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Linear transformation
October 10th 2009, 10:30 AM #1
Oct 2009
Hello! I have som problems with this one. maybe someone can help me?
Find the standard matrix for the linear transformation.
T: R^2 --> R^2 dilates a vector by a factor of 3, then reflects that vector about the line y=x, and then projects tha... | {"url":"http://mathhelpforum.com/advanced-algebra/107187-linear-transformation.html","timestamp":"2014-04-20T08:38:54Z","content_type":null,"content_length":"37718","record_id":"<urn:uuid:06a2b632-70ca-45a6-b692-a541c694ff55>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00648-ip-10-1... |
Is the boundary of the orientable manifold orientable?
up vote 1 down vote favorite
For an orientable compact manifold $M$ with boundary, is its boudary orientable as well?
If $M$ is smooth, the conclusion obviously holds. For the general manifold, my plan is to use long exact sequence $H_n(M,\partial M)\rightarrow H_{... | {"url":"http://mathoverflow.net/questions/103582/is-the-boundary-of-the-orientable-manifold-orientable","timestamp":"2014-04-19T18:00:52Z","content_type":null,"content_length":"45539","record_id":"<urn:uuid:eeea6575-b679-41cb-b228-278b3ba40bcb>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416... |
[FOM] Correction to Posting on Kaplan's Sentence
hdeutsch@ilstu.edu hdeutsch at ilstu.edu
Mon May 19 11:21:11 EDT 2008
In a recent posting I mentioned that Kaplan has argued in "A Problem
for Possible Worlds Semantics" that possible worlds semantics is
wanting in that it excludes certain "possibilities." Kaplan works ... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2008-May/012901.html","timestamp":"2014-04-18T04:35:18Z","content_type":null,"content_length":"3833","record_id":"<urn:uuid:eb8c621b-9502-4dd1-876f-0db3075c61be>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00465-ip-10-147-4-33.ec2.interna... |
Mohammad Wajeeh Alomari
Department of Mathematics, Faculty of Science, Jerash University, Jerash, Jordan
Abstract: Several inequalities of Grüss type for the Stieltjes integral with various type of integrand and integrator are introduced. Some improvements inequalities are proved. Applications to the
approximation prob... | {"url":"http://www.emis.de/journals/PIMB/106/12.html","timestamp":"2014-04-21T12:20:06Z","content_type":null,"content_length":"4503","record_id":"<urn:uuid:4f20d6fd-e2a9-498d-87f1-2d286ef74b5d>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00128-ip-10-147-4-33.ec2.internal.warc.gz"} |
Topological Groups
November 8th 2010, 09:32 AM
Topological Groups
Can anybody help me with this question
Given topological groups X and Y and homomorphism f:X->Y, verify the following are equivalent:
(a) f is an open map
(b) for each neighborhood N of e(x), f(N) is a neighborhood of e(y)
(c) for eac... | {"url":"http://mathhelpforum.com/differential-geometry/162553-topological-groups-print.html","timestamp":"2014-04-21T03:08:17Z","content_type":null,"content_length":"5688","record_id":"<urn:uuid:8955bdc2-83cb-42a4-8f65-45db3419d203>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00096... |
Copyright © University of Cambridge. All rights reserved.
'Flexi Quads' printed from http://nrich.maths.org/
Consider a convex quadrilateral $Q$ made from four rigid rods with flexible joints at the vertices so that the shape of $Q$ can be changed while keeping the lengths of the sides constant. Let ${\bf
a}_1$, ${\bf ... | {"url":"http://nrich.maths.org/439/index?nomenu=1","timestamp":"2014-04-20T03:20:31Z","content_type":null,"content_length":"4274","record_id":"<urn:uuid:bb1cf879-bc37-4ecc-bd0c-a097130039cd>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00441-ip-10-147-4-33.ec2.internal.warc.gz"} |
Quotations by
Quotations by Nikolai Ivanovich Lobachevsky
There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world.
Quoted in N Rose Mathematical Maxims and Minims (Raleigh N C 198... | {"url":"http://www-groups.dcs.st-and.ac.uk/~history/Quotations/Lobachevsky.html","timestamp":"2014-04-18T05:35:20Z","content_type":null,"content_length":"1701","record_id":"<urn:uuid:563f0b89-3f77-4d36-9500-66ce50522ee7>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00346-ip-10-147-4... |
math module for Decimals
Steven D'Aprano steve at REMOVE-THIS-cybersource.com.au
Sun Dec 28 07:58:18 CET 2008
On Sat, 27 Dec 2008 16:02:51 -0800, jerry.carl.mi wrote:
> Hi,
> I have been looking for a Python module with math functions that would
> both eat and spit Decimals. The standard math module eats Decimals
> all... | {"url":"https://mail.python.org/pipermail/python-list/2008-December/504373.html","timestamp":"2014-04-19T11:31:26Z","content_type":null,"content_length":"7187","record_id":"<urn:uuid:9e9ae28c-f02e-4329-a0d3-d445b96c514c>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00310-ip-10-147-4... |
Criteria for a map of schemes to be an isomorphism
up vote 5 down vote favorite
Let $ X, Y $ be separated finite type schemes over an algebraically closed field $ k $. Assume that $ Y $ is reduced. Let $ \phi : X \rightarrow Y $ be a morphism of schemes. Suppose that $ \phi $
gives a bijection on $ k $-points and an in... | {"url":"http://mathoverflow.net/questions/37887/criteria-for-a-map-of-schemes-to-be-an-isomorphism","timestamp":"2014-04-18T14:00:25Z","content_type":null,"content_length":"59445","record_id":"<urn:uuid:de8c5487-c490-41b7-a1f9-12d5a7eefa3b>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-201404160052... |
Patent US6807513 - Method for determining a spatial quality index of regionalized data
1. Field of the Invention
The present invention concerns a method for determining a spatial quality index of regionalised data.
It can be applied more particularly, but not exclusively, to geophysical data, image data obtained by phy... | {"url":"http://www.google.ca/patents/US6807513","timestamp":"2014-04-17T07:24:44Z","content_type":null,"content_length":"92536","record_id":"<urn:uuid:532e0a22-d77a-4823-bc7e-76eb215086e7>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00000-ip-10-147-4-33.ec2.internal.warc.gz"} |
Stat 310: Computational Math and Optimization II: Simulation and Optimization
• First Lecture: Feb 9, 2010. Last lecture: Mar 11, 2010.
• Office Hours: Tue-Thu 3-5 pm, Eckhart 120A, or by appointment.
Course Outline
• Special outline page.
1. Homework 1, due 02/18/2010.
□ The code I used. Functions: fenton... | {"url":"http://www.mcs.anl.gov/~anitescu/CLASSES/2009/compmath09.html","timestamp":"2014-04-17T08:50:39Z","content_type":null,"content_length":"9584","record_id":"<urn:uuid:de7104cd-2bea-49b1-801f-81a0d6c95627>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00572-ip-10-147-4-33.ec2.in... |
The Inverse Fundamental Operator Marching Method for Cauchy Problems in Range-Dependent Stratified Waveguides
Mathematical Problems in Engineering
Volume 2011 (2011), Article ID 259479, 15 pages
Research Article
The Inverse Fundamental Operator Marching Method for Cauchy Problems in Range-Dependent Stratified Waveguide... | {"url":"http://www.hindawi.com/journals/mpe/2011/259479/","timestamp":"2014-04-17T06:09:19Z","content_type":null,"content_length":"347928","record_id":"<urn:uuid:95fc1615-9869-4a15-b2f3-7b642dadd4b1>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00598-ip-10-147-4-33.ec2.internal.warc.... |
Newton s second law by Radurod
Given below is a strobe picture of a ball rolling across a table. Strobe pictures reveal the position of the object at regular intervals of time, in this case, once each 0.1 seconds.
Notice that the ball covers an equal distance between flashes. Let's assume this distance equals 20 cm... | {"url":"http://www.studymode.com/essays/Newton's-Second-Law-421874.html","timestamp":"2014-04-16T04:24:58Z","content_type":null,"content_length":"32597","record_id":"<urn:uuid:6926978d-7ba2-4bac-954c-eaddbe0a6239>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00008-ip-10-147-4-33.ec2... |
classical ring of quotients
classical ring of quotients
A ring $Q\supset R$ is a left classical ring of quotients for $R$ (resp. right classical ring of quotients for $R$) if it satisifies:
• every element of $Q$ can be written in the form $x^{{-1}}y$ (resp. $yx^{{-1}}$) with $x,y\in R$ and $x$ regular.
If a ring $R$... | {"url":"http://planetmath.org/ClassicalRingOfQuotients","timestamp":"2014-04-16T16:34:44Z","content_type":null,"content_length":"42753","record_id":"<urn:uuid:725bfc86-6e02-46c7-b49a-9dd68f1e87a7>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00420-ip-10-147-4-33.ec2.internal.warc.gz... |
Multiplication Worksheets
Multiplication Worksheets and Games (Basic Facts)
STW Filing CabinetLogged in members can use the Super Teacher Worksheets filing cabinet to save their favorite worksheets.
Quickly access your most commonly used files AND your custom generated worksheets!
Please login to your account or become... | {"url":"https://www.superteacherworksheets.com/multiplication.html","timestamp":"2014-04-19T19:41:37Z","content_type":null,"content_length":"142737","record_id":"<urn:uuid:db06403c-900f-4cd5-9f93-a429c713f5eb>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00610-ip-10-147-4-33.ec2.inte... |
the encyclopedic entry of spanner-wrench
$frac\left\{dmathbf\left\{L\right\}\right\}\left\{dt\right\}$ $= mathbf\left\{tau\right\}_\left\{tot\right\}$
$= sum_\left\{i\right\} mathbf\left\{tau\right\}_i$
Torque has dimensions of force times dist... | {"url":"http://www.reference.com/browse/spanner-wrench","timestamp":"2014-04-17T04:27:27Z","content_type":null,"content_length":"101337","record_id":"<urn:uuid:5d07c409-8720-48ec-9356-7a13d44e28fd>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00081-ip-10-147-4-33.ec2.internal.warc.g... |
Computational Engineering
AeroAstro Magazine Highlight
The following article appears in the 2005–2006 issue of AeroAstro, the annual report/magazine of the MIT Aeronautics and Astronautics Department. © 2006 Massachusetts Institute of Technology.
Computational engineering is growing, and AeroAstro is in the thick of it... | {"url":"http://web.mit.edu/aeroastro/news/magazine/aeroastro-no3/2006computationalengineering.html","timestamp":"2014-04-17T04:11:45Z","content_type":null,"content_length":"25343","record_id":"<urn:uuid:98d14d07-66ff-4176-9eca-594cb8e42129>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-201404160052... |
Accumulation points, dense set
March 18th 2010, 08:36 PM
Accumulation points, dense set
Let S be contained in $\mathbb{R}$ and let A be the set of accumulation points of S. Prove S is dense in $<br /> \mathbb{R}$ iff. A= $<br /> \mathbb{R}$
March 19th 2010, 06:22 AM
What is your definition of dense? Is it that ... | {"url":"http://mathhelpforum.com/differential-geometry/134529-accumulation-points-dense-set-print.html","timestamp":"2014-04-20T03:22:57Z","content_type":null,"content_length":"5927","record_id":"<urn:uuid:437e7d62-4f04-45fe-8b21-55984e5c8cea>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-201404160... |
Vector Components
A vector is a quantity that has both magnitude and direction. Displacement, velocity, acceleration, and force are the vector quantities that we have discussed thus far in the Physics Classroom
Tutorial. In the first couple of units, all vectors that we discussed were simply directed up, down, left or ... | {"url":"http://www.physicsclassroom.com/Class/vectors/U3l1d.cfm","timestamp":"2014-04-18T10:48:09Z","content_type":null,"content_length":"58407","record_id":"<urn:uuid:66132951-c8b0-414a-8818-6c52e5c9b8b4>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00623-ip-10-147-4-33.ec2.internal... |
[FOM] 303: PA Completeness (restatement)
A.P. Hazen a.hazen at philosophy.unimelb.edu.au
Mon Oct 30 23:09:02 EST 2006
Harvey Friedman has made the interesting conjecture that PA is
complete for arithmètic sentences containing no more than two
quantifiers. If true, I think this would qualify as a SURPRISING
result: mo... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2006-October/011052.html","timestamp":"2014-04-19T14:56:01Z","content_type":null,"content_length":"4076","record_id":"<urn:uuid:7f94aae0-7192-42ee-910e-a01dff8b3460>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00254-ip-10-147-4-33.ec2.inte... |
New Function: genFunction
The function genFunction generates a stand-alone MATLAB^® function for simulating any trained neural network and preparing it for deployment in many scenarios:
● Document the input-output transforms of a neural network used as a calculation template for manual reimplementations of the networ... | {"url":"http://www.mathworks.in/help/nnet/release-notes.html?nocookie=true","timestamp":"2014-04-24T18:55:20Z","content_type":null,"content_length":"155028","record_id":"<urn:uuid:f40ee33a-d1f8-457f-aa19-17a1f2aaeae7>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00341-ip-10-147-4-33... |
Version: 1.0
Type: Full Script
Category: Math Functions
License: GNU General Public License
Description: Like the title says. This script solves problems in Ax + B = C form where you're solving for x. Hope you like it.
# This is a stupid little script I wrote in a few minutes just to see if I could figure it out. #
#... | {"url":"http://www.phpbuilder.com/print/snippet/detail.php?type=snippet&id=1055","timestamp":"2014-04-19T16:28:35Z","content_type":null,"content_length":"3249","record_id":"<urn:uuid:47c76105-8db3-4f07-863a-1a58b1a4ca12>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00156-ip-10-147-4-... |
st: RE: constraints in reg3
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
st: RE: constraints in reg3
From "Neumayer,E" <E.Neumayer@lse.ac.uk>
To <statalist@hsphsun2.harvard.edu>
Subject st: RE: constraints in reg3
Date Wed, 29 Sep 2004 11:33:08 +0100
Hi, this takes up a thread ... | {"url":"http://www.stata.com/statalist/archive/2004-09/msg00693.html","timestamp":"2014-04-17T13:22:07Z","content_type":null,"content_length":"8070","record_id":"<urn:uuid:a001e420-c202-4871-80c2-f6700bf7d7e4>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00655-ip-10-147-4-33.ec2.inte... |
Users' Note
NAG Fortran Library, Mark 19
Cray T3E Single Precision
... | {"url":"http://www.nsc.liu.se/news/un.html","timestamp":"2014-04-20T08:38:52Z","content_type":null,"content_length":"26016","record_id":"<urn:uuid:e947936c-81c5-49ee-9421-72e460342e19>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00011-ip-10-147-4-33.ec2.internal.warc.gz"} |
[Numpy-discussion] numpy reference array
Matt U mpuecker@mit....
Wed Mar 13 08:56:07 CDT 2013
Is it possible to create a numpy array which points to the same data in a
different numpy array (but in different order etc)?
For example:
import numpy as np
a = np.arange(10)
ids = np.array([0,0,5,5,9,9,1,1])
b = a[ids]
a[0] ... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2013-March/065812.html","timestamp":"2014-04-16T05:03:02Z","content_type":null,"content_length":"4221","record_id":"<urn:uuid:ce712c1f-e25d-43bb-b469-889b01ac1bd1>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00366-ip-10-147-4... |
4.1 Isotropy
Isotropy reduces the phase space of general relativity to two-dimensions since, up to SU(2)-gauge freedom, there is only one independent component in an isotropic connection and triad, which is not
already determined by the symmetry. This is analogous to metric variables, where the scale factor The lapse f... | {"url":"http://relativity.livingreviews.org/Articles/lrr-2008-4/articlesu9.html","timestamp":"2014-04-18T00:27:26Z","content_type":null,"content_length":"9677","record_id":"<urn:uuid:17e80065-9409-4f19-a03a-acb99e760479>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00626-ip-10-147-4... |
abstract algebra
there would only be 2 cyclic subgroups of order 10 because non of the subgroups can share an order 10 element because if they did share an element in common, that element would generate both groups,
so the two groups would be the same. So this means that no two cyclic subgroups of order 10 can share an... | {"url":"http://www.physicsforums.com/showthread.php?t=390967","timestamp":"2014-04-19T04:41:07Z","content_type":null,"content_length":"30756","record_id":"<urn:uuid:7fb08ddc-dda8-43a6-a634-5e87592f7719>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00340-ip-10-147-4-33.ec2.internal.w... |
What is a good example of a complete but not model-complete theory, and why?
up vote 7 down vote favorite
The standard examples of complete but not model-complete theories seem to be:
- Dense linear orders with endpoints.
- The full theory $\mathrm{Th}(\mathcal{M})$ of $\mathcal{M}$, where $\mathcal{M} = (\mathbb{N}, >... | {"url":"http://mathoverflow.net/questions/44397/what-is-a-good-example-of-a-complete-but-not-model-complete-theory-and-why?sort=newest","timestamp":"2014-04-18T11:10:38Z","content_type":null,"content_length":"51050","record_id":"<urn:uuid:0a18b02f-94a0-49dd-9cda-542f0c9375ff>","cc-path":"CC-MAIN-2014-15/segments/139760... |
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• one year a... | {"url":"http://openstudy.com/updates/500dfc76e4b0ed432e106984","timestamp":"2014-04-21T12:29:26Z","content_type":null,"content_length":"111816","record_id":"<urn:uuid:f9f174d9-e3dc-45dd-8bf9-53609212b1ce>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00010-ip-10-147-4-33.ec2.internal... |
Guttenberg, NJ Algebra 2 Tutor
Find a Guttenberg, NJ Algebra 2 Tutor
...I have had the opportunity to work with several children with ADD/ADHD over the years as well as other learning and emotional disorders. My strongest attribute in educating children is my
patience. With my 11 years of assistant teaching with el... | {"url":"http://www.purplemath.com/Guttenberg_NJ_Algebra_2_tutors.php","timestamp":"2014-04-19T23:32:15Z","content_type":null,"content_length":"24135","record_id":"<urn:uuid:9cc8bc05-dc8d-45ad-a5c0-1ee0ca5b8175>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00542-ip-10-147-4-33.ec2.in... |
Average Position is a Really Perverse Metric
Posted on Thursday, June 25th, 2009 by Bradd Libby Print This Post
Categories - SEM
Average position is a really perverse metric. Let’s say that I have only 2 keywords in an account, each with one ad: On Day 1, ad #1 is in position 2 and gets 100 impressions per day, while... | {"url":"http://www.thesearchagents.com/2009/06/average-position-is-a-really-perverse-metric/comment-page-1/","timestamp":"2014-04-20T20:58:10Z","content_type":null,"content_length":"65677","record_id":"<urn:uuid:390f6b0d-3511-4f37-b500-9e48048cd6e1>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-201... |
Graph Coloring for Computing Derivatives
This page contains a brief discussion of the background for, the functionalities available in, and the organization of our serial coloring software package ColPack. For a detailed discussion of the
algorithms on which the package relies, consult the Papers page.
Sparse derivativ... | {"url":"http://cscapes.cs.purdue.edu/coloringpage/software.htm","timestamp":"2014-04-21T07:04:10Z","content_type":null,"content_length":"135005","record_id":"<urn:uuid:b7caee0d-2148-4ec9-975a-2a8a3c75dbd0>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00330-ip-10-147-4-33.ec2.interna... |
Integration by parts
September 19th 2008, 10:11 AM #1
Sep 2008
Integration by parts
I'm trying to learn integration by parts and I feel as though I have a grasp on the formula, however the back of the book's answers are disagreeing with mine. I searched online for something to
help teach me how to do this k... | {"url":"http://mathhelpforum.com/calculus/49774-integration-parts.html","timestamp":"2014-04-17T18:27:24Z","content_type":null,"content_length":"36243","record_id":"<urn:uuid:9ad5cdbb-b8de-45f6-8e49-b2d6660088e9>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00528-ip-10-147-4-33.ec2.... |
How to Celebrate Pi Day
Edit Article
Edited by Josh C., Jakeob Vigil, Ben Rubenstein, Jack Herrick and 111 others
Pi is a mathematical constant that is the ratio of a circle's circumference to its diameter, and it is also one of the most revered mathematical constants in the known world.^[1] Pi Day was first
officially... | {"url":"http://www.wikihow.com/Celebrate-Pi-Day","timestamp":"2014-04-19T18:11:35Z","content_type":null,"content_length":"76079","record_id":"<urn:uuid:80f64119-cad8-4a2c-b9ec-f0f089721a2c>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00370-ip-10-147-4-33.ec2.internal.warc.gz"} |
Trying to figure this out?
December 4th 2010, 11:07 AM #1
Jan 2009
Ontario Canada
Trying to figure this out?
We were given 1 example to do math questions. But I don't get how I got the answer.
With with Log and Ln, but in this one it's Ln.
I have to solve for t.
So you have to divide both sides ... | {"url":"http://mathhelpforum.com/pre-calculus/165256-trying-figure-out.html","timestamp":"2014-04-18T06:19:54Z","content_type":null,"content_length":"50225","record_id":"<urn:uuid:0a3565bc-94e9-4672-bccd-c72b34119ddf>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00274-ip-10-147-4-33... |
The VELMOD analysis can tell us which velocity field models - which values of [I], [v], w[LG], and quadrupole parameters - are "better" than others. However, as with maximum likelihood approaches
generally, by itself it cannot tell us which, if any, of these models is an acceptable fit to the data. This is because we d... | {"url":"http://ned.ipac.caltech.edu/level5/March02/Willick/Will5.html","timestamp":"2014-04-16T15:59:34Z","content_type":null,"content_length":"5864","record_id":"<urn:uuid:dfa9baec-a028-4583-91dd-182738b140e2>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00440-ip-10-147-4-33.ec2.in... |
Inner Peace (Through Superior Firepower) – Episode 024
drachefly wrote:
Housellama wrote:Quantum mechanics is just booping weird. It contains contradictions
No, it doesn't. It's a consistent system. If it weren't consistent, it wouldn't even be worth considering.
Well, it depends on what you call "quant... | {"url":"http://www.erfworld.com/forum/viewtopic.php?p=72617","timestamp":"2014-04-16T23:16:47Z","content_type":null,"content_length":"99992","record_id":"<urn:uuid:1d140ca5-83be-4bf1-81c2-e9ef353e1f93>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00280-ip-10-147-4-33.ec2.internal.wa... |
Searching in High-Dimensional Spaces – Index Structures for Improving the Performance of Multimedia Databases
Results 1 - 10 of 180
- ACM COMPUTING SURVEYS , 2008
"... We have witnessed great interest and a wealth of promise in content-based image retrieval as an emerging technology. While the last decade laid foundati... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=129058","timestamp":"2014-04-20T04:58:04Z","content_type":null,"content_length":"41113","record_id":"<urn:uuid:2de1a87b-5d06-4ab8-8be6-9792915df789>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00314-ip-10-147-4-33.ec2.internal.war... |
A Method For Creating A Human-Readable File Size
Brice McIver
August 13, 2012 7:56 am
Recently, I was working on a project in which the users needed to see a list of files available for download. While it wasn’t a specific requirement, I thought it might be helpful to have the file
size appear next to the file name. Th... | {"url":"http://keyholesoftware.com/2012/08/13/a-method-for-creating-a-human-readable-file-size/","timestamp":"2014-04-17T12:49:08Z","content_type":null,"content_length":"66450","record_id":"<urn:uuid:8a34eaa5-ff68-437f-bb26-62b0ba3a7932>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-... |
On the Erdős-Sos conjecture
We investigate a tantalizing problem in extremal graph theory known as the Erdős-Sós conjecture. The Erdős-Sós conjecture states that every simple graph with average degree greater than
k − 2 contains every tree on k vertices as a subgraph (k is a positive integer). We p... | {"url":"http://digitalcommons.uri.edu/dissertations/AAI3277009/","timestamp":"2014-04-16T19:22:19Z","content_type":null,"content_length":"19360","record_id":"<urn:uuid:64be97de-0050-41b5-a62f-cb8019fb9fa4>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00335-ip-10-147-4-33.ec2.interna... |
Re: st: Plotting a Local Polynomial Regression with CIs Accounting for
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Re: st: Plotting a Local Polynomial Regression with CIs Accounting for Clustering
From Maarten buis <maartenbuis@yahoo.co.uk>
To statalist@hsphsun2.harvard.edu
Subje... | {"url":"http://www.stata.com/statalist/archive/2009-12/msg00000.html","timestamp":"2014-04-19T12:05:28Z","content_type":null,"content_length":"7470","record_id":"<urn:uuid:1f5aa2f2-c750-4be4-9dce-b4ffdb1f992e>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00426-ip-10-147-4-33.ec2.int... |
Jamaica Beach, TX ACT Tutor
Find a Jamaica Beach, TX ACT Tutor
...I can guarantee that I will help you get an A in your course or ace that big test you're preparing for. I am a Trinity University graduate and I have over 4 years of tutoring experience. I
really enjoy it and I always receive great feedback from my c... | {"url":"http://www.purplemath.com/Jamaica_Beach_TX_ACT_tutors.php","timestamp":"2014-04-18T23:57:34Z","content_type":null,"content_length":"23915","record_id":"<urn:uuid:0c685ddb-a9d5-4238-92be-b489c23ebe9d>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00072-ip-10-147-4-33.ec2.intern... |
A composite likelihood approach to the analysis of longitudinal clonal data on multitype cellular systems under an age-dependent branching process
A recurrent statistical problem in cell biology is to draw inference about cell kinetics from observations collected at discrete time points. We investigate this problem whe... | {"url":"http://pubmedcentralcanada.ca/pmcc/articles/PMC3006127/?lang=en-ca","timestamp":"2014-04-18T17:31:22Z","content_type":null,"content_length":"166344","record_id":"<urn:uuid:e5a6545e-a9f1-45fc-b51f-457ddd43d644>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00510-ip-10-147-4-33... |
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Energy transfer of highly vibrationally excited naphthalene. II. Vibrational energy dependence and isotope and mass effects
Angular resolved energy transfer probability density functions (double differenti... | {"url":"http://scitation.aip.org/content/aip/journal/jcp/128/12/10.1063/1.2868753","timestamp":"2014-04-17T19:39:38Z","content_type":null,"content_length":"94857","record_id":"<urn:uuid:7f3202ac-4c04-4c10-a16e-57aee2552921>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00385-ip-10-14... |
Highly efficient generation of entangled photon pair by spontaneous parametric downconversion in defective photonic crystals
We study the process of spontaneous parametric downconversion in a one-dimensional defective quadratic nonlinear photonic crystal. It is shown that the strong confinements of both the pump and si... | {"url":"http://www.opticsinfobase.org/josab/abstract.cfm?uri=josab-24-6-1365","timestamp":"2014-04-20T17:22:47Z","content_type":null,"content_length":"166982","record_id":"<urn:uuid:36318042-3179-47e2-958c-32b2757583d8>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00111-ip-10-147-4-... |
Freund, Y. (Y. Freund, M. Kearns, D. Ron, R. Rubinfeld, R. Schapire and L. Sellie) -- Efficient learning of typical finite automata from random walks - 1993
Freund, Y. (N. Cesa-Bianchi, Y. Freund, D. P. Helmbold, D. Haussler, R. E. Schapire and M. K. Warmuth) -- How to use expert advice - 1993
Freund, Y. (Y. Freund... | {"url":"http://www.nzdl.org/gsdlmod?e=d-00000-00---off-0cltbibZz-e--00-1----0-10-0---0---0direct-10---4-------0-1l--11-en-50---20-home---01-3-1-00-0--4--0--0-0-11-10-0utfZz-8-00&a=d&c=cltbib-e&cl=CL2.6.105","timestamp":"2014-04-21T14:55:19Z","content_type":null,"content_length":"17606","record_id":"<urn:uuid:2d6e447f-2... |
Shift all bits to the left
<< has the effect of multiplying a number by a power of two, but is less expensive in computer time.
Name Type Opt Description
initial-value int opt Sets an initial value for the number of bits by which to shift leftward.
bang ... | {"url":"http://cycling74.com/docs/max5/refpages/max-ref/shiftleft.html","timestamp":"2014-04-17T04:30:23Z","content_type":null,"content_length":"3855","record_id":"<urn:uuid:1cd20c8e-456e-4796-b2c0-0c3338a44131>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00444-ip-10-147-4-33.ec2.i... |
Math Forum Discussions
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Topic: Call for Papers: THedu'11 (Post-proceedings)
Replies: 2 Last Post: Sep 18, 2012 2:07 PM
Messages... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2292770&messageID=7560189","timestamp":"2014-04-16T11:27:18Z","content_type":null,"content_length":"24008","record_id":"<urn:uuid:5b30a3f5-8c2f-4d1c-9920-19e4cadd53e9>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00344-ip-10-147-4... |
Write the quadratic function from the table of values
Can some one tell me how to find the vertex and create a "Quadratic function" in "Vertex form" from this table of value :
(-3,-0.5) (-2.5, -3) (-2, -4.5) (-1.5, -5) (-1, -4.5) -0.5, -3) and (0, -0.5)
And after we have a vertex , determine whether it is a max or a mi... | {"url":"http://www.purplemath.com/learning/viewtopic.php?f=9&t=333","timestamp":"2014-04-17T07:22:20Z","content_type":null,"content_length":"26421","record_id":"<urn:uuid:05e983d9-a804-4580-8129-2dc33402ea62>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00186-ip-10-147-4-33.ec2.inte... |
Help with problem in c++ class
Jul 18, 2008
2,763 (1.31/day)
Thanks Received:
South Carolina
Our teacher gave us some problems to work for class but I dont see anywhere in the book that explains these.
Im sure it is something simple that im overlooking because im good in math.
Could someone show... | {"url":"http://www.techpowerup.com/forums/threads/help-with-problem-in-c-class.173451/","timestamp":"2014-04-19T15:25:58Z","content_type":null,"content_length":"81934","record_id":"<urn:uuid:4b085d22-98a8-4cb0-ba91-ecc694ee09e8>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00342-ip-1... |
Probability of detection
Probability of detection
Probability of Detection : The likelihood, expressed as a percentage, that a test method will correctly identify a leaking tank.
The smallest leak (from a storage tank), expressed in terms of gallons- or liters-per-hour, that a test can reliably discern wit... | {"url":"http://en.mimi.hu/environment/probability_of_detection.html","timestamp":"2014-04-18T05:31:33Z","content_type":null,"content_length":"10444","record_id":"<urn:uuid:56fe5cd4-818f-439c-bf3f-09636a477071>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00446-ip-10-147-4-33.ec2.int... |
David Krumm - Publications and Preprints
Publications and Preprints
• Squarefree parts of polynomial values
In preparation.
• Computing points of bounded height in projective space over a number field pdf
• Preperiodic points for quadratic polynomials over quadratic fields pdf
With John Doyle and Xander F... | {"url":"http://www.cmc.edu/pages/faculty/DKrumm/html/publications.html","timestamp":"2014-04-19T12:00:52Z","content_type":null,"content_length":"2408","record_id":"<urn:uuid:415026fa-2b0a-4bdd-aaa9-5f95e152d4ea>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00551-ip-10-147-4-33.ec2.in... |
Newbie combat question
Matrix Games Forums Forums Register Login Photo Gallery Member List Search
... | {"url":"http://www.matrixgames.com/forums/tm.asp?m=2994803","timestamp":"2014-04-19T09:27:09Z","content_type":null,"content_length":"128854","record_id":"<urn:uuid:c282a5a0-dd6d-4a12-ad24-14f923cb01f0>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00452-ip-10-147-4-33.ec2.internal.wa... |
Fractals/Iterations in the complex plane/cremer
• there are Cremer Julia set for quadratic polynomial,
• there are no images of such Julia sets
• a Cremer Julia set has no interior. It contains single or double comb. ^[1] "Objects such as combs (homeomorphs of the
product of a Cantor set and an interval) had been... | {"url":"http://en.m.wikibooks.org/wiki/Fractals/Iterations_in_the_complex_plane/cremer","timestamp":"2014-04-18T06:11:16Z","content_type":null,"content_length":"18904","record_id":"<urn:uuid:5cb41547-fef0-442c-be9f-316afbf5b66e>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00223-ip-... |
Probability you need to know to understand the search engines properly | Distilled
A primer in everything you (n)ever wanted to know about (convergence in) probability
Don’t be scared of the maths in this post. I want to share one of the reasons I enjoyed studied probability at university. It’s an infuriating, beautifu... | {"url":"https://www.distilled.net/blog/seo/probability-you-need-to-know-to-understand-the-search-engines-properly/","timestamp":"2014-04-19T19:36:21Z","content_type":null,"content_length":"77840","record_id":"<urn:uuid:b01f628c-f513-4201-ac2f-cc08eed7293b>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-M... |
[R] Extreme AIC or BIC values in glm(), logistic regression
Gad Abraham gabraham at csse.unimelb.edu.au
Thu Mar 19 01:55:01 CET 2009
Maggie Wang wrote:
> Dear R-users,
> I use glm() to do logistic regression and use stepAIC() to do stepwise model
> selection.
> The common AIC value comes out is about 100, a good fit is... | {"url":"https://stat.ethz.ch/pipermail/r-help/2009-March/192136.html","timestamp":"2014-04-18T23:25:02Z","content_type":null,"content_length":"5593","record_id":"<urn:uuid:af3fabaa-35ac-4e3b-aa68-4935b8907b45>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00165-ip-10-147-4-33.ec2.inte... |
Regression Trend Lines
Regression Trend Lines
Some of the forecast types you can choose are presented below. All of these forecasts are fit to your data using regression analysis.
Linear forecast with confidence limits
n is a user-supplied constant between 0 and 100 defining the confidence interval. For example, a... | {"url":"http://www.vanguardsw.com/dphelp4/dph00108.htm","timestamp":"2014-04-18T13:12:26Z","content_type":null,"content_length":"18390","record_id":"<urn:uuid:be7a7822-65ab-4afb-a992-2a94c5cad9ac>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00206-ip-10-147-4-33.ec2.internal.warc.gz... |
[Numpy-discussion] Index array confusion...
Todd Miller jmiller at stsci.edu
Mon Dec 16 06:57:01 CST 2002
Magnus Lie Hetland wrote:
>Todd Miller <jmiller at stsci.edu>:
>>What I'm saying is that in the future it will work correctly. :)
>OK :)
>>Most likely as you suggest, but I haven't really looked at the code,
>>j... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2002-December/001780.html","timestamp":"2014-04-18T06:27:14Z","content_type":null,"content_length":"4967","record_id":"<urn:uuid:c5c00df3-817d-49ca-b097-d631563341cc>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00206-ip-10-14... |
Quantitative Finance
Quantitative Finance Defined
What is Quantitative Finance?Quantitative Finance, also known as Mathematical Finance, is a complex field of applied mathematics that is primarily concerned with the financial markets. Quantitative
finance possesses a close relationship with financial economics, which i... | {"url":"http://finance.laws.com/quantitative-finance","timestamp":"2014-04-18T05:33:37Z","content_type":null,"content_length":"76756","record_id":"<urn:uuid:6c50d623-5029-4488-90fd-808b62db8117>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00226-ip-10-147-4-33.ec2.internal.warc.gz"} |
dailysudoku.com :: View topic - AICs vs. Forcing Chains
Discussion of Daily Sudoku puzzles
Author Message
daj95376 Posted: Tue Jul 21, 2009 8:26 am Post subject: AICs vs. Forcing Chains ... | {"url":"http://www.dailysudoku.com/sudoku/forums/viewtopic.php?t=3921&view=previous","timestamp":"2014-04-16T07:30:29Z","content_type":null,"content_length":"55476","record_id":"<urn:uuid:632a2acb-0966-4781-ac41-0ae7150d7ab4>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00235-ip-10-... |
Taylor's theorem
September 13th 2010, 02:19 AM #1
Senior Member
Feb 2008
Taylor's theorem
Suppose that $f(x)=\ln (1+x)$
1) Express $f(x)$ in the form $p_1(x)+R_2(x)$, where $p_1$ is the first Taylor polynomial for $f$ about 0 and $R_2$ is the Lagrange formula for the remainder.
$\Longrightarrow p_1(x)=x... | {"url":"http://mathhelpforum.com/calculus/156005-taylor-s-theorem.html","timestamp":"2014-04-17T12:56:13Z","content_type":null,"content_length":"40430","record_id":"<urn:uuid:05f1ed04-8fe5-46a4-8ce5-faafd043cf2b>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00551-ip-10-147-4-33.ec2.... |
Convex polygons
Convex polygons are polygons for which a line segment joining any two points in the interior lies completely within the figure
The word interior is important. You cannot choose one point inside and one point outside the figure
The following figure is convex:
No matter how I choose two points inside this... | {"url":"http://www.basic-mathematics.com/convex-polygons.html","timestamp":"2014-04-17T21:32:36Z","content_type":null,"content_length":"34039","record_id":"<urn:uuid:a03108c6-1758-467d-9dda-bc977c2fc9f0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00239-ip-10-147-4-33.ec2.internal.w... |
Accelerating, Expanding Universe Questions from a Novice
4. Are there any significant consequences between "stretching" and "new" space in terms of what that understanding tells us about the workings of the universe?
Well, first we would have to talk about what we mean by saying "stretching space" or "adding space". Sp... | {"url":"http://www.physicsforums.com/showthread.php?s=59d44b5f1e280168a809032a71406ef5&p=4519776","timestamp":"2014-04-24T17:43:35Z","content_type":null,"content_length":"42649","record_id":"<urn:uuid:cd86fa88-c5e6-478a-b2af-0b52caba5751>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006... |
Rectangle's Dimensions
A rectangle has a perimeter of 23cm. Its area is 33cm². Determine the dimensions of the rectangle. Can anyone help? sat online tutoring
Homertyson... each rectangle has the opp sides equal...in your case let one be x and the other y then what is the perimeter.....it is 2x+2y and it is 23 cm this ... | {"url":"http://mathhelpforum.com/math-topics/214367-rectangle-s-dimensions.html","timestamp":"2014-04-17T04:22:55Z","content_type":null,"content_length":"31069","record_id":"<urn:uuid:4df2c103-0d34-483e-89dd-3cdc2b378cfe>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00529-ip-10-147-... |
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1.Graph the function f(x) = (x + 3)3 by hand and describe the ... | {"url":"http://openstudy.com/updates/4ee43137e4b0a50f5c56b762","timestamp":"2014-04-18T18:41:15Z","content_type":null,"content_length":"53588","record_id":"<urn:uuid:e9f270ed-ed82-4eb4-870d-771f876d3dcb>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00348-ip-10-147-4-33.ec2.internal.w... |
Fundamentals of Heat and Mass Transfer 7th Edition Chapter 13 Solutions | Chegg.com
e) Sphere lying on infinite plate
For spherical surface, the view factor from the surface itself
By using the reciprocity rule, the view factor
Therefore, the view factors are,
f) Hemisphere of diameter D, over a disc of diameter D/2
Fo... | {"url":"http://www.chegg.com/homework-help/fundamentals-of-heat-and-mass-transfer-7th-edition-chapter-13-solutions-9780470501979","timestamp":"2014-04-21T13:29:21Z","content_type":null,"content_length":"81498","record_id":"<urn:uuid:30784029-17ba-496a-b7d0-49f1cde50941>","cc-path":"CC-MAIN-2014-15/segments/139760953977... |
Washington, DC Prealgebra Tutor
Find a Washington, DC Prealgebra Tutor
...As a tutor, my main job isn't to talk, but to listen: I think the real centerpiece is getting my students to explain the material in their own words. Everyone learns differently, and the beauty
of tutoring is that we can adapt our approach on... | {"url":"http://www.purplemath.com/Washington_DC_Prealgebra_tutors.php","timestamp":"2014-04-18T06:12:50Z","content_type":null,"content_length":"24286","record_id":"<urn:uuid:3a995611-f2e5-475b-a8ba-968c710963cb>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00456-ip-10-147-4-33.ec2.i... |
Math Complex Class
Entisoft Tools 2.0 Object Library
Version 2.1 Build 208
... | {"url":"http://www.entisoft.com/ESTools/MathComplex.HTML","timestamp":"2014-04-18T21:28:51Z","content_type":null,"content_length":"11207","record_id":"<urn:uuid:ab51d739-28c8-4e6e-b430-d2dc6a9c1bcb>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00439-ip-10-147-4-33.ec2.internal.warc.g... |
Re: st: Problem with ML estimation
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Re: st: Problem with ML estimation
From "Stas Kolenikov" <skolenik@gmail.com>
To statalist@hsphsun2.harvard.edu
Subject Re: st: Problem with ML estimation
Date Fri, 18 Aug 2006 13:44:17 -0500
Oops, t... | {"url":"http://www.stata.com/statalist/archive/2006-08/msg00481.html","timestamp":"2014-04-17T16:03:31Z","content_type":null,"content_length":"7158","record_id":"<urn:uuid:6d60a5c9-9a85-48b1-81bc-79aa8aff48b4>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00071-ip-10-147-4-33.ec2.int... |
A brief history of problems that ruined my world
Posted by Louis Brandy on 26 July 2009
A different (maybe better) title for this might be: the most frequently banned topics on the internet. Below I present a set of questions that are so counter-intuitive that their very mention can set
off the right audience into a co... | {"url":"http://lbrandy.com/blog/2009/07/a-brief-history-of-problems-that-ruined-my-world/","timestamp":"2014-04-18T15:38:49Z","content_type":null,"content_length":"9636","record_id":"<urn:uuid:5838d475-1cd8-47ff-8061-3de55492cd42>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00253-i... |
Weehawken Precalculus Tutor
Find a Weehawken Precalculus Tutor
...I have tutored high school geometry both privately and for the Princeton Review. I have a bachelor's degree in physics. I have experience tutoring pre-algebra and have a bachelor's degree in
20 Subjects: including precalculus, English, algebra 2, gra... | {"url":"http://www.purplemath.com/weehawken_precalculus_tutors.php","timestamp":"2014-04-19T17:44:44Z","content_type":null,"content_length":"24049","record_id":"<urn:uuid:0689cce2-7bd6-4c5b-bffd-77bb67edd0c5>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00483-ip-10-147-4-33.ec2.inte... |
books on math for grade school children
Mon Jan 21, 2013, 10:08 AM
phantom power (23,714 posts)
books on math for grade school children
I wasn't sure whether to post this question here, or in Parenting, or somewhere else. I decided here, since the audience seemed the most likely to have good leads.
Anyway: my daug... | {"url":"http://www.democraticunderground.com/122814704","timestamp":"2014-04-21T00:30:31Z","content_type":null,"content_length":"52645","record_id":"<urn:uuid:c8038e0a-9e09-474a-95b5-45f4ad6c476f>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00653-ip-10-147-4-33.ec2.internal.warc.gz... |
March 14 - Celebrate Pi Day in Its San Francisco Birthplace
For all of you nerds, pie-in-the-sky dreamers and circular reasoners (and anyone who's been accused of being, or wants to be, any of those), your day has come: Pi Day, on March 14. In 2014, Pi Day
turns 26.
A quick refresher: Pi, the ratio of a circle's circum... | {"url":"http://sanfrancisco.about.com/od/forkids/qt/Celebrate-Pi-Day-In-San-Francisco.htm","timestamp":"2014-04-16T19:10:24Z","content_type":null,"content_length":"39859","record_id":"<urn:uuid:0af3242f-742d-4919-a092-09acba8cfe88>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00560-... |
Lewisville, PA Math Tutor
Find a Lewisville, PA Math Tutor
...I took courses in combinatorics, algorithms, introduction to discrete math, Ramsey theory, integer programming and other miscellaneous discrete math courses. I taught Intro to Discrete
Mathematics at Rochester Institute of Technology. I hold a PhD in Alg... | {"url":"http://www.purplemath.com/lewisville_pa_math_tutors.php","timestamp":"2014-04-20T11:19:29Z","content_type":null,"content_length":"24044","record_id":"<urn:uuid:4e3564fe-1a7b-412d-a09f-54e36dcecb5a>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00013-ip-10-147-4-33.ec2.interna... |
An operation * has 2 possible identity element:which one's the real identity element?
August 24th 2012, 02:32 PM
An operation * has 2 possible identity element:which one's the real identity element?
The rule to find identity element is laid out on Pinter's Abstract Algebra book like this on page 24:
"First solv... | {"url":"http://mathhelpforum.com/advanced-algebra/202514-operation-has-2-possible-identity-element-ones-real-identity-element-print.html","timestamp":"2014-04-19T14:15:10Z","content_type":null,"content_length":"10474","record_id":"<urn:uuid:1f83aefb-ebc0-4382-bcf7-017c60021184>","cc-path":"CC-MAIN-2014-15/segments/1397... |
The potential ability of TC
A*(2)=A x A
examples; 2*(2)=4, 4*(1/2)=2, (4/9)*(1/2)=2/3, 3(4/9)*(1/2)=2, k4*(1/2)=2k
//About the correlativity of energy multiplying phenominon of Tesla Coil and Hutchison effect
//Generally, we make the tank circuit to oscillate cosine-curved electric vibration. In use of Tesla Coil, it i... | {"url":"http://www.geocities.jp/motoki_mimori/hutchison_effect-e.html","timestamp":"2014-04-20T13:20:33Z","content_type":null,"content_length":"57761","record_id":"<urn:uuid:50ca722f-c8c8-4cd7-9b51-6667d1709bdc>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00475-ip-10-147-4-33.ec2.i... |
Advanced Math Is a Challenge. What's Wrong With That?
Dear Extra Credit Readers:
Jerry W. Miller's suggestion ["In the Real World, Advanced Math Doesn't Always Add Up," Oct. 30] that schools might be requiring too much math inspired so many letters that I needed several extra
fingers and toes to count them:
Dear Extra ... | {"url":"http://voices.washingtonpost.com/class-struggle/2008/12/advanced_math_is_a_challenge_w.html","timestamp":"2014-04-21T13:49:29Z","content_type":null,"content_length":"46657","record_id":"<urn:uuid:f81b5cf0-7f2d-4099-b0dc-3f6da96b0bc3>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005... |
[SciPy-user] integrate ODE to steady-state?
Rob Clewley rob.clewley@gmail....
Tue Jun 24 19:55:42 CDT 2008
It somewhat depends on your equations, but in principle you don't need
to actually integrate the ODEs at all. An equilibrium corresponds to
no motion, i.e. when the right-hand sides of all the ODEs are
zero-valued... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2008-June/017339.html","timestamp":"2014-04-18T18:21:57Z","content_type":null,"content_length":"5523","record_id":"<urn:uuid:75a6e218-39d6-4708-9f3b-f57675e89e7b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00272-ip-10-147-4-33.ec2.... |
Angle of Elevation
September 17th 2009, 08:49 AM #1
Junior Member
Aug 2009
Angle of Elevation
A driveway is built on a slant where it rises 3m over a distance of 20m, what is the angle of elevation with the ground?
I'm not sure if the 20m should be the adjacent leg or the hypotenuse.
I would say it's th... | {"url":"http://mathhelpforum.com/trigonometry/102814-angle-elevation.html","timestamp":"2014-04-21T04:47:23Z","content_type":null,"content_length":"39054","record_id":"<urn:uuid:506872db-1811-482c-9cca-078a4ac7f680>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00208-ip-10-147-4-33.e... |
Electricity and its Effects TEST PAPER
CBSE TEST PAPER-01, Class - X Science (Electricity and its Effects)
1. A metallic conductor has loosely bound electrons called free electrons. The metallic conductor is (a) negatively charged
(b) Positively charged
(c) neutral
(d) Either positively charged or negatively charged
3.... | {"url":"http://physicsadda.blogspot.in/2011/05/electricity-and-its-effects-test-paper.html","timestamp":"2014-04-21T14:41:54Z","content_type":null,"content_length":"148269","record_id":"<urn:uuid:7dda90c1-f993-4887-b52d-c56dd04fe962>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-0019... |
Wolfram Demonstrations Project
Numerical Flowers
This generalizes how seeds are distributed on plants such as sunflowers. Starting from the center, each successive seed is a fixed distance from the previous seed and is rotated from the line
connecting the previous two seeds by a constant angle. Using the controls, you ... | {"url":"http://demonstrations.wolfram.com/NumericalFlowers/","timestamp":"2014-04-16T04:36:30Z","content_type":null,"content_length":"42409","record_id":"<urn:uuid:378c7ab7-165e-4eda-9842-1149fe1ac25d>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00478-ip-10-147-4-33.ec2.internal.wa... |
Mathematical Logic
Undergraduate students with no prior classroom instruction in mathematical logic will benefit from this evenhanded multipart text. It begins with an elementary but thorough overview of mathematical
logic of first order. The treatment extends beyond a single method of formulating logic to offer instru... | {"url":"http://store.doverpublications.com/0486425339.html","timestamp":"2014-04-18T10:37:56Z","content_type":null,"content_length":"44244","record_id":"<urn:uuid:544ddde4-a9cc-4fd7-bc52-14c70e692e6a>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00322-ip-10-147-4-33.ec2.internal.war... |
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I need help with problem 4. I'm supposed to use the Poisson Di... | {"url":"http://openstudy.com/updates/51106479e4b09cf125bd6b3d","timestamp":"2014-04-18T00:22:52Z","content_type":null,"content_length":"86701","record_id":"<urn:uuid:de003983-147d-4ebb-86d6-cd7b96cbe76b>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00442-ip-10-147-4-33.ec2.internal.... |
Math Help
January 19th 2014, 05:32 AM #1
Borel set
How does one show the following ( $\mathcal{R}$ denotes the one-dimensional Borel-set):
$\mathcal{R} = \sigma(\mathcal{A})$
with $\mathcal{A}=\{]a,b]|a,b \in \mathbb{Q}, a < b\}\cup {\emptyset}$
I know that $\mathcal{R}= \sigma(\{]a,b]|-\infty<a\leq b<... | {"url":"http://mathhelpforum.com/differential-geometry/225524-borel-set.html","timestamp":"2014-04-16T19:44:52Z","content_type":null,"content_length":"34030","record_id":"<urn:uuid:cf99b594-4c90-42e2-9e9a-c5cb700ad5cc>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00643-ip-10-147-4-33... |
Wolfram Demonstrations Project
Two-Asset Markowitz Feasible Set
Set the "two-asset portfolios allowed" toggle to "yes" to visualize the relationship between risk and expected return for two-asset portfolios, for varying levels of expected return and risk for the
two individual assets, and of the correlation between the... | {"url":"http://demonstrations.wolfram.com/TwoAssetMarkowitzFeasibleSet/","timestamp":"2014-04-21T07:05:16Z","content_type":null,"content_length":"42552","record_id":"<urn:uuid:0928e4f6-5eeb-4c76-bdfd-0ec41b76c7c7>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00429-ip-10-147-4-33.ec2... |
Linear Interpolation FP1 Formula
Re: Linear Interpolation FP1 Formula
Then why is she going, why is she hanging around?
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are con... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=266673","timestamp":"2014-04-19T05:03:10Z","content_type":null,"content_length":"34713","record_id":"<urn:uuid:9e27716d-b299-460d-841d-07557e7a3556>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00413-ip-10-147-4-33.ec2.internal.... |
square root of 2
The square root of 2 has the approximate value 1.41421356 ...
It was the first number shown to be what is now known as an irrational number (a number that can't be written in the form a/b, where both a and b are integers.) This discovery was made by Pythagoras
or, at any rate, by the Pythagorean group ... | {"url":"http://www.daviddarling.info/encyclopedia/S/square_root_of_2.html","timestamp":"2014-04-19T04:20:47Z","content_type":null,"content_length":"8551","record_id":"<urn:uuid:ee227259-b55d-49f0-9313-14c9d8429c67>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00643-ip-10-147-4-33.ec... |
Asymptotics of the n-th prime using the gamma function
up vote 6 down vote favorite
In the paper http://rgmia.org/papers/v8n2/eepnt.pdf, the author proves that proves an explicit inequality on prime numbers using the gamma function and as a corollary, he showed that.
$$ p_n = n \frac{\Gamma'(n)}{\Gamma(n)} + o(n \ln n)... | {"url":"http://mathoverflow.net/questions/98566/asymptotics-of-the-n-th-prime-using-the-gamma-function/98578","timestamp":"2014-04-17T04:09:41Z","content_type":null,"content_length":"53851","record_id":"<urn:uuid:c708ebf7-c173-4967-93f3-eeaca777fb00>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20... |
Actuarial Diversity Scholarship
Scholarship Overview
This scholarship is for students who are pursuing a career in the actuarial profession. To qualify for this scholarship, applicants must have at least one birth parent who is a member of one of the
following minority groups: African American, Hispanic, or American In... | {"url":"http://www.cappex.com/scholarship/listings/Actuarial-Diversity-Scholarship/-s-d-2901/","timestamp":"2014-04-19T02:23:48Z","content_type":null,"content_length":"26017","record_id":"<urn:uuid:36546f17-9923-49f8-8df6-09d370fe41a6>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-006... |
EM algorithm for Bayesian estimation of genomic breeding values
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EM algorithm for Bayesian estimation of genomic breeding values
In genomic selection, a model for prediction of genome-wide breeding... | {"url":"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2845064/?tool=pubmed","timestamp":"2014-04-18T08:57:08Z","content_type":null,"content_length":"111261","record_id":"<urn:uuid:c4ae956c-4177-4e71-b3bd-bb5d48e3cf14>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00149-ip-10-147-4-33.e... |
Motion in a resisting medium
September 17th 2009, 04:47 AM #1
Sep 2009
Motion in a resisting medium
A body of mass m is projected vertically upwards with speed u. Air resistance is equal kv^2. Find the speed when next at the point of projection.
Can you set up the differential equation for the upwards motio... | {"url":"http://mathhelpforum.com/calculus/102784-motion-resisting-medium.html","timestamp":"2014-04-17T15:42:51Z","content_type":null,"content_length":"40705","record_id":"<urn:uuid:9a32b3e9-2036-44d9-b8a3-913bddce2a40>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00373-ip-10-147-4-3... |
Australian Bu
1 When interpreting the results of a survey it is important to take into account factors that may affect the reliability of the estimates. Estimates in this publication are subject to both
non-sampling and sampling errors.
2 Non-sampling errors may arise as a result of errors in the reporting, recording o... | {"url":"http://www.abs.gov.au/ausstats/abs@.nsf/Previousproducts/8158.0Technical%20Note12006-07?opendocument&tabname=Notes&prodno=8158.0&issue=2006-07&num=&view=","timestamp":"2014-04-20T19:50:15Z","content_type":null,"content_length":"32858","record_id":"<urn:uuid:cf2c9438-6b06-483b-8402-8c15fcd8abd8>","cc-path":"CC-M... |
Learning R for Researchers in Psychology
June 6, 2009
By Jeromy Anglim
R is a powerful environment for statistical computing. Here is a selective list of resources on R with an emphasis on resources useful for researchers in psychology.
Psychology specific R resourcesGeneral ResourcesTask Views
R includes many user con... | {"url":"http://www.r-bloggers.com/learning-r-for-researchers-in-psychology/","timestamp":"2014-04-20T03:14:27Z","content_type":null,"content_length":"43537","record_id":"<urn:uuid:3c1c3e13-940c-42c0-a0d4-1569caee9f2a>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00382-ip-10-147-4-33... |
Multiplying and Dividing Rationals - Problem 2
When I assign problems like this in my class, a lot of times students think that they are done in 10 seconds. They say oh! Okay cancel out 5x² and 5x² boom, so the answer is x plus 3 plus 10x. You
guys that’s like the bonehead way to do this. What you need to do when you'r... | {"url":"https://www.brightstorm.com/math/algebra/rational-expressions-and-functions-2/multiplying-and-dividing-rationals-problem-2/","timestamp":"2014-04-20T15:54:16Z","content_type":null,"content_length":"62908","record_id":"<urn:uuid:2fc46782-92c4-409b-a1c9-ed54bb4b428b>","cc-path":"CC-MAIN-2014-15/segments/139822320... |
Finding the velocity function
February 12th 2009, 03:39 PM
Finding the velocity function
I thought acceleration was the change in velocity or in other words the derivative of the velocity function, and thus am trying to solve the problem I've attached keeping this in mind but it's
not working. Any helpful hints... | {"url":"http://mathhelpforum.com/calculus/73368-finding-velocity-function-print.html","timestamp":"2014-04-16T07:44:10Z","content_type":null,"content_length":"10466","record_id":"<urn:uuid:3570c109-8d8a-427a-93f1-7b1fb66ac315>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00225-ip-10... |
Boolean ring, induction
January 19th 2009, 04:23 PM #1
Nov 2008
Boolean ring, induction
A commutative ring $A$ is Boolean if $x^2 = x$ for all $x \in A$.
In a Boolean ring $A$, show that every finitely generated ideal in $A$ is principal.
I am pretty sure this proof is by induction because: $(x,y)=(x-xy+... | {"url":"http://mathhelpforum.com/advanced-algebra/68929-boolean-ring-induction.html","timestamp":"2014-04-16T19:34:31Z","content_type":null,"content_length":"37831","record_id":"<urn:uuid:42fa3536-0a66-4fb1-a67b-e7e30154b9f8>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00468-ip-10-... |
prove that [0,1] is compact?
April 5th 2011, 02:51 AM
prove that [0,1] is compact?
Using Tychonoff's theorem, prove that [0,1] is compact.
Should i present [0,1] as a product of compact spaces? is that possible? if so how can I do it?
any help is appreciated!
April 5th 2011, 06:15 AM
I haven't thought a... | {"url":"http://mathhelpforum.com/differential-geometry/176855-prove-0-1-compact-print.html","timestamp":"2014-04-17T02:54:09Z","content_type":null,"content_length":"19333","record_id":"<urn:uuid:cddc46c8-ffe2-4c8f-ab8d-a3f700874060>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00061-... |
How to Stretch Random Functions: The Security of Protected Counter Sums
Results 1 - 10 of 13
, 2000
"... There is a well-known class of message authentication systems guaranteeing that attackers will have a negligible chance of successfully forging a message. This paper shows how one of these
systems can hash messages ... | {"url":"http://citeseerx.ist.psu.edu/showciting?doi=10.1.1.20.9173","timestamp":"2014-04-18T19:14:47Z","content_type":null,"content_length":"35470","record_id":"<urn:uuid:81686c61-24ee-41aa-b7e6-d90b2676af2b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00290-ip-10-147-4-33.ec2.inter... |
Closest approach of particle problem - Please help!!
1. The problem statement, all variables and given/known data
A proton (q = 1e, m = 1u) and an alpha particle (q = +2e, m = 4u) are fired directly toward each other from far away, each with a speed of 0.01c. What is their distance of closest approach, as
measured betw... | {"url":"http://www.physicsforums.com/showthread.php?t=161767","timestamp":"2014-04-20T18:26:56Z","content_type":null,"content_length":"53911","record_id":"<urn:uuid:7f3c7a7b-bdc8-47ec-89c4-7efcb608e0d8>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00376-ip-10-147-4-33.ec2.internal.w... |
Using factor analysis or principal components analysis or measurement-error models for biological measurements in archaeology? - Statistical Modeling, Causal Inference, and Social Science
Using factor analysis or principal components analysis or measurement-error models for biological measurements in archaeology?
Greg ... | {"url":"http://andrewgelman.com/2011/12/31/using-factor-analysis-or-principal-components-analysis-or-measurement-error-models-for-biological-measurements-in-archaeology/","timestamp":"2014-04-17T04:13:00Z","content_type":null,"content_length":"38637","record_id":"<urn:uuid:6c41873d-800e-4344-bc5d-f3b357db2f3c>","cc-pat... |