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Topic: Determining 'classname' such that isa(v,'classname') will be true
Replies: 5 Last Post: Apr 22, 2013 11... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8895279","timestamp":"2014-04-21T05:16:09Z","content_type":null,"content_length":"25911","record_id":"<urn:uuid:4cddcfdd-bb3d-4ee8-af48-f4306ce99114>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00022-ip-10-147-4-33.ec2.internal... |
while covering a distance of of 30 km ajeet takes 2 - Class 10 mathematics Question Answer - Extramarks Ask Explore Answer
Accepting Answers...
While covering a distance of of 30 km.Ajeet takes 2 hrs more than amit.If Ajeet doubles his speed , he would take 1 hr less than Amit.Find their speeds of walking.
ajeet's spee... | {"url":"http://www.extramarks.com/ask-explore-answer/question/7594/mathematics/while-covering-a-distance-of-of-30-km-ajeet-takes-2/10/?pn=&prevsh=","timestamp":"2014-04-16T10:16:22Z","content_type":null,"content_length":"43937","record_id":"<urn:uuid:8c0ce049-59aa-43d5-99ac-b103fb76eed2>","cc-path":"CC-MAIN-2014-15/seg... |
Biology Archive | January 16, 2010 | Chegg.com
Is the slug population in Hardy Weinbergequilibrium?
the slug population has 2 alleles: slime 1 (very slimy) andslime 2 ( barely slimy). They are codominant.
The total population consists of 200 very slimy slugs along with400 barely slimy; there are also 400 slugs with med... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/biology-archive-2010-january-16","timestamp":"2014-04-20T05:15:16Z","content_type":null,"content_length":"30129","record_id":"<urn:uuid:c17b83b2-be85-42e2-b822-e20a057bb9b9>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217... |
Regents Exam Prep Center Topic Index
Lesson Simplifying Rational (Fractional) Expressions
Lesson Adding and Subtracting Rational (Fractional) Expressions
Lesson Multiplying Rational (Fractional) Expressions
Lesson Division of Rational (Fractional) Expressions
Practice ... | {"url":"http://www.regentsprep.org/Regents/math/algtrig/ATO2/indexATO2.htm","timestamp":"2014-04-19T14:39:12Z","content_type":null,"content_length":"6062","record_id":"<urn:uuid:13d5fc36-e8cd-48e9-b646-2678386e2ecd>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00541-ip-10-147-4-33.ec... |
write equation for f(x) = mx + b given f(2) = 3, f(6) = -3
lost wrote:Write an equation for each function in the form f(x) = mx+b
f(2) = 3, f(6) = -3
You've been given two points, (x, f(x)) = (2, 3) and (x, f(x)) = (6, -3). Plug these points into
slope formula
. Then pick one of the points (it doesn't matter wh... | {"url":"http://www.purplemath.com/learning/viewtopic.php?p=153","timestamp":"2014-04-17T21:39:40Z","content_type":null,"content_length":"18929","record_id":"<urn:uuid:97d869b6-24dc-4599-910e-13815167d27c>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00366-ip-10-147-4-33.ec2.internal... |
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John invests $10,000 for two years at 10% compounded annually.... | {"url":"http://openstudy.com/updates/52028b7fe4b0ebbcb9c6e189","timestamp":"2014-04-17T12:36:22Z","content_type":null,"content_length":"34813","record_id":"<urn:uuid:d632e033-656a-474e-8a76-3a251d320d5a>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00205-ip-10-147-4-33.ec2.internal.... |
Equation of an
Defines an ellipse and explains how to graph an ellipse in standard form.
Writing Equations of Ellipses Given the Center, One Vertex and One Co-Vertex
Writing Equations of Ellipses Given the Center, One Vertex, and One Focus
Find the standard form of the equation of the ellipse given vertices and minor a... | {"url":"http://www.ck12.org/analysis/Equation-of-an-Ellipse/","timestamp":"2014-04-18T19:25:07Z","content_type":null,"content_length":"78613","record_id":"<urn:uuid:ee41c807-4476-4634-97fe-9db026e8bd61>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00065-ip-10-147-4-33.ec2.internal.wa... |
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Solve for x: 2/5 (x - 2) = 4x anyone know???
• one year ago
... | {"url":"http://openstudy.com/updates/50bf9bc5e4b0689d52fdc977","timestamp":"2014-04-16T19:47:32Z","content_type":null,"content_length":"32285","record_id":"<urn:uuid:37c91864-b79b-41a2-affb-082b6d6b2f34>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00152-ip-10-147-4-33.ec2.internal.... |
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Thanks... | {"url":"http://openstudy.com/users/sylinan/answered","timestamp":"2014-04-16T22:59:53Z","content_type":null,"content_length":"108971","record_id":"<urn:uuid:ce4f89de-d582-4180-9dd4-fcc7a3f9b069>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00409-ip-10-147-4-33.ec2.internal.warc.gz"} |
Percent Over Last Year
I want to find the percent of increase over last year. If last year was 100 and this year is 500 then the percent would be 500%. However things get tricky if last year was -100 and this year is 500
or if last year was 100 and this year is -500 then it get's screwy and I'm not sure what formula to... | {"url":"http://excel.bigresource.com/Percent-over-last-year-5Wj8ATvq.html","timestamp":"2014-04-16T10:45:02Z","content_type":null,"content_length":"68989","record_id":"<urn:uuid:38832906-85ab-4f5d-ba4b-c3e5b1f3ae8b>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00055-ip-10-147-4-33.e... |
Modelling Forum
When? Tuesday, 1.10pm-2.00am
Where? Room MY336 (Seminar room 4), Aras Moyola
Why? The main intention of this informal seminar series is to be a way for staff and students to dissiminate their past and current research to other academics. Topics can range from Mathematics,
Physics, Statistics, Numerics, ... | {"url":"http://www.maths-physics.nuigalway.ie/documents/seminars.html","timestamp":"2014-04-20T01:47:12Z","content_type":null,"content_length":"20510","record_id":"<urn:uuid:e59206e1-4c66-4543-b4e1-5814053bf4ec>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00453-ip-10-147-4-33.ec2.in... |
Math Help
April 25th 2009, 06:31 PM #1
Dec 2008
Let R be the region bounded by the graph of y=(1/x)(ln(x)), the x axis, and the line x=e. Find the area of the region.
So i found that (1/x)(lnx) intersects the x axis at 1 so to solve for the area we would find the intergral of (1/x)(lnx) from 1-e. How would... | {"url":"http://mathhelpforum.com/calculus/85654-area.html","timestamp":"2014-04-21T15:51:34Z","content_type":null,"content_length":"36606","record_id":"<urn:uuid:f663925d-bb8b-44bd-a229-215a6eac014e>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00551-ip-10-147-4-33.ec2.internal.warc... |
Dividing fractions help!!!
Dividing fractions help!!!
hey i've been taking a C++ class for half a school year and i need help on writing thois program for HW....the question is....Given Fractions a/b and c/d (a,b,c,d integers, b+d not zero) print in
lowest terms the quotient of a/b divided by c/d.....first test... | {"url":"http://cboard.cprogramming.com/cplusplus-programming/32769-dividing-fractions-help-printable-thread.html","timestamp":"2014-04-20T06:02:52Z","content_type":null,"content_length":"8052","record_id":"<urn:uuid:af34f19f-1ba4-431f-8070-4c2150f0a08a>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN... |
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A steam engine has an efficiency of 20%.It is given an energy ... | {"url":"http://openstudy.com/updates/508a76b1e4b077c2ef2e2c45","timestamp":"2014-04-18T21:09:37Z","content_type":null,"content_length":"178778","record_id":"<urn:uuid:b430f3f4-b59d-4604-b227-1e2acdc29299>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00335-ip-10-147-4-33.ec2.internal.... |
Multivariate analysis of variance
Multivariate analysis of variance or muliple analysis of variance (MANOVA) is a statistical test procedure for comparing multivariate (population) means of several groups. Unlike univariate ANOVA, it
uses the variance-covariance between variables in testing the statistical significance... | {"url":"http://blekko.com/wiki/MANOVA?source=672620ff","timestamp":"2014-04-19T23:40:21Z","content_type":null,"content_length":"63497","record_id":"<urn:uuid:70021501-0e4e-4653-86dd-f40038143f17>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00070-ip-10-147-4-33.ec2.internal.warc.gz"... |
Next: 15-8. Up: Energy I: Week 1 Previous: 15-2.
Consider, for concreteness, the system to be a mass on a horizontal spring. The mass then takes half of it's periodic motion. Thus the period will be twice this amount of time or
Finally, the amplitude of the motion is the distance from equilibrium to on of the end point... | {"url":"http://www.physics.drexel.edu/~dcross/teaching/energy1/week1/node2.html","timestamp":"2014-04-21T12:34:24Z","content_type":null,"content_length":"2761","record_id":"<urn:uuid:1a4ba065-69a7-4e72-a9fc-e05ac5209c17>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00422-ip-10-147-4... |
Differential equation
February 8th 2009, 12:10 PM
Differential equation
For what $nonzero$ values of $k$ does the function $y=sinhkt$ satisfy the DE $y''-25y=0$?
I got $k=5$ and $k=-5$ which I think is correct, but I'm struggling with the other two parts of the question:
For those values of $k$, show that e... | {"url":"http://mathhelpforum.com/differential-equations/72506-differential-equation-print.html","timestamp":"2014-04-17T20:27:01Z","content_type":null,"content_length":"10323","record_id":"<urn:uuid:c6048021-2666-49a9-958c-02e75d6b25ec>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-0... |
Computational and mathematical challenges involved in very large-scale phylogenetics
Seminar Room 1, Newton Institute
Phylogenetic inference presents enormous computational and mathematical challenges, but these are particularly exacerbated when dealing with very large datasets (containing thousands of sequences) or
wh... | {"url":"http://www.newton.ac.uk/programmes/PLG/seminars/2007090310001.html","timestamp":"2014-04-20T05:49:59Z","content_type":null,"content_length":"6725","record_id":"<urn:uuid:fb35a808-eb50-481c-b19e-23206beb42d2>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00121-ip-10-147-4-33.ec... |
Optimization Problem
April 15th 2010, 07:56 PM #1
Apr 2010
Optimization Problem
I'm doing good with calculus but I'm having trouble deciphering optimization problems. Two currently:
Find the area of the largest rectangle that can be inscribed in a right triangle with legs of length 3cm and 4cm if two sides ... | {"url":"http://mathhelpforum.com/calculus/139433-optimization-problem.html","timestamp":"2014-04-16T11:42:33Z","content_type":null,"content_length":"34069","record_id":"<urn:uuid:58e0adb2-0517-46e6-aae0-659d3cef758d>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00522-ip-10-147-4-33.... |
Mountlake Terrace Prealgebra Tutors
...In my personal studies I have completed math classes through calculus two. I have completed the WyzAnt geometry qualification quiz. I have privately tutored geometry for several students over
the past 5 years.
4 Subjects: including prealgebra, geometry, algebra 1, algebra 2
... | {"url":"http://www.algebrahelp.com/Mountlake_Terrace_prealgebra_tutors.jsp","timestamp":"2014-04-16T07:15:56Z","content_type":null,"content_length":"25349","record_id":"<urn:uuid:6f3a9bc8-0a12-4e20-b801-77ced10ede07>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00153-ip-10-147-4-33.... |
Need help with logarithm/exponential functione problems(2)
April 8th 2010, 08:49 PM #1
Apr 2010
I'm in pre-calculus and I'm completely clueless with these 2 problems.
1) The radioactive isotope of carbon-14c has a half life of 5730 years.
A) What is the decay constant of carbon-14c
B) If we start wi... | {"url":"http://mathhelpforum.com/pre-calculus/138042-need-help-logarithm-exponential-functione-problems-2-a.html","timestamp":"2014-04-21T07:30:08Z","content_type":null,"content_length":"38318","record_id":"<urn:uuid:250741ee-462c-4e3a-8237-88ccdd018975>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAI... |
Relative increase in entropy is always less than relative increase in maximum entropy
August 3rd 2010, 07:02 PM
Relative increase in entropy is always less than relative increase in maximum entropy
Suppose we have a set of $N$ states out of which probabilities are calculated based on a frequency approach where N is... | {"url":"http://mathhelpforum.com/advanced-statistics/152736-relative-increase-entropy-always-less-than-relative-increase-maximum-entropy-print.html","timestamp":"2014-04-21T16:02:42Z","content_type":null,"content_length":"6070","record_id":"<urn:uuid:ba5deaed-a56c-44a6-aa39-feb1212b8df1>","cc-path":"CC-MAIN-2014-15/seg... |
Continuity of Functions Examples
Continuity of Functions Examples
Continuity at a Point via Pictures
The Pencil Rule of ContinuityA continuous function is one that we can draw without lifting our pencil, pen, or Crayola crayon.Here are some examples of continuous functions:If a function is
Continuity at a Point v... | {"url":"http://www.shmoop.com/continuity-function/examples.html","timestamp":"2014-04-16T04:12:14Z","content_type":null,"content_length":"27575","record_id":"<urn:uuid:d0eb1fcb-016a-4284-817b-a56a9a01bd21>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00258-ip-10-147-4-33.ec2.interna... |
Posts by
Total # Posts: 1,174
is it true or false External motivation is not desirable
Internal motivation is
100.0 g of Potassium Phosphate reacts with 100.0 g of Barium Chloride. Which molecule is completely used up by the reaction? How many grams of the other molecule are left over? When I started with
100.0 g of K... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=JENNY","timestamp":"2014-04-16T05:22:59Z","content_type":null,"content_length":"23726","record_id":"<urn:uuid:c990a266-8885-4c17-86fc-af2c70eee959>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00561-ip-10-147-4-33.ec2.inter... |
Concentration of Gaussian vectors
up vote 3 down vote favorite
If $f: \mathbb{R}^n \to \mathbb{R}$ is a Lipschitz function and $X$ is a standard $n$-dimensional Gaussian vector with $\mathbb{E} f(X) = 0$, then $f(X)$ is subgaussian (in a way that does not depend
on $n$). If $f$ is $\mathcal{C}^1$, this is equivalent to... | {"url":"http://mathoverflow.net/questions/93615/concentration-of-gaussian-vectors","timestamp":"2014-04-21T00:29:04Z","content_type":null,"content_length":"52759","record_id":"<urn:uuid:a6a8493a-44dd-40ad-a520-aed96f8a490d>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00158-ip-10-14... |
Towards an Axiom System for Default Logic
Gerhard Lakemeyer, Hector J. Levesque
Recently, Lakemeyer and Levesque proposed a logic of only-knowing which precisely captures three forms of nonmonotonic reasoning: Moore's Autoepistemic Logic, Konolige's variant based on moderately
grounded expansions, and Reiter's default ... | {"url":"http://aaai.org/Library/AAAI/2006/aaai06-042.php","timestamp":"2014-04-20T06:50:53Z","content_type":null,"content_length":"2941","record_id":"<urn:uuid:12b17908-2778-4a72-beaa-9040c01a40a1>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00305-ip-10-147-4-33.ec2.internal.warc.g... |
Hypertext Help with LaTeX
To get an expression, exp, to appear as a superscript, you just type ^{exp}.
Can be used only in math mode. Thus, for a simple expression that is part of the running text:
x$^3$ is the third power of x
should display as "x^3 is the third power of x". Note that the braces around the argumen... | {"url":"http://www.phy.duke.edu/~rgb/General/latex/ltx-180.html","timestamp":"2014-04-21T15:35:48Z","content_type":null,"content_length":"1554","record_id":"<urn:uuid:9178f71e-a5e1-4ae4-a558-6a42ce29a1e0>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00498-ip-10-147-4-33.ec2.internal... |
Mountlake Terrace Prealgebra Tutors
...In my personal studies I have completed math classes through calculus two. I have completed the WyzAnt geometry qualification quiz. I have privately tutored geometry for several students over
the past 5 years.
4 Subjects: including prealgebra, geometry, algebra 1, algebra 2
... | {"url":"http://www.algebrahelp.com/Mountlake_Terrace_prealgebra_tutors.jsp","timestamp":"2014-04-16T07:15:56Z","content_type":null,"content_length":"25349","record_id":"<urn:uuid:6f3a9bc8-0a12-4e20-b801-77ced10ede07>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00153-ip-10-147-4-33.... |
Attainment of optimal solution in a semiobnoxious location problem
E. Carrizosa, D. Romero Morales
It is known that if the sum of weights in the Weber problem with attraction and repulsion is positive, then the problem attains an optimal solution.
In this note we extend this result to the nonlinear extension of the abo... | {"url":"http://users.ox.ac.uk/~mast0730/abstractATTAIN.htm","timestamp":"2014-04-19T14:33:50Z","content_type":null,"content_length":"1942","record_id":"<urn:uuid:56af96b9-6768-4023-bcce-977af213bb3f>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00333-ip-10-147-4-33.ec2.internal.warc.... |
Kennesaw Algebra 1 Tutor
Find a Kennesaw Algebra 1 Tutor
I am a Georgia Tech Biomedical Engineering graduate and I have been tutoring high school students in the subjects of math and science for the last three years. I love helping students reach their
full potential! I have found that most of the time all a studen... | {"url":"http://www.purplemath.com/Kennesaw_algebra_1_tutors.php","timestamp":"2014-04-17T21:37:34Z","content_type":null,"content_length":"23661","record_id":"<urn:uuid:0bac800e-0681-4e1a-b0fd-fa0a22cff5ce>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00029-ip-10-147-4-33.ec2.interna... |
Random Numbers Randomized
September 20th, 2002, 05:28 AM #1
Join Date
Jan 2002
Random Numbers Randomized (C++ Implementation)
Sometime or the other you need to generate random numbers for your programs as they play a very important role in computer applications, especially in simulations. A particularly use... | {"url":"http://www.antionline.com/showthread.php?233805-Random-Numbers-Randomized&p=572631&mode=threaded","timestamp":"2014-04-17T12:34:35Z","content_type":null,"content_length":"67549","record_id":"<urn:uuid:55d70618-1300-42f3-8545-97efd0e191ae>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-201404... |
Simplifiy this radical
August 12th 2013, 04:38 AM #1
Oct 2011
Simplifiy this radical
$=\sqrt{\frac{2\cdot 2\cdot a\cdot a\cdot a}{9\cdot 3\cdot b\cdot b\cdot b}}$ and I can take the square root of 9.
$=6ab\sqrt{\frac{a}{b}}$ is this correct?
The book I'm working from doesn't have the answers so I'm cros... | {"url":"http://mathhelpforum.com/algebra/221151-simplifiy-radical.html","timestamp":"2014-04-21T02:31:40Z","content_type":null,"content_length":"59675","record_id":"<urn:uuid:bfb47f2b-75a8-4182-8f58-61754c7eb561>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00377-ip-10-147-4-33.ec2.... |
Compute Lie algebra cohomology
up vote 7 down vote favorite
Is there a computer algebra system that is able to compute the Lie algebra cohomology in a given representation?what if the Lie algebra is finite dimensional? In my case I would like to be able to
compute the the cohomology in the following situation: let $\ma... | {"url":"http://mathoverflow.net/questions/43665/compute-lie-algebra-cohomology","timestamp":"2014-04-18T11:11:41Z","content_type":null,"content_length":"63167","record_id":"<urn:uuid:1c630f31-944b-42ff-8b83-2e59fb448b36>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00002-ip-10-147-4... |
Radar Basics - Part 4: Space-time adaptive processing | EE Times
Design How-To
Radar Basics – Part 4: Space-time adaptive processing
In Part 2 of this series on Radar Basics, the use of Doppler processing was discussed as a key method to discriminate both in distance and velocity. Discrimination in direction (or angle ... | {"url":"http://www.eetimes.com/document.asp?doc_id=1278878","timestamp":"2014-04-16T08:23:28Z","content_type":null,"content_length":"156410","record_id":"<urn:uuid:7e63eefd-9fc2-4ab5-8086-c75d9217f25e>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00154-ip-10-147-4-33.ec2.internal.wa... |
hollow sphere moment of inertia
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From Yahoo Answers
Question:HELP!!! What is the linear acceleration of the center of mass of a solid sphere? A solid sphere (radius R, mass M) rolls down an incline as shown in the figure**. Its linear acceleration of
the center of mass is what? **the figu... | {"url":"http://www.edurite.com/kbase/hollow-sphere-moment-of-inertia","timestamp":"2014-04-17T21:31:38Z","content_type":null,"content_length":"71499","record_id":"<urn:uuid:dff83663-c889-44b4-8bdb-cd07568165a5>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00558-ip-10-147-4-33.ec2.in... |
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The generation time G for a particular bacteria is the time it... | {"url":"http://openstudy.com/updates/521b82fce4b0750826dfba04","timestamp":"2014-04-19T22:34:39Z","content_type":null,"content_length":"25746","record_id":"<urn:uuid:510e7542-8c04-4c88-9790-ba26181aa74e>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00484-ip-10-147-4-33.ec2.internal.... |
What is .02 in scientific notation?
Scientific notation is a way of writing numbers that are too big or too small to be conveniently written in decimal form. Scientific notation has a number of useful properties and is commonly used in
calculators and by scientists, mathematicians and engineers.
In scientific notation ... | {"url":"http://answerparty.com/question/answer/what-is-02-in-scientific-notation","timestamp":"2014-04-16T10:10:48Z","content_type":null,"content_length":"20700","record_id":"<urn:uuid:0b248d1b-e6df-4245-881f-50e45af46b7e>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00514-ip-10-147... |
Borsuk-Ulam theorem
Borsuk-Ulam theorem
Theorem: There exists no continuous map $f:S^{{n}}\to S^{{n-1}}$ which is antipode preserving for $n>0$.
Some interesting consequences of this theorem have real-world applications. For example, this theorem implies that at any time there exists antipodal points on the surface of ... | {"url":"http://planetmath.org/borsukulamtheorem","timestamp":"2014-04-17T12:41:52Z","content_type":null,"content_length":"37338","record_id":"<urn:uuid:183dcb6f-40e5-4f4b-9563-611ea63486ac>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00157-ip-10-147-4-33.ec2.internal.warc.gz"} |
not sure which on to choose
June 6th 2008, 03:56 AM #1
Junior Member
May 2008
not sure which on to choose
) A tyre manufacturer claims that his new steel-belted tire has a mean life expectancy of 40,000 miles. A consumer association decides to test these claims against the alternatives that the mean
life ex... | {"url":"http://mathhelpforum.com/statistics/40788-not-sure-choose.html","timestamp":"2014-04-21T04:35:15Z","content_type":null,"content_length":"61801","record_id":"<urn:uuid:0ec045bf-5a5e-4976-a028-39f7e71af11b>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00461-ip-10-147-4-33.ec2.... |
applied logic :: Inductive logic
applied logic
Article Free Pass
Inductive reasoning means reasoning from known particular instances to other instances and to generalizations. These two types of reasoning belong together because the principles governing one
normally determine the principles governing the other. For pre... | {"url":"http://www.britannica.com/EBchecked/topic/30698/applied-logic/283693/Inductive-logic","timestamp":"2014-04-20T21:13:05Z","content_type":null,"content_length":"92378","record_id":"<urn:uuid:4bfe31ee-76f8-495d-ad38-1d9f3d4623c2>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-005... |
Charged Higgs Pair Production in a General Two Higgs Doublet Model at $e^+e^-$ and $\mu^+\mu^-$ Linear Colliders - ILC Document Server
Published Article / hep-ph arXiv:1310.7098
Charged Higgs Pair Production in a General Two Higgs Doublet Model at $e^+e^-$ and $\mu^+\mu^-$ ... | {"url":"http://ilcdoc.linearcollider.org/record/47255","timestamp":"2014-04-19T22:57:11Z","content_type":null,"content_length":"14630","record_id":"<urn:uuid:bfc05d05-e5ab-4534-80ed-e0712f9faa21>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00012-ip-10-147-4-33.ec2.internal.warc.gz"... |
kinetic energy during energy levels
December 27th 2010, 01:12 AM
kinetic energy during energy levels
1. The problem statement, all variables and given/known data
this is a problem that puzzles me. it goes like this:
energy/10?18 J
ionisation level 0.0
level D
level C
level B
ground state... | {"url":"http://mathhelpforum.com/math-topics/166945-kinetic-energy-during-energy-levels-print.html","timestamp":"2014-04-21T16:37:28Z","content_type":null,"content_length":"4100","record_id":"<urn:uuid:8ef02092-73f1-4890-8bce-e33eb5a8b19e>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-2014041600522... |
The n-Category Café
Only had time to very quickly look at this paper. But here is a quick question.
One of the puzzles mentioned in the introduction is that thinking of a kk-fold monoidal rr-catgory as a (k+r)(k+r)-category with all (i≤k)(i \leq k)-morphisms trivial runs us into the problem that
the former gadget see... | {"url":"http://golem.ph.utexas.edu/category/2007/06/degeneracy.html","timestamp":"2014-04-16T15:59:38Z","content_type":null,"content_length":"36500","record_id":"<urn:uuid:ad6ffc64-6f6b-492b-b11b-fee01bab219a>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00590-ip-10-147-4-33.ec2.int... |
[SOLVED] Theoretical Derivation of Benford's Law
May 7th 2010, 08:17 PM
[SOLVED] Theoretical Derivation of Benford's Law
I have a question regarding a theoretical derivation of benford's law, the method used to derive it rests on the invariance of scale, first we transformed the x=1..10 initial domain into the y=
... | {"url":"http://mathhelpforum.com/advanced-statistics/143632-solved-theoretical-derivation-benfords-law-print.html","timestamp":"2014-04-16T11:22:17Z","content_type":null,"content_length":"5736","record_id":"<urn:uuid:e35f7750-a03b-440d-b0dd-c1980183edea>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAI... |
FOM: Length of formalizations
Randy Pollack rap at dcs.ed.ac.uk
Fri Jan 14 10:00:30 EST 2000
The discussion on "Length of formalizations" misses a crucial point.
Mizar supports a complicated linguistic superstructure on top of its
foundational logic. The mathematics that is formalized in Mizar is
expressed in terms of... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2000-January/003574.html","timestamp":"2014-04-21T08:32:45Z","content_type":null,"content_length":"4263","record_id":"<urn:uuid:b77cb43b-4512-48f8-b834-2e7378fa8ae2>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00232-ip-10-147-4-33.ec2.int... |
Statistical Mechanics
Statistical Mechanics 83964
Sylabus:The course is devoted to the study of statistical mechanics and thermodynamics. A basic theory is given. Different examples and problems are presented.
• Lecture 1 Introduction to statistical mechanics. The macroscopic and the microscopic states. Equilibr... | {"url":"http://aph.huji.ac.il/courses/2008_9/83964/index.html","timestamp":"2014-04-21T04:33:32Z","content_type":null,"content_length":"10236","record_id":"<urn:uuid:45d4cb15-ac50-4072-9d8c-dc13b91f8f15>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00278-ip-10-147-4-33.ec2.internal.... |
Math Forum Discussions
- User Profile for: urne_@_lumni.princeton.edu
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User Profile: urne_@_lumni.princeton.edu
User... | {"url":"http://mathforum.org/kb/profile.jspa?userID=41884","timestamp":"2014-04-16T22:29:59Z","content_type":null,"content_length":"11929","record_id":"<urn:uuid:017589ed-da53-4c36-a042-6aa9fae18a8c>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00329-ip-10-147-4-33.ec2.internal.warc.... |
Eastwick, PA Calculus Tutor
Find an Eastwick, PA Calculus Tutor
...I taught Prealgebra with a national tutoring chain for five years. I have taught Prealgebra as a private tutor since 2001. I completed math classes at the university level through advanced
12 Subjects: including calculus, writing, geometry, algebra ... | {"url":"http://www.purplemath.com/Eastwick_PA_calculus_tutors.php","timestamp":"2014-04-17T19:57:25Z","content_type":null,"content_length":"24046","record_id":"<urn:uuid:2662d443-be29-4d95-8b91-5bf9443d7245>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00078-ip-10-147-4-33.ec2.intern... |
Eastchester Statistics Tutor
Find an Eastchester Statistics Tutor
...I can also help you prepare for GRE, GMAT, MCAT, DAT, and PRAXIS tests. For talented 7th and 8th graders I also offer Bergen Academies Entrance Exam Prep. I'm a very dynamic and engaging
instructor who can quickly assess your needs and determine t... | {"url":"http://www.purplemath.com/Eastchester_Statistics_tutors.php","timestamp":"2014-04-19T02:39:44Z","content_type":null,"content_length":"24225","record_id":"<urn:uuid:f7009689-eced-4404-b77e-185d879acd69>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00213-ip-10-147-4-33.ec2.inte... |
Math eBook: Higher Order Derivatives
When more than one derivative is applied to a function, it is consider higher order derivatives. For example, the derivative of y = x^7 is 7x^6. 7x^6 is differentiable and its derivative is 42x^5.
42x^5 is called the second order derivative of y with respect to x for function x^7. R... | {"url":"https://ecourses.ou.edu/cgi-bin/eBook.cgi?topic=ma&chap_sec=03.1&page=theory","timestamp":"2014-04-21T00:35:39Z","content_type":null,"content_length":"13929","record_id":"<urn:uuid:65618688-c1c4-4590-a073-726210e5edd1>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00046-ip-10-... |
math pals at Math Cats
Classes of math pals can agree to write about any math topic, but here are a few ideas to get you started:
* Agree on a math challenge to discuss and solve.
Many possible challenges are archived at the MathMagic area of the Math Forum: www.mathforum.com/mathmagic/
* Trade math story problems:
Eac... | {"url":"http://www.mathcats.com/explore/mathpals.html","timestamp":"2014-04-19T05:16:51Z","content_type":null,"content_length":"12703","record_id":"<urn:uuid:fb324989-4733-493a-86f7-1906ff75b815>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00110-ip-10-147-4-33.ec2.internal.warc.gz"... |
“Charlie would like to pack one less outfit than J
Posted by Anonymous on Saturday, June 11, 2011 at 3:34am.
“Charlie would like to pack one less outfit than Jane for their trip. Loretta would like to bring five outfits less than twice what Jane packs. Due to space in the suitcase, they are limited to a
total of 24 out... | {"url":"http://www.jiskha.com/display.cgi?id=1307777648","timestamp":"2014-04-18T17:27:19Z","content_type":null,"content_length":"9252","record_id":"<urn:uuid:d2441ad1-efc4-4f8f-8268-4145d5c22850>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00620-ip-10-147-4-33.ec2.internal.warc.gz... |
Covariance structure of the Gibbs sampler with applications to the comparisons of estimators and augmentation schemes
Results 1 - 10 of 160
- Journal of the American Statistical Association , 1998
"... A general framework for using Monte Carlo methods in dynamic systems is provided and its wide applications indicated. ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=27840","timestamp":"2014-04-20T10:24:21Z","content_type":null,"content_length":"41973","record_id":"<urn:uuid:d6d83344-d91f-4da2-abf7-9f2a17a959a5>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00416-ip-10-147-4-33.ec2.internal.warc... |
Energy-Balanced Density Control to Avoid Energy Hole for Wireless Sensor Networks
International Journal of Distributed Sensor Networks
Volume 2012 (2012), Article ID 812013, 10 pages
Research Article
Energy-Balanced Density Control to Avoid Energy Hole for Wireless Sensor Networks
^1School of Information Science & Engi... | {"url":"http://www.hindawi.com/journals/ijdsn/2012/812013/","timestamp":"2014-04-20T09:01:41Z","content_type":null,"content_length":"324287","record_id":"<urn:uuid:69b4ae79-dda5-4c9d-8a5d-34df7908055b>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00330-ip-10-147-4-33.ec2.internal.war... |
search results
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1. CMB Online first
Combinatorially Factorizable Cryptic Inverse Semigroups
An inverse semigroup $S$ is combinatorially factorizable if $S=TG$ where $T$ is a combinatorial (i.e., $\mathcal{H}$ is the equality relation) inverse subsemigroup of $S$ and ... | {"url":"http://cms.math.ca/cmb/msc/20","timestamp":"2014-04-18T21:04:46Z","content_type":null,"content_length":"66044","record_id":"<urn:uuid:9800bf95-646f-4890-95ab-eaca563dbc00>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00600-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Singularity Is Here In Chess
March 19, 2012
Chess machines can already beat all humans
Kenneth Regan, the same as our Ken, is besides many things, an international chess master. He combines his strong understanding of theory, of computing, and of chess. This combination is almost
unique in the world and has led him... | {"url":"http://rjlipton.wordpress.com/2012/03/19/the-singularity-is-here-in-chess/","timestamp":"2014-04-16T07:22:30Z","content_type":null,"content_length":"112835","record_id":"<urn:uuid:e7ece158-fee1-4e90-8e7a-5dc78878246d>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00320-ip-10-1... |
A bug or design error that limits a program's capabilities, and which is sufficiently egregious that nobody can quite work up enough nerve to describe it as a feature. Often used (especially by
marketroid types) to make it sound as though some crippling bogosity had been intended by the designers all along, or was forc... | {"url":"http://foldoc.org/restriction","timestamp":"2014-04-17T00:51:45Z","content_type":null,"content_length":"5545","record_id":"<urn:uuid:e7d1d507-4dfe-4ce2-8a4e-77b9220b3515>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00649-ip-10-147-4-33.ec2.internal.warc.gz"} |
Argo, IL Algebra 2 Tutor
Find an Argo, IL Algebra 2 Tutor
...They seem to march on, concerned not with whether they have left you far behind. Rather, I find it much more efficient to aide learning with conversation, marching side by side and never to
lead too far ahead. I do my best to pause and retrace our route s... | {"url":"http://www.purplemath.com/Argo_IL_Algebra_2_tutors.php","timestamp":"2014-04-21T14:54:13Z","content_type":null,"content_length":"23936","record_id":"<urn:uuid:9525b5d9-5e13-497e-ab65-8e3658b1b2f9>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00617-ip-10-147-4-33.ec2.internal... |
Complex modulus of Z[sqrt(-10)]
March 5th 2012, 01:48 AM #1
Junior Member
Mar 2011
Complex modulus of Z[sqrt(-10)]
My lecture notes has the following.
Consider the integral domain $\mathbb{Z}[\sqrt{-10}] = \{ x + y \sqrt{-10} : x,y \in \mathbb{Z} \}$ and the equation
$7 = (x + y\sqrt{-10}) (u + v \sqrt{... | {"url":"http://mathhelpforum.com/number-theory/195617-complex-modulus-z-sqrt-10-a.html","timestamp":"2014-04-20T02:16:33Z","content_type":null,"content_length":"32719","record_id":"<urn:uuid:c8c15ee5-698b-4abb-9706-6dac36d178aa>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00322-ip-... |
12.6.4 Self-labelling
Next: 12.6.5 Global Equivalencing Up: 12.6 Cluster Algorithms for Previous: 12.6.3 Parallel Cluster Algorithms
We shall refer to this algorithm as ``self-labelling,'' since each site figures out which cluster it is in by itself from local information. This method has also been referred to as... | {"url":"http://www.netlib.org/utk/lsi/pcwLSI/text/node294.html","timestamp":"2014-04-19T06:55:02Z","content_type":null,"content_length":"6572","record_id":"<urn:uuid:0ccded82-6102-4220-a8b5-eafc0778a35b>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00408-ip-10-147-4-33.ec2.internal.... |
Topological space - definition and basic concepts - ProvenMath - Apronus.com
TOPOLOGICAL SPACE
Definition T.1 - Topological Space
(X,G) is a topological space if and only if the following conditions hold.
T.1.A0 X, G are sets ... | {"url":"http://www.apronus.com/provenmath/top_space.htm","timestamp":"2014-04-20T13:19:27Z","content_type":null,"content_length":"8184","record_id":"<urn:uuid:dff5e5ff-37a0-41cb-9085-bd17425d9e93>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00502-ip-10-147-4-33.ec2.internal.warc.gz... |
IVRITEX Archives -- November 2009 (#1)
┃ ┃
Date: Thu, 19 Nov 2009 00:02:02 +0200
Reply-To: Hebrew TeX list <[lo... | {"url":"http://listserv.tau.ac.il/cgi-bin/wa?A2=ind0911&L=ivritex&T=0&P=69","timestamp":"2014-04-20T03:12:12Z","content_type":null,"content_length":"12399","record_id":"<urn:uuid:8fbab9b1-8ac3-4802-a8a4-dc0fedf13513>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00543-ip-10-147-4-33.e... |
Adding Electrical Resistance In Series With Bypass Capacitors Using Annular Resistors - Patent 6727780
United States Patent: 6727780
( 1 of 1 )
United States Patent
, et al.
April 27, 2004
Adding electrical resistance in series with bypass capacitors using annular
A method for achieving a desired value ... | {"url":"http://www.docstoc.com/docs/52961906/Adding-Electrical-Resistance-In-Series-With-Bypass-Capacitors-Using-Annular-Resistors---Patent-6727780","timestamp":"2014-04-24T23:32:43Z","content_type":null,"content_length":"164511","record_id":"<urn:uuid:78468aef-9b6f-4df9-a4cd-5422eb1ce15a>","cc-path":"CC-MAIN-2014-15/s... |
Measurement unit conversion: petawatt
›› Measurement unit: petawatt
Full name: petawatt
Plural form: petawatts
Category type: power
Scale factor: 1.0E+15
›› SI unit: watt
The SI derived unit for power is the watt.
1 watt is equal to 1.0E-15 petawatt.
Valid units must be of the power type.
You can use this form to selec... | {"url":"http://www.convertunits.com/info/petawatt","timestamp":"2014-04-20T18:25:05Z","content_type":null,"content_length":"22748","record_id":"<urn:uuid:1dee5699-614e-4136-b890-8a317e8c4a35>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00117-ip-10-147-4-33.ec2.internal.warc.gz"} |
Things visible and invisible
Via Ben Goldacre's MiniBlog, “homeopath adopts victim posture,” I found a posting which links to “Towards a New Model of the Homeopathic Process Based on Quantum Field Theory” by Lionel R. Milgrom,
Forschende Komplementärmedizin 13 (3) 174-183 (2006). This was blogged at the time but I mis... | {"url":"http://shpalman.livejournal.com/2016.html","timestamp":"2014-04-21T14:47:40Z","content_type":null,"content_length":"84989","record_id":"<urn:uuid:a9329002-b868-4fd8-a7ab-47ec97a2a9c7>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00524-ip-10-147-4-33.ec2.internal.warc.gz"} |
The transactional interpretation of quantum mechanics
An entry in Ars Mathematica has alerted me to John Cramer’s Transactional Interpretation of Quantum Mechanics [see also Wikipedia]. It feels exactly right.
The trouble with quantum mechanics has always been that it makes accurate predictions but doesn’t make sense. ... | {"url":"http://nugae.wordpress.com/2007/07/23/the-transactional-interpretation-of-quantum-mechanics/","timestamp":"2014-04-20T18:59:22Z","content_type":null,"content_length":"30600","record_id":"<urn:uuid:e830c24b-3326-43be-8f68-1d90dc512b03>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-2014041600... |
Infimum over all vector-valued L^2 spaces
up vote 5 down vote favorite
Suppose I have a Banach space $E$ (which may be finite dimensional if you wish), a Hilbert space $H$ and a tensor $\tau \in H\otimes E$ in the algebraic tensor product. There are lots of ways to
choose a measure $\mu$ and an isometry (not assumed su... | {"url":"http://mathoverflow.net/questions/66904/infimum-over-all-vector-valued-l2-spaces?sort=votes","timestamp":"2014-04-21T16:06:08Z","content_type":null,"content_length":"53629","record_id":"<urn:uuid:67614f9a-947f-437d-b94b-cd0c145dd6e4>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-201404230320... |
Millbury, MA Calculus Tutor
Find a Millbury, MA Calculus Tutor
...I'm that geeky math-loving girl, that was also a cheerleader, so I pride myself in being smart and fun!! I was an Actuarial Mathematics major at Worcester Polytechnic Institute (WPI), and
worked in the actuarial field for about 3.5 years after colleg... | {"url":"http://www.purplemath.com/Millbury_MA_Calculus_tutors.php","timestamp":"2014-04-18T21:20:04Z","content_type":null,"content_length":"24103","record_id":"<urn:uuid:72a56a76-b343-45d3-af89-aa5cc30edf5a>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00090-ip-10-147-4-33.ec2.intern... |
Common Core Creations
Pin It 3.OA.4 Determine the unknown whole number in a multiplication or division quotation relating three whole numbers. For example, determine the unknown number that makes the equation true in
each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?
Unpacking this standard, I found the following ... | {"url":"http://commoncorecreations.blogspot.com/2012/07/3oa4.html","timestamp":"2014-04-19T07:24:15Z","content_type":null,"content_length":"87312","record_id":"<urn:uuid:dbe2e006-979b-489a-b0be-8b57b19f51ba>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00359-ip-10-147-4-33.ec2.inter... |
Mplus Discussion >> Censored & Nonnormal data
Anonymous posted on Wednesday, September 12, 2001 - 11:53 am
Using Mplus, what is the best way to deal with Censored & Nonnormal data? Do you recommend any estimation method?
I found from a stat book that WLSMV in Mplus is appropriate for nonnormal data. Is it also good for... | {"url":"http://www.statmodel.com/cgi-bin/discus/discus.cgi?pg=next&topic=11&page=143","timestamp":"2014-04-16T19:33:36Z","content_type":null,"content_length":"109399","record_id":"<urn:uuid:d556c6c1-1645-42b9-a622-91a6c2dd88e2>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00085-ip-1... |
[Numpy-discussion] portable doctests despite floating points numbers
Sébastien Barthélemy barthelemy@crans....
Fri Oct 15 03:12:28 CDT 2010
Hello all,
I use doctest for examples and tests in a program which relies heavily on numpy.
As floating point calculations differs slightly across computers
(32/64 bits), I have tr... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-October/053334.html","timestamp":"2014-04-20T09:39:13Z","content_type":null,"content_length":"3317","record_id":"<urn:uuid:ce5b62fc-50eb-4a9b-84d3-4a391c2a4df7>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00340-ip-10-147... |
Measurement is assigning a real number to some physical quantity such as length, width, height, volume, mass, brightness, etc. A physical apparatus suitable for the measurement to be made is used to
make the measurement.
Measurement involves error, so it is appropriate to discuss accuracy and precision at some point.
A... | {"url":"http://www.k12math.com/math-concepts/Measurement.htm","timestamp":"2014-04-19T04:22:58Z","content_type":null,"content_length":"30068","record_id":"<urn:uuid:14199a05-0200-475c-96b8-2a15c9b97a34>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00656-ip-10-147-4-33.ec2.internal.wa... |
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Here's the question you clicked on:
610 – 100 = ?
• one year ago
• one year ago
Your question ... | {"url":"http://openstudy.com/updates/5083eb69e4b0dab2a5ec3400","timestamp":"2014-04-19T07:17:24Z","content_type":null,"content_length":"76427","record_id":"<urn:uuid:2b40b44f-8e26-455c-bca4-215c31a74d3e>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00254-ip-10-147-4-33.ec2.internal.w... |
A number long considered to have strange, mystic properties. A phrase in a book written during the Dark Ages gave rise to the superstition that cats have nine lives. English author and satirist
William Baldwin wrote in his Beware the Cat, "It is permitted for a witch to take her cat's body nine times." There were nine ... | {"url":"http://www.daviddarling.info/encyclopedia/N/nine.html","timestamp":"2014-04-16T07:17:49Z","content_type":null,"content_length":"8202","record_id":"<urn:uuid:7fdf2c06-afa9-4ea8-a4d6-52aff310d9b5>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00241-ip-10-147-4-33.ec2.internal.wa... |
(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs.
R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, a... | {"url":"http://www.r-bloggers.com/2010/05/page/7/","timestamp":"2014-04-16T16:35:46Z","content_type":null,"content_length":"36875","record_id":"<urn:uuid:fb87ecfa-223b-41f3-843f-6cb0a2b93abf>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00312-ip-10-147-4-33.ec2.internal.warc.gz"} |
phi(n) and sigma(n)
Numbers, phi(n) and sigma(n)
phi(n) and sigma(n)
For any positive integer n, the function div(n) is the number of positive divisors of n, including 1 and n.
The function φ(n) is the number of elements relatively prime to n. This is also called the Euler totient function.
The function σ(n) is the sum... | {"url":"http://www.mathreference.com/num,phi.html","timestamp":"2014-04-18T08:44:59Z","content_type":null,"content_length":"5021","record_id":"<urn:uuid:cdd44b3f-50d1-4b8f-af4a-678c36f5ffd2>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00271-ip-10-147-4-33.ec2.internal.warc.gz"} |
multiplication of binary variable and semicontinuous variables
Hi all, I am trying to linearize Xy where X is binary variable and y is a semi-continuous variable. whenever X=0, M<=y<=2M (M is big M), if X=1 then 1<=y<=5. any hint to help me to linearize X*y
would be appreciated.
Thank you Hesam
asked 22 Feb '13, 15... | {"url":"https://www.or-exchange.org/questions/7498/multiplication-of-binary-variable-and-semicontinuous-variables","timestamp":"2014-04-23T12:45:04Z","content_type":null,"content_length":"37829","record_id":"<urn:uuid:550981d6-0662-4b7d-a09e-056fcf4f5532>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MA... |
On time-bounded incompressibility of compressible strings
Edgar G. Daylight, Wouter M. Koolen and Paul M.B. Vitányi
Information Processing Letters 2008.
For every total recursive time bound t, a constant fraction of all compressible (low Kolmogorov complexity) strings is t-bounded incompressible (high time-bounded Kolm... | {"url":"http://eprints.pascal-network.org/archive/00004948/","timestamp":"2014-04-16T07:29:12Z","content_type":null,"content_length":"5500","record_id":"<urn:uuid:1e3590b1-0d86-4430-a5e3-da7fd61bae10>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00049-ip-10-147-4-33.ec2.internal.war... |
[FOM] Harvey's effective number theorists
Timothy Y. Chow tchow at alum.mit.edu
Thu Apr 13 16:49:11 EDT 2006
Gabriel Stolzenberg writes:
> Finally, I'd like to thank Harvey's first unnamed number theorist for
> his comments and invite him to explain what makes the question of
> getting an "effective" version of Fa... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2006-April/010401.html","timestamp":"2014-04-19T11:58:36Z","content_type":null,"content_length":"5397","record_id":"<urn:uuid:2ff402d9-1f39-4e9e-a2d9-3c73ba364d88>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00187-ip-10-147-4-33.ec2.intern... |
MetalTabs.com Forum - A guide to help you set up a Solid State rig
Okay, so I wrote sort of a little guide regarding all this SS head/ohms/cabs/wiring stuff. I certainly didn't know any of this stuff before I decided I wanted a VH140c, and alot of you dudes helped
me out in understanding what the deal is, so for future... | {"url":"http://metaltabs.com/forum/printthread.php?t=36993","timestamp":"2014-04-18T03:15:56Z","content_type":null,"content_length":"21034","record_id":"<urn:uuid:fbf3a128-ff18-47cc-b08a-181141b4f896>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00571-ip-10-147-4-33.ec2.internal.war... |
Mattapan SAT Math Tutor
Find a Mattapan SAT Math Tutor
...I am a second year graduate student at MIT, and bilingual in French and English. I earned my high school diploma from a French high school, as well as a bachelor of science in Computer Science
from West Point. My academic strengths are in mathematics and Fre... | {"url":"http://www.purplemath.com/Mattapan_SAT_math_tutors.php","timestamp":"2014-04-16T22:20:11Z","content_type":null,"content_length":"24069","record_id":"<urn:uuid:a53b52dd-ef53-4e72-9888-6da5d84d325d>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00206-ip-10-147-4-33.ec2.internal.... |
Some myths concerning statistical hypothesis testing
Glen M. Sizemore gmsizemore2 at yahoo.com
Fri Nov 8 10:28:55 EST 2002
RV: Glenn,
your posts are couched in a somewhat hostile manner which does not
encourage others to join in or to ask for clarification.
GS: Not a word about the way Mat treated me? Why? Perhaps I es... | {"url":"http://www.bio.net/bionet/mm/neur-sci/2002-November/052628.html","timestamp":"2014-04-18T22:00:02Z","content_type":null,"content_length":"15456","record_id":"<urn:uuid:d2ce411e-0ea4-43f1-91cf-0c816ef4f34e>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00248-ip-10-147-4-33.ec2.... |
Solving sudoku using PostgreSQL PL/pgSQL
Posted: Wednesday, August 19th, 2009 at 3:09 pm • Updated: Wednesday, August 19th, 2009 at 3:25 pm
I have no idea why I would want to solve sudoku in PostgreSQL PL/pgSQL. My guess would be just for the fun of it. I’m also hoping that it can serve as a tutorial example in program... | {"url":"http://www.microshell.com/database/postgresql/solving-sudoku-using-postgresql-plpgsql/","timestamp":"2014-04-17T06:41:53Z","content_type":null,"content_length":"23906","record_id":"<urn:uuid:dbfce4a3-c0f4-4c8d-bde2-a22c379268c8>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-0... |
Millbury, MA Calculus Tutor
Find a Millbury, MA Calculus Tutor
...I'm that geeky math-loving girl, that was also a cheerleader, so I pride myself in being smart and fun!! I was an Actuarial Mathematics major at Worcester Polytechnic Institute (WPI), and
worked in the actuarial field for about 3.5 years after colleg... | {"url":"http://www.purplemath.com/Millbury_MA_Calculus_tutors.php","timestamp":"2014-04-18T21:20:04Z","content_type":null,"content_length":"24103","record_id":"<urn:uuid:72a56a76-b343-45d3-af89-aa5cc30edf5a>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00090-ip-10-147-4-33.ec2.intern... |
Strange behavior related to value / reference
Terry Reedy tjreedy at udel.edu
Wed Oct 28 04:45:03 CET 2009
Lambda wrote:
> I defined a function to raise a 2x2 matrix to nth power:
There is a much faster way to raise x to a count power n than the
definitional but naive method of multipling 1 by x n times. It is based
on... | {"url":"https://mail.python.org/pipermail/python-list/2009-October/556057.html","timestamp":"2014-04-19T18:47:11Z","content_type":null,"content_length":"3316","record_id":"<urn:uuid:5b48fa20-8c3a-41bc-9271-2e4133e1cded>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00298-ip-10-147-4-... |
The Voltage Divider
If you've ever studied electronics, then you've likely studied and solved the voltage divider equations. Refer to the schematic for the L pad. In class, they probably stacked the resistors
vertically, one above the other. You can analyze this circuit two different ways, getting the same answer at th... | {"url":"http://www.uneeda-audio.com/pads/math.htm","timestamp":"2014-04-18T23:15:08Z","content_type":null,"content_length":"3647","record_id":"<urn:uuid:e85dab22-ae47-43cb-b6fa-75d84f80efbd>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00053-ip-10-147-4-33.ec2.internal.warc.gz"} |
Simple Map Software
I'm about to start a project. This will be a Simple Map Software that shows the map of our campus with a pathfinder that will plot shortest path. I've looked through useful data structures and
eventually found Graph ADT. I'm stucked in choosing which is the best representation for the graph, is an "... | {"url":"http://www.dreamincode.net/forums/topic/294016-poll-graph-implementation-of-a-simple-map-software/","timestamp":"2014-04-19T04:05:19Z","content_type":null,"content_length":"97640","record_id":"<urn:uuid:76bf27d4-747a-4ca2-86f3-0c110dc5dd1e>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140... |
Glenbrook, CT Statistics Tutor
Find a Glenbrook, CT Statistics Tutor
...History, World History, English Literature, English Language, and Statistics. Additionally, I have taken both the ACT and SAT, scores of which can be provided upon request. I have tutored in a
variety of subjects across the board for students r... | {"url":"http://www.purplemath.com/Glenbrook_CT_Statistics_tutors.php","timestamp":"2014-04-20T19:14:00Z","content_type":null,"content_length":"24299","record_id":"<urn:uuid:cd84aa61-03ba-4b77-a935-1cc69dc69a5a>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00551-ip-10-147-4-33.ec2.in... |
Manuscript Submission
Papers will be posted electronically on this site as soon as accepted.
What kind of papers are appropriate for SS?
We publish papers in all areas of statistics: theory, computation, methodology, and applications.
How should papers be written?
Papers should be written in the same style as in typica... | {"url":"http://www.imstat.org/ss/mansub.html","timestamp":"2014-04-18T10:35:43Z","content_type":null,"content_length":"10061","record_id":"<urn:uuid:d916dfa5-3110-4e5e-8fc6-75ef0bdfd3ff>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00605-ip-10-147-4-33.ec2.internal.warc.gz"} |
BANDWIDTH OF AN AMPLIFIER - 14180_55
2-3 Figure 2-1. Frequency response curve of audio amplifier. Notice in the figure that the lower frequency limit is labeled f[1] and the upper frequency limit is
labeled f[2]. Note also the portion inside the frequency-response curve marked "BANDWIDTH." You may be wondering just wh... | {"url":"http://electriciantraining.tpub.com/14180/css/14180_55.htm","timestamp":"2014-04-21T09:38:13Z","content_type":null,"content_length":"29240","record_id":"<urn:uuid:c23bd912-b7a1-40e3-bf67-0b40a29d533d>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00464-ip-10-147-4-33.ec2.inte... |
The Strength of Multilinear Proofs
(Joint work with Ran Raz)
We discuss an algebraic proof system that manipulates multilinear arithmetic formulas. We show this proof system to be fairly strong even when restricted to multilinear arithmetic formulas of a very
small depth. Specifically, algebraic proofs manipulating dep... | {"url":"http://www.newton.ac.uk/programmes/LAA/Abstract4/tzameret.html","timestamp":"2014-04-17T21:37:34Z","content_type":null,"content_length":"2670","record_id":"<urn:uuid:69bee5b1-6d37-4c19-91d6-0e0752c22512>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00179-ip-10-147-4-33.ec2.i... |
Feature Article - Interpreting Time Series Data
(This article was published in the March quarter 2002 issue of Western Australian Statistical Indicators (ABS Catalogue Number 1367.5))
Users of statistics regularly analyse time series data in an attempt to understand real world dynamics. For example, changes in the char... | {"url":"http://www.abs.gov.au/AUSSTATS/abs@.nsf/featurearticlesbyReleaseDate/CFA19371D1BFAB40CA256F2A000FEB10?OpenDocument","timestamp":"2014-04-20T11:55:04Z","content_type":null,"content_length":"85860","record_id":"<urn:uuid:ea400c84-846e-42fd-a1db-d634d5a88010>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/w... |
lowest weight representation of loop groups
up vote 6 down vote favorite
I am trying to understand lowest representations of loop groups as developed in Pressley and Segal's book. Specifically I want to be able to compute the weight spaces that appear in a lowest weight
representation. I realize there is a formula for ... | {"url":"http://mathoverflow.net/questions/63978/lowest-weight-representation-of-loop-groups?sort=oldest","timestamp":"2014-04-18T19:05:51Z","content_type":null,"content_length":"57951","record_id":"<urn:uuid:0d4b989e-0a42-4bdf-a07a-a0911f8bb061>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416... |
Numerical Simulations of Emission and Bistatic Scattering from Soils with Rough Surfaces of Exponential Correlation Functions.
Conference Proceeding
Numerical Simulations of Emission and Bistatic Scattering from Soils with Rough Surfaces of Exponential Correlation Functions.
01/2008; DOI:10.1109/IGARSS.2008.4780041 In ... | {"url":"http://www.researchgate.net/publication/220823477_Numerical_Simulations_of_Emission_and_Bistatic_Scattering_from_Soils_with_Rough_Surfaces_of_Exponential_Correlation_Functions","timestamp":"2014-04-23T10:18:31Z","content_type":null,"content_length":"151567","record_id":"<urn:uuid:b807ca6e-e3c9-40c2-918d-c477941... |
Sampling the energy landscape: thermodynamics and rates
Stationary points of the potential energy surface provide a natural way to coarse-grain calculations of thermodynamics and kinetics, as well as a framework for basin-hopping global optimisation.
Thermodynamic properties can be obtained from samples of local minima... | {"url":"http://www.newton.ac.uk/programmes/SCB/abstract1/wales.html","timestamp":"2014-04-16T11:23:20Z","content_type":null,"content_length":"3232","record_id":"<urn:uuid:a56b7b6b-4a3a-4987-8b3e-4fc93f699a2c>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00470-ip-10-147-4-33.ec2.inte... |
A vending machine randomly dispenses four different types of
Author Message
A vending machine randomly dispenses four different types of [#permalink] 21 Mar 2008, 22:18
... | {"url":"http://gmatclub.com/forum/a-vending-machine-randomly-dispenses-four-different-types-of-61628.html","timestamp":"2014-04-17T07:28:58Z","content_type":null,"content_length":"199370","record_id":"<urn:uuid:37ff5d7b-6785-45d1-a922-3a7db8910550>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-2014... |
Wolfram Demonstrations Project
Stolarsky Approximations to Popular Means
The Stolarsky mean provides approximations to popular means, which shows that it generalizes some of them and that these means are strictly ordered by strict inequality over on .
The Stolarsky mean is is derived from the mean value theorem and its... | {"url":"http://demonstrations.wolfram.com/StolarskyApproximationsToPopularMeans/","timestamp":"2014-04-18T03:01:22Z","content_type":null,"content_length":"45279","record_id":"<urn:uuid:80a38a81-aae7-4807-a72e-3d5aae71ab7c>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00298-ip-10-147... |
Are Christoffel symbols measurable?
Me: "The Rieman tensor already is an observable--masny of its components correspond to the componen6ts of the tidal force."
Ben: "Once you choose a frame, you can measure its components in that frame, which are scalars"
The components of the Riemann tensor are not scalars.
Perhaps yo... | {"url":"http://www.physicsforums.com/showthread.php?p=3768216","timestamp":"2014-04-20T14:24:22Z","content_type":null,"content_length":"78420","record_id":"<urn:uuid:cbf052cc-7c08-41d1-9e11-a6b2338cf893>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00289-ip-10-147-4-33.ec2.internal.... |
Example (from Program LA_HPGVX_EXAMPLE)
Next: LA_SBGV / LA_SBGVD / Up: Generalized Symmetric Eigenvalue Problems Previous: Arguments   Contents   Index
The results below are computed with
Matrices LA_HPGV.
The call:
CALL LA_HPGVX( AP, BP, W, 2, Z= Z, IL=4, IU=5, M= M, &
IFAIL=IFAIL, ABSTOL=1.0E-3_wp )
... | {"url":"http://www.netlib.org/lapack95/lug95/node289.html","timestamp":"2014-04-18T23:34:57Z","content_type":null,"content_length":"7099","record_id":"<urn:uuid:bd58e1ef-c538-4824-96fb-d1cefe9067c3>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00609-ip-10-147-4-33.ec2.internal.warc.... |
Western Illinois University
Western Illinois University: Macomb Campus
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Department of Mathematics
undergraduate research-math 444
Name: Seyfi Turkelli
Interest: Number Theory, Arithmetic Algebraic Geometry
Description: I welcome all the students who enjoy learnin... | {"url":"http://www.wiu.edu/cas/math/academic/ur_turkelli.php","timestamp":"2014-04-17T12:32:25Z","content_type":null,"content_length":"13376","record_id":"<urn:uuid:e6542d8f-1c3c-4947-a973-435a72dcfbcc>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00227-ip-10-147-4-33.ec2.internal.w... |