content stringlengths 86 994k | meta stringlengths 288 619 |
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the first resource for mathematics
Additive logistic regression: a statistical view of boosting. (With discussion and a rejoinder by the authors).
(English) Zbl 1106.62323
Summary: Boosting is one of the most important recent developments in classification methodology. Boosting works by sequentially applying a classifi... | {"url":"http://zbmath.org/?q=an:1106.62323&format=complete","timestamp":"2014-04-20T03:30:08Z","content_type":null,"content_length":"22383","record_id":"<urn:uuid:564e8883-becf-4335-8f04-a56160c8fc6c>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00179-ip-10-147-4-33.ec2.internal.war... |
Mechanical Engineering 231 > Shrestha > Notes > Homework #2 Solutions | StudyBlue
Simply amazing. The flashcards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness. - Dennis
I have been getting MUCH better grades on all my tests for school. ... | {"url":"http://www.studyblue.com/notes/note/n/homework-2-solutions/file/336152","timestamp":"2014-04-20T16:09:47Z","content_type":null,"content_length":"35131","record_id":"<urn:uuid:85307a47-4ec9-4267-bc3b-af546d780797>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00317-ip-10-147-4... |
The hemocytometer (counting chamber)The hemocytometer (counting chamber) | MicrobeHunter Microscopy Magazine
Purpose of the hemocytometer
The hemocytometer (or haemocytometer or counting chamber) is a specimen slide which is used to determine the concentration of cells in a liquid sample. It is frequently used to deter... | {"url":"http://www.microbehunter.com/the-hemocytometer-counting-chamber/","timestamp":"2014-04-20T11:52:19Z","content_type":null,"content_length":"94310","record_id":"<urn:uuid:6699873a-ccad-4f09-a37b-280c51510a99>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00142-ip-10-147-4-33.ec... |
[SOLVED] Trinomial expansion theorem
September 2nd 2007, 05:54 AM #1
[SOLVED] Trinomial expansion theorem
Binomial expansion theorem is well established, and technique to determine rth term for any binomial expansion function is also known. How to find precisely rth term in a trinomial expansion
function: more ... | {"url":"http://mathhelpforum.com/number-theory/18366-solved-trinomial-expansion-theorem.html","timestamp":"2014-04-18T18:18:11Z","content_type":null,"content_length":"37937","record_id":"<urn:uuid:971926b0-37e4-4d16-9335-9c9aac2de3d7>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-002... |
FOM: Hersh on reproducibility in mathematics & religion
Martin Davis martind at cs.berkeley.edu
Fri Jan 16 01:18:49 EST 1998
At 09:26 AM 1/15/98 -0700, Reuben Hersh wrote:
>As I take it, you say that (1) rabbis and theologians have as much
>consensus as mathematicians, and (2) it makes no senbse to talk
>about reproduc... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1998-January/000792.html","timestamp":"2014-04-20T13:21:15Z","content_type":null,"content_length":"6628","record_id":"<urn:uuid:cdb41f9b-e80e-492a-8d0e-00b8ed1e6ca0>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00232-ip-10-147-4-33.ec2.int... |
Spring 2001
Spring 2007 Name______________________
Physical Science Lab
Centripetal Force
... | {"url":"http://www.moval.edu/Faculty/gaultj/Physical%20Science/Labs/CENTFORC.htm","timestamp":"2014-04-20T21:05:16Z","content_type":null,"content_length":"40095","record_id":"<urn:uuid:722b506e-3479-49b3-aed0-2fb86305853d>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00356-ip-10-147... |
Fangraphs 2011 DL Predictions
J. Zimmerman over at fangraphs has started (yet another) a pretty interesting project... assigning a percentage chance that a given player will see DL time in the following year based on statistical
factors including their age, games started in the past three years, DL trips in the past, e... | {"url":"http://www.fantasybaseballcafe.com/forums/viewtopic.php?t=420262","timestamp":"2014-04-20T19:10:24Z","content_type":null,"content_length":"76852","record_id":"<urn:uuid:c6f0417e-d96d-4420-a172-4b6a68ab8d8b>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00652-ip-10-147-4-33.ec... |
Inequalities between Arithmetic-Geometric, Gini, and Toader Means
Abstract and Applied Analysis
VolumeΒ 2012Β (2012), Article IDΒ 830585, 11 pages
Research Article
Inequalities between Arithmetic-Geometric, Gini, and Toader Means
Department of Mathematics, Huzhou Teachers College, Huzhou 313000, China
Received 24 Augus... | {"url":"http://www.hindawi.com/journals/aaa/2012/830585/","timestamp":"2014-04-21T02:51:07Z","content_type":null,"content_length":"486536","record_id":"<urn:uuid:a9943c21-4f10-4360-aa5a-4350afe8bbfb>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00091-ip-10-147-4-33.ec2.internal.warc... |
Everyone is born with “an affinity for mathematics,” according to EDC’s Wayne Harvey. “But people typically underestimate their mathematical abilities,” he says. What turns many of us off is not
mathematics itself, but what Harvey calls “school mathematics” or “textbook mathematics,” which he feels amounts to little mo... | {"url":"http://www.edc.org/newsroom/articles/real_math","timestamp":"2014-04-17T21:32:14Z","content_type":null,"content_length":"25988","record_id":"<urn:uuid:7e1eadc8-875e-4886-a112-8110b79a829e>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00443-ip-10-147-4-33.ec2.internal.warc.gz"... |
Rank and Nullity of a linear transformation
June 28th 2009, 01:51 PM #1
Mar 2009
Rank and Nullity of a linear transformation
Okay so i have been breaking my head over this for a couple of hours but don't really know if I'm even doing the right thing.
Okay so we are looking at a transformation defined in the... | {"url":"http://mathhelpforum.com/advanced-algebra/93938-rank-nullity-linear-transformation.html","timestamp":"2014-04-17T19:00:59Z","content_type":null,"content_length":"45863","record_id":"<urn:uuid:b37d7878-fcf9-41aa-8fff-8a9e1e8c0b0b>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-0... |
We know that by adding more insulation to a wall always decreases heat transfer. The thicker the insulation, the lower the heat transfer rate. This is expected, since the heat transfer area A is
constant, and adding insulation always increases the thermal resistance of the wall without affecting the convection resi... | {"url":"http://www.cdeep.iitb.ac.in/nptel/Mechanical/Heat%20and%20Mass%20Transfer/Conduction/Module%202/main/2.6.4.html","timestamp":"2014-04-21T15:38:11Z","content_type":null,"content_length":"21985","record_id":"<urn:uuid:8c8cfb30-3af8-409a-a9ee-6d4e66159ebe>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc... |
FOM: Imre Lakatos (Imre Lipschitz)
Julio Gonzalez Cabillon jgc at adinet.com.uy
Sun Dec 14 23:55:03 EST 1997
(I hope this is not a duplicate, my first version disappeared).
Now, with more time, I expand my previous version. It seems that PSU.EDU
eats my mails. Anyhow...
On Sat, 13 Dec 1997, Jeffery Zucke... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1997-December/000518.html","timestamp":"2014-04-16T19:28:24Z","content_type":null,"content_length":"10202","record_id":"<urn:uuid:243c7e65-61a2-4176-8d71-49194594f286>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00176-ip-10-147-4-33.ec2.i... |
Rank of a product of two matrices
November 15th 2008, 05:07 PM #1
Junior Member
Oct 2008
Rank of a product of two matrices
There is a remark my professor made in his notes that I simply can't wrap my head around. He even gave a proof but it made me even more confused. Here it is:
Two matrices:
$A_{mxn},... | {"url":"http://mathhelpforum.com/advanced-algebra/59742-rank-product-two-matrices.html","timestamp":"2014-04-16T18:05:59Z","content_type":null,"content_length":"36025","record_id":"<urn:uuid:ff33d827-1385-410c-b895-42c1cb44c434>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00432-ip-1... |
General CFD FAQ
From CFD-Wiki
(Difference between revisions)
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Line 44: ... | {"url":"http://www.cfd-online.com/W/index.php?title=General_CFD_FAQ&diff=prev&oldid=9134","timestamp":"2014-04-17T21:52:19Z","content_type":null,"content_length":"55320","record_id":"<urn:uuid:57621892-4d80-4ca0-b5ff-19a4bae88703>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00513-i... |
Index Calculus for Abelian Varieties and the Elliptic Curve Discrete Logarithm Problem
Index Calculus for Abelian Varieties and the Elliptic Curve Discrete Logarithm Problem (2004)
Download Links
author = {Pierrick Gaudry},
title = {Index Calculus for Abelian Varieties and the Elliptic Curve Discrete Logarithm Problem}... | {"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.57.8950","timestamp":"2014-04-20T01:07:45Z","content_type":null,"content_length":"27123","record_id":"<urn:uuid:0c78b8c2-308b-4424-a27e-b4897e00b39c>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00561-ip-10-147-4-33.ec2.... |
dailysudoku.com :: View topic - W-wing Meets Coloring: The W-link?
Discussion of Daily Sudoku puzzles
Author Message
keith Posted: Sat Aug 25, 2007 7:49 pm Post subject: W-wing Meets Coloring: The W-link? ... | {"url":"http://www.dailysudoku.com/sudoku/forums/viewtopic.php?t=2041&view=previous","timestamp":"2014-04-20T05:53:42Z","content_type":null,"content_length":"79436","record_id":"<urn:uuid:67b16b2f-19fd-4015-ae99-6ef803dc4c91>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00265-ip-10-... |
Rockrimmon, CO Science Tutor
Find a Rockrimmon, CO Science Tutor
...It's all in the name. Prealgebra is meant to prepare for the study of algebra. It provides the student with the tools they will need in algebra.
16 Subjects: including physics, ACT Science, calculus, statistics
...Then during the later few year... | {"url":"http://www.purplemath.com/rockrimmon_co_science_tutors.php","timestamp":"2014-04-20T06:40:16Z","content_type":null,"content_length":"24191","record_id":"<urn:uuid:9e2bfe28-1e90-43c0-9079-7d01e4b383e6>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00345-ip-10-147-4-33.ec2.inte... |
PCMI @ MathForum 2004: Project Abstract
Park City Mathematics Institute
Project Abstracts
... | {"url":"http://mathforum.org/pcmi/hstp/sum2004/wg/functions/abstract.functions.html","timestamp":"2014-04-16T11:04:52Z","content_type":null,"content_length":"7957","record_id":"<urn:uuid:eb879025-b832-4fb7-9c35-5e8951602828>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00610-ip-10-14... |
Math Forum Discussions
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Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Successive Matrix Midpoint Operations
Replies: 5 Last Post: Mar 21, 2013 5:58 PM
Messages: [ Pre... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8698911","timestamp":"2014-04-16T08:18:15Z","content_type":null,"content_length":"23338","record_id":"<urn:uuid:75cad50a-8f40-4a60-bf81-1e3fa4fe476b>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00058-ip-10-147-4-33.ec2.internal... |
Compass Math Skills - Taking the COMPASS placement test? This guide is specifically for you to prep for the test by focusing on the types of questions that will be asked on the COMPASS.
Prepare to take the COMPASS Math Test for the first time
Math Skills Overview - General math refresher for anyone looking to beef up t... | {"url":"http://www.davenport.edu/print/7120","timestamp":"2014-04-18T08:06:18Z","content_type":null,"content_length":"5294","record_id":"<urn:uuid:af86d1e2-b9e3-4b95-ba1c-42a558bb4636>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00654-ip-10-147-4-33.ec2.internal.warc.gz"} |
How to calculate what percentage of X value is there in the file?
Here is a version where you can Set limits for F1 and F2 on the command line:
awk -vF1=1000 -vF2=5000 'FNR==1 {min=$1}
if($1<min) min=$1
if($1>max) max=$1
END {
printf "Min: %d Max: %d Avg: %d above %d: %d%% above %d: %d%%\n", min, max, sum/NR, F1, th... | {"url":"http://www.unix.com/shell-programming-scripting/210385-how-calculate-what-percentage-x-value-there-file.html","timestamp":"2014-04-16T04:14:18Z","content_type":null,"content_length":"39971","record_id":"<urn:uuid:ead1222f-6ee1-4985-8e9c-0cb16e4f11e7>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC... |
The application of three systems
Three is often the largest number written with as many lines as the number represents. To this day it is written as three vertical lines in Roman and Chinese numerals. This was the way the Indians
wrote it, and as did the Guptas, the Nagaris and the Western Ghubar Arabs before we create... | {"url":"http://business.rediff.com/column/2009/may/18/guest-the-application-of-three-systems.htm","timestamp":"2014-04-19T22:45:21Z","content_type":null,"content_length":"52927","record_id":"<urn:uuid:b0782e25-1ffd-47a3-a1b6-8ec61537490e>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217... |
EMAT 6600
Problem Solving Workshop
Mastery Project
Mathematic... | {"url":"http://jwilson.coe.uga.edu/EMT725/EMT725w.html","timestamp":"2014-04-19T01:51:21Z","content_type":null,"content_length":"192041","record_id":"<urn:uuid:6d420e40-e75c-4ead-ba8f-039b37a7c2ee>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00143-ip-10-147-4-33.ec2.internal.warc.gz... |
OMSI - Explore Technology
Click on the weights to move them ON or OFF the scale. Can you add them up to match what's in the pink box?
If you don't see the activity above, please download the latest Flash Player.
You can do it! Pick a combination of these weig... | {"url":"http://www.omsi.edu/tech/binary.php","timestamp":"2014-04-18T20:59:26Z","content_type":null,"content_length":"22990","record_id":"<urn:uuid:fca69a8f-26fc-41a6-b6a5-c896ccd425e8>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00073-ip-10-147-4-33.ec2.internal.warc.gz"} |
Physics Forums - View Single Post - totally symmetric tensor
I think you can do it if you start with the special cases
[tex] v_{a}t_{aa} = 0 [/tex]
[tex] 2 v_{a}t_{ab} + v_{b}t_{aa}= 0 [/tex]
I don't know--
You're first equation only implies that either v_a or t_aa is 0 for a given a. Using the first one with the seco... | {"url":"http://www.physicsforums.com/showpost.php?p=1464989&postcount=5","timestamp":"2014-04-21T07:17:34Z","content_type":null,"content_length":"7799","record_id":"<urn:uuid:8df1383b-b909-4e40-99a5-38b02815aecf>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00448-ip-10-147-4-33.ec2.i... |
environment (idea)
An environment in
computer science
consists of the following
E = {X,Y,Z,d,l}.
X - the finite set of
Y - the finite set of looks
Z - the not necessary
finite set
of the points of the environment
d - is a
partial function
, d(P,x) where P ∈ Z and x ∈ X returns a new point P´
l - is a function l(P), whi... | {"url":"http://everything2.com/user/PeterPan/writeups/environment","timestamp":"2014-04-18T22:16:53Z","content_type":null,"content_length":"21250","record_id":"<urn:uuid:61131d45-6cf3-48a7-90f8-4168cd67d70e>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00661-ip-10-147-4-33.ec2.intern... |
Circle of Convergence
Power Series, Circle of Convergence
Circle of Convergence
Assume the power series f = a0 + a1z + a2z2 + a3z3 + … converges at the point p, for p ≠ 0. Let t be the norm of p, i.e. the distance from p to the origin, and let r be any radius smaller than t. We
will show the series converges uniformly ... | {"url":"http://www.mathreference.com/cx-pow,circ.html","timestamp":"2014-04-17T10:03:40Z","content_type":null,"content_length":"9200","record_id":"<urn:uuid:6ebc8135-93eb-4286-83aa-0a3909ecf291>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00079-ip-10-147-4-33.ec2.internal.warc.gz"} |
Calculating the distance between two points problem
Join Date
Feb 2009
Rep Power
Hi, this code is supposed to calculate the distance between two points, but I get the following compiler errors and don't know what to do. Any help greatly appreciated. There error seems to
be a type error, ... | {"url":"http://www.java-forums.org/new-java/44060-calculating-distance-between-two-points-problem.html","timestamp":"2014-04-16T15:38:57Z","content_type":null,"content_length":"131973","record_id":"<urn:uuid:c0d87b30-1bd7-4dec-820d-35ccb3aa894f>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416... |
Target Detection Including Rotations
Next: Target Tracking Up: EXPERIMENTS Previous: One Network for Various
Two additional output units for rotations (around the fovea center), one for each of the directions `clockwise' and `counter-clockwise'. Thus the number of
Consider figures 6-9: In the beginning of some traj... | {"url":"http://www.idsia.ch/~juergen/attention/node9.html","timestamp":"2014-04-21T04:33:24Z","content_type":null,"content_length":"5733","record_id":"<urn:uuid:0ddedcf1-df4d-4521-8c59-08f524f35a69>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00068-ip-10-147-4-33.ec2.internal.warc.... |
Got Homework?
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Here's the question you clicked on:
To graph the equation y=1/2x+3 using the slope and y-intercept... | {"url":"http://openstudy.com/updates/4f953c67e4b000ae9ecb2176","timestamp":"2014-04-18T10:42:28Z","content_type":null,"content_length":"32941","record_id":"<urn:uuid:2673e0c5-7931-497e-985f-f4727f9b1d2c>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00044-ip-10-147-4-33.ec2.internal.... |
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Online now
Here's the question you clicked on:
write this as a expression please help. 4 x (x+6)=
• one yea... | {"url":"http://openstudy.com/updates/4fb9b70de4b05565342ea720","timestamp":"2014-04-19T19:42:55Z","content_type":null,"content_length":"60576","record_id":"<urn:uuid:9c4c881c-e740-4797-8a95-d864bb754455>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00457-ip-10-147-4-33.ec2.internal.... |
RECIPROCAL SYSTEM DATABASE Status Report: An Aperiodic Blog
This is the Official Home for Reciprocal System Research on the Web!
Do you have serious doubts about “modern physics”?
Do you question the Big Bang, black holes, worm holes, the nuclear theory of the atom, Quantum Mechanics, neutron stars, quarks?
Do you q... | {"url":"http://transpower.wordpress.com/","timestamp":"2014-04-16T08:01:07Z","content_type":null,"content_length":"68205","record_id":"<urn:uuid:aa643d98-7323-4e5a-ac54-27fb448f669d>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00339-ip-10-147-4-33.ec2.internal.warc.gz"} |
Diagrammatic proof of unique prime decomposition of knots
up vote 7 down vote favorite
Consider a knot to be a diagram in a plane--- i.e. a drawing of a finite connected planar graph (loops and multiple edges allowed) whose vertices are 4-valent with cyclic ordering for the incident
edges of each vertex, two non-consec... | {"url":"http://mathoverflow.net/questions/127509/diagrammatic-proof-of-unique-prime-decomposition-of-knots","timestamp":"2014-04-19T22:48:53Z","content_type":null,"content_length":"63961","record_id":"<urn:uuid:101764dc-9e8b-4e2a-8be5-b3debdcf306f>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-2014... |
Linear transformations
October 12th 2008, 07:09 PM
Linear transformations
1) Verify that the following transformations are linear
a) $T:R^2=>M(2,2)$
$T(x,y)=\begin{pmatrix} 2y & 3x \\ -y & x+2y \end{pmatrix}$
How can I solve?
b) $T:R^2$
Not is Linear transformations:
$f(u+v)=((x1)^2+2x1x2+(x... | {"url":"http://mathhelpforum.com/advanced-algebra/53349-linear-transformations-print.html","timestamp":"2014-04-17T19:54:39Z","content_type":null,"content_length":"11990","record_id":"<urn:uuid:e0768acd-ade6-41ad-ba9a-c2680a318eb9>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00447-... |
Re: Draw curve by giving a mathematical function (feature request)
From: Jeff Schiller <codedread@gmail.com> Date: Mon, 22 Feb 2010 09:01:59 -0600 Message-ID: <da131fde1002220701i6a896dbem99396dd9eb67eb40@mail.gmail.com> To: Tamás Laiszner <laisznertamas@gmail.com>
Cc: www-svg@w3.org
Hi Tamás,
Personally, I think this... | {"url":"http://lists.w3.org/Archives/Public/www-svg/2010Feb/0066.html","timestamp":"2014-04-21T15:17:31Z","content_type":null,"content_length":"10248","record_id":"<urn:uuid:d3bbb869-b3ee-4fb1-8a6c-99c83dc34364>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00508-ip-10-147-4-33.ec2.i... |
Identifying novel constrained elements by exploiting biased substitution patterns
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Bioinformatics. Jun 15, 2009; 25(12): i54–i62.
Identifying novel constrained elements by exploiting biased substit... | {"url":"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687944/?tool=pubmed","timestamp":"2014-04-20T07:07:13Z","content_type":null,"content_length":"117503","record_id":"<urn:uuid:e9d62fdb-17fa-4a6c-864f-de14104805cd>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00646-ip-10-147-4-33.e... |
math glossary
Click on the letter you want to look in
Radicala root sign RadiusHalf the diameter of a circle. The distance between the middle of a circle and the circles surface. Random NumberA number choosed without definite aim, reason... | {"url":"http://www.allmath.com/glossary.php?page=r","timestamp":"2014-04-20T10:46:33Z","content_type":null,"content_length":"19400","record_id":"<urn:uuid:9db1ab58-59bf-4a92-a515-85d13b510346>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00104-ip-10-147-4-33.ec2.internal.warc.gz"} |
Advanced Regulatory Control: Adaption and Feedforward
Encompassing a number of techniques that address specific loop problems and fundamental design techniques, advanced regulatory control can be applied to deal with variable gains, variable operating
conditions, external disturbances, and control loop interaction. Man... | {"url":"http://www.controleng.com/index.php?id=2735&tx_ttnews[tt_news]=11449&cHash=267393","timestamp":"2014-04-20T17:23:41Z","content_type":null,"content_length":"71288","record_id":"<urn:uuid:4dc6ee97-6026-41a1-a576-418768fb0b14>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00301-... |
American Mathematical Society
Bulletin Notices
AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:10:12
Program | Deadlines | Registration/Housing/Etc. | Inquiries: meet@ams.org
2000 Fall Central Section Meeting
Toronto, Ontario Can... | {"url":"http://ams.org/meetings/sectional/2051_progfull.html","timestamp":"2014-04-18T12:11:43Z","content_type":null,"content_length":"140844","record_id":"<urn:uuid:f3cb4968-682b-4ff3-8b73-f636e6de20e1>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00502-ip-10-147-4-33.ec2.internal.... |
Holden, MA Algebra Tutor
Find a Holden, MA Algebra Tutor
...If I am familiar with it, I can teach you. In most cases, if I don't know it, I can teach myself and help you improve. My experience is that learning is both simple and pleasurable when you
approach it with the right mind.
24 Subjects: including algebra ... | {"url":"http://www.purplemath.com/Holden_MA_Algebra_tutors.php","timestamp":"2014-04-17T22:01:39Z","content_type":null,"content_length":"23838","record_id":"<urn:uuid:2c03d432-135b-46f8-beeb-6790f98f73cf>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00162-ip-10-147-4-33.ec2.internal.... |
How many words do you know? | Word Dynamo
Printable Math 8 4th Quarter Vocabulary flash cards
10 words
Created by Kathy
Print Cards Print List Print to
Percent Ratios that compare a number to 100
Percent Change Ratio of the amount of change to the original amount.
Percent Increase Describes how much the original amount... | {"url":"http://dynamo.dictionary.com/258539/math-8-4th-quarter-vocabulary/print","timestamp":"2014-04-21T00:33:11Z","content_type":null,"content_length":"35772","record_id":"<urn:uuid:d007aece-3d5a-466c-8508-171aaa528c6e>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00630-ip-10-147-... |
[Numpy-discussion] reformulating a series of correlations as one fft, ifft pair
[Numpy-discussion] reformulating a series of correlations as one fft, ifft pair
Paul Northug pnorthug@gmail....
Tue Apr 20 20:33:38 CDT 2010
Stéfan van der Walt <stefan <at> sun.ac.za> writes:
> I haven't checked your code in detail, but I'... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-April/050093.html","timestamp":"2014-04-18T11:03:56Z","content_type":null,"content_length":"4357","record_id":"<urn:uuid:fe45b91f-c7cb-4060-b86d-97cf51e71266>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00633-ip-10-147-4... |
Fitness distance correlation as a measure of problem difficulty for genetic algorithms
Results 1 - 10 of 169
, 1996
"... The problem of complex adaptations is studied in two largely disconnected research traditions: evolutionary biology and evolutionary computer science. This paper summarizes the results from both
area... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=92055","timestamp":"2014-04-16T06:21:53Z","content_type":null,"content_length":"39461","record_id":"<urn:uuid:3a7fba39-479d-4233-a1b9-b271343a1896>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00456-ip-10-147-4-33.ec2.internal.warc... |
Prove this identity
November 21st 2010, 04:19 PM
Prove this identity
I'm not sure how to prove these expressions true...the question is:
Prove that each expression is an identity for all values for which it is defined.
$<br /> \frac {sin\theta} {sin\theta+cos\theta} = \frac {tan\theta} {1+tan\theta}<br />$
... | {"url":"http://mathhelpforum.com/trigonometry/164002-prove-identity-print.html","timestamp":"2014-04-20T05:12:01Z","content_type":null,"content_length":"7125","record_id":"<urn:uuid:fd15cbe4-95e8-40cf-a7af-0a0afe206070>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00115-ip-10-147-4-... |
iGate Placement Paper
Model paper of Inetrgraph
NO.of questions 40. Time 45minutes
out of 40 questions 20 from 'c' and 20 from analytical ability,quantitative ability .
also 1 question ___ to draw venn diagram
1 question__ on analogy
1 " _______non verbal reasoning
IGATE Latest Fresher Engineer Placement Sample Questio... | {"url":"http://www.vyomworld.com/placementpapers/iGATE-placement-paper-13.asp","timestamp":"2014-04-16T10:29:10Z","content_type":null,"content_length":"24619","record_id":"<urn:uuid:d7cda289-903d-405f-b004-16bdbb1b521b>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00226-ip-10-147-4-... |
Holden, MA Algebra Tutor
Find a Holden, MA Algebra Tutor
...If I am familiar with it, I can teach you. In most cases, if I don't know it, I can teach myself and help you improve. My experience is that learning is both simple and pleasurable when you
approach it with the right mind.
24 Subjects: including algebra ... | {"url":"http://www.purplemath.com/Holden_MA_Algebra_tutors.php","timestamp":"2014-04-17T22:01:39Z","content_type":null,"content_length":"23838","record_id":"<urn:uuid:2c03d432-135b-46f8-beeb-6790f98f73cf>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00162-ip-10-147-4-33.ec2.internal... |
Standard Deviations
The correct manipulation of standard deviations is an often overlooked skill. When working with data sets it is cruicial that the correct manipluations are applied for the results to be valid.
This page demonstrates several methods for combining standard deviations correctly with some worked example... | {"url":"http://www.larkinweb.co.uk/science/standard_deviations.html","timestamp":"2014-04-19T12:38:51Z","content_type":null,"content_length":"8179","record_id":"<urn:uuid:1334b7c3-9b29-4fc8-a599-1a42478d610f>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00652-ip-10-147-4-33.ec2.inte... |
Louisiana Math Standards - 6th Grade
MathScore EduFighter is one of the best math games on the Internet today. You can start playing for free!
Louisiana Math Standards - 6th Grade
MathScore aligns to the Louisiana Math Standards for 6th Grade. The standards appear below along with the MathScore topics that match. If y... | {"url":"http://www.mathscore.com/math/standards/Louisiana/6th%20Grade/","timestamp":"2014-04-16T19:14:55Z","content_type":null,"content_length":"13842","record_id":"<urn:uuid:c060c9c0-4cdb-487c-9cc1-837bcdd2e302>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00135-ip-10-147-4-33.ec2.i... |
Functions, Graphs, and Limits
Functions are machines. Plug the independent variable into the machine and it spits out the dependent variable.
Sample Problem
If y = f(x) = x + 1, then as x gets larger (moves right), y gets larger also (moves up). As x gets smaller (moves left), y gets smaller also (moves down).
Here's s... | {"url":"http://www.shmoop.com/functions-graphs-limits/intro-functions.html","timestamp":"2014-04-16T22:06:20Z","content_type":null,"content_length":"28758","record_id":"<urn:uuid:ee65a433-78b7-4efa-9ed1-1324fba6eb20>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00228-ip-10-147-4-33.e... |
Recurrences For Harmonic Sums
Let h(n) denote the nth partial sum of the harmonic series, and define
H[k] = h(2^k). It's not hard to show that H[n] approaches a linear
recurring sequence satisfying
H[k] - 2 H[k-1] + H[k-2] = 0
as k increases. The error of this recurrence decreases by a factor of
two... | {"url":"http://mathpages.com/home/kmath137.htm","timestamp":"2014-04-16T10:10:47Z","content_type":null,"content_length":"6060","record_id":"<urn:uuid:069e51a0-e483-4a32-9feb-d1ec7816c709>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00212-ip-10-147-4-33.ec2.internal.warc.gz"} |
Browse by Author
Number of items: 69.
Zhu, S and Wathen, A. J. (2014) Convexity and solvability for compactly supported radial basis functions with different shapes. SISC . (Submitted)
Wathen, A. J. and Zhu, S.-X. (2012) On the spectral distribution of kernel matrices related to
radial basis functions. Numerische Mathe... | {"url":"http://eprints.maths.ox.ac.uk/view/author/Wathen=3AA=2E_J=2E=3A=3A.type.html","timestamp":"2014-04-19T09:25:28Z","content_type":null,"content_length":"34980","record_id":"<urn:uuid:88213a4a-8576-4d92-8be9-ba1d931f595e>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00280-ip-10... |
Calabi-Yau variety
Calabi-Yau variety
An $n$-dimensional Calabi-Yau variety is an $n$-dimensional Kähler manifold with (holomorphically, rather than topologically) trivial canonical bundle. This is equivalent to saying that it is real
Riemannian manifold of even dimension $2 N$ which has special holonomy in the subgrou... | {"url":"http://www.ncatlab.org/nlab/show/Calabi-Yau+variety","timestamp":"2014-04-18T11:26:23Z","content_type":null,"content_length":"25049","record_id":"<urn:uuid:c91f9ee3-7777-4a51-a93d-a182113e2979>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00213-ip-10-147-4-33.ec2.internal.wa... |
General Mathematics
18.01 Calculus
Prereq: None
Units: 5-0-7
Credit cannot also be received for 18.014, 18.01A, CC.181A, ES.1801, ES.181A
URL: http://www-math.mit.edu/18.01/
Lecture: TR11,F2 (E17-139) Recitation: MW2 (E17-139) +final
Differentiation and integration of functions of one variable, with applications. Infor... | {"url":"http://proxy202.appspot.com/student.mit.edu/catalog/m18a.html","timestamp":"2014-04-19T14:32:17Z","content_type":null,"content_length":"159546","record_id":"<urn:uuid:12cff98c-ecd7-4bcf-a248-d0e2b309229f>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00220-ip-10-147-4-33.ec2.i... |
Connes' embedding conjecture for uncountable groups
up vote 12 down vote favorite
In this topic, I will use the word uncountable group referring to groups whose cardinality is $\leq|\mathbb R|$.
Notation: $R$ is the hyperfinite $II_1$-factor, $\omega$ is a free ultrafilter on the natural numbers, $R^\omega$ is the trac... | {"url":"http://mathoverflow.net/questions/80220/connes-embedding-conjecture-for-uncountable-groups?sort=votes","timestamp":"2014-04-20T08:24:12Z","content_type":null,"content_length":"73032","record_id":"<urn:uuid:ffb29bde-9a78-4de3-8257-3d07296db429>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20... |
Sun City, SC Algebra 2 Tutor
Find a Sun City, SC Algebra 2 Tutor
...As a part of my coursework I took classes on teaching phonics to students. I have programs, educational materials, and strategies to help students at any age learn to read through phonics (or
phonemic awareness). I currently teach high school Speci... | {"url":"http://www.purplemath.com/Sun_City_SC_algebra_2_tutors.php","timestamp":"2014-04-20T23:54:58Z","content_type":null,"content_length":"23832","record_id":"<urn:uuid:a2912a4b-e569-4459-870f-a9fa8c3a6a13>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00385-ip-10-147-4-33.ec2.inter... |
Is it possible for a nontrivial category to have a slice classifier?
up vote 7 down vote favorite
The concept of a subobject classifier is of course standard and ubiquitous. But is there any nontrivial example of an unrestricted slice classifier?
Specifically, what I mean by this is, is there any non-preorder category ... | {"url":"http://mathoverflow.net/questions/45731/is-it-possible-for-a-nontrivial-category-to-have-a-slice-classifier?answertab=active","timestamp":"2014-04-18T13:25:56Z","content_type":null,"content_length":"65244","record_id":"<urn:uuid:483a4483-c420-4a0a-ab18-533ea561dbf0>","cc-path":"CC-MAIN-2014-15/segments/13976095... |
Likelihood Ratio Gradient Estimation for Stochastic Systems
P. W. Glynn
Communications of the ACM, Vol. 33, 75-84 (1990)
• G90a.pdf
Consider a computer system having a CPU that feeds jobs to two input/output (I/O) devices having different speeds. Let θ be the fraction of jobs routed to the first I/O device, so that 1... | {"url":"http://www.stanford.edu/~glynn/papers/1990/G90a.html","timestamp":"2014-04-16T19:55:06Z","content_type":null,"content_length":"6535","record_id":"<urn:uuid:5ec6324a-160b-4216-bc7d-728fb326b97a>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00443-ip-10-147-4-33.ec2.internal.wa... |
Fallbrook Geometry Tutor
Find a Fallbrook Geometry Tutor
...And I see it all the time. For example, in summer 2009 I had two Trigonometry students. You'll find that there are a lot of ways to solve Trig problems, some easier than others.
12 Subjects: including geometry, calculus, GRE, algebra 1
...I have taken ... | {"url":"http://www.purplemath.com/Fallbrook_Geometry_tutors.php","timestamp":"2014-04-19T02:24:47Z","content_type":null,"content_length":"23718","record_id":"<urn:uuid:e7eb726a-2409-43c8-bcc4-275eeb29727b>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00197-ip-10-147-4-33.ec2.internal... |
Archimedes and the Area of a Parabolic Segment
Many of his inventions and mathematical discoveries were years ahead of their time. It’s amazing how inventive you become when you are constantly under attack from your enemies.
Finding the area under a curve had been a problem for many years. Fair trade depended (in part)... | {"url":"http://mathtrivia.blogspot.com/2011/08/archimedes-and-area-of-parabolic.html","timestamp":"2014-04-18T03:00:53Z","content_type":null,"content_length":"54944","record_id":"<urn:uuid:35ed788b-d0c1-41cc-981d-533cbc127f53>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00118-ip-10... |
Willowbrook Math Tutor
...I also wrote a study guide covering all the above topics. Used copies of the study guide are still available on amazon.com. In addition I have taking 12 hours of graduate level mathematical
computer science, incuding combinatorics, advanced combinatoric, and graph theory.
24 Subjects: in... | {"url":"http://www.purplemath.com/Willowbrook_Math_tutors.php","timestamp":"2014-04-20T02:01:11Z","content_type":null,"content_length":"23802","record_id":"<urn:uuid:30246277-e13e-4983-8612-a3f8ede287bc>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00176-ip-10-147-4-33.ec2.internal.w... |
Derivation of Formula for Radius of Circumcircle
The formula for the radius of the circle circumscribed about a triangle (circumcircle) is given by
where A[t] is the area of the inscribed triangle.
If you have some questions about the angle θ shown in the figure above, see the relationship between inscribed and ce... | {"url":"http://www.mathalino.com/reviewer/derivation-of-formulas/derivation-of-formula-for-radius-of-circumcircle","timestamp":"2014-04-18T23:16:42Z","content_type":null,"content_length":"47594","record_id":"<urn:uuid:9ad032b4-3190-4e41-a5c2-4360efd29cd5>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAI... |
Continuity and Infinitesimals
1. The word “continuous” derives from a Latin root meaning “to hang together” or “to cohere”; this same root gives us the nouns “continent”—an expanse of land unbroken by sea—and
“continence”—self-restraint in the sense of “holding oneself together”. Synonyms for “continuous” include: conn... | {"url":"http://plato.stanford.edu/entries/continuity/notes.html","timestamp":"2014-04-20T19:19:49Z","content_type":null,"content_length":"26213","record_id":"<urn:uuid:23cbce8f-58d8-4e30-bdd4-25caa6e830f1>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00465-ip-10-147-4-33.ec2.interna... |
Optimization and approximation in deterministic sequencing and scheduling: a survey
Results 1 - 10 of 11
- IEEE TRANSACTIONS ON SYSTEMS, MAN, AND CYBERNETICS-PART B , 1996
"... An analogy with the way ant colonies function has suggested the definition of a new computational paradigm, which we call Ant System. We propos... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2221491","timestamp":"2014-04-17T15:52:54Z","content_type":null,"content_length":"38300","record_id":"<urn:uuid:54d6ff77-b6ea-4b64-b1db-1a8423b3c180>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00478-ip-10-147-4-33.ec2.internal.war... |
Edinburgh LCF: a mechanized logic of computation
Results 1 - 10 of 76
- IN PROC. OF FIFTH SYMP. ON LOGIC IN COMP. SCI , 1990
"... We begin to lay the foundations for reasoning about proofs whose steps include both invocations of programs to build subproofs (tactics) and references to representations of proofs themselve... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=78963","timestamp":"2014-04-19T19:49:21Z","content_type":null,"content_length":"40248","record_id":"<urn:uuid:f3308747-9546-498e-bb5b-59f080a240a5>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00174-ip-10-147-4-33.ec2.internal.warc... |
I’ve been beating the drum for SpiderOak and its generous GB give-aways in the past, and I’m doing so now.
For those not in the know, SpiderOak is a decent alternative to Dropbox. It provides several useful features (some not present in Dropbox):
• SpiderOak Hive: A Dropbox-like folder
• Historical versions: All hi... | {"url":"http://landroni.wordpress.com/","timestamp":"2014-04-18T05:30:06Z","content_type":null,"content_length":"41818","record_id":"<urn:uuid:f4211637-4626-439b-8d39-feddc5bf458d>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00589-ip-10-147-4-33.ec2.internal.warc.gz"} |
Math Forum:NCTM 2005:Finding Resources
Frustrated by Searching the Internet for Education Resources? We Can Help!
NCTM Anaheim, April 7, 2005
Steve Risberg and Claire Mead, the Math Forum @ Drexel
riz@mathforum.org, claire@mathforum.org
As math educators, th... | {"url":"http://mathforum.org/workshops/nctm2005/effectivesearching/agenda.html","timestamp":"2014-04-19T17:14:55Z","content_type":null,"content_length":"2744","record_id":"<urn:uuid:3629f00b-c54c-4624-b1fd-321cdc05ae95>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00315-ip-10-147-4-... |
Solids of Revolution: Washer or Shell Method?
May 4th 2011, 05:38 AM
Solids of Revolution: Washer or Shell Method?
Hello everyone. I have a general question in regards to the washer and shell method. When and how do I know when to use either one? I know HOW to use them - I just need to know when to determine
wh... | {"url":"http://mathhelpforum.com/calculus/179497-solids-revolution-washer-shell-method-print.html","timestamp":"2014-04-18T13:59:55Z","content_type":null,"content_length":"9272","record_id":"<urn:uuid:b7ff6526-28d7-4ceb-b466-6805d2112264>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213... |
Resistive DAC and op amp form hybrid divider
A resistive DAC in a resistive-feedback loop of an op amp lets you create an analog-digital-analog divider. The resistance, R[WA], between the W and A terminals of the Analog Devices AD5293 (Figure 1
) decreases linearly with increasing the digital-control data, D:
and the v... | {"url":"http://www.edn.com/design/analog/4312545/Resistive-DAC-and-op-amp-form-hybrid-divider","timestamp":"2014-04-18T13:18:52Z","content_type":null,"content_length":"63890","record_id":"<urn:uuid:fcf26ac5-ab72-4d3f-afb3-4175229f641d>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00... |
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Each of the blocks shown in figure has mass 1kg.The rear block... | {"url":"http://openstudy.com/updates/50b4e9c6e4b0a5a78e15cb03","timestamp":"2014-04-17T03:56:34Z","content_type":null,"content_length":"146148","record_id":"<urn:uuid:77a77e97-8dfe-460d-82c2-a4a198a2011e>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00385-ip-10-147-4-33.ec2.internal... |
1.4815064 ounces equals how many cups
You asked:
1.4815064 ounces equals how many cups
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Intuitionistic quantum logic of an n-level system
Caspers, Martijn and Heunen, Chris and Landsman, Nicolaas P. and Spitters, Bas (2009) Intuitionistic quantum logic of an n-level system. [Preprint]
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A decade ago, Isham and Butterfield proposed a topos theoretic approach to quantum mechanics,... | {"url":"http://philsci-archive.pitt.edu/4462/","timestamp":"2014-04-19T19:41:37Z","content_type":null,"content_length":"31192","record_id":"<urn:uuid:58fabbf9-85e7-4fee-b51a-8a236c1b9263>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00217-ip-10-147-4-33.ec2.internal.warc.gz"} |
Exton ACT Tutor
...I hold a PhD in Algorithms, Combinatorics and Optimization. I have 14 years' experience as a practicing actuary. I am a Fellow of the Society of Actuaries, having completed the actuarial exam
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Necessary and/or Sufficient
Date: 05/26/2002 at 09:13:35
From: Adeel
Subject: logic
What do we mean by 'necessary condition' and 'sufficient condition'
(and sometimes we call a condition both 'necessary and sufficient')? I
am very much confused. Help!
Date: 05/28/2002 at 09:15:25
From: Doctor Peterson
Subject: Re: logi... | {"url":"http://mathforum.org/library/drmath/view/60701.html","timestamp":"2014-04-19T00:20:21Z","content_type":null,"content_length":"7571","record_id":"<urn:uuid:9fdca04f-ddf2-4d32-ac15-6f84212174d7>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00289-ip-10-147-4-33.ec2.internal.warc... |
First Schrödinger equation
[3. Schrödinger equations.]
First Schrödinger equation.
Let u be a given classical mechanical quantity; let u[op] the quantum operator associated to u; the first Schrödinger equation for u is
For example, if u = E then the first Schrödinger equation for the energy E is
In the first Schrödinge... | {"url":"http://www.murzim.net/QM/QM11.html","timestamp":"2014-04-19T01:47:35Z","content_type":null,"content_length":"7168","record_id":"<urn:uuid:79f52d65-1be1-4429-9bb6-226ebbe01a9e>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00230-ip-10-147-4-33.ec2.internal.warc.gz"} |
Polygonal Tessellation Exercises
From EscherMath
1. Find all areas of Metamorphosis III which have purely geometric tessellations. Describe each such tessellation, and describe what comes before and after it in the print.
2. Describe what's going on in Verbum. How does Escher use black and white in this print? The se... | {"url":"http://euler.slu.edu/escher/index.php/Polygonal_Tessellation_Exercises","timestamp":"2014-04-21T10:38:18Z","content_type":null,"content_length":"25775","record_id":"<urn:uuid:8823ad2d-1c47-4765-aec9-2ee486ff87ea>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00008-ip-10-147-4... |
Latest answer by
Davis P.
Duluth, GA
cant fond none please help
Top voted answer by
Brian W.
East Troy, WI
I need to find Techniques Employed on the article http://www.theonion.com/articles/american-airlines-now-charging-fees-to-nonpassenge,2614/?ref=auto
Answered by
Lisa I.
Chicago, IL
Answer this question step by ste... | {"url":"http://www.wyzant.com/resources/answers/users/view/6610739","timestamp":"2014-04-17T22:31:03Z","content_type":null,"content_length":"46695","record_id":"<urn:uuid:48ee1734-59e6-4c7e-99e9-e09c8290ce95>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00604-ip-10-147-4-33.ec2.inte... |
Sudbury Algebra 2 Tutor
Find a Sudbury Algebra 2 Tutor
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Hi can anyone help me please. A cage of mass 2 tonne is to be ... | {"url":"http://openstudy.com/updates/52e58ce8e4b096fa405a1a9a","timestamp":"2014-04-17T12:46:41Z","content_type":null,"content_length":"25922","record_id":"<urn:uuid:74730717-9e8a-4a26-a6cb-5fc93275b720>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00531-ip-10-147-4-33.ec2.internal.w... |
Teaching with Math Games - Is it legal to make math this much fun?
Math Games – Is it legal to make math this much fun?
Math Games
Relief Teaching with 41 Math Games will keep your kids enthralled – and learning. You can just get a coffee and watch learning explode with these math games. 41 Math Games cater for all ag... | {"url":"http://www.reliefteaching.com/teaching-math-games/","timestamp":"2014-04-18T08:04:30Z","content_type":null,"content_length":"47953","record_id":"<urn:uuid:ebb3dd82-9381-4868-bc38-9671c4b0b248>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00345-ip-10-147-4-33.ec2.internal.warc... |
Mathematical And Physical Papers - Iii
226 ^ON THE CONDUCTION OF HEAT IN CRYSTALS.
Taking polar coordinates r, 0 in the plane of f', 17', we have
(sin 0 + co cos 0) (cos 9dr- sin 0 rd0)
= (cos 0 — o) sin 0) (sin 8 dr + cos 0 rcZ0);
whence codr^rdO ........................ (2... | {"url":"http://archive.org/stream/MathematicalAndPhysicalPapersIii/TXT/00000233.txt","timestamp":"2014-04-18T04:12:37Z","content_type":null,"content_length":"13255","record_id":"<urn:uuid:ec683718-bfa3-4172-b34e-6b11d54f8627>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00455-ip-10-... |
[SciPy-dev] genetic algorithm, number theory, filterdesign,zerofinding
Chuck Harris Chuck.Harris at sdl.usu.edu
Thu Apr 11 13:59:44 CDT 2002
> -----Original Message-----
> From: pearu at scipy.org [mailto:pearu at scipy.org]
> Sent: Thursday, April 11, 2002 12:14 PM
> To: scipy-dev at scipy.org
> Subject: RE: [SciPy-de... | {"url":"http://mail.scipy.org/pipermail/scipy-dev/2002-April/000884.html","timestamp":"2014-04-20T11:04:48Z","content_type":null,"content_length":"7495","record_id":"<urn:uuid:d7bbec14-5284-43da-b2c2-70398dccc873>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00389-ip-10-147-4-33.ec2... |
Languages, Grammars
Date: 04/20/2003 at 16:33:40
From: Joni
Subject: Languages, grammars
Let L be the set of words w over the alphabet {a,b} that have an odd
number of a's and a multiple of three b's. Find a regular grammar
that generates L.
Every time I came up with a "general formula" for the word accepted by
an aut... | {"url":"http://mathforum.org/library/drmath/view/62729.html","timestamp":"2014-04-17T04:32:27Z","content_type":null,"content_length":"7280","record_id":"<urn:uuid:e7488a05-ed0f-44e2-88d8-28ee65873bc0>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00661-ip-10-147-4-33.ec2.internal.war... |
Math Goes Pop!
Late last month, Slate ran an interesting article analyzing the performance of 3D movies over the past six years. Titled “Is 3-D Dead in the Water?“, the article investigated the success of a 3D
film by looking at several films released in 3D and graphing the ratio of their opening weekend revenue from ... | {"url":"http://www.mathgoespop.com/2010/09/3dead.html/comment-page-1","timestamp":"2014-04-16T07:22:21Z","content_type":null,"content_length":"82315","record_id":"<urn:uuid:7c3c9e61-a704-4836-989b-21c1d4c2b86f>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00577-ip-10-147-4-33.ec2.in... |
Image Processing: Dealing With Texture
Self-contained text covering practical image processing methods and theory for image texture analysis.
Techniques for the analysis of texture in digital images are essential to a range of applications in areas as diverse as robotics, defence, medicine and the geo-sciences. In biol... | {"url":"http://www.barnesandnoble.com/w/image-processing-maria-petrou/1111178736?ean=9780470026281&itm=1&usri=9780470026281","timestamp":"2014-04-20T17:37:52Z","content_type":null,"content_length":"125496","record_id":"<urn:uuid:b63d75ef-223b-4d4e-88ba-45646b5ca361>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34... |
Why Hashtable's load factor is not consistent with the one described in CLRS book?
up vote 0 down vote favorite
From the doc of Java about Hashtable class, it says
As a general rule, the default load factor (.75) offers a good tradeoff between time and space costs
So the load factor for Hashtable is 0.75, which mea... | {"url":"http://stackoverflow.com/questions/9339998/why-hashtables-load-factor-is-not-consistent-with-the-one-described-in-clrs-boo","timestamp":"2014-04-21T11:17:01Z","content_type":null,"content_length":"71130","record_id":"<urn:uuid:84d5e4b8-df8b-44d3-9fe3-499cd155d6d2>","cc-path":"CC-MAIN-2014-15/segments/1397609539... |
I Have No Idea.....please Help :( 1. For 100% Modulation... | Chegg.com
I have no idea.....please help :(
1. For 100% modulation is it possible for the envelope of AM tobecome zero for some time t? Justify
2. For a particular case of AM using sinusodial modulating wave,the percentage modulation is 20%. Calculate avg po... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/ideaplease-help-1-100-modulation-possible-envelope-tobecome-zero-time-t-justify-2-particul-q267142","timestamp":"2014-04-20T09:08:37Z","content_type":null,"content_length":"21715","record_id":"<urn:uuid:04994410-4171-4384-a29c-fd4ad976e29c>","cc-path":"CC... |
Factor the expressions. Use the greatest common factors to factor the expressions.
Factor the expressions using the greatest common factors.
Answers given on second page of the pdf.
Factoring expressions is an early algebra concept required. In the UK, it is referred to as factorization. Factoring means finding what to... | {"url":"http://math.about.com/od/algebraworksheets/ss/Factor-The-Expressions.htm","timestamp":"2014-04-20T23:27:19Z","content_type":null,"content_length":"42770","record_id":"<urn:uuid:58d48a98-9200-45cb-9b65-9186711809ef>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00443-ip-10-147-... |
Orthogonal coordinates
From Wikipedia, the free encyclopedia
In mathematics, orthogonal coordinates are defined as a set of d coordinates q = (q^1, q^2, ..., q^d) in which the coordinate surfaces all meet at right angles (note: superscripts are indices, not
exponents). A coordinate surface for a particular coordinate q... | {"url":"http://www.territorioscuola.com/wikipedia/en.wikipedia.php?title=Orthogonal_coordinates","timestamp":"2014-04-19T22:54:53Z","content_type":null,"content_length":"118768","record_id":"<urn:uuid:9ab09640-928d-4d50-b1bc-04938e0f72ba>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217... |
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Assigning multiple Resources to a Task in Microsoft Project
By Brett Pierce
I’m often asked this question when someone needs to understand how to report on time in Microsoft Project Server (EPM). Now they can read my blog and I can rather clear my inbox.
So lets say John and Tom are assigned to a 32 hour task on a proj... | {"url":"http://foxitblogs.wordpress.com/2012/04/10/assigning-multiple-resources-to-a-task-in-microsoft-project/","timestamp":"2014-04-19T15:12:16Z","content_type":null,"content_length":"48505","record_id":"<urn:uuid:c1ef18a0-5c76-4c38-a41b-7f57f2ab62b8>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-... |
ENG1500 Engineering Fundamentals
Subject Cat-nbr Class Term Mode Description Units Campus
ENG 1500 87446 1, 2009 ONC Engineering Fundamentals 1.00 Toowoomba
Academic group: FOSCI
Academic org: FOS003
Student contribution band: 2
ASC... | {"url":"http://www.usq.edu.au/course/specification/2009/ENG1500-S1-2009-87446.html","timestamp":"2014-04-19T14:33:53Z","content_type":null,"content_length":"18747","record_id":"<urn:uuid:b285148a-f4c9-42e0-8cd0-2ba0f966acf8>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00204-ip-10-14... |
FOM: 136:BRT/A Delta fA/A U. fA/nicer
Harvey Friedman friedman at math.ohio-state.edu
Thu Mar 28 01:47:14 EST 2002
Believe it or not, I really want to run out of ideas. Not yet, but
hopefully soon.
This posting supercedes posting #135, 5:45PM 3/27/02. We need to correct
the way that strictly dominating was used there.... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2002-March/005392.html","timestamp":"2014-04-18T08:07:09Z","content_type":null,"content_length":"7072","record_id":"<urn:uuid:4ff27776-02c8-422d-bbd4-507d1cadfba6>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00339-ip-10-147-4-33.ec2.inter... |
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Topic: How to import data without losing much precision
Replies: 5 Last Post: Dec 3, 2012 9:44 PM
Messa... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2418019&messageID=7931761","timestamp":"2014-04-16T22:25:34Z","content_type":null,"content_length":"25278","record_id":"<urn:uuid:c2e50a3d-88db-40c0-9240-a4c8f1c7c7d7>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00368-ip-10-147-4-... |
Long Grove, IL Algebra 2 Tutor
Find a Long Grove, IL Algebra 2 Tutor
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[Numpy-discussion] Python scalar float indices into array work - but not for array indices - why ?
Sebastian Haase seb.haase@gmail....
Wed Nov 17 12:20:06 CST 2010
>>> import numpy as np
>>> a = np.arange(4)
>>> a[1.8]
>>> a[ np.array(1.8) ]
Traceback (most recent call last):
File "<input>", line 1, in <module>
Index... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-November/053923.html","timestamp":"2014-04-16T22:43:58Z","content_type":null,"content_length":"3531","record_id":"<urn:uuid:1a2766f6-e673-4912-9697-d173bcf9be75>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00384-ip-10-147... |
Echo: DDR as a Test Model
This is a copy of my post at the blog to our discussion group 'Quantum Gravity in the Lab?!' about our meeting on March 6th. The discussion was lead by Michele Arzano, and this week's topic was
'Planck-scale departures from relativistic symmetries: test theories and status of predictions'
Mich... | {"url":"http://backreaction.blogspot.com/2007/03/echo-ddr-as-test-model.html?showComment=1173628680000","timestamp":"2014-04-21T14:42:17Z","content_type":null,"content_length":"161767","record_id":"<urn:uuid:eeaa7561-5963-4a9e-94ea-5c7fcfdefbff>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423... |
Math Practice Problems
MathScore EduFighter is one of the best math games on the Internet today. You can start playing for free!
Rounding Numbers - Sample Math Practice Problems
The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to comple... | {"url":"http://www.mathscore.com/math/practice/Rounding%20Numbers/","timestamp":"2014-04-17T03:49:33Z","content_type":null,"content_length":"16538","record_id":"<urn:uuid:57ae6639-91f4-4fc3-bda7-ac2508acc01a>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00221-ip-10-147-4-33.ec2.inter... |
Solutions Manual
Unformatted Document Excerpt
New York
COM S 414
Course Hero has millions of student submitted documents similar to the one
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Course Hero has millions of student submitted documents simil... | {"url":"http://www.coursehero.com/file/3331/Solutions-Manual/","timestamp":"2014-04-17T07:38:02Z","content_type":null,"content_length":"311128","record_id":"<urn:uuid:fe6928b6-679b-4d00-abdb-5cb7ab836a01>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00129-ip-10-147-4-33.ec2.internal... |
Monday Musing: Cocktail Party Conversation Permit
Monday, November 13, 2006
Monday Musing: Cocktail Party Conversation Permit
It is a frequently observed phenomenon that the less educated and intelligent people are, the more they tend to have decisive and strong opinions on the most complex political, philosophical,
e... | {"url":"http://3quarksdaily.blogs.com/3quarksdaily/2006/11/i_challenge_you.html","timestamp":"2014-04-19T09:24:55Z","content_type":null,"content_length":"38165","record_id":"<urn:uuid:e3184dc5-ef9e-4795-9706-f3efc60ae1c1>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00543-ip-10-147-... |
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