<urn:uuid:fa100e70-f220-4921-8d1f-294e2d499af2>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00242-ip-10-147-4-33.ec2.intern... |
British Journal of Mathematical and Statistical Psychology
Ryu, E. (2014), Factorial invariance in multilevel confirmatory factor analysis. British Journal of Mathematical and Statistical Psychology, 67: 172–194. doi: 10.1111/bmsp.12014
An earlier version of this paper was presented at the 8th International Amsterdam M... | {"url":"http://onlinelibrary.wiley.com/doi/10.1111/bmsp.12014/full","timestamp":"2014-04-21T10:19:02Z","content_type":null,"content_length":"222808","record_id":"<urn:uuid:6b443752-2fb1-4a98-b343-d80aba6f7c58>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00204-ip-10-147-4-33.ec2.int... |
Finitely-generated algebra over Z
up vote 0 down vote favorite
Let A be an artin ring which is also a finitely generated algebra over Z.
Show that $|A|<\infty$.
If A would have been a field then I know how to prove it. I know that A is a product of local rings, so I could restrict the question to Local artin rings that... | {"url":"http://mathoverflow.net/questions/30599/finitely-generated-algebra-over-z/","timestamp":"2014-04-18T11:18:16Z","content_type":null,"content_length":"66285","record_id":"<urn:uuid:ae60721e-92b5-4e2f-aab9-5b0a65d4b281>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00632-ip-10-1... |
Items where Author is "Porter, Professor David"
Number of items: 13.
Bennetts, L. G., Biggs, N. R.T. and Porter, D. (2009) Wave scattering by an axisymmetric ice floe of varying thickness. IMA Journal of Applied Mathematics, 74 (2). pp. 273-295. ISSN 0272-4960 doi:
Bennetts, L.G., Biggs, N. and Porter, D. (2009) The in... | {"url":"http://centaur.reading.ac.uk/view/creators/90002722.html","timestamp":"2014-04-20T13:44:25Z","content_type":null,"content_length":"17728","record_id":"<urn:uuid:80aaeda5-be92-4eb8-8b77-bccad662d278>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00167-ip-10-147-4-33.ec2.intern... |
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2. Expand (4x – 3y)4 using Pascal’s Triangle. (2 points)
• o... | {"url":"http://openstudy.com/updates/5092ec3ee4b0b86a5e52e6ea","timestamp":"2014-04-20T21:00:10Z","content_type":null,"content_length":"32603","record_id":"<urn:uuid:95686844-7dc3-46d4-ae00-aa73f3c8dcf0>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00151-ip-10-147-4-33.ec2.internal.... |
PTC Mathcad Prime Worksheets Directory - Mechanical Engineering
Want a free copy of PTC Mathcad Express? Download your copy today.
Worksheets marked with
Worksheet name Description
Analyzing Process Capabilities ... | {"url":"http://communities.ptc.com/docs/DOC-3783","timestamp":"2014-04-21T14:57:34Z","content_type":null,"content_length":"110782","record_id":"<urn:uuid:d10223cc-45c8-46f3-870c-a08f0a7bc20e>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00451-ip-10-147-4-33.ec2.internal.warc.gz"} |
Basic problem using for loops w/ functions. help :(
Basic problem using for loops w/ functions. help :(
Would someone help me with this word problem? :(
Write a function that will accept three integers as parameters, call these three integers as start , end and step respectively.
-assume that start is alwa... | {"url":"http://cboard.cprogramming.com/c-programming/147959-basic-problem-using-loops-w-functions-help-printable-thread.html","timestamp":"2014-04-20T07:41:58Z","content_type":null,"content_length":"11674","record_id":"<urn:uuid:971480ab-af1c-4af4-bb6d-5cd21d5621f3>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19... |
Number Theory Seminar
• Thursday, September 4, 2008.
Speaker: Michael Filaseta, USC.
Title: A collection of problems to ponder on polynomials.
Abstract: In this talk, we discuss results and problems associated with polynomials. The topics in our collection of problems will vary, but the main focus will be... | {"url":"http://www.math.sc.edu/~boylan/seminars/ntseminarFa08.html","timestamp":"2014-04-17T15:26:23Z","content_type":null,"content_length":"11112","record_id":"<urn:uuid:47176249-a648-4c28-91ef-6f7fd12a843c>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00659-ip-10-147-4-33.ec2.inter... |
Complexity Theory Lecture Notes
There are two graduate-level courses in complexity theory that I have taught here at Rutgers. Notes that were prepared for some of the material covered in those courses are available for your reading
• Levin's Lower Bound Theorem (These notes present a lovely theorem that should be in ... | {"url":"https://www.cs.rutgers.edu/~allender/lecture.notes/","timestamp":"2014-04-16T22:00:56Z","content_type":null,"content_length":"5582","record_id":"<urn:uuid:88d220ee-eb1f-4ef9-82f4-037d194045dd>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00502-ip-10-147-4-33.ec2.internal.warc... |
Classifying Equivariant Maps Between Fin-Dim Irreducible Modules
up vote 1 down vote favorite
Let $G$ be a compact semi-simple Lie group, (or to be even more concrete let $G = SL(N)$), and let $V$ and $W$ be finite dimensional irreducible representations of $G$. Surely it is very well-known
how to classify the $G$-equi... | {"url":"http://mathoverflow.net/questions/136526/classifying-equivariant-maps-between-fin-dim-irreducible-modules","timestamp":"2014-04-17T15:54:54Z","content_type":null,"content_length":"51821","record_id":"<urn:uuid:c1ff52f6-9fcf-4ebb-9e82-f5a9049fcf22>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MA... |
Number Triangle
June 10th 2006, 04:54 AM #1
Jun 2006
NSW Australia
Number Triangle
Hi I am wondering if someone could help me on this
Here are two examples of a number triangle. There are four consecutive positive integers 10, 11, 12 and 13, on the bottom line, in some order. Starting from the left, eac... | {"url":"http://mathhelpforum.com/algebra/3356-number-triangle.html","timestamp":"2014-04-19T02:35:28Z","content_type":null,"content_length":"30502","record_id":"<urn:uuid:0fdb2b5f-8038-4e3f-9dd1-d660fe89975e>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00581-ip-10-147-4-33.ec2.inter... |
North Providence Trigonometry Tutor
Find a North Providence Trigonometry Tutor
...While teaching high school geometry, I realized that some students feel challenged by what seems like a large number of formulae to memorize. As your tutor, I would walk you through the process
of deriving a formula so that together w... | {"url":"http://www.purplemath.com/North_Providence_trigonometry_tutors.php","timestamp":"2014-04-21T15:22:49Z","content_type":null,"content_length":"24535","record_id":"<urn:uuid:cbe17590-39b5-41db-aaac-77d7991f7acf>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00129-ip-10-147-4-33.... |
Isoceles Triangle
Isoceles Triangles
Isoceles Triangle
Isoceles triangles have at least two sides that are exactly the same length. This forces two of their angles to also be acute angles of exactly the same size. In this blue triangle, the two longer
sides are the same length, which forces the two bottom angles to be ... | {"url":"http://scienceforkids.kidipede.com/math/geometry/isoceles.htm","timestamp":"2014-04-19T18:10:43Z","content_type":null,"content_length":"12374","record_id":"<urn:uuid:80be5e99-f3c2-44a2-8ee6-c423ff4de975>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00372-ip-10-147-4-33.ec2.i... |
Probabilistic Models of Cognition
From Church Wiki
By Noah D. Goodman, Joshua B. Tenenbaum, Timothy J. O'Donnell, and the Church Working Group^[1].^[2]
(This tutorial is based on the ESSLLI Tutorial, created by Goodman, Tenenbaum, and O'Donnell.)
What is thought? How can we describe the intelligent inferences made in e... | {"url":"http://projects.csail.mit.edu/church/wiki/Probabilistic_Models_of_Cognition","timestamp":"2014-04-25T05:28:07Z","content_type":null,"content_length":"19952","record_id":"<urn:uuid:ecc7679d-3c2c-4496-885b-7f27cd88fa40>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00456-ip-10-... |
Patricia G.
For the last ten years, I have been working as an adjunct instructor in the area of developmental mathematics at Houston Community College System (HCCS) and Lone Star College (Fairbanks Center). I
teach all levels of the developmental math classes. I enjoy working in this environment, because the student po... | {"url":"http://www.wyzant.com/Tutors/TX/Houston/8092344/?g=3FI","timestamp":"2014-04-20T18:50:50Z","content_type":null,"content_length":"75660","record_id":"<urn:uuid:31d998dc-e5c5-40a6-af1e-d6d74e566665>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00093-ip-10-147-4-33.ec2.internal... |
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Please help:). the maximum amplitude and the maximum accelerat... | {"url":"http://openstudy.com/updates/509696b5e4b0d0275a3ce903","timestamp":"2014-04-21T08:01:53Z","content_type":null,"content_length":"129394","record_id":"<urn:uuid:05870c7e-d885-40d1-9a8f-95bb260eab3c>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00588-ip-10-147-4-33.ec2.internal... |
Maintainer diagrams-discuss@googlegroups.com
Safe Haskell None
The alignment of an object refers to the position of its local origin with respect to its envelope. This module defines the Alignable class for things which can be aligned, as well as a default
implementation in terms of HasOrigin and Enveloped, along wi... | {"url":"http://hackage.haskell.org/package/diagrams-lib-0.7/docs/Diagrams-Align.html","timestamp":"2014-04-19T15:13:04Z","content_type":null,"content_length":"12249","record_id":"<urn:uuid:06bca9b2-eca1-439a-9f10-da6415bb4881>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00209-ip-10-... |
st: Re: Calculating Determinant of Hessian Matrix Over Obervations
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st: Re: Calculating Determinant of Hessian Matrix Over Obervations
From "Michael Blasnik" <michael.blasnik@verizon.net>
To <statalist@hsphsun2.harvard.edu>
Subject st: Re... | {"url":"http://www.stata.com/statalist/archive/2007-10/msg00008.html","timestamp":"2014-04-18T13:20:51Z","content_type":null,"content_length":"6720","record_id":"<urn:uuid:3580a0e3-7122-42d1-8c1b-e51b3af668c0>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00378-ip-10-147-4-33.ec2.int... |
UCCS | Math - Math 1350 Lab 3
Math 1350 Calculus I -
Lab 3 - Maximization and Minimization
Math 135 - Calculus I - Lab 3. Optimization
A large class of problems spanning many fields of human endeavor are those concerned with optimization. Simply put, in an optimization problem we attempt to maximize or minimize a given... | {"url":"http://www.uccs.edu/~math/135lab3.html","timestamp":"2014-04-21T02:18:58Z","content_type":null,"content_length":"18421","record_id":"<urn:uuid:678628cc-956e-4453-b379-c122940e0819>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00074-ip-10-147-4-33.ec2.internal.warc.gz"} |
An introduction to the plane wave expansion method for calculating photonic crystal band diagrams
Aaron J. Danner
Created at the University of Illinois at Urbana-Champaign, Urbana, IL 61801 in 2002
Last edited on January 31, 2011
Abstract: Starting from basic undergraduate-level electromagnetics (Maxwell’s equations) a... | {"url":"http://www.ece.nus.edu.sg/stfpage/eleadj/planewave.htm","timestamp":"2014-04-18T20:57:06Z","content_type":null,"content_length":"261292","record_id":"<urn:uuid:8c13adf0-a2b0-43c5-835b-07abef12e838>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00431-ip-10-147-4-33.ec2.internal... |
When quoting this document, please refer to the following
DOI: 10.4230/LIPIcs.FSTTCS.2011.176
URN: urn:nbn:de:0030-drops-33428
URL: http://drops.dagstuhl.de/opus/volltexte/2011/3342/
Go to the corresponding Portal
Adiga, Abhijin ; Chandran, L. Sunil ; Mathew, Rogers
Cubicity, Degeneracy, and Crossing Number
A k-box B=(... | {"url":"http://drops.dagstuhl.de/opus/frontdoor.php?source_opus=3342","timestamp":"2014-04-18T03:00:04Z","content_type":null,"content_length":"7039","record_id":"<urn:uuid:5cc43930-8e3d-46b4-bb1e-b47608cac482>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00413-ip-10-147-4-33.ec2.int... |
MathGroup Archive: January 2012 [00372]
[Date Index] [Thread Index] [Author Index]
Re: How to check whether an infinite set is closed under addition?
• To: mathgroup at smc.vnet.net
• Subject: [mg124286] Re: How to check whether an infini... | {"url":"http://forums.wolfram.com/mathgroup/archive/2012/Jan/msg00372.html","timestamp":"2014-04-18T00:22:06Z","content_type":null,"content_length":"26325","record_id":"<urn:uuid:0192665a-479a-49f5-905f-d85274ba40d9>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00212-ip-10-147-4-33.... |
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Here's the question you clicked on:
\frac { \sqrt [ 3 ]{ x } -\sqrt [ 3 ]{ 2 } }{ x-2 }
Your quest... | {"url":"http://openstudy.com/updates/4f8886b3e4b02251ecc97157","timestamp":"2014-04-19T10:07:54Z","content_type":null,"content_length":"49063","record_id":"<urn:uuid:57aaebd0-6f9d-4d74-ade7-6cc53870af12>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00261-ip-10-147-4-33.ec2.internal.... |
Wolfram Demonstrations Project
Recurrence Plot of Mathematical Functions and Constants
A recurrence plot illustrates the recurrence of states in a phase space where all the possible states of a system can be seen. Recurrence plots can be used to view and study mathematical functions
such as sine and sinc or constants l... | {"url":"http://demonstrations.wolfram.com/RecurrencePlotOfMathematicalFunctionsAndConstants/","timestamp":"2014-04-20T05:46:53Z","content_type":null,"content_length":"47105","record_id":"<urn:uuid:9b094262-4524-462e-8529-f64592ef9c14>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-003... |
Math Forum Discussions - Neural Networks weights and bias help
Date: Aug 13, 2010 10:47 AM
Author: hasan batuk
Subject: Neural Networks weights and bias help
Hi, i am trying to learn NN toolbox. I tried to creat a networks that multiply the number by 3 and gives as output. For simplicity, i made the transfer function a... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=7151927","timestamp":"2014-04-19T23:15:23Z","content_type":null,"content_length":"2025","record_id":"<urn:uuid:2af72fe8-a202-4382-b37b-3e64620b2fa4>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00574-ip-10-147-4-33.ec2.interna... |
Challenging Problem!!! (Equivalent Metrics)
July 10th 2009, 01:56 PM
Challenging Problem!!! (Equivalent Metrics)
I need to show that if (X,p) is a non-compact metric space, then there exists a metric p* equivalent to p such that (X,p*) is not complete.
I greatly appreciate your help!
July 10th 2009, 08:38 PM
... | {"url":"http://mathhelpforum.com/differential-geometry/94835-challenging-problem-equivalent-metrics-print.html","timestamp":"2014-04-21T13:16:17Z","content_type":null,"content_length":"29426","record_id":"<urn:uuid:3f742fd8-820f-4860-91db-5c154c3bb9b9>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-... |
San Luis Rey Math Tutor
Find a San Luis Rey Math Tutor
...I also taught organic chemistry as a chemistry lecturer at UT Austin 2010 - 2011. As a graduate student, I worked extensively as a teaching assistant at UT for various chemistry classes
including general chemistry, organic chemistry and labs. For the past 6 ... | {"url":"http://www.purplemath.com/san_luis_rey_ca_math_tutors.php","timestamp":"2014-04-17T01:09:23Z","content_type":null,"content_length":"24127","record_id":"<urn:uuid:7f061ca7-d4c1-461b-9288-ff46d5a91552>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00107-ip-10-147-4-33.ec2.intern... |
A few questions/suggestions about MathML 2.0
From: Je'ro^me Euzenat <Jerome.Euzenat@inrialpes.fr> Date: Thu, 24 Feb 2000 11:25:01 +0200 Message-Id: <v04210103b4d9807b2648@[194.199.22.174]> To: www-math@w3.org
here are some comments from a MathML user (for non rendering
purposes) on the last WD. If you find them... | {"url":"http://lists.w3.org/Archives/Public/www-math/2000Feb/0010.html","timestamp":"2014-04-20T13:39:01Z","content_type":null,"content_length":"10598","record_id":"<urn:uuid:65be807b-e1ef-49d8-a636-70ecda5d5816>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00458-ip-10-147-4-33.ec2.... |
[FOM] Correction to problem on order types
Jeremy Clark jeremy.clark at wanadoo.fr
Sun Mar 6 16:21:07 EST 2005
I don't know if this is the error Joe had in mind, but it did occur to
me after I submitted an answer that there are in fact many more order
types satisfying this condition. Take a set S \subset \omega_1. Then... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2005-March/008831.html","timestamp":"2014-04-19T07:01:43Z","content_type":null,"content_length":"4940","record_id":"<urn:uuid:6af5c9d4-0290-4cd6-8d56-98fa3a25b149>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00599-ip-10-147-4-33.ec2.inter... |
Patent application
Patent application title: DA CONVERTER
IPC8 Class: AH03M178FI
USPC Class:
Class name:
Publication date: 2012-03-01
Patent application number: 20120050085
Sign up to receive free email alerts when patent applications wit... | {"url":"http://www.faqs.org/patents/app/20120050085","timestamp":"2014-04-18T19:55:19Z","content_type":null,"content_length":"81068","record_id":"<urn:uuid:80746fe1-53f1-40f7-8131-8b8ad3fac695>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00541-ip-10-147-4-33.ec2.internal.warc.gz"} |
the first resource for mathematics
Symmetric amenability and the nonexistence of Lie and Jordan derivations.
(English) Zbl 0888.46024
The paper is devoted to some classes of Banach algebras in which Jordan and Lie derivations are reduced to (associative) derivations.
A Banach algebra is symmetrically amenable if it has... | {"url":"http://zbmath.org/?q=an:0888.46024","timestamp":"2014-04-17T13:11:07Z","content_type":null,"content_length":"25644","record_id":"<urn:uuid:9290b50f-6c30-4e4e-940f-2cc4853afb04>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00340-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Unreasonable Effectiveness of Mathematics
by Jonathan Witt
(Dr. Witt is a Fellow of Discovery Institute and of Acton Institute)
Summary:Derek Abbott's "Is Mathematics Invented or Discovered?" asks why mathematics is so effective in describing our universe, and ultimately reduces the debate to a simplistic binary of... | {"url":"http://www.discoverynews.org/2013/09/unreasonable_effectiveness_of_076961.php","timestamp":"2014-04-19T07:12:00Z","content_type":null,"content_length":"37901","record_id":"<urn:uuid:fca6cbab-dc5e-4c8b-84e9-0d7df8ad5bd8>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00035-ip-1... |
│ Class Summary │
│ AbstractAggregator │ Abstract base class implementation of InvocableMap.EntryAggregator that supports parall... | {"url":"http://docs.oracle.com/cd/E24290_01/coh.371/e22843/com/tangosol/util/aggregator/package-summary.html","timestamp":"2014-04-16T14:35:55Z","content_type":null,"content_length":"17049","record_id":"<urn:uuid:a0edff57-ec93-40a7-8172-95e74f808a2b>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20... |
Wolfram Demonstrations Project
Roll Any Point on the Sphere to Any Desired Latitude-Longitude Coordinates with One Straight-Line Roll
Pick a point on a sphere (in green). This point has certain latitude-longitude coordinates. In one straight-line roll, we can move this point to any desired latitude-longitude coordinate... | {"url":"http://demonstrations.wolfram.com/RollAnyPointOnTheSphereToAnyDesiredLatitudeLongitudeCoordina/","timestamp":"2014-04-17T00:50:57Z","content_type":null,"content_length":"48725","record_id":"<urn:uuid:f00226f4-4f5e-401c-864f-b21a039ff45d>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-2014042... |
complicated p-series
the "p" in this problem is not the same as the "p" in the series $\sum{\frac{1}{n^p}}$ ... it's just a variable for the exponent.
i'm kind of confused because i thought that the integral test was supposed to test for convergence or divergence..but don't you already know it will be convergen... | {"url":"http://mathhelpforum.com/calculus/79977-complicated-p-series-print.html","timestamp":"2014-04-19T20:49:07Z","content_type":null,"content_length":"11063","record_id":"<urn:uuid:b5700f48-ca87-4750-82bf-60d10ab513f3>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00059-ip-10-147-... |
the first resource for mathematics
Robust exponential stability of interval Cohen-Grossberg neural networks with time-varying delays.
(English) Zbl 1198.34151
Summary: The problem of robust exponential stability for a class of interval Cohen-Grossberg neural networks with time-varying delays is investigated. Without as... | {"url":"http://zbmath.org/?q=an:1198.34151","timestamp":"2014-04-21T10:08:54Z","content_type":null,"content_length":"21128","record_id":"<urn:uuid:0c8dfd57-4acd-4a36-af38-c7a1f2c25b54>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00599-ip-10-147-4-33.ec2.internal.warc.gz"} |
MATHEMATICA BOHEMICA, Vol. 127, No. 2, pp. 229-241 (2002)
An introduction to hierarchical matrices
Wolfgang Hackbusch, Lars Grasedyck, Steffen Börm
Wolfgang Hackb... | {"url":"http://www.kurims.kyoto-u.ac.jp/EMIS/journals/MB/127.2/11.html","timestamp":"2014-04-19T02:25:16Z","content_type":null,"content_length":"3222","record_id":"<urn:uuid:ef1fb3fe-5ecf-49dd-9eea-639cd404c111>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00222-ip-10-147-4-33.ec2.in... |
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What is the mass (in grams) of one molecule of H2O? Express yo... | {"url":"http://openstudy.com/updates/504cd136e4b02980ad80fa9d","timestamp":"2014-04-20T00:50:06Z","content_type":null,"content_length":"34951","record_id":"<urn:uuid:49e3f33c-c380-49d6-8c00-eccaeaced60b>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00066-ip-10-147-4-33.ec2.internal.w... |
Sum of divisors
[FONT=Times New Roman]I need to prove that for all positive integers n, N^2 is >=2
Last edited by miz.perfect84; August 11th 2009 at 10:21 AM.
Use the fact that if $\gcd(m,n)=1,$ then $\sigma(mn)=\sigma(m)\sigma(n).$ If $n$ is odd, then $\sigma(2n)=\sigma(2)\sigma(n)=3\sigma(n)>2\sigma(n ).$ Otherwise, ... | {"url":"http://mathhelpforum.com/discrete-math/92718-sum-divisors.html","timestamp":"2014-04-18T20:01:06Z","content_type":null,"content_length":"36867","record_id":"<urn:uuid:4e805f6b-7303-49a5-b376-6e146c4a6083>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00274-ip-10-147-4-33.ec2.i... |
Pollock your own noncommutative space
Posted by lieven on Tuesday, 19 May 2009
I really like Matilde Marcolli's idea to use some of Jackson Pollock's paintings as metaphors for noncommutative spaces. In her talk she used this painting
and refered to it (as did I in my post) as : Jackson Pollock “Untitled N.3”. Before s... | {"url":"http://www.neverendingbooks.org/index.php/pollock-your-own-noncommutative-space.html","timestamp":"2014-04-18T23:15:45Z","content_type":null,"content_length":"16180","record_id":"<urn:uuid:07da4d73-bfc8-499d-ba94-2bc82fc23fa3>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-003... |
Sudoku Brain Teaser Solves Difficult Puzzles
Take the Sudoku Brain Teaser Challenge!
Sudoku is the greatest brain teaser. Love logic? Try it! It's addictive!
Who would have thought that solving a Sudoku puzzle by placing the numbers 1 through 9 in a row, column, and a 3x3 matrix would be such a brain teaser. But it is!... | {"url":"http://www.sudokuessentials.com/brain-teaser.html","timestamp":"2014-04-20T23:49:12Z","content_type":null,"content_length":"13125","record_id":"<urn:uuid:b5f50c21-8257-4887-9a70-22bda2d177fa>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00250-ip-10-147-4-33.ec2.internal.warc... |
[RESOLVED] Inheritance Problems
November 17th, 2012, 09:34 PM #1
Junior Member
Join Date
Sep 2012
[RESOLVED] Inheritance Problems
How come I can't get this program to run even though derived class Extended_queue inherited from the base class Queue?
header: Queue with Extended_queue
const int maxqueue = ... | {"url":"http://forums.codeguru.com/showthread.php?529041-Studying-operator-overloading&goto=nextnewest","timestamp":"2014-04-19T08:45:59Z","content_type":null,"content_length":"106490","record_id":"<urn:uuid:f323c4f1-723c-4b7e-b84c-773c7c7eb1ef>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-2014041... |
NAG Library
NAG Library Routine Document
1 Purpose
E01SAF generates a two-dimensional surface interpolating a set of scattered data points, using the method of Renka and Cline.
2 Specification
SUBROUTINE E01SAF ( M, X, Y, F, TRIANG, GRADS, IFAIL)
INTEGER M, TRIANG(7*M), IFAIL
REAL (KIND=nag_wp) X(M), Y(M), F... | {"url":"http://www.nag.com/numeric/fl/nagdoc_fl24/html/E01/e01saf.html","timestamp":"2014-04-20T02:22:30Z","content_type":null,"content_length":"18855","record_id":"<urn:uuid:cf59c9ff-f427-4e17-a842-cb0b52d1263f>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00013-ip-10-147-4-33.ec2.i... |
Shared Intentions
I would love to see
conversation get going again - I just recently discovered
Stephen Perrella
and think he'd have a lot more to offer if he were still with us. (found on
message ## 22431…
+ From: "Bryan A. Alexander"
+ Date: Fri, 19 Jan 1996 18:57:10 -0500 (EST)
This might return us to Spin... | {"url":"http://shareintent.blogspot.com/","timestamp":"2014-04-17T00:48:49Z","content_type":null,"content_length":"95837","record_id":"<urn:uuid:f82f2654-b209-4c64-927c-21d8f3b44f4e>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00460-ip-10-147-4-33.ec2.internal.warc.gz"} |
Wolfram Demonstrations Project
Compound Interest Table
These kinds of tables for looking up compound interest for various factors are very commonly used in engineering economics.
Some definitions:
= effective interest rate per unit period (normally one year)
= number of interest periods
= a present sum of money
= a fut... | {"url":"http://demonstrations.wolfram.com/CompoundInterestTable/","timestamp":"2014-04-18T18:13:03Z","content_type":null,"content_length":"48802","record_id":"<urn:uuid:8394b45d-5052-4d99-9035-7098ea6d3921>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00559-ip-10-147-4-33.ec2.interna... |
Frustum Pyramid Volume to Design Oil Containment System
I have attached a word document showing an image and some typed out simple calculations.
I am working on an oil containment system for a new building my employer is going to be building soon. Its pretty simple in the middle of the floor we put a catch basin with a... | {"url":"http://www.physicsforums.com/showthread.php?t=405843","timestamp":"2014-04-17T12:38:17Z","content_type":null,"content_length":"21310","record_id":"<urn:uuid:3aec6fc2-fc83-406a-b6bf-5b1ce4763163>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00586-ip-10-147-4-33.ec2.internal.w... |
Chemistry Help: Wavelength and Energy Levels [Archive] - Bodybuilding.com Forums
02-01-2011, 09:45 AM
hey guys. my chem teachers never really helped us with this as she only briefly went over this crap in my previous classes but now im asked to do these all the time and i cant figure them out for the
life of me can yo... | {"url":"http://forum.bodybuilding.com/archive/index.php/t-131399883.html","timestamp":"2014-04-17T09:51:08Z","content_type":null,"content_length":"7996","record_id":"<urn:uuid:db93d00f-f948-4fea-85dd-bb31b7e3984c>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00139-ip-10-147-4-33.ec2... |
Excel/Visual Basic Array Multiplication
Hi everyone,
I've been given the assignment to do some matrix calculations in excel using the built-in developer VBA editor. The goal of this program is to take the "Inner Product" of two arbitrary matrices
provided in the excel spreadsheet by creating a function to use. This fun... | {"url":"http://www.dreamincode.net/forums/topic/330675-excelvisual-basic-array-multiplication/page__pid__1912386__st__0","timestamp":"2014-04-24T09:06:24Z","content_type":null,"content_length":"77996","record_id":"<urn:uuid:e9c371c0-adc9-405a-966a-8189a362db96>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc... |
Seamless Cube Map Filtering
Modern GPUs filter seamlessly across cube map faces. This feature is enabled automatically when using Direct3D 10 and 11 and in OpenGL when using the ARB_seamless_cube_map extension. However, it’s
not exposed through Direct3D 9 and it’s just not available in any of the current generation con... | {"url":"http://www.altdevblogaday.com/2012/03/03/seamless-cube-map-filtering/","timestamp":"2014-04-20T06:09:35Z","content_type":null,"content_length":"27648","record_id":"<urn:uuid:c30e801a-e168-45b7-b221-4774d0855e2a>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00613-ip-10-147-4-... |
Publications - Adam Chlipala
Refereed journal articles
Refereed conference papers
Adam Chlipala
Mostly-Automated Verification of Low-Level Programs in Computational Separation Logic
. Proceedings of the
ACM SIGPLAN 2011 Conference on Programming Language Design and Implementation (PLDI'11)
. June 2011.
A constructi... | {"url":"http://adam.chlipala.net/papers/","timestamp":"2014-04-21T09:36:19Z","content_type":null,"content_length":"22085","record_id":"<urn:uuid:28317f02-4bdc-426c-9096-3909482c76f1>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00550-ip-10-147-4-33.ec2.internal.warc.gz"} |
linear indep-exams soon
Hello, please see attachment and help me solve it. thanks
What do you think might be a good start to this problem?
Hello, Here is what i think.Please check.Btw I really like your lady gaga equation! To prove this we must show linear independence beginning by first finding scalarslambda1,lambda2 ... | {"url":"http://mathhelpforum.com/advanced-algebra/219632-linear-indep-exams-soon.html","timestamp":"2014-04-16T07:58:04Z","content_type":null,"content_length":"38650","record_id":"<urn:uuid:3c411ac8-d438-4a4c-910b-9013d9410c84>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00447-ip-1... |
algebra high school freshman free help
Google visitors came to this page yesterday by using these keyword phrases:
Factorization solver, 6th grade exercises fractions, math percent proportion ppt, games on integers, hyperbola vertices formula.
Math cheat sheets, TI-81 key conversion TI-83, barron's ged free worksheets ... | {"url":"http://softmath.com/math-com-calculator/adding-matrices/algebra-high-school-freshman.html","timestamp":"2014-04-19T01:53:59Z","content_type":null,"content_length":"174771","record_id":"<urn:uuid:c1715887-7297-4c9e-a651-7914f161b62d>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-2014042303200... |
The Correct spelling is: minimum
Common misspellings of the word minimum are:
How do you spell minimum?. It is not minumum
n., pl. -mums or -ma (-mÉ™).
a. The least possible quantity or degree.
b. The lowest degree or amount reached or recorded; the lower limit of variation.
2. A lower limit permitted by law... | {"url":"http://www.how-do-you-spell.com/minimum","timestamp":"2014-04-18T05:34:10Z","content_type":null,"content_length":"6431","record_id":"<urn:uuid:e13531ed-bfc0-4c81-a79c-a55305f26d89>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00367-ip-10-147-4-33.ec2.internal.warc.gz"} |
Generalised Quaternion Algebra over K - Dauns Section 1-5 no 19
August 15th 2013, 04:56 PM
Generalised Quaternion Algebra over K - Dauns Section 1-5 no 19
In Dauns book "Modules and Rings", Exercise 19 in Section 1-5 reads as follows: (see attachment)
Let K be any ring with 1∈K whose center is a field and $0 e ... | {"url":"http://mathhelpforum.com/advanced-algebra/221214-generalised-quaternion-algebra-over-k-dauns-section-1-5-no-19-a-print.html","timestamp":"2014-04-19T20:38:30Z","content_type":null,"content_length":"5897","record_id":"<urn:uuid:2572f2b6-66bd-4e16-b14f-f9cbc5102e9e>","cc-path":"CC-MAIN-2014-15/segments/1397609537... |
A Higher Stacky Perspective On Chern-Simons Theory
Posted by Urs Schreiber
We are finalizing a contribution for a book on mathematical aspects of quantum field theory:
Domenico Fiorenza, Hisham Sati, Urs Schreiber,
A higher stacky perspective on Chern-Simons theory
Abstract. This text is a gentle exposition of some... | {"url":"https://golem.ph.utexas.edu/category/2012/12/a_higher_stacky_perspective_on.html","timestamp":"2014-04-16T14:33:21Z","content_type":null,"content_length":"12730","record_id":"<urn:uuid:a4abf2bc-2aa1-4ed3-9e8c-b5cafbeff920>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00355-i... |
News 2012
27th November 2012
Martin Hairer wins Leverhulme Research Leadership Award
Professor Martin Hairer has won a 5-year Leverhulme Research Leadership Award for his proposal: Singular Stochastic Partial Differential Equations. Most of the funding (approx £1M) will be for the
support of postdocs.
The proposed res... | {"url":"http://www2.warwick.ac.uk/fac/sci/maths/general/news/2012/","timestamp":"2014-04-18T13:59:43Z","content_type":null,"content_length":"49487","record_id":"<urn:uuid:0713b1e7-688f-44ea-b2f5-55f17ffbab4d>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00647-ip-10-147-4-33.ec2.inte... |
Fort Lauderdale SAT Math Tutor
Find a Fort Lauderdale SAT Math Tutor
...As a high-school student, I qualified for and participated in the National Math Olympics in Romania and other Mathematics contests as well. I currently teach Mathematics at Broward College
with 9 years teaching experience. Also, I work as a Lab... | {"url":"http://www.purplemath.com/fort_lauderdale_fl_sat_math_tutors.php","timestamp":"2014-04-16T07:29:33Z","content_type":null,"content_length":"24527","record_id":"<urn:uuid:39c74b21-bd04-4b25-90bd-95e55a4c7dc3>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00248-ip-10-147-4-33.ec... |
Posts about chemistry on Azimuth
Programming with Chemical Reaction Networks
23 March, 2014
There will be a 5-day workshop on Programming with Chemical Reaction Networks: Mathematical Foundation at BIRS from Sunday, June 8 to Friday June 13, 2014 It’s being organized by
• Anne Condon (University of British Columbia)
• ... | {"url":"http://johncarlosbaez.wordpress.com/category/chemistry/","timestamp":"2014-04-16T04:49:57Z","content_type":null,"content_length":"260897","record_id":"<urn:uuid:c5c27d39-7562-4f9e-982d-d01e8d87771f>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00023-ip-10-147-4-33.ec2.intern... |
28: Measure and integration
[Search][Subject Index][MathMap][Tour][Help!]
Measure theory and integration is the study of lengths, surface area, and volumes in general spaces. This is a critical feature of a full development of integration theory; moreover, it provides the
basic framework for probability theory. Meas... | {"url":"http://www.math.niu.edu/~rusin/known-math/index/28-XX.html","timestamp":"2014-04-20T13:20:59Z","content_type":null,"content_length":"10756","record_id":"<urn:uuid:bc44cf0f-0e79-43f7-91d4-48c46c7222e0>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00351-ip-10-147-4-33.ec2.inte... |
Trigonometry With Infotrac
Why Rent from Knetbooks?
Because Knetbooks knows college students. Our rental program is designed to save you time and money. Whether you need a textbook for a semester, quarter or even a summer session, we have an option
for you. Simply select a rental period, enter your information and your... | {"url":"http://www.knetbooks.com/trigonometry-infotrac-5th-mckeague-charles/bk/9780534403928","timestamp":"2014-04-16T20:15:19Z","content_type":null,"content_length":"30661","record_id":"<urn:uuid:50990b66-6f27-48e4-92fe-5fa42b48c1ff>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-000... |
Recommended book for Optimisation?
I'm looking to do a course on Optimisation, however there was no prescribed textbook and I'm a bit wary of doing a course without a textbook to reference. There was a generalised list given, of like
10 textbooks, but this is a bit too much, especially with 3 other subjects to do!
Here... | {"url":"http://www.physicsforums.com/showthread.php?p=4199814","timestamp":"2014-04-20T08:37:48Z","content_type":null,"content_length":"28315","record_id":"<urn:uuid:e3617e78-6d86-4c6e-bad6-dd12383a55e6>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00118-ip-10-147-4-33.ec2.internal.w... |
a question about diagonal prikry forcing
up vote 5 down vote favorite
Suppose <\kappa_n|n<\omega> is a strictly increasing sequence of measurable cardinals,
\kappa is the limit of this sequence. For each n<\omega, U_n is a normal measure on
\kappa_n. P is the diagonal Prikry forcing corresponding to \kappa_n's and U_n'... | {"url":"http://mathoverflow.net/questions/14883/a-question-about-diagonal-prikry-forcing","timestamp":"2014-04-19T22:45:05Z","content_type":null,"content_length":"57293","record_id":"<urn:uuid:989bd75d-51b1-471b-afcd-66c2fd044b59>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00177-i... |
How many non-equivalent sections of a regular 7-simplex?
up vote 9 down vote favorite
Suppose we have a regular 7-simplex in $\mathbb{R}^8$ defined by vertices <1,0,0,...,0>, <0,1,0,..,0>,...,<0,...,0,1>. A section is a 3-dimensional linear subspace of $\mathbb{R}^8$ that contains
simplex centroid and three other point... | {"url":"http://mathoverflow.net/questions/39429/how-many-non-equivalent-sections-of-a-regular-7-simplex","timestamp":"2014-04-16T16:54:21Z","content_type":null,"content_length":"84582","record_id":"<urn:uuid:28dbe297-83f8-44ce-a70c-1ca49ba57bd0>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-2014041... |
Laguna Hills Trigonometry Tutor
Find a Laguna Hills Trigonometry Tutor
...He is patient with his students and very knowledgeable in the subject. He has a way of making you understand the problems and get good grades in the class. He is in fact the best tutor I have
ever had!" - Ashlie W., Huntington Beach "As a for... | {"url":"http://www.purplemath.com/Laguna_Hills_Trigonometry_tutors.php","timestamp":"2014-04-21T10:42:25Z","content_type":null,"content_length":"24310","record_id":"<urn:uuid:7a4b296b-e70c-4179-998f-ccdc2092a5f4>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00217-ip-10-147-4-33.ec2.... |
Prizes, Awards, and Honors for Women Mathematicians
Prizes and Awards
Lecture Series
A trick question! There is no Nobel prize in mathematics. Why not? That question has created numerous stories, myths, and anecdotes. The most popular is that Nobel's wife had an affair with a
mathematician, usually said to be Mittag-Le... | {"url":"http://www.agnesscott.edu/lriddle/women/prizes.htm","timestamp":"2014-04-18T18:15:51Z","content_type":null,"content_length":"65381","record_id":"<urn:uuid:54e79c50-bbf2-4e06-acd2-48b1ecaa360c>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00094-ip-10-147-4-33.ec2.internal.warc... |
Got Homework?
Connect with other students for help. It's a free community.
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Here's the question you clicked on:
Aaaag i suck at word problems! ITS MULTIPLE CHOICE!!! I WOULD ... | {"url":"http://openstudy.com/updates/4febc0bfe4b0bbec5cfb822c","timestamp":"2014-04-21T07:50:05Z","content_type":null,"content_length":"73816","record_id":"<urn:uuid:1f15d13a-ba89-4682-a59b-2e10a509d393>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00179-ip-10-147-4-33.ec2.internal.... |