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Application of a Sum Formula
January 6th 2012, 06:03 AM #1
May 2011
Application of a Sum Formula
"Write cos(arctan 1 + arccos x) as an algebraic expression." So, I understand that I am to use formula for cos(u + v) because it fits the expression, where u = arctan 1 and
v = arccos x. I also know that I must ... | {"url":"http://mathhelpforum.com/trigonometry/194968-application-sum-formula.html","timestamp":"2014-04-19T08:38:57Z","content_type":null,"content_length":"48729","record_id":"<urn:uuid:06bad674-defb-4d6a-ae9c-64a599cf26b7>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00157-ip-10-14... |
East Boston Math Tutor
Find an East Boston Math Tutor
...Then you solve those equations. You will get what you are looking for. I can help you understand concepts well and improve problem solving skills.
5 Subjects: including algebra 1, algebra 2, precalculus, physics
I have worked over 20 years as an engineer.... | {"url":"http://www.purplemath.com/east_boston_math_tutors.php","timestamp":"2014-04-17T21:47:12Z","content_type":null,"content_length":"23584","record_id":"<urn:uuid:4d35e3e8-310b-45b5-9e92-fccb214e11bc>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00470-ip-10-147-4-33.ec2.internal.w... |
User Chris Eagle
bio website
age 28
visits member for 3 years, 3 months
seen Feb 19 at 15:09
stats profile views 577
22 awarded Yearling
25 awarded Excavator
22 awarded Yearling
23 awarded Yearling
Sep Independence of being an integer
9 comment If it's not... | {"url":"http://mathoverflow.net/users/11771/chris-eagle?tab=activity","timestamp":"2014-04-17T01:28:18Z","content_type":null,"content_length":"45427","record_id":"<urn:uuid:bfa2ac28-3ca8-4d50-9a72-0970cd9aa944>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00130-ip-10-147-4-33.ec2.int... |
Big O notation
Author Big O notation
Ranch Hand
Joined: Sep 05, Can somebody point me in the right direction to understand Big O notation? I am reading "Data Structures & Algorithms in Java" by Robert Lafore, and I'm havi... | {"url":"http://www.coderanch.com/t/384448/java/java/Big-notation","timestamp":"2014-04-18T21:36:37Z","content_type":null,"content_length":"22311","record_id":"<urn:uuid:4af5ddaf-2b6d-4df3-92e9-c0049f6f2c2b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00157-ip-10-147-4-33.ec2.interna... |
Proving Trig Identities.
Prove that cos^-1(1/5)+cos^-1(5/7)+cos^-1(19/35) = Pie without the use of a calculator? How would I do this?
Several approaches are possible. One approach might be the following: Let $\cos \alpha = \frac{1}{5}$, $\cos \beta = \frac{5}{7}$ and $\cos \gamma = \frac{19}{35}$. Now evaluate $\cos (\... | {"url":"http://mathhelpforum.com/pre-calculus/87209-proving-trig-identities-print.html","timestamp":"2014-04-19T16:06:03Z","content_type":null,"content_length":"5559","record_id":"<urn:uuid:e13c50a0-a34a-4764-b22e-ddcedcb04602>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00199-ip-10... |
Math Forum Discussions
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Topic: MATH B - Street Question
Replies: 9 Last Post: Jun 24, 2008 1:03 PM
Messages: [ Previous | Next ... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=1760386&messageID=6261865","timestamp":"2014-04-17T19:33:47Z","content_type":null,"content_length":"28630","record_id":"<urn:uuid:ae83bcc4-209c-491a-9314-b18917ed2501>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00136-ip-10-147-4... |
Interactive Math Programs
These programs are designed to be used with Multivariable Mathematics by R.E. Williamson and H.F. Trotter, and Introduction to Differential Equations by Richard E. Williamson, but are quite generally
useful for illustrating concepts in the areas covered by the texts. So have fun, experiment wi... | {"url":"http://www.dartmouth.edu/~rewn/","timestamp":"2014-04-16T11:11:06Z","content_type":null,"content_length":"7655","record_id":"<urn:uuid:22fa66bb-7802-4e5b-95fc-298cce16f47f>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00462-ip-10-147-4-33.ec2.internal.warc.gz"} |
Vertices of a simple graph
May 24th 2007, 03:07 PM #1
Super Member
Mar 2006
Vertices of a simple graph
Prove that a smiple graph with at least two vertices would have two or more vertices of the same degree.
Realize that if a simple graph has n vertices then the maximum degree of any vertex is n-1. Thus sup... | {"url":"http://mathhelpforum.com/discrete-math/15332-vertices-simple-graph.html","timestamp":"2014-04-18T12:05:38Z","content_type":null,"content_length":"49705","record_id":"<urn:uuid:f778e3fb-a3f7-4b0b-9c6c-2e3c53dc792f>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00465-ip-10-147-4... |
6.892 Lecture #8
6.892 Lecture #8
Minimizing Misclassification
An Example
The Perceptron Picture
A Learning Procedure
Perceptron Learning Rule
Random Gradient Descent
How Random is this Descent?
Very Random Descent
Stochastic Approximation
Perceptron: Solution to the World’s Problems
Perceptrons: Unfortunate Dead End?
... | {"url":"http://www.ai.mit.edu/courses/6.892/lecture8-html/index.htm","timestamp":"2014-04-17T18:24:35Z","content_type":null,"content_length":"2080","record_id":"<urn:uuid:dc9179a3-7222-4206-a8f6-817430d9d487>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00298-ip-10-147-4-33.ec2.inte... |
PEMDAS Calculator
November 10th, 2013, 08:22 PM
PEMDAS Calculator
I'm writing a calculator, and to start, I'm writing basic arithmetic functionality. I've figured out how to tackle the "EMDAS" portion of the Order of Ops, however, I don't have a clue on how to
simplify parentheses. The code I've written doesn't... | {"url":"http://www.javaprogrammingforums.com/%20java-theory-questions/33669-pemdas-calculator-printingthethread.html","timestamp":"2014-04-18T08:41:16Z","content_type":null,"content_length":"6479","record_id":"<urn:uuid:4ac3611c-cafe-4e99-8240-f7e7420c426f>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-... |
Leibnitz Rule
April 22nd 2007, 10:05 AM #1
Leibnitz Rule
I'm having a diffucult time sovling this problem The problem statements reads as.
x = y(x) - (1/2)*integral( (1-|x-u|) * y(u) du) from -1 to 1.
From direct differentialtion, we are suppose to use Leibnitz rule to prove that
y''(x) + y(x) = 0,
... | {"url":"http://mathhelpforum.com/calculus/14028-leibnitz-rule.html","timestamp":"2014-04-18T18:03:33Z","content_type":null,"content_length":"28053","record_id":"<urn:uuid:0c37d263-0af2-46f4-99fd-39ac034efe9e>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00317-ip-10-147-4-33.ec2.inte... |
Absolute value equation
hi Sabbir,
Welcome to the forum.
For any 'linear' expression
The critical value for x is
So, for your equation you need to consider these cases:
(i) x < - 1/2
expression becomes
Although, strictly that value is outside the range that I'm checking, a numeric check shows it is a solution.
(ii) x =... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=237388","timestamp":"2014-04-18T06:14:48Z","content_type":null,"content_length":"22328","record_id":"<urn:uuid:61e2d346-beb2-49ee-a60a-77d19a65a76b>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00442-ip-10-147-4-33.ec2.internal... |
Function Notation with Logs and Exponentials - Problem 3
Function Notation with Logs and Exponentials - Problem 3
Exponential functions are often used for modeling population growth, as we see in these examples. The function notation shows that you're modeling a population in terms of the input, time. Pay
attention to... | {"url":"https://www.brightstorm.com/math/precalculus/exponential-and-logarithmic-functions/function-notation-with-logs-and-exponentials-problem-3/","timestamp":"2014-04-18T18:27:32Z","content_type":null,"content_length":"72845","record_id":"<urn:uuid:826fc453-bec0-4db1-b476-981107d3cd51>","cc-path":"CC-MAIN-2014-15/seg... |
Math Help
March 10th 2010, 06:29 AM #1
Find all solutions
Are you suppose to let this equal to 0, but I thought thats only for quadratics? and it would not be a quadratic?
It's a degree-5 equation, but no need to fear:
The middle one can't be zero, so you'll get one family of solutions from the first o... | {"url":"http://mathhelpforum.com/trigonometry/133086-solutions.html","timestamp":"2014-04-16T11:59:40Z","content_type":null,"content_length":"32435","record_id":"<urn:uuid:62753055-b9ae-45a4-9f5c-effbad35ba6a>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00652-ip-10-147-4-33.ec2.int... |
Re: Limits!
Hi bobbym,
What is the limit of a_n as n approaches infinity, with a being any real number.
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I ... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=202066","timestamp":"2014-04-20T13:53:09Z","content_type":null,"content_length":"39787","record_id":"<urn:uuid:d2fb2f54-0e61-436c-90b2-020a61e2e9bd>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00241-ip-10-147-4-33.ec2.internal... |
Re: [TF-ENT] redundant blank nodes
From: Birte Glimm <birte.glimm@comlab.ox.ac.uk> Date: Fri, 9 Oct 2009 19:14:01 +0100 Message-ID: <492f2b0b0910091114j2df67cf8o8ed30d4dd61cfdde@mail.gmail.com> To: "Seaborne, Andy" <
andy.seaborne@hp.com> Cc: SPARQL Working Group <public-rdf-dawg@w3.org>
2009/10/9 Seaborne, Andy <andy.... | {"url":"http://lists.w3.org/Archives/Public/public-rdf-dawg/2009OctDec/0099.html","timestamp":"2014-04-19T22:57:10Z","content_type":null,"content_length":"20232","record_id":"<urn:uuid:0923182f-b4d3-49fd-b2c1-234abb096f31>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00475-ip-10-147... |
Wolfram Demonstrations Project
Complex Newton Map
Newton's method uses an initial value and the recursion to find roots of the equation . In the complex plane, equations with multiple roots show fractal behavior on grids of initial conditions. The
Newton depth determines the number of recursions.
In this Demonstration,... | {"url":"http://demonstrations.wolfram.com/ComplexNewtonMap/","timestamp":"2014-04-17T12:51:14Z","content_type":null,"content_length":"43147","record_id":"<urn:uuid:1b4e3b22-5b26-4d34-9c20-a9c6df7b0f58>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00293-ip-10-147-4-33.ec2.internal.wa... |
Ostrich-inspired robot learns some fancy footwork
March 23, 2013
Meet FastRunner, a bioinspired robot that thinks it’s an ostrich, being built at the Florida Institute for Human and Machine Cognition. It’s expected to be the world’s fastest robotic biped, at 22
Impressive, but no Boston Dynamics Cheetah, at 28.3 mph (o... | {"url":"http://www.kurzweilai.net/ostrich-inspired-robot-learns-some-fancy-footwork?_escaped_fragment_=prettyPhoto","timestamp":"2014-04-19T22:13:27Z","content_type":null,"content_length":"38130","record_id":"<urn:uuid:11c6b654-d853-4a8e-b37a-60a7d3013b11>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-M... |
[SciPy-user] shared memory machines
Gael Varoquaux gael.varoquaux@normalesup....
Sun Feb 1 09:29:40 CST 2009
On Sun, Feb 01, 2009 at 10:03:30AM -0500, Gideon Simpson wrote:
> Yes, but I'm talking about when you have a multiprocessor/multicore
> system, not a commodity cluster. In these shared memory
> configuratio... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2009-February/019688.html","timestamp":"2014-04-17T21:25:54Z","content_type":null,"content_length":"8788","record_id":"<urn:uuid:7786dc5c-029e-4052-8aa1-88ba3d450a81>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00212-ip-10-147-4-33... |
[racket-dev] Math library initial commit almost ready; comments on issues welcome
From: Neil Toronto (neil.toronto at gmail.com)
Date: Mon Oct 1 18:49:03 EDT 2012
On 10/01/2012 04:20 PM, Sam Tobin-Hochstadt wrote:
> On Mon, Oct 1, 2012 at 6:08 PM, Neil Toronto <neil.toronto at gmail.com> wrote:
>> On 10/01/2012 02:06 P... | {"url":"http://lists.racket-lang.org/dev/archive/2012-October/010467.html","timestamp":"2014-04-16T11:17:30Z","content_type":null,"content_length":"9102","record_id":"<urn:uuid:bf936099-9930-4e8a-aeae-015ebbbf4ed4>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00659-ip-10-147-4-33.ec2... |
December 2012
Volume 10
Issue 6
pp 1243-1267
Open Access This content is freely available online to anyone, anywhere at any time.
The concept of function is a central but difficult topic in secondary school mathematics curricula, which encompasses a transition from an operational to a structural view. The question in t... | {"url":"http://link.springer.com/article/10.1007%2Fs10763-012-9329-0","timestamp":"2014-04-23T22:46:04Z","content_type":null,"content_length":"59498","record_id":"<urn:uuid:29608124-f4d2-4b8f-9552-7fdd4641c14d>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00103-ip-10-147-4-33.ec2.int... |
Walking Randomly
A colleague recently sent me the following code snippet in R
> a=c(1,2,3,40)
> b=a[1:10]
> b
[1] 1 2 3 40 NA NA NA NA NA NA
The fact that R didn’t issue a warning upset him since exceeding array bounds, as we did when we created b, is usually a programming error.
I’m less concerned and simply file t... | {"url":"http://www.walkingrandomly.com/","timestamp":"2014-04-18T15:41:10Z","content_type":null,"content_length":"98388","record_id":"<urn:uuid:97f497e2-fd1a-4789-ac2a-590df32bc920>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00379-ip-10-147-4-33.ec2.internal.warc.gz"} |
Scientific Calculator Code
Scientific Calculator Code
DreamCalc Scientific Calculator 4.1.0
Edition is the smarter ... to a hand-held
Scientific Calculator
for your PC or ... to reach for a
. DreamCalc also offers you a full range of
functions, statistics, ...
ESBCalc Pro - Scientific Calculator 8.1.4
is an Enhance... | {"url":"http://www.softwaregeek.com/scientific-calculator-code/p1.html","timestamp":"2014-04-17T12:42:17Z","content_type":null,"content_length":"81482","record_id":"<urn:uuid:e6195617-67d3-493b-bea9-b2463fefd42d>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00158-ip-10-147-4-33.ec2.... |
rocket launch
September 4th 2008, 05:21 PM #1
Junior Member
Mar 2008
rocket launch
When watching a rocket launch, Nema is 0.8Km closer to the launching pad than Joel is. When the rocket disappears from view, its angle of elevation for Nema is 36.5* and for Joel is 31.9*. How
high is the rocket at this point... | {"url":"http://mathhelpforum.com/pre-calculus/47760-rocket-launch.html","timestamp":"2014-04-23T07:19:06Z","content_type":null,"content_length":"34840","record_id":"<urn:uuid:2ef728cd-1fa8-46e8-8fbc-4a489a2f5816>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00378-ip-10-147-4-33.ec2.... |
302 Quantitative Methods
ES302 Quantitative Methods in Earth Science
Class Syllabus (Adobe Acrobat Format)
ES302 Spring 2013 Class Syllabus
2012-2013 Finals Schedule
Bulletin Board **Check Here for Class News and Events**
ES302 Final Grades a... | {"url":"http://www.wou.edu/las/physci/taylor/g302/g302sp13.htm","timestamp":"2014-04-16T19:14:40Z","content_type":null,"content_length":"17083","record_id":"<urn:uuid:b7064d57-123e-4674-b832-d08874f5bc72>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00137-ip-10-147-4-33.ec2.internal... |
San Marino Calculus Tutor
Find a San Marino Calculus Tutor
I recently graduated from USC with a BS in biomedical engineering. In college, I taught 4th graders chemistry and focused on keeping my lessons simple and interactive. Currently, I work with
college students that are preparing for the MCAT (admissions test ... | {"url":"http://www.purplemath.com/san_marino_calculus_tutors.php","timestamp":"2014-04-20T06:46:28Z","content_type":null,"content_length":"24079","record_id":"<urn:uuid:907b206e-2fd3-4652-a75e-68355ac9ba00>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00432-ip-10-147-4-33.ec2.intern... |
raduation & freshman retention highlights
PBA Home > Institutional Research & Analysis > Students > UG Graduation & Retention Rates > Highlights Fall 2008
CU-Boulder undergraduate graduation & freshman retention highlights
Fall 2008
For first-time full-time new freshmen entering summer or fall terms
(full time = 12+ hr... | {"url":"http://www.colorado.edu/pba/records/gradrt/highlights08.htm","timestamp":"2014-04-21T16:28:35Z","content_type":null,"content_length":"23120","record_id":"<urn:uuid:0945cfed-5500-46a6-8cc6-aa86773cb92a>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00614-ip-10-147-4-33.ec2.int... |
Derivative pricing and optimal execution of portfolio transactions in finitely liquid markets
Mitton, M. D. (2007) Derivative pricing and optimal execution of portfolio transactions in finitely liquid markets. PhD thesis, University of Oxford.
In real markets, to some degree, every trade will incur a non-zero cost and ... | {"url":"http://eprints.maths.ox.ac.uk/585/","timestamp":"2014-04-18T02:59:04Z","content_type":null,"content_length":"19218","record_id":"<urn:uuid:fa464610-5e3a-46fd-a46f-9ac06b7ef618>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00392-ip-10-147-4-33.ec2.internal.warc.gz"} |
Calibrating & Simulating Natural Gas Spot Prices
This example demonstrates calibrating an Ornstein-Uhlenbeck mean reverting stochastic model from historical data of natural gas prices. The model is then used to simulate the spot prices into the
future using the Stochastic Differential Equation Simulation engine in Econ... | {"url":"http://www.mathworks.com/matlabcentral/fileexchange/28056-energy-trading-risk-management-with-matlab-webinar-case-study/content/html/ModelNGPrice.html","timestamp":"2014-04-18T21:04:34Z","content_type":null,"content_length":"36055","record_id":"<urn:uuid:5ef184ca-d124-480a-a6f8-af4595afd0a8>","cc-path":"CC-MAIN... |
Los Altos Statistics Tutor
Find a Los Altos Statistics Tutor
...I'm flexible in my teaching style, and will work with parents, schools and students to determine the format of tutoring most likely to bring them success. In all cases, however, I emphasise
risk taking, self-sufficency and critical thinking when approa... | {"url":"http://www.purplemath.com/los_altos_statistics_tutors.php","timestamp":"2014-04-19T10:13:35Z","content_type":null,"content_length":"24095","record_id":"<urn:uuid:74a2d5d6-44c6-4166-b436-6a1ffa01e934>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00490-ip-10-147-4-33.ec2.inter... |
type 1 error and type 2 error
November 18th 2010, 02:54 AM #1
Sep 2009
type 1 error and type 2 error
A bowl contains seven marbles of which
to test the null hypothesis Ho :
randomly drawn without replacement and the null hypothesis is rejected if and
only if both are red.
(a) What is the probabi... | {"url":"http://mathhelpforum.com/advanced-statistics/163650-type-1-error-type-2-error.html","timestamp":"2014-04-20T00:32:19Z","content_type":null,"content_length":"38852","record_id":"<urn:uuid:de0c147a-cfc3-4c65-87ad-6811f58f85dc>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00015... |
Radical Equations
Practice Radical Equations
What if you had a radical equation like $\sqrt{2x + 5} - 3 = 0$
Watch This
CK-12 Foundation: Radical Equations
When the variable in an equation appears inside a radical sign, the equation is called a radical equation. To solve a radical equation, we need to eliminate the rad... | {"url":"http://www.ck12.org/book/CK-12-Algebra-I-Concepts/r2/section/11.6/","timestamp":"2014-04-21T13:35:48Z","content_type":null,"content_length":"170269","record_id":"<urn:uuid:be30058e-1a11-484f-92bc-b7caf21cbf98>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00284-ip-10-147-4-33... |
Braingle: 'Code Breaker' Brain Teaser
Code Breaker
Logic puzzles require you to think. You will have to be logical in your reasoning.
Puzzle ID: #47775
Category: Logic
Submitted By: jtolley
You are a spy trying to gain access to a high profile building that contains very classified information. The only thi... | {"url":"http://www.braingle.com/brainteasers/teaser.php?op=2&id=47775&comm=0","timestamp":"2014-04-19T01:58:55Z","content_type":null,"content_length":"24995","record_id":"<urn:uuid:a497a400-1122-4a44-9051-79bbda7f52c5>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00202-ip-10-147-4-33... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Testing normality by Skewness and Kurtosis: a new focusing
Replies: 1 Last Post: Oct 28, 2013 7:46 AM
... | {"url":"http://mathforum.org/kb/thread.jspa?messageID=9313466&tstart=0","timestamp":"2014-04-21T15:01:39Z","content_type":null,"content_length":"19271","record_id":"<urn:uuid:433741a9-823b-4a7c-93d9-642e88112eef>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00554-ip-10-147-4-33.ec2.... |
Two meshing methods are better than one
The most widely used methods are the h and p-adaptive refinement. Each has its trade-offs. But combining the two into an advanced form improves accuracy and processing time while eliminating many of
the trade-offs.
"In an ideal world, the accuracy of FEA results is determined by ... | {"url":"http://machinedesign.com/print/archive/two-meshing-methods-are-better-one","timestamp":"2014-04-24T09:38:01Z","content_type":null,"content_length":"21494","record_id":"<urn:uuid:c22e2277-6d28-4fc6-b5dd-29baa7fe36f4>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00581-ip-10-14... |
Brazilian Journal of Physics
Services on Demand
Related links
Print version ISSN 0103-9733
Braz. J. Phys. vol.34 no.2a São Paulo June 2004
Microphase separation of diblock copolymer with moving walls
Antonio Daud Júnior^I; Flavio Moretti Morais^I; Sílvia Martins^I; Débora Coimbra^II; Welles A. M. Morgado^III
^IFaculdad... | {"url":"http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000300014&lng=en&nrm=iso&tlng=en","timestamp":"2014-04-19T15:16:43Z","content_type":null,"content_length":"36493","record_id":"<urn:uuid:eb1be9be-56aa-4aa5-88ea-419da3603c6a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20... |
numerical value of Hebrew letters
Each letter in the
Hebrew alphabet
has a numerical value. These values can be used to write
, as the
used some of their letters (I, V, X, L, C, M) to represent numbers. Alef through Yod have the values
. Yod through Qof have the values 10 through 100, counting by 10s. Qof through Tav h... | {"url":"http://everything2.com/title/numerical+value+of+Hebrew+letters","timestamp":"2014-04-21T08:19:26Z","content_type":null,"content_length":"21298","record_id":"<urn:uuid:28fa5b7f-3e8e-4f98-8629-89f5571c2dac>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00339-ip-10-147-4-33.ec2.... |
In The So-called Feedback Configuration Of The ... | Chegg.com
Linear Circuit
Please attach a picture
Image text transcribed for accessibility: In the so-called feedback configuration of the figure below, E(s) is the Laplace transform of the error between the reference signal xref(t) and some
function or modification o... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/called-feedback-configuration-figure-e-s-laplace-transform-error-reference-signal-xref-t-f-q4289792","timestamp":"2014-04-18T21:10:49Z","content_type":null,"content_length":"21992","record_id":"<urn:uuid:226599e3-ae3d-4176-9dbc-21974b5fb938>","cc-path":"C... |
Galois theory for polynomials in several variables
up vote 15 down vote favorite
I feel a bit ashamed to ask the following question here.
What is (actually, is there) Galois theory for polynomials in $n$-variables for $n\geq2$?
I am preparing a large audience talk on Lie theory, and decided to start talking about s... | {"url":"http://mathoverflow.net/questions/81209/galois-theory-for-polynomials-in-several-variables?sort=oldest","timestamp":"2014-04-21T13:04:39Z","content_type":null,"content_length":"66432","record_id":"<urn:uuid:1f0d29f0-4a66-4783-bace-ee62b6fb747b>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-... |
Six Billion Factorial
Date: 05/15/2003 at 23:45:14
From: DJ
Subject: Permutations
6 billion p 100
I know how to do permutations but there must be a quick way to
do a problem like this. Even my calculator lists error when I try to
do it. Is there a formula that I don't know about?
Date: 05/16/2003 at 10:53:46
From: Doct... | {"url":"http://mathforum.org/library/drmath/view/62940.html","timestamp":"2014-04-21T00:16:44Z","content_type":null,"content_length":"9301","record_id":"<urn:uuid:d9a19513-faaf-475d-bc14-e6e82e19d27e>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00406-ip-10-147-4-33.ec2.internal.warc... |
Atanasoff-Berry Computer
Atanasoff Berry Computer
The Atanasoff Berry Computer, later named the ABC, was built at Iowa State University from 1939-1942 by physics professor Dr. John Vincent Atanasoff and his graduate student, Clifford Berry.
Why did Atanasoff invent the ABC? What did he intend for it to do? Atanasoff wa... | {"url":"http://jva.cs.iastate.edu/operation.php","timestamp":"2014-04-19T01:47:26Z","content_type":null,"content_length":"8802","record_id":"<urn:uuid:59d922cb-9eac-4494-b567-624689129b3d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00015-ip-10-147-4-33.ec2.internal.warc.gz"} |
The watershed transform: definitions, algorithms, and parallelization strategies. Fundamenta Informaticae
Results 1 - 10 of 106
- IEEE TPAMI , 2004
"... The image foresting transform (IFT) is a graph-based approach to the design of image processing operators based on connectivity. It naturally leads to correct and effi... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=216985","timestamp":"2014-04-16T23:20:32Z","content_type":null,"content_length":"35656","record_id":"<urn:uuid:9e8b562e-09ca-42cf-8119-74108cb74181>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00254-ip-10-147-4-33.ec2.internal.war... |
ALEX Lesson Plans
Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Lines of Best Fit
Description: This lesson includes a teacher lead activity on gathering data and lines of best fit. Vocabulary is stressed (positive, negative or non-existing correlations). In groups, students will
demonstrate kno... | {"url":"http://alex.state.al.us/all.php?std_id=54175","timestamp":"2014-04-17T06:49:23Z","content_type":null,"content_length":"106327","record_id":"<urn:uuid:d06463e3-247d-4269-9149-44b2b9115c6f>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00648-ip-10-147-4-33.ec2.internal.warc.gz"... |
Posts about Mathematics on Dj Konservo
Now that no one cares about the contents of Joe the Plumber’s trash, it seems more resources can be devoted to boring old Albert Einstein’s “E=mc²” formula. It turns out he was right:
PARIS (AFP) — It’s taken more than a century, but Einstein’s celebrated formula e=mc2 has fin... | {"url":"http://djkonservo.wordpress.com/category/mathematics/","timestamp":"2014-04-18T02:58:59Z","content_type":null,"content_length":"44231","record_id":"<urn:uuid:e9cd3099-ec02-40fc-8d08-1d095729240c>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00023-ip-10-147-4-33.ec2.internal.... |
Zentralblatt MATH
Publications of (and about) Paul Erdös
Zbl.No: 793.05081
Autor: Erdös, Paul; Ordman, Edward T.; Zalcstein, Yechezkel
Title: Clique partitions of chordal graphs. (In English)
Source: Comb. Probab. Comput. 2, No.4, 409-415 ... | {"url":"http://www.emis.de/classics/Erdos/cit/79305081.htm","timestamp":"2014-04-21T02:25:43Z","content_type":null,"content_length":"3237","record_id":"<urn:uuid:81f3ad49-5f76-4a8e-ae98-afb76cce19e0>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00527-ip-10-147-4-33.ec2.internal.warc.... |
adventures and commotions in automated theorem proving
hi all! am pleased to write up a topic that Ive studied for decades and have recently collected many interesting & fascinating links from wideranging cybersurfing expedition(s): automated computer
theorem proving (ATP) [c2] and the closely associated computer assi... | {"url":"http://vzn1.wordpress.com/2013/05/03/adventures-and-commotions-in-automated-theorem-proving/","timestamp":"2014-04-20T18:33:03Z","content_type":null,"content_length":"81281","record_id":"<urn:uuid:7443c4eb-3b2b-4873-a83a-1ee57d27915c>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-2014041600... |
Message from AMSI regarding proposed cuts at Victoria University
Posted on 9 October, 2009 by Terence Tao
The new director of the Australian Mathematical Sciences Institute, Geoff Prince, has written an open letter to the Vice Chancellor and President of Victoria University, Elizabeth Harman, regarding
the proposed sev... | {"url":"http://austmaths.wordpress.com/2009/10/09/message-from-amsi-regarding-proposed-cuts-at-victoria-university/","timestamp":"2014-04-17T15:26:15Z","content_type":null,"content_length":"68546","record_id":"<urn:uuid:89aae35b-2682-4e70-84d7-a1643f88739c>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-... |
Patent application title: VELOCITY CALCULATING DEVICE, VELOCITY CALCULATION METHOD, AND NAVIGATION DEVICE
Sign up to receive free email alerts when patent applications with chosen keywords are published SIGN UP
Provided is a velocity calculating device including a vertical acceleration detector that detects a vertical ... | {"url":"http://www.faqs.org/patents/app/20110066377","timestamp":"2014-04-20T20:24:28Z","content_type":null,"content_length":"169368","record_id":"<urn:uuid:2e600486-208d-4ed7-8d96-1629ed9ee961>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00527-ip-10-147-4-33.ec2.internal.warc.gz"} |
Lake City, GA Geometry Tutor
Find a Lake City, GA Geometry Tutor
...Since 2008 I have been volunteering at two different elementary schools tutoring ESL students (K-5) in math, English/reading/writing, and biology. I am very patient and enjoy working with
kids. I understand that not every student is the same, and t... | {"url":"http://www.purplemath.com/Lake_City_GA_geometry_tutors.php","timestamp":"2014-04-19T10:16:01Z","content_type":null,"content_length":"24211","record_id":"<urn:uuid:d50e16bc-60a6-475a-ac75-2348978898eb>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00067-ip-10-147-4-33.ec2.inte... |
4aSAb2. Scattering calculations by a hybrid GTD-boundary integral equation method.
Session: Thursday Morning, June 19
Author: Paul E. Barbone
Location: Dept. of Aerosp. and Mech. Eng., Boston Univ., Boston, MA 02215
Author: Ofer M. Michael
Location: Dept. of Aerosp. and Mech. Eng., Boston Univ., Boston, MA 02215
We con... | {"url":"http://www.auditory.org/asamtgs/asa97pen/4aSAb/4aSAb2.html","timestamp":"2014-04-17T06:43:25Z","content_type":null,"content_length":"2214","record_id":"<urn:uuid:78f7fa6e-dd11-4907-9ad4-084a8ae4afc2>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00206-ip-10-147-4-33.ec2.inter... |
Different kinds of Tricki article
Quick description
This page is a very general navigation page with links to other pages that list Tricki articles of similar types and give further links. For a different route into the Tricki, there is also a
navigation page that is more concerned with the kinds of problems that the a... | {"url":"http://www.tricki.org/article/Different_kinds_of_Tricki_article","timestamp":"2014-04-18T22:31:52Z","content_type":null,"content_length":"30293","record_id":"<urn:uuid:a0e5d08e-e882-4869-8b2c-5747d265b671>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00435-ip-10-147-4-33.ec2.... |
Mathematical Cell Biology; May 2012
Homework assignments:
• Homework and activities for Week 3: Set 1 will be based on the HW problems on the site for Jun Allard's Material
• NEW! Here is Set 2
Lectures and Course Material
You can find the topics covered, lecture notes, and links to material in the table below.
Her... | {"url":"http://www.math.ubc.ca/~keshet/MCB2012/Week3.html","timestamp":"2014-04-17T01:00:48Z","content_type":null,"content_length":"5666","record_id":"<urn:uuid:45a53858-eac2-41ac-83b3-801a1cbdc5f9>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00492-ip-10-147-4-33.ec2.internal.warc.... |
Pleasant Hill, CA Trigonometry Tutor
Find a Pleasant Hill, CA Trigonometry Tutor
...I could explain the main points precisely and concisely (Algebra is my PhD area). All have improved in their understanding and in various degree their grades. I provide extra practice and
drill problems. I have substantial experienc... | {"url":"http://www.purplemath.com/pleasant_hill_ca_trigonometry_tutors.php","timestamp":"2014-04-16T10:31:57Z","content_type":null,"content_length":"24498","record_id":"<urn:uuid:30cb7a85-f177-4242-81b6-24c300db3fc9>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00161-ip-10-147-4-33.... |
Quick math question in Binary
Quick math question in Binary
Hey, guys! Thank you for every one who commented on my previous thread about todays use with Binary.
Getting more indepth, I came across this one math problem that has become very irritating, because it just doesn't make sense to me...
It's pretty ... | {"url":"http://cboard.cprogramming.com/general-discussions/146802-quick-math-question-binary-printable-thread.html","timestamp":"2014-04-18T00:26:57Z","content_type":null,"content_length":"16153","record_id":"<urn:uuid:a81b8f65-03ac-4540-a084-be9e06143b2d>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-M... |
Card Game Analogous to Monty Hall?
Date: 12/12/2000 at 08:10:55
From: Gabriel Lozano
Subject: New aspect of Monty Hall. 50% proof?
I hope you can help me on this new aspect of the good old Monty Hall
problem. Here is the new problem:
There are three cards in front of you, two that are kings, and one
that's an ace. You ... | {"url":"http://mathforum.org/library/drmath/view/56668.html","timestamp":"2014-04-16T14:04:37Z","content_type":null,"content_length":"12796","record_id":"<urn:uuid:e616b53d-6187-45c0-985d-293c2c9798d3>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00384-ip-10-147-4-33.ec2.internal.wa... |
Mean reverting strategies and volatility
September 27, 2010
By kafka
Mean reverting strategies are beating on mean reversion of the prices. There are various flavors of mean reverting strategies, but as a proxy I chose RSI(2). You can find many entries on blogosphere
about this strategy, but nowadays its popularity dri... | {"url":"http://www.r-bloggers.com/mean-reverting-strategies-and-volatility/","timestamp":"2014-04-19T22:41:05Z","content_type":null,"content_length":"38271","record_id":"<urn:uuid:34e3ddc8-4713-4ca9-bc6b-5ecfbf9e7ae7>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00655-ip-10-147-4-33... |
Need some clarification on a formula
October 18th 2011, 05:58 AM #1
Senior Member
Apr 2010
Need some clarification on a formula
In the discrete case, is the summing notation used here interpreted such that I have to sum with regard to the sample space of Y, and then sum the result of that with respect to th... | {"url":"http://mathhelpforum.com/advanced-statistics/190698-need-some-clarification-formula.html","timestamp":"2014-04-21T06:31:10Z","content_type":null,"content_length":"35329","record_id":"<urn:uuid:42596d31-fe23-426e-bdac-436192663df2>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219... |
Granny shot
Addendum: In the face of Professor Pi's extraordinary mathematics, I have been forced to reconsider my write-up. I think Ben Franklin said it best when he said that the greatest tragedy in the world
is when a beautiful theory is murdered by a gang of brutal facts.
This node has earned me a nice chunk of XP ... | {"url":"http://everything2.com/title/Granny+shot","timestamp":"2014-04-19T19:58:08Z","content_type":null,"content_length":"40322","record_id":"<urn:uuid:a53b0a88-e1d5-4503-8a3e-aa9fcc364335>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00189-ip-10-147-4-33.ec2.internal.warc.gz"} |
H.S. Lahman on OO and MDA
Blog root page
next post in category
A state machine is an implementation of the mathematical notion of finite state automata. In a finite state automata an arbitrary set of input symbols is read sequentially. The automata consists of
individual states and the state changes each time a symbol ... | {"url":"http://pathfinderpeople.blogs.com/hslahman/object_state_machines/","timestamp":"2014-04-19T22:52:55Z","content_type":null,"content_length":"37078","record_id":"<urn:uuid:08153dbf-c195-4d9a-a8f0-390029eab7a3>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00516-ip-10-147-4-33.e... |
Palatine Science Tutor
Find a Palatine Science Tutor
...My economics background includes completing advanced 400-level coursework across macroeconomics and microeconomics and such graduate-level coursework as Time-Series Econometrics and
Cross-Section Econometrics. While earning my BA in Economics with Honors from ... | {"url":"http://www.purplemath.com/Palatine_Science_tutors.php","timestamp":"2014-04-18T21:18:15Z","content_type":null,"content_length":"23985","record_id":"<urn:uuid:78e42dd2-a668-4780-b568-ec3ecafc2f46>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00639-ip-10-147-4-33.ec2.internal.w... |
Parts of a square
A lesson plan for grades 3–4 Mathematics
Students investigate the ways shapes can be divided into equal pieces with one or two cuts. It provides a review of the following vocabulary terms: square, triangle, and rectangle; congruent,
one-half, and one-fourth. The other lessons in this unit build on thi... | {"url":"http://www.learnnc.org/lp/external/5532","timestamp":"2014-04-21T15:00:11Z","content_type":null,"content_length":"13391","record_id":"<urn:uuid:0991d51b-6f8c-482c-9c53-748c22fda03c>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00584-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Internal Monoidal Product
As we’re talking about enriched categories, we’re always coming back to the monoidal category $\mathcal{V}$. This has an underlying category $\mathcal{V}_0$, which is then equipped with a monoidal
product — an ordinary functor $\otimes:\mathcal{V}_0\times\mathcal{V}_0\rightarrow\mathcal{V}... | {"url":"http://unapologetic.wordpress.com/2007/08/28/the-internal-monoidal-product/?like=1&_wpnonce=cb13afa090","timestamp":"2014-04-17T18:43:40Z","content_type":null,"content_length":"80795","record_id":"<urn:uuid:6d3876f2-6d99-4192-a2a8-760570fe00e7>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-2... |
Matches for:
Return to List
Formal Groups and Applications
Preface Introduction Table of Contents Index Supplementary Material    
AMS Chelsea This book is a comprehensive treatment of the theory of formal groups and its numerous applications in several areas of mathematics. The seven chapters of the boo... | {"url":"http://ams.org/bookstore?fn=20&arg1=chelsealist&ikey=CHEL-375-H","timestamp":"2014-04-17T01:43:05Z","content_type":null,"content_length":"15123","record_id":"<urn:uuid:9aa36418-d2c7-417e-bbe6-5d50c1274468>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00008-ip-10-147-4-33.ec2.... |
Re: st: Endogenous count variable in a binary model
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Re: st: Endogenous count variable in a binary model
From "Leda Inga" <ledainga@gmail.com>
To statalist@hsphsun2.harvard.edu
Subject Re: st: Endogenous count variable in a binary model
... | {"url":"http://www.stata.com/statalist/archive/2008-05/msg01104.html","timestamp":"2014-04-16T10:21:52Z","content_type":null,"content_length":"9120","record_id":"<urn:uuid:de713409-5f99-4b7d-b87c-722ae32af0db>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00243-ip-10-147-4-33.ec2.int... |
August 30th 2009, 08:58 PM
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.74 m/s2 and subway stations are located 846 m apart, what is the maximum speed a subway train can attain
between stations? (b) What is the travel time between stations? (c) If a subway train stops ... | {"url":"http://mathhelpforum.com/calculus/99892-confused-print.html","timestamp":"2014-04-17T04:07:55Z","content_type":null,"content_length":"6897","record_id":"<urn:uuid:59980f61-e194-4aa9-871a-a11da4fab67a>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00148-ip-10-147-4-33.ec2.inte... |
GMAT Math: Can you divide by a variable?
Question #1: In the equation,
can you divide both sides by x?
Question #2: In the equation (x – 3)(x + 5) = (2x + 1)(x + 5), can you divide both sides by (x + 5)?
Question #3:
Question #4:
Dividing by a variable or by an algebraic expression
The short answer is: NO.
You see, it’... | {"url":"http://magoosh.com/gmat/2013/gmat-math-can-you-divide-by-a-variable/","timestamp":"2014-04-19T06:51:48Z","content_type":null,"content_length":"57933","record_id":"<urn:uuid:87432445-9313-471e-bd1e-9083513ce4e5>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00427-ip-10-147-4-3... |
Latitude by Meridian Altitude
A. Latitude from Meridian Altitude Observations of the Sun
meridian observation of the sun is among the simplest celestial observations to take and to calculate. It is somewhat surprising, therefore, that Clark doesn't m... | {"url":"http://lewis-clark.org/content/content-article.asp?ArticleID=2077","timestamp":"2014-04-17T07:09:36Z","content_type":null,"content_length":"40757","record_id":"<urn:uuid:35ca3e75-0988-4d1d-9bdb-825d9ef7baf2>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00331-ip-10-147-4-33.e... |
petsc-3.4.4 2014-03-13
MATIS = "is" - A matrix type to be used for using the Neumann-Neumann type preconditioners. This stores the matrices in globally unassembled form. Each processor assembles only its local Neumann
problem and the parallel matrix vector product is handled "implicitly".
Operations Provided
MatMult()... | {"url":"http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Mat/MATIS.html","timestamp":"2014-04-21T08:23:58Z","content_type":null,"content_length":"3809","record_id":"<urn:uuid:86b1d8fa-35b4-4ed1-85e2-6f8acb291ec1>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00126-ip-10-14... |
Villa Rica ACT Tutor
Find a Villa Rica ACT Tutor
...I used both QuickBooks Premier and Enterprise versions for a major non-profit corporation, using Premier for single-office organizations and Enterprise for multiple-office organizations. I
have used the export to Excel feature to design specialized Excel workbooks... | {"url":"http://www.purplemath.com/villa_rica_act_tutors.php","timestamp":"2014-04-18T13:42:08Z","content_type":null,"content_length":"23700","record_id":"<urn:uuid:92320037-3229-47f8-92c8-854cc41710ec>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00085-ip-10-147-4-33.ec2.internal.war... |
[R-sig-ME] Conditional AIC with lmer
Kyle Edwards kedwards at ucdavis.edu
Wed Feb 13 19:28:11 CET 2008
Hi all,
I posted on this topic last week, but someone pointed out to me that
my post was not in plain text. Apologies for that error.
With a colleague, I have been trying to implement the Conditional AIC
described by ... | {"url":"https://stat.ethz.ch/pipermail/r-sig-mixed-models/2008q1/000578.html","timestamp":"2014-04-20T10:50:02Z","content_type":null,"content_length":"4411","record_id":"<urn:uuid:dedfca06-9677-4dfb-ad87-fb0e43e59241>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00379-ip-10-147-4-33... |
Euclid's Elements Book I, Proposition 5: (Pons Asinorum)
In isosceles triangles the angles at the base are equal to one another, and, if the equal straight lines are produced further, then the angles under the base will be equal to one another.
Click the figure bellow to see the illustration.
Read more at:
Euclid's E... | {"url":"http://gogeometry.blogspot.com/2010/02/euclids-elements-book-i-proposition-5.html","timestamp":"2014-04-20T06:47:36Z","content_type":null,"content_length":"55091","record_id":"<urn:uuid:099824ea-78d0-4c61-980c-7846d9964f40>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00427-... |
MATHEMATICA BOHEMICA, Vol. 128, No. 2, pp. 137-146 (2003)
On the $\sigma$-finiteness of a variational measure
Diana Caponetti
... | {"url":"http://www.emis.de/journals/MB/128.2/3.html","timestamp":"2014-04-17T00:56:36Z","content_type":null,"content_length":"2196","record_id":"<urn:uuid:eaed50a5-0002-4495-995b-375b9edee6ce>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00547-ip-10-147-4-33.ec2.internal.warc.gz"} |
Understanding General Relativity
A Troubled Man
How is it that gravity is the result of the difference in time dilation between ones' hand and head?
That's an important part that your friend did not explain! It comes down to what constitutes an "inertial path", i.e., the path in spacetime taken by an object with some... | {"url":"http://www.physicsforums.com/showthread.php?p=4233842","timestamp":"2014-04-20T21:22:54Z","content_type":null,"content_length":"88626","record_id":"<urn:uuid:61f445aa-8777-45fb-97c1-ba8051bacfa6>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00160-ip-10-147-4-33.ec2.internal.... |
User Matthew Wampler-Doty
bio website w-d.org
location South Park, Colorado
age 29
visits member for 3 years, 9 months
seen Apr 9 at 16:11
stats profile views 159
I am working on my MSc in Logic at the ILLC at Universiteit van Amsterdam. I am interested in... | {"url":"http://mathoverflow.net/users/7348/matthew-wampler-doty?tab=favorites&sort=added","timestamp":"2014-04-16T07:30:51Z","content_type":null,"content_length":"40848","record_id":"<urn:uuid:979de7cf-b5b5-4a46-a7d1-35aea8004430>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00548-i... |
What is the potential difference across
May 9th 2008, 08:53 AM #1
What is the potential difference across
What is the potential difference across (i) AB (ii) BC.
(i) $\frac{200}{400} \times 6 = 3V$
Is this right?
No, it's wrong : the two $100\Omega$ resistors are in parallel, not in series. Hence $R_{BC... | {"url":"http://mathhelpforum.com/math-topics/37765-what-potential-difference-across.html","timestamp":"2014-04-20T20:25:50Z","content_type":null,"content_length":"43483","record_id":"<urn:uuid:f41a73ae-0d33-454f-9dbd-6e4b7335c89f>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00100-i... |
Hairer, Martin - Department of Mathematics, Courant Institute of Mathematical Sciences, New York University
• Exponential Mixing for a Stochastic PDE Driven by Degenerate Noise
• October 1, 2009 16:0 WSPC -Proceedings Trim Size: 9in x 6in proceedings Periodic homogenization with an interface
• A Theory of Hypoe... | {"url":"http://www.osti.gov/eprints/topicpages/documents/starturl/44/331.html","timestamp":"2014-04-17T05:56:59Z","content_type":null,"content_length":"16349","record_id":"<urn:uuid:5ff02096-c867-48c5-915b-96abb14ea9f0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00596-ip-10-147-4-3... |
Finding Critical regions
June 8th 2010, 01:14 PM #1
May 2009
7. It is known from past records that 1 in 5 bowls produced in a pottery have minor defects. To monitor production a random sample of 25 bowls was taken and the number of such bowls with defects
was recorded.
(a) Using a 5% level of significan... | {"url":"http://mathhelpforum.com/statistics/148293-finding-critical-regions.html","timestamp":"2014-04-16T05:05:29Z","content_type":null,"content_length":"34764","record_id":"<urn:uuid:e34996c8-80e5-44e0-befd-b89cbb6235bb>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00293-ip-10-147... |
MathGroup Archive: October 2003 [00053]
[Date Index] [Thread Index] [Author Index]
Non-negative Least Squares (NNLS) algorithm
• To: mathgroup at smc.vnet.net
• Subject: [mg43770] Non-negative Least Squares (NNLS) algorithm
• From: mdw ... | {"url":"http://forums.wolfram.com/mathgroup/archive/2003/Oct/msg00053.html","timestamp":"2014-04-21T15:08:05Z","content_type":null,"content_length":"41498","record_id":"<urn:uuid:a49fd545-11db-4289-8b00-3b9c0f10c01d>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00655-ip-10-147-4-33.... |
Norm on the Lp space
May 20th 2010, 04:01 PM #1
Mar 2010
Norm on the Lp space
In showing that $\Vert .\Vert{p}$ defines a norm on $L_{p} (p\geq1)$, I'm not so sure about checking the axiom
$\Vert f \Vert_{p}=0$ iff $f=0$.
A textbook mentions defining an equivalence relation on $L_{p}$ space but I don't ... | {"url":"http://mathhelpforum.com/differential-geometry/145759-norm-lp-space.html","timestamp":"2014-04-17T05:27:46Z","content_type":null,"content_length":"39984","record_id":"<urn:uuid:97a1fbb3-3d14-4eef-80a3-3f259b55f0af>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00071-ip-10-147... |
Global solutions to the compressible Euler equations with geometrical structure
Results 1 - 10 of 17
- in R 3+1 , Comm.Math.Phys
"... : A simple two-fluid model to describe the dynamics of a plasma is the Euler-Poisson system, where the compressible electron fluid interacts with its own electric field against a constan... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1666407","timestamp":"2014-04-25T06:08:55Z","content_type":null,"content_length":"36441","record_id":"<urn:uuid:d86b839e-b6eb-4b1b-9250-b17b2f28818a>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00567-ip-10-147-4-33.ec2.internal.wa... |
Doylestown, PA SAT Math Tutor
Find a Doylestown, PA SAT Math Tutor
...Making up for a tedious PowerPoint presentation by being an exceptional speaker is no longer required. PowerPoint is one of Microsoft's best programs. You will be amazed at how easy it will be
to familiarize yourself with the various aspects of t... | {"url":"http://www.purplemath.com/Doylestown_PA_SAT_Math_tutors.php","timestamp":"2014-04-17T19:32:50Z","content_type":null,"content_length":"24055","record_id":"<urn:uuid:6b6ee789-0bc3-4e71-85dd-f3d43faa5ac5>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00552-ip-10-147-4-33.ec2.int... |
What is Zero Forcing (ZF) in Wireless Communications?
1. 20th March 2007, 03:12 #1
what is zero forcing
I am working on MIMO BC, can any body help me for following.
What is Zero Forcing (ZF) in Wireless Communications?
Arif Khan
2. 20th March 2007, 03:14 #2
Junior Member level 3
Jo... | {"url":"http://www.edaboard.com/thread91261.html","timestamp":"2014-04-17T18:23:36Z","content_type":null,"content_length":"71643","record_id":"<urn:uuid:11b34ce3-0779-4efb-93b1-a82b4f424f22>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00054-ip-10-147-4-33.ec2.internal.warc.gz"} |
Multi-level Pie Charts
By: Jeff Clark Date: Thu, 27 Jul 2006
I promised a few months ago to describe something I call a Multi-level Pie Chart or Radial Treemap. I spent some time developing the idea as an alternative to the standard Treemap a few years ago
before discovering that it had been done before. Despite the fa... | {"url":"http://www.neoformix.com/2006/MultiLevelPieChart.html","timestamp":"2014-04-21T09:36:50Z","content_type":null,"content_length":"10581","record_id":"<urn:uuid:a98d7b33-3013-4748-a280-1497c3a91483>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00650-ip-10-147-4-33.ec2.internal.... |
Math Forum Discussions - Re: Matheology § 203
Date: Feb 2, 2013 5:17 AM
Author: fom
Subject: Re: Matheology § 203
On 2/2/2013 4:02 AM, WM wrote:
> On 2 Feb., 09:57, fom <fomJ...@nyms.net> wrote:
>> On 2/1/2013 9:48 AM, WM wrote:
>>> On 1 Feb., 16:35, William Hughes <wpihug...@gmail.com> wrote:
>>>> Let P(n) be
>>>> ... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=8231079","timestamp":"2014-04-18T10:46:26Z","content_type":null,"content_length":"4351","record_id":"<urn:uuid:869b1117-43f0-4e91-90cd-9ab171f2bbd4>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00256-ip-10-147-4-33.ec2.interna... |
100,000 digits of pi
11-22-2004 #46
Registered User
Join Date
Mar 2003
Zach L.
Not read the book, what does he say about it?
I guess you weren't replying to me, but the number Phi shows up in tons of places. I haven't read the Da Vinci code, but the book I mentioned is all about where the number phi sur... | {"url":"http://cboard.cprogramming.com/brief-history-cprogramming-com/58833-100-000-digits-pi-4.html","timestamp":"2014-04-20T00:13:16Z","content_type":null,"content_length":"110989","record_id":"<urn:uuid:23b2f09c-8a26-4e00-83db-6d1e0383384e>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-201404160... |
Narrow Search
Earth and space science
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Now showing results 1-10 of 40
In this activity, students will examine line plots of NASA data and see that the sun heats up land, air, and water. Students will practice drawing conclusions based on graphed data of cloudy vs.
clear sky observations. The lesson pr... | {"url":"http://nasawavelength.org/resource-search?facetSort=1&topicsSubjects=Mathematics&materialsCost=Free&learningTime=30+to+45+minutes","timestamp":"2014-04-18T17:21:31Z","content_type":null,"content_length":"70705","record_id":"<urn:uuid:5e5ca6c2-ce25-42ee-a493-28aaa389f91f>","cc-path":"CC-MAIN-2014-15/segments/139... |
Optimization and L'Hospital's rule
October 25th 2009, 05:14 PM #1
Oct 2009
Optimization and L'Hospital's rule
1) $y = \lim_{x\to\infty} x^{\frac{ln(7)}{1+ln(x)}}$
$ln(y) = \lim_{x\to\infty} \frac{ln(7)ln(x)}{1+lnx}$
Deriving the right side gives me:
$ln(y) = \lim_{x\to\infty} \frac{\frac{ln(x)}{7}+\... | {"url":"http://mathhelpforum.com/calculus/110460-optimization-l-hospital-s-rule.html","timestamp":"2014-04-19T15:43:49Z","content_type":null,"content_length":"39857","record_id":"<urn:uuid:158e0bcf-2167-45a7-b03c-35207712915e>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00586-ip-10-... |
A measure of the change in aggregate production caused by changes in government taxes. The tax multiplier is the negative marginal propensity to consume times one minus the slope of the aggregate
expenditures line. The simple tax multiplier includes ONLY induced consumption. More complex tax multipliers include oth... | {"url":"http://www.amosweb.com/cgi-bin/awb_nav.pl?s=wpd&c=dsp&k=tax+multiplier","timestamp":"2014-04-17T06:46:20Z","content_type":null,"content_length":"47146","record_id":"<urn:uuid:20be9c9d-58ae-4f6b-bcf0-5784cda9c9da>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00444-ip-10-147-4... |
Let's Join O.R. Forces to Crack the 17x17 Challenge
Let’s Join O.R. Forces to Crack the 17×17 Challenge
I recently came across this post by bit-player, which refers to this post by William Gasarch, on a very interesting feasibility problem: given an $m \times n$ grid, assign one of $c$ colors to each
position on the gr... | {"url":"https://orbythebeach.wordpress.com/2009/12/15/lets-join-o-r-forces-to-crack-the-17x17-challenge/","timestamp":"2014-04-19T01:48:27Z","content_type":null,"content_length":"79775","record_id":"<urn:uuid:17934be2-7cdb-45ef-843f-a303d7c6012b>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-2014041... |
Weekly Challenge 13: Comet Catastrophe
Copyright © University of Cambridge. All rights reserved.
'Weekly Challenge 13: Comet Catastrophe' printed from http://nrich.maths.org/
In July 1994 the Comet Shoemaker-Levy 9 struck the planet Jupiter at a speed of around $60\textrm{ km s}^{-1}$ . Although it broke up before impa... | {"url":"http://nrich.maths.org/7055/index?nomenu=1","timestamp":"2014-04-17T18:26:20Z","content_type":null,"content_length":"4100","record_id":"<urn:uuid:134b5cd5-d7c4-4f24-be1a-0dcc5b61b649>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00532-ip-10-147-4-33.ec2.internal.warc.gz"} |
AeroRocket simulation software for rockets and airplanes
AeroRocket Software Products
AeroCFD® | AeroWindTunnel | AeroSpike | Nozzle | AeroIsp
AeroDRAG & Flight Simulation™ | AeroCP | HyperCFD | AeroFinSim
AeroEuler | StarTravel | Wind Tunnel Course | Buy
Latest Publications
“Potential Vortex Transient Analysis ... | {"url":"http://aerorocket.com/","timestamp":"2014-04-18T20:43:36Z","content_type":null,"content_length":"25786","record_id":"<urn:uuid:ea306453-aa17-4441-9118-abf4b65d8805>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00246-ip-10-147-4-33.ec2.internal.warc.gz"} |
Applying generalizability theory with R
One of the things I like about my current job is getting to apply generalizability theory. I have to confess that I didn't appreciate G theory at first, but now that I'm analyzing data from
performance assessments (i.e., ratings of instructional effectiveness) I think it's great ... | {"url":"http://blog.lib.umn.edu/moor0554/canoemoore/2012/10/g_theory_r.html","timestamp":"2014-04-19T07:07:34Z","content_type":null,"content_length":"25718","record_id":"<urn:uuid:b8b13b49-a681-4479-bdfe-2a1f92af4c64>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00181-ip-10-147-4-33... |
Mathematical methods Q - Find Domain where analytic
February 19th 2011, 03:08 PM #1
Jul 2010
Mathematical methods Q - Find Domain where analytic
Hi, im really stuck on this question. Thankyou for any help in advance
i) Find a domain on which the function
g1(z) = ln[(z − 4)/(z^2 − 4)]
is single value... | {"url":"http://mathhelpforum.com/differential-geometry/171866-mathematical-methods-q-find-domain-where-analytic.html","timestamp":"2014-04-17T08:14:40Z","content_type":null,"content_length":"29962","record_id":"<urn:uuid:1acbe423-1e83-49f6-af3d-b44ed20eb6e0>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC... |
Laurent Series Expansion
Re: Laurent Series Expansion
Hi clumsy shark;
I am unfamiliar with the terminology. To expand in a Laurent series we need the expansion around the poles. These are the zeros of the denominator.
I get for them 2 and i and -i. What happens with that ring stuff? That is where I am stuck. Do you wa... | {"url":"http://www.mathisfunforum.com/viewtopic.php?id=19478","timestamp":"2014-04-21T12:36:56Z","content_type":null,"content_length":"11028","record_id":"<urn:uuid:604b18f6-1fb7-41dd-84e8-2b776f25ff41>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00590-ip-10-147-4-33.ec2.internal.w... |
First integrals of a 3D incompressible flow
up vote 2 down vote favorite
Let $\Omega$ be an unbounded periodic smooth domain of $\mathbb{R}^3$. We are Given an incompressible vector field $q:\Omega\subset\mathbb{R}^3\rightarrow \mathbb{R}^3$ (i.e. $\nabla\cdot q\equiv 0$
over $\Omega$) which satisfies $q\cdot \nu =0$ o... | {"url":"http://mathoverflow.net/questions/133134/first-integrals-of-a-3d-incompressible-flow","timestamp":"2014-04-17T18:36:15Z","content_type":null,"content_length":"48785","record_id":"<urn:uuid:0b7b098b-15ce-4959-b389-b6d36093f871>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-004... |
Island Lake Precalculus Tutor
Find a Island Lake Precalculus Tutor
...I am also doing one-on-one tutoring for high school students for the past three years. After my tutoring all of my students see the hike in their grades. I am able to help in pre-algebra,
algebra, Geometry, College-algebra, Trigonometry and Calcu... | {"url":"http://www.purplemath.com/island_lake_precalculus_tutors.php","timestamp":"2014-04-20T15:56:53Z","content_type":null,"content_length":"24365","record_id":"<urn:uuid:c6fed303-6541-4a24-b3e2-96fc695dd4f7>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00399-ip-10-147-4-33.ec2.int... |
Numoracle Recipes
My plan was to finish a full series on Oracle tools for Basic Statistics, before moving on to typical "blog-like" postings - but I realize I'll need at least another month (or two) to get to topics
like ANOVA and Multiple Regression. I feel compelled to get a basic feel for a technique/concept before ... | {"url":"http://numoraclerecipes.blogspot.com/","timestamp":"2014-04-16T08:39:36Z","content_type":null,"content_length":"166312","record_id":"<urn:uuid:cf805032-4631-4f1a-a4b2-24209c66af52>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00020-ip-10-147-4-33.ec2.internal.warc.gz"} |
CONTEST # 1
Welcome to the first-ever Tin's Fins NFL Draft Competition.
First Prize is a $75 gift certificate to NFLshop.com.
Second Prize is a $25 gift certificate to NFLshop.com.
Third Prize is a $15 gift certificate to NFLshop.com.
OK, here's how this will work.All entries MUST be e-mailed to 'tinshaker@gmail.com
wi... | {"url":"http://tinsfins.blogspot.com/2009/04/contest-1.html","timestamp":"2014-04-17T15:31:40Z","content_type":null,"content_length":"81940","record_id":"<urn:uuid:eb2dea43-468a-4ca5-b032-7ef5f9affa39>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00105-ip-10-147-4-33.ec2.internal.war... |
MATHEMATICA BOHEMICA, Vol. 132, No. 1, pp. 59-74 (2007)
Properties of a hypothetical exotic complex structure on $\Bbb C P^3$
J. R. Brown
... | {"url":"http://www.emis.de/journals/MB/132.1/7.html","timestamp":"2014-04-20T05:50:29Z","content_type":null,"content_length":"2538","record_id":"<urn:uuid:4158f7a3-33cc-42b7-a5ff-d4be80b892cf>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00495-ip-10-147-4-33.ec2.internal.warc.gz"} |
Circus Physics: Conservation of Angular Momentum
Website Detail Page
published by the Public Broadcasting Service
technical implementer: the Show of Force Productions
This video-based resource examines conservation of angular momentum through the motion of an acrobat doing aerial flips. It explores how a tucked posit... | {"url":"http://www.compadre.org/Precollege/items/detail.cfm?ID=13047","timestamp":"2014-04-16T22:29:32Z","content_type":null,"content_length":"51243","record_id":"<urn:uuid:75500859-1d26-4503-97f6-94bc6fae3eca>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00291-ip-10-147-4-33.ec2.int... |