content stringlengths 86 994k | meta stringlengths 288 619 |
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Cantilever spreadsheet for dummies
Any (ideal) [prismatic cantilever] beam of length L, bent with a deflection of delta, will have the same [S:parabolic:S] [cubic] curve.
Dingomack: True, only if the type of applied loading is the same; i.e., in your case, only if there is a concentrated load (P) at the cantilever free... | {"url":"http://www.physicsforums.com/showthread.php?s=02ea70d1292f00a62cbd84e0a33e2e76&p=4653803","timestamp":"2014-04-19T09:51:13Z","content_type":null,"content_length":"30191","record_id":"<urn:uuid:168ed290-5abb-4dd5-a24f-f4331409bff2>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217... |
How do mathematicians work alongside physicists?
Well there is a fine border between the two, which includes, as an example, quantum field theory. QFT is a very strong physical theory, but needs a lot of backing up in terms of rigorous mathematics.
Topological quantum field theory is something I just recently read abou... | {"url":"http://www.physicsforums.com/showthread.php?p=2298306","timestamp":"2014-04-16T22:09:23Z","content_type":null,"content_length":"62857","record_id":"<urn:uuid:d4a44c27-0942-4494-8ed1-8e7842bf712e>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00322-ip-10-147-4-33.ec2.internal.w... |
Summary: Salem numbers and uniform distribution
modulo 1
Shigeki Akiyama and Yoshio Tanigawa
1 Introduction
Uniform distribution of sequences of exponential order growth is an at-
tractive and mysterious subject. Koksma's Theorem assures that the se-
quence ( n ) (n = 0; 1; : : :) is uniformly distributed modulo 1 for ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/249/3796893.html","timestamp":"2014-04-19T08:41:19Z","content_type":null,"content_length":"8396","record_id":"<urn:uuid:7556fb85-b91a-402b-ad9d-70f990de210a>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00223-ip-10-147-... |
MathGroup Archive: February 2002 [00045]
[Date Index] [Thread Index] [Author Index]
RE: Simplify
• To: mathgroup at smc.vnet.net
• Subject: [mg32663] RE: [mg32654] Simplify
• From: "Florian Jaccard" <jaccardf at eicn.ch>
• Date: Mon, ... | {"url":"http://forums.wolfram.com/mathgroup/archive/2002/Feb/msg00045.html","timestamp":"2014-04-19T04:40:08Z","content_type":null,"content_length":"35021","record_id":"<urn:uuid:3b3f32c3-3e88-4333-ae9c-70ad66c4792b>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00486-ip-10-147-4-33.... |
Results 1 - 10 of 88
- SIAM JOURNAL ON SCIENTIFIC COMPUTING , 1998
"... Recently, a number of researchers have investigated a class of graph partitioning algorithms that reduce the size of the graph by collapsing vertices and edges, partition the smaller graph, and
then uncoarsen it to construct a partition for the ori... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=182434","timestamp":"2014-04-18T06:27:26Z","content_type":null,"content_length":"32949","record_id":"<urn:uuid:c116c72f-6ff8-4865-b920-05f45f3b43f4>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00113-ip-10-147-4-33.ec2.internal.war... |
This Article
Bibliographic References
Add to:
Near Optimality of Chebyshev Interpolation for Elementary Function Computations
June 2004 (vol. 53 no. 6)
pp. 678-687
ASCII Text ... | {"url":"http://www.computer.org/csdl/trans/tc/2004/06/t0678-abs.html","timestamp":"2014-04-17T16:11:37Z","content_type":null,"content_length":"54693","record_id":"<urn:uuid:e2a55ddd-79b7-4636-959d-0197dc25bc77>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00149-ip-10-147-4-33.ec2.int... |
Math Help
October 26th 2009, 05:32 PM #1
Oct 2009
This is my first post on the forum, but I have been reading this forum for at least 2 years now. It has always been very useful to read some of the posts you guys make.
However, now, it seems like I can't solve my problem simply by reading the forum...I wou... | {"url":"http://mathhelpforum.com/calculus/110702-proof.html","timestamp":"2014-04-19T12:36:18Z","content_type":null,"content_length":"71004","record_id":"<urn:uuid:2020d2dc-e5af-438d-b60e-b0ee8b22e780>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00257-ip-10-147-4-33.ec2.internal.wa... |
Math Forum - Ask Dr. Math Archives: High School Number Theory
This page:
number theory
Dr. Math
See also the
Dr. Math FAQ:
0.9999 = 1
0 to 0 power
n to 0 power
0! = 1
dividing by 0
number bases
Internet Library:
number theory
About Math
basic algebra
linear algebra
linear equations
Complex Numbers
Discrete Math
Fibonac... | {"url":"http://mathforum.org/library/drmath/sets/high_number_theory.html?start_at=761&num_to_see=40&s_keyid=39896850&f_keyid=39896851","timestamp":"2014-04-16T11:11:06Z","content_type":null,"content_length":"25678","record_id":"<urn:uuid:e33ee08f-ecaf-44d1-ac5b-212b7672198d>","cc-path":"CC-MAIN-2014-15/segments/1398223... |
$Grp$ is the category with groups as objects and group homomorphisms as morphisms.
More abstractly, we can think of $Grp$ as the full subcategory of $Cat$ with groups as objects.
Since groups may be identified with one-object groupoids, it is sometimes useful to regard $Grp$ as a $2$-category, namely as the full sub-$2... | {"url":"http://ncatlab.org/nlab/show/Grp","timestamp":"2014-04-20T00:39:32Z","content_type":null,"content_length":"20304","record_id":"<urn:uuid:acf94ac1-831d-4e60-9823-ae3a7212c1c2>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00654-ip-10-147-4-33.ec2.internal.warc.gz"} |
June 20
M Theory Lesson 203
As usual Carl has jumped ahead with
a post
on mixing matrices as magic squares. For reference, let us collect here some actual figures for the
matrix, given in
this article
from the
Particle Data Group
. Absolute value signs are omitted.
$M_{ud} = 0.97377 \pm 0.00027$
$M_{us} = 0.2257 \pm 0.... | {"url":"http://kea-monad.blogspot.com/2008_06_01_archive.html","timestamp":"2014-04-17T04:05:40Z","content_type":null,"content_length":"123472","record_id":"<urn:uuid:fb924af4-d3cf-4820-ab33-626a4c3c89f7>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00419-ip-10-147-4-33.ec2.internal... |
An Example on - -
Please install Math Player to see the Math Symbols properly
Attempt following question by selecting a choice to answer.
What is the slope of the line on which for every point the ordinate is same?
DD ff
Infinitely large
Infinitely small
View Solution Steps | {"url":"http://www.icoachmath.com/solvedexample/sampleworksheet.aspx?process=/__cstlqvxbefxaxbgefkxkjbahxegebjxb&.html","timestamp":"2014-04-17T15:49:53Z","content_type":null,"content_length":"40889","record_id":"<urn:uuid:50ad818b-58ac-4542-8b58-a1c0cd218b65>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/C... |
[R] Question on estimating standard errors with noisy signals using the quantreg package
[R] Question on estimating standard errors with noisy signals using the quantreg package
Thorsten Vogel vogeltho at staff.hu-berlin.de
Tue Nov 1 09:29:51 CET 2011
Many thanks for your comments. The median of the r_i is something ar... | {"url":"https://stat.ethz.ch/pipermail/r-help/2011-November/294304.html","timestamp":"2014-04-18T23:20:40Z","content_type":null,"content_length":"7431","record_id":"<urn:uuid:64dce582-3587-4832-aa8c-d121f61f6861>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00641-ip-10-147-4-33.ec2.i... |
How strict can I be in the definition of "2-group"?
up vote 5 down vote favorite
Recall that a group is an associative, unital monoid $G$ such that the map $(p_1,m) : G \times G \to G\times G$ is an isomorphism of sets. Here $p_1$ is the first projection and $m$ is the
multiplication, so the map is $(g_1,g_2) \mapsto (... | {"url":"http://mathoverflow.net/questions/15486/how-strict-can-i-be-in-the-definition-of-2-group?sort=newest","timestamp":"2014-04-21T09:49:58Z","content_type":null,"content_length":"58329","record_id":"<urn:uuid:6fd3d607-cb40-49b3-a4aa-4513e0b108ef>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20... |
Understanding Binary and Hex numbers
Home : Library : Tutorials : Understanding Binary and Hex
Understanding Binary and Hex numbers
Computers only understand numbers.
The first thing to understand about computers is that they are nothing m... | {"url":"http://www.codemastershawn.com/library/tutorial/hex.bin.numbers.php","timestamp":"2014-04-18T08:19:31Z","content_type":null,"content_length":"20581","record_id":"<urn:uuid:5707ca2c-6559-437c-ad33-b568c877d684>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00341-ip-10-147-4-33.... |
Math_Matrix Bug #10728
fou [2007-04-14 19:07]
http://pear.php.net/bugs/10728 [Closed] multiply() method en-us pear-webmaster@lists.php.net pear-webmaster@lists.php.net hourly 1 2000-01-01T12:00+00:00 multiply() method Description: ------------
in the file Matrix.php in the function multiply(&$m1) line 1106 ... | {"url":"http://pear.php.net/feeds/bug_10728.rss","timestamp":"2014-04-19T12:27:50Z","content_type":null,"content_length":"4947","record_id":"<urn:uuid:a09f4d16-6058-43c6-8f48-91327dc86a21>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00630-ip-10-147-4-33.ec2.internal.warc.gz"} |
the definition of modern algebra
modern algebra
branch of mathematics concerned with the general algebraic structure of various sets (such as real numbers, complex numbers, matrices, and vector spaces), rather than rules and procedures for
manipulating their individual elements
Learn more about modern algebra with a fr... | {"url":"http://dictionary.reference.com/browse/modern+algebra?qsrc=2446","timestamp":"2014-04-20T11:20:17Z","content_type":null,"content_length":"90148","record_id":"<urn:uuid:a7c94fe3-6f5f-49ab-86e6-9f93a561f942>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00040-ip-10-147-4-33.ec2... |
Moment generating function
October 24th 2009, 01:33 PM #1
Junior Member
Feb 2009
Moment generating function
How could I solve this problem?
If Y is a random variable with a moment-generating function m(t)and if W is given by W=aY + b, show that the moment-generating function of W is e^(tb)m(at),
Start w... | {"url":"http://mathhelpforum.com/advanced-statistics/110159-moment-generating-function.html","timestamp":"2014-04-21T15:40:08Z","content_type":null,"content_length":"34071","record_id":"<urn:uuid:bf54b08d-955c-454a-833f-34014ec7a0f4>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00433... |
Logic-based Control
Tutorial workshop for the
10th Mediterranean Conference on Control and Automation
July 9-12, 2002, in Lisbon, Portugal
The overall objective of this tutorial session is to overview a variety of theoretical tools for synthesizing and analyzing logic-based switching control systems. By a logic-based c... | {"url":"http://www.ece.ucsb.edu/~hespanha/med02-logic/","timestamp":"2014-04-21T12:40:18Z","content_type":null,"content_length":"28571","record_id":"<urn:uuid:ffc38fba-a54e-4ec3-936e-3f34529d6593>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00268-ip-10-147-4-33.ec2.internal.warc.gz"... |
Laplacian Growth and Related Topics
(Web site soon online)
August 18 - 23, 2008
Organizers: N. Makarov (Caltech), P. Wiegmann (Chicago)
This workshop is devoted to mathematical aspects of Laplacian Growth.
A broad class of non-equilibrium growth processes have a common law: the normal velocity of the growing boundary o... | {"url":"http://www.crm.umontreal.ca/Mathphys2008/laplacian_e.shtml","timestamp":"2014-04-18T00:13:16Z","content_type":null,"content_length":"12175","record_id":"<urn:uuid:4514ec47-c885-432e-8aba-689f02c09549>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00200-ip-10-147-4-33.ec2.inte... |
[Numpy-discussion] unexpected behavior of __array_wrap__ in matrix subclass
[Numpy-discussion] unexpected behavior of __array_wrap__ in matrix subclass
Aronne Merrelli aronne.merrelli@gmail....
Thu Dec 22 12:44:43 CST 2011
Hello NumPy list,
While experimenting with a subclass of numpy.matrix, I discovered cases
where _... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2011-December/059665.html","timestamp":"2014-04-21T04:43:17Z","content_type":null,"content_length":"5027","record_id":"<urn:uuid:e4c5ecf1-73cd-4f83-ac90-361859af5c4c>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00605-ip-10-14... |
Posts about centering on HLP/Jaeger lab blog
Jessica Nelson (Learning Research and Development Center, University of Pittsburgh) uploaded a step-by-step example analysis using mixed models to her blog. Each step is nicely annotated and Jessica
also discusses some common problems she encountered while trying to analyze ... | {"url":"https://hlplab.wordpress.com/tag/centering/","timestamp":"2014-04-16T07:14:33Z","content_type":null,"content_length":"59695","record_id":"<urn:uuid:2a48cade-23ad-4adc-9a2d-f82e1141707d>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00183-ip-10-147-4-33.ec2.internal.warc.gz"} |
Area and Perimeter
October 9th 2007, 07:40 PM
Area and Perimeter
I need help with a work problem consiting of area and perimeter. I understand that A=1/2bh and that P = 2W x 2L. I am confused though when you have two different area's and you are to find the
area and perimeter. Please advise, thanks dtofte
Octob... | {"url":"http://mathhelpforum.com/algebra/20300-area-perimeter-print.html","timestamp":"2014-04-20T16:07:03Z","content_type":null,"content_length":"5400","record_id":"<urn:uuid:f9873e9b-8fcf-4ae0-be99-7cdfc9d96726>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00120-ip-10-147-4-33.ec2... |
Guide to the Alfred L. Putnam Papers 1928-1977
PDF | XML
University of Chicago Library
Guide to the Alfred L. Putnam Papers 1928-1977
© 2007 University of Chicago Library
Title: Putnam, Alfred L. Papers
Dates: 1928-1977
Size: 3.5 linear feet (7 boxes)
Special Collections Research Center
... | {"url":"http://www.lib.uchicago.edu/e/scrc/findingaids/view.php?eadid=ICU.SPCL.ALPUTNAM","timestamp":"2014-04-19T10:25:13Z","content_type":null,"content_length":"16107","record_id":"<urn:uuid:5d9d0fa3-4e98-4bf9-ab80-c2b9beda968c>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00635-ip-... |
A Guide to the Galen L. Seever Papers,
A Guide to the Galen L. Seever Papers, 1953-1977
Creator: Seever, Galen L.
Title: Galen L. Seever Papers
Dates: 1953-1977
Abstract: Born in Wichita, Kansas in 1934, Galen Seever received an undergraduate degree in Mathematics from the University of Kansas in 195... | {"url":"http://www.lib.utexas.edu/taro/utcah/00346/00346-P.html","timestamp":"2014-04-16T10:57:20Z","content_type":null,"content_length":"24325","record_id":"<urn:uuid:a0377e4f-e29c-486a-8403-7b23d49901ca>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00410-ip-10-147-4-33.ec2.interna... |
A note on polynomial congruences, in: Recent Progress in Analytic Number Theory
- J. Number Theory , 1999
"... Integers without large prime factors, dubbed smooth numbers, are by now firmly established as a useful and versatile tool in number theory. More than being simply a property of numbers that is
conceptually dua... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=846883","timestamp":"2014-04-18T22:20:27Z","content_type":null,"content_length":"25240","record_id":"<urn:uuid:75eaef39-6ca6-4f25-9cbe-878f1b977c14>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00328-ip-10-147-4-33.ec2.internal.warc... |
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A farmer has 336 ft of fencing and wants to build two identica... | {"url":"http://openstudy.com/updates/50bc2263e4b0bcefefa067ad","timestamp":"2014-04-17T16:00:41Z","content_type":null,"content_length":"86757","record_id":"<urn:uuid:45d4b0ed-6573-47f9-950a-ed289224e82f>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00519-ip-10-147-4-33.ec2.internal.w... |
Circles and right
June 16th 2009, 10:37 AM #1
Circles and right
Give an equation of the circle which passes by the points of intresections of both circles of equations knowing that his centre belongs to right of equation :
I think there are infinite solutions
June 18th 2009, 07:24 AM #2 | {"url":"http://mathhelpforum.com/pre-calculus/93032-circles-right.html","timestamp":"2014-04-23T20:58:28Z","content_type":null,"content_length":"31145","record_id":"<urn:uuid:31414ad7-6c88-4fb4-a188-496bf7c5c55d>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00141-ip-10-147-4-33.ec2.i... |
Unrealistic RRSP Contribution Expectations
We hear frequently that young people should start contributing to an RRSP early in life. Recently, I encountered yet another of these arguments. However, there are some unrealistic expectations
buried in the assumptions used.
Here is a typical version. If you start contributin... | {"url":"http://www.michaeljamesonmoney.com/2010/08/unrealistic-rrsp-contribution.html","timestamp":"2014-04-17T21:30:51Z","content_type":null,"content_length":"177976","record_id":"<urn:uuid:971be7fb-fd5e-41fd-99d7-3df51d84e7a6>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00502-ip-... |
100 times table chart
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Pie chart
A pie chart (or a circle graph) is a circularchart divided into sectors, illustrating proportion. In a pie chart, the arc length of each sector (and consequently its central angle and area), is
proportional to the quantity ... | {"url":"http://www.edurite.com/kbase/100-times-table-chart","timestamp":"2014-04-17T15:29:29Z","content_type":null,"content_length":"87006","record_id":"<urn:uuid:0caa23b0-1a92-4cc6-952e-d3ea14e8d226>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00307-ip-10-147-4-33.ec2.internal.war... |
Use Moving average convergence divergence to take trading decisions
The rate of change (ROC) is calculated as the difference between two price points, and, hence, is slightly volatile. To make the indicator line smoother, technical analysts use two moving averages,
wherein the lines are already smooth. The best example... | {"url":"http://articles.economictimes.indiatimes.com/2013-03-25/news/38010524_1_zero-line-crossover-momentum","timestamp":"2014-04-21T12:41:09Z","content_type":null,"content_length":"44410","record_id":"<urn:uuid:01fcb10d-2d74-4840-8aa3-e06e069f941e>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20... |
Please note: This is NOT the most current catalog.
Mathematics, Statistics, and Computer Science
Chair, 2007-08: Steven McKelvey, operations research, wildlife modeling
Faculty, 2007-08: Richard J. Allen, logic programming, intelligent tutoring systems; Peder A. Bolstad, precalculus, graph theory; Richard A. Brown, rel... | {"url":"http://www.stolaf.edu/catalog/0708/academicprogram/mscs.html","timestamp":"2014-04-17T04:31:03Z","content_type":null,"content_length":"7497","record_id":"<urn:uuid:8c04878f-2887-4b81-b70d-cc4321b28ee4>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00515-ip-10-147-4-33.ec2.int... |
Applied Mechanics
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[whatwg] Unicode mappings for ⟨ and ⟩
Øistein E. Andersen html5 at xn--istein-9xa.com
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Pray at the cross...
Pray at the cross...
Hey all
I was wondering if anyone of you knew how to calculate the angle of a cross brace...
Say you have a 2x4 and you want to put is at an angle between 2 joits that are at x" ... u'd have to calculate the angle.
I am sure in the old days the carpenters must have had a too... | {"url":"https://www.ridgidforum.com/forum/power-tools/woodworking-discussion-forum/25623-pray-at-the-cross?t=24954","timestamp":"2014-04-25T00:55:53Z","content_type":null,"content_length":"144602","record_id":"<urn:uuid:dacb3dfd-799e-4478-acf8-3b326af22cfc>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-... |
Homework Help
Posted by kristen on Wednesday, July 16, 2008 at 6:35pm.
establish the identity:
cot(A-B)= cotAcotB+1/cotB-cotA
thanks for any help at all
• trig - drwls, Wednesday, July 16, 2008 at 6:48pm
Is the final term
1/(cotB-cotA) or
(1/cotB)-cotA ??
Is the numerator term (cotA cotB +1) or 1 ?
... | {"url":"http://www.jiskha.com/display.cgi?id=1216247745","timestamp":"2014-04-18T10:56:29Z","content_type":null,"content_length":"8703","record_id":"<urn:uuid:e60b00cd-2fc1-4273-8ac3-3afa8597b73d>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00113-ip-10-147-4-33.ec2.internal.warc.gz... |
can this be made faster?
Robert Kern robert.kern at gmail.com
Mon Oct 9 00:40:41 CDT 2006
Daniel Mahler wrote:
> On 10/8/06, Greg Willden <gregwillden at gmail.com> wrote:
>> This next one is a little closer for the case when c is not just a bunch of
>> 1's but you still have to know how the highest number in b.
>> a=a... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2006-October/011234.html","timestamp":"2014-04-21T10:12:21Z","content_type":null,"content_length":"4395","record_id":"<urn:uuid:faefe43d-17f1-4a20-9a98-a46f7fbd59da>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00214-ip-10-147... |
Kew Gardens Math Tutor
Find a Kew Gardens Math Tutor
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From OpenWetWare
Review of Homework #1
1. Fibonacci question
□ Using recursion is good with Fibonacci if you're returning (and passing) a list.
□ Solutions to the Fibonacci question.
2. Parsimony:
□ Review of how to assess the most parsimonious explanation of nodes' states.
□ Solution/notes on... | {"url":"http://openwetware.org/wiki/20.181/Lecture4","timestamp":"2014-04-17T10:08:30Z","content_type":null,"content_length":"18248","record_id":"<urn:uuid:b1cbbf88-6a50-414e-bdf3-c5655a4fd0b1>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00589-ip-10-147-4-33.ec2.internal.warc.gz"} |
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On the 2nd Day of Christmas… A Customized Crock-Pot Giveaway! (winner announced)
UPDATE: The winner of the customized Crock-Pot is:
#2,258 – Brandy: “Veggie Soup”
Congratulations, Brandy! Be sure to reply to the email you’ve been sent, and we’ll get your new Crock-Pot shipped out to you!
Growing up, my mom routinely ma... | {"url":"http://www.browneyedbaker.com/2012/12/04/on-the-2nd-day-of-christmas-a-customized-crock-pot-giveaway/comment-page-25/","timestamp":"2014-04-19T02:19:31Z","content_type":null,"content_length":"113137","record_id":"<urn:uuid:74c51aa9-0d3c-4c64-b307-2ee889519350>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.... |
equilibrium point hypothesis
KP-PC k.p.collins at worldnet.att.net%remove%
Wed May 7 16:27:11 EST 2003
"siu99rnj" <siu99rnj at rdg.ac.uk> wrote in message
news:b9bqdc$9m2$1 at vins1.reading.ac.uk...
| Hello
| What is the equilibrium point hypothesis? It is coming up in a lot
| papers I have read that are to do with arm... | {"url":"http://www.bio.net/bionet/mm/neur-sci/2003-May/054377.html","timestamp":"2014-04-18T00:59:19Z","content_type":null,"content_length":"4010","record_id":"<urn:uuid:caa109a2-5560-4b82-a814-07f907cf510c>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00025-ip-10-147-4-33.ec2.inter... |
Orland Park Precalculus Tutor
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Patent application title: METHOD FOR GENERATING A FRACTURED RESERVOIR MESH WITH A LIMITED NUMBER OF NODES IN THE MATRIX MEDIUM
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A method for optimizing the development of a fluid reservoir using a fractured medium me... | {"url":"http://www.faqs.org/patents/app/20130096889","timestamp":"2014-04-24T20:19:20Z","content_type":null,"content_length":"109930","record_id":"<urn:uuid:71ca65bf-4e73-4afd-9ea4-89f1dbc7b170>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00142-ip-10-147-4-33.ec2.internal.warc.gz"} |
[SciPy-user] Polynomial interpolation
Rob Clewley rob.clewley@gmail....
Mon Apr 21 22:20:45 CDT 2008
On Mon, Apr 21, 2008 at 6:07 AM, Joris De Ridder
<Joris.DeRidder@ster.kuleuven.be> wrote:
> On 21 Apr 2008, at 08:02, Stéfan van der Walt wrote:
> > Talking about derivatives, does anyone know whether
> >
> > http:/... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2008-April/016458.html","timestamp":"2014-04-17T06:47:07Z","content_type":null,"content_length":"6771","record_id":"<urn:uuid:dcbcdc9a-c82a-4782-b9b2-01e9d516be43>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00071-ip-10-147-4-33.ec... |
[igraph] thoughts on mixing matrices?
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[igraph] thoughts on mixing matrices?
From: Bernie Hogan
Subject: [igraph] thoughts on mixing ... | {"url":"http://lists.gnu.org/archive/html/igraph-help/2009-08/msg00100.html","timestamp":"2014-04-16T19:25:38Z","content_type":null,"content_length":"5427","record_id":"<urn:uuid:5836ee7a-d5c7-4ddc-9a25-7b843d15b42f>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00328-ip-10-147-4-33.... |
Shailesh Chandrasekharan
Quantum critical behavior in three dimensional lattice Gross-Neveu models
Phys. Rev. D (2013)
Fermion Bag Approach to Fermion Sign Problems
Eur. Phys. J. A (2013)
Fermion Bag Solutions to Sign Problems
Proceedings of Science (2012)
The generalized fermion bag approach
Proceedings of Science (20... | {"url":"http://www.phy.duke.edu/content/shailesh-chandrasekharan","timestamp":"2014-04-20T04:08:41Z","content_type":null,"content_length":"28743","record_id":"<urn:uuid:f6b7d1b2-7b99-4007-94f7-da947e0155dc>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00441-ip-10-147-4-33.ec2.intern... |
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Help Please!! Use Laplace transforms to solve the initial valu... | {"url":"http://openstudy.com/updates/5029a295e4b044f79e8f444f","timestamp":"2014-04-18T23:52:48Z","content_type":null,"content_length":"163387","record_id":"<urn:uuid:75ff6019-e8e5-4655-9d3c-938905b7603e>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00364-ip-10-147-4-33.ec2.internal.... |
++ operator
Author ++ operator
Ranch Hand
int y = ++x + x++;
Joined: May if x = 2
05, 2003 can somebody explain ?
Posts: 97
SCJP 2 1.4
Ranch Hand
Originally posted by Robbie... | {"url":"http://www.coderanch.com/t/241978/java-programmer-SCJP/certification/operator","timestamp":"2014-04-19T20:23:20Z","content_type":null,"content_length":"38863","record_id":"<urn:uuid:fcd81c0e-4272-4fda-be7b-7674ba001ef8>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00394-ip-1... |
III. -LEAP METHODS
A. Method 1 (binomial -leap by Tianhai and Burrage)
B. Method 2 (modified binomial -leaping by Peng et al.)
C. Method 3 (generalized binomial -leaping)
D. Notes on methods 1–3
E. -leaps with delayed reactions
A. Simple four-reaction model without delays
B. The Hes1-dimer model
C. The Her1/Her7 model ... | {"url":"http://scitation.aip.org/content/aip/journal/jcp/128/20/10.1063/1.2919124","timestamp":"2014-04-19T05:20:40Z","content_type":null,"content_length":"120305","record_id":"<urn:uuid:7ca69600-45bc-4ee6-9462-10835c0884c4>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00285-ip-10-1... |
Irish Logarithms - Calculating History
Ideas for speeding up multiplication on mechanical calculators.
The only thing most mechanical calculators can really do is adding and subtracting.
Multiplication is achieved by repeatedly adding the multiplicand to itself, as many times as the multiplier is large. To speed up the... | {"url":"https://sites.google.com/site/calculatinghistory/home/irish-logarithms-1","timestamp":"2014-04-18T18:48:16Z","content_type":null,"content_length":"31465","record_id":"<urn:uuid:69cdc9f1-8059-411e-be96-b965f18508e6>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00323-ip-10-147-... |
AP CALCULUS AB Test Prep Videos
11 Hours Long--135 Solved Problems
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This AP Calculus AB video is 11 hour long video containing 135 solved problems from 3 different AP Calculus AB exams (PDF file included). This video prepares a student to be successful in the AB
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Algorithms Sequential and Parallel: A Unified Approach, Second Edition
With multi-core processors replacing traditional processors and the movement to multiprocessor workstations and servers, parallel computing has moved from a specialty area to the core of computer
science. In order to provide efficient and cost-effec... | {"url":"http://my.safaribooksonline.com/book/software-engineering-and-development/algorithms/9781584504122","timestamp":"2014-04-21T07:57:08Z","content_type":null,"content_length":"88467","record_id":"<urn:uuid:92adafa7-67de-426d-9f67-061e1dd6db7e>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-2014... |
Physics Forums - View Single Post - [Problem]: Magnitude/direction of magnetic force, electric force and the net force.
1. The problem statement, all variables and given/known data
A magnet produces a 0.40 T field between its poles, directed horizontally to the east. A dust particle with charge q = -8.0×10^-18 C is mo... | {"url":"http://www.physicsforums.com/showpost.php?p=2457932&postcount=1","timestamp":"2014-04-19T17:31:04Z","content_type":null,"content_length":"10002","record_id":"<urn:uuid:97838290-d663-4c60-a232-98e143df317e>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00463-ip-10-147-4-33.ec2.... |
Patterning and Symmetry
From EscherMath
Math Topic: Patterning and Symmetry
Grade Levels: Grades 4 - 6
By: Ann Rule, Ph.D. and Anneke Bart, Ph.D. Saint Louis University
Lesson plan design adapted from: Wigging, G. & McTighe, J. 1998. Understanding by Design. Alexandria, VA: ASCD.
Missouri GLEs
│Grade│ GLE │ ... | {"url":"http://euler.slu.edu/escher/index.php/Patterning_and_Symmetry","timestamp":"2014-04-20T19:27:21Z","content_type":null,"content_length":"21857","record_id":"<urn:uuid:0de73377-731a-4643-a852-e40c27e779f6>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00088-ip-10-147-4-33.ec2.i... |
[FOM] Strict identity relation and possible worlds
Carlos Gonçalves cgon1 at iscte.pt
Fri Jan 16 16:20:37 EST 2004
Hi all,
Consider a set of possible worlds F and a binary relation E, such that
(w,w') are in E if, and only if, they are the same element of F, E could
thus be thought of as a strict identity relation betw... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2004-January/007795.html","timestamp":"2014-04-17T00:53:24Z","content_type":null,"content_length":"3228","record_id":"<urn:uuid:1b7474c3-21b3-4705-8107-5dabd58c8b89>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00407-ip-10-147-4-33.ec2.int... |
Boole's inequality
Boole's inequality ^en
In probability theory, Boole's inequality, also known as the union bound, says that for any finite or countable set of events, the probability that at least one of the events happens is no greater
than the sum of the probabilities of the individual events. Boole's inequality is... | {"url":"http://www.freebase.com/m/01ylb_","timestamp":"2014-04-17T11:45:52Z","content_type":null,"content_length":"159882","record_id":"<urn:uuid:78c75a75-2a23-4fdd-bc69-b90156689e2b>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00354-ip-10-147-4-33.ec2.internal.warc.gz"} |
Converting math equations to C#
A while ago, I worked on a product where part of the effort involved turning math equations into code. At the time, I wasn't the person who was allocated the role, so my guess is the code was written
by simply taking the equations from word and translating them by hand into C#. All well ... | {"url":"http://www.codeproject.com/Articles/30615/Converting-math-equations-to-C","timestamp":"2014-04-18T16:07:08Z","content_type":null,"content_length":"141641","record_id":"<urn:uuid:a13a383f-4f4f-4905-8cf5-12ea91c9c121>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00026-ip-10-14... |
Depth of water when the water level is falling the least rapidly
October 22nd 2007, 12:38 PM #1
Depth of water when the water level is falling the least rapidly
Can someone help me with this problem? Thank you.
A spherical tank of radius 10ft is being filled with water. When it is completely full, a plug at its... | {"url":"http://mathhelpforum.com/calculus/21068-depth-water-when-water-level-falling-least-rapidly.html","timestamp":"2014-04-18T18:25:32Z","content_type":null,"content_length":"45130","record_id":"<urn:uuid:872f134b-7263-4dfc-a7cd-595cc35d7b54>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416... |
Transition between Two Regimes Describing Internal Fluctuation of DNA in a Nanochannel
We measure the thermal fluctuation of the internal segments of a piece of DNA confined in a nanochannel about 50100 nm wide. This local thermodynamic property is key to accurate measurement of
distances in genomic analysis. For DNA i... | {"url":"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0016890?imageURI=info:doi/10.1371/journal.pone.0016890.g003","timestamp":"2014-04-19T15:27:37Z","content_type":null,"content_length":"301207","record_id":"<urn:uuid:19ee7ea8-d913-4213-bd4a-bce3649661d1>","cc-path":"CC-MAIN-2014-15/segments/13976095372... |
Integration by parts, quick question
June 17th 2013, 08:18 AM #1
Junior Member
Mar 2012
Integration by parts, quick question
So i understand this question mostly, i dont understand where they got the (1+4) from? and shouldnt there be a negative in front of the last part on the 2nd line.
Re: Integration by parts... | {"url":"http://mathhelpforum.com/calculus/219923-integration-parts-quick-question.html","timestamp":"2014-04-16T08:00:16Z","content_type":null,"content_length":"48677","record_id":"<urn:uuid:ac47ab8b-9075-4033-ab4a-4c603e0bc1a5>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00448-ip-... |
svm {e1071}
svm is used to train a support vector machine. It can be used to carry out general regression and classification (of nu and epsilon-type), as well as density-estimation. A formula interface is
## S3 method for class 'formula':
svm((formula, data = NULL, ..., subset, na.action =
na.omit, scale = TRUE))
## S3... | {"url":"http://www.inside-r.org/packages/cran/e1071/docs/svm","timestamp":"2014-04-21T02:05:11Z","content_type":null,"content_length":"42318","record_id":"<urn:uuid:ff218edf-9d00-4759-bd0f-e24efc74a81a>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00064-ip-10-147-4-33.ec2.internal.w... |
Rita Sue and Bob too
In article <cg3ksb$bg5$(E-Mail Removed)>,
"M. Clift" <(E-Mail Removed)> wrote:
> Hi All,
> Can someone help. I promise I've looked how to do this but can't find a
> way...
> Ok, to find one name is easy
> if 'Bob' in list:
> print "They were found"
> else:
> print "They are not in list"
> But, how ... | {"url":"http://www.velocityreviews.com/forums/t334643-rita-sue-and-bob-too.html","timestamp":"2014-04-21T02:40:52Z","content_type":null,"content_length":"61788","record_id":"<urn:uuid:0ba4469b-c0d4-421b-917c-59a1aea4d541>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00311-ip-10-147-... |
[SciPy-user] Construct sparse matrix from sparse blocks
Neilen Marais nmarais@sun.ac...
Fri Feb 8 08:15:14 CST 2008
On Thu, 07 Feb 2008 10:45:32 -0500, David Warde-Farley wrote:
> If they're stored as a vector of row indices, a vector of column indices
> and a vector of values (as in the scipy.sparse.coo_matrix ) then
... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2008-February/015471.html","timestamp":"2014-04-17T21:58:20Z","content_type":null,"content_length":"4943","record_id":"<urn:uuid:ed579194-2c7b-49da-be0e-c45c34ca1454>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00497-ip-10-147-4-33.... |
Lemon Grove Math Tutor
Find a Lemon Grove Math Tutor
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Copyright © University of Cambridge. All rights reserved.
'Russian Cubes' printed from http://nrich.maths.org/
Why do this problem?
This problem
invites learners to consider a familiar geometrical setting (the cube) and think more deeply about how you can utilise its properties to analyse a problem, and develop and sha... | {"url":"http://nrich.maths.org/296/note?nomenu=1","timestamp":"2014-04-17T07:14:01Z","content_type":null,"content_length":"5133","record_id":"<urn:uuid:bcc58384-d1ee-4b46-8c7b-21d76bf68598>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00174-ip-10-147-4-33.ec2.internal.warc.gz"} |
MathGroup Archive: October 1998 [00288]
[Date Index] [Thread Index] [Author Index]
Re: Plot, Cursor and Spelling Errors questions
• To: mathgroup at smc.vnet.net
• Subject: [mg14497] Re: Plot, Cursor and Spelling Errors questions
• From... | {"url":"http://forums.wolfram.com/mathgroup/archive/1998/Oct/msg00288.html","timestamp":"2014-04-19T22:23:21Z","content_type":null,"content_length":"36981","record_id":"<urn:uuid:6ee41582-583a-49eb-adfe-edb4671483a4>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00121-ip-10-147-4-33.... |
Bayesian semiparametric analysis of gene-environment interactionn unde conditional gene-environment independence (Venue: GH seminar RM2)
Seminar Room 2, Newton Institute Gatehouse
In case-control studies of gene-environment association with disease, when genetic and environmental exposures can be assumed to be independ... | {"url":"http://www.newton.ac.uk/programmes/BNR/seminars/2007080709002.html","timestamp":"2014-04-24T12:59:01Z","content_type":null,"content_length":"5201","record_id":"<urn:uuid:0c12bf4d-7857-4351-a089-0b8a86477ba9>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00336-ip-10-147-4-33.ec... |
Belvedere, CA Algebra 1 Tutor
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Applicable to this and all other questions-- For any solution ... | {"url":"http://openstudy.com/updates/513e3cf4e4b029b0182bf94a","timestamp":"2014-04-16T04:34:19Z","content_type":null,"content_length":"47042","record_id":"<urn:uuid:e8315632-519f-47ed-93d6-78809c8736f5>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00136-ip-10-147-4-33.ec2.internal.... |
$\frac{\pi ^{2n}}{(2n+1)!} = \displaystyle \sum_{j_1,...j_n=1 \atop j_i eq j_k}^{\infty} (j_1j_2...j_n)^{-2}$
My friend, and fellow math blogger, Owen, tried to tell me I was dealing with the multi-zeta function the other day, but the very general definition on WolframMathworld left me feeling a little
mystified. I cou... | {"url":"http://www.futurebird.com/tag/combinations/","timestamp":"2014-04-18T01:04:04Z","content_type":null,"content_length":"23716","record_id":"<urn:uuid:fc21e97e-0df2-4763-ad62-79fcff4d42ed>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00462-ip-10-147-4-33.ec2.internal.warc.gz"} |
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The electric field between the 2 parallel plates of an oscillo... | {"url":"http://openstudy.com/updates/512af3d1e4b02acc415d0fd4","timestamp":"2014-04-21T15:17:21Z","content_type":null,"content_length":"103642","record_id":"<urn:uuid:bf90c1e1-cce6-4bc6-b33c-a408de78ce27>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00134-ip-10-147-4-33.ec2.internal... |
Excerpted from Beachy/Blair, Abstract Algebra, 2nd Ed. © 1996
Forward to §3.1 | Back to §2.2 | Up | Table of Contents | About this document
§ 2.3 Permutations
Definition 2.3.1. Let S be a set. A function permutation of S if
The se... | {"url":"http://math.niu.edu/~beachy/abstract_algebra/study_guide/23.html","timestamp":"2014-04-18T10:34:54Z","content_type":null,"content_length":"12842","record_id":"<urn:uuid:b95846a9-8886-4174-a233-d2124f548c4b>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00472-ip-10-147-4-33.ec2... |
Math Help
February 10th 2008, 02:25 AM #1
Mar 2007
I'm stuck on the following question:
Three small smooth identical spheres each of mass 1kg move on a straight line on a smooth horizontal floor. Initially B lies between A and C. Spheres A and B are projected directly towards each
other with speeds 3m/... | {"url":"http://mathhelpforum.com/advanced-applied-math/27876-collisions.html","timestamp":"2014-04-20T20:28:02Z","content_type":null,"content_length":"29181","record_id":"<urn:uuid:3a68c1fa-4515-4180-acd8-fb1b04f40f84>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00644-ip-10-147-4-33... |
Lecture 1 - It's Full of Stars! (1/12/99)
Next Lecture - How Far the Stars
Chapter 11 (ZG4)
pages 1 - 3
Open cluster M45, the Pleiades, in the constellation Taurus. (Courtesy SEDS)
Key Question: How do we find out about the distant Un... | {"url":"http://www.aoc.nrao.edu/~smyers/courses/astro12/L1.html","timestamp":"2014-04-17T09:43:26Z","content_type":null,"content_length":"11706","record_id":"<urn:uuid:9959dc30-0ec3-497c-8ad3-687f71e1e472>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00264-ip-10-147-4-33.ec2.interna... |
The Axiom of Choice
1. Zermelo does not, however, actually give the principle an explicit name at this point. ( He does so only in 1908, where he uses the term “postulate of choice”. We note that Zermelo here uses the
term “product” , which is the reason why a number of mathematicians (in particular Russell and Ramsey... | {"url":"http://plato.stanford.edu/entries/axiom-choice/notes.html","timestamp":"2014-04-16T07:35:51Z","content_type":null,"content_length":"22315","record_id":"<urn:uuid:cd28ce92-74d1-42bb-b449-79d90e593bd4>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00619-ip-10-147-4-33.ec2.inter... |
Taylor's theorem for complex functions
There is an analogue for
complex function
s of the well-known
Taylor theorem for real functions
. It roughly states that any
complex differentiable
is locally equal to a
power series
. Taylor's theorem is nice because
power series
are (in particular the convergence of the power se... | {"url":"http://everything2.com/title/Taylor%2527s+theorem+for+complex+functions?showwidget=showCs1463922","timestamp":"2014-04-17T10:22:38Z","content_type":null,"content_length":"22771","record_id":"<urn:uuid:7895fbc2-a4b3-4de9-8dcb-283c61c5dd34>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-201404... |
On the shortest route through a network
- IEEE/ACM Transactions on Networking , 2004
"... Abstract—The underlying concepts of an exact QoS routing algorithm are explained. We show that these four concepts, namely 1) nonlinear definition of the path length; 2) a-shortest path
approach; 3) nondominance; and 4) look-ahead... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=850760","timestamp":"2014-04-20T21:08:06Z","content_type":null,"content_length":"28584","record_id":"<urn:uuid:7c0bd20a-4031-4313-a9b0-93019276804c>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00397-ip-10-147-4-33.ec2.internal.war... |
When is the category of pro-objects a homotopy category?
up vote 12 down vote favorite
For a category $C$, there is a category Pro-$C$ whose objects are cofiltered diagrams $I \to C$ and whose morphisms are given by $$ {\rm Hom}(\{x_s\},\{y_t\}) = \varprojlim_t\ \varinjlim_s\ {\rm Hom}
(x_s,y_t). $$ Generally, this cat... | {"url":"http://mathoverflow.net/questions/90101/when-is-the-category-of-pro-objects-a-homotopy-category?sort=oldest","timestamp":"2014-04-16T22:03:28Z","content_type":null,"content_length":"65671","record_id":"<urn:uuid:6bb07606-572f-4ffa-a995-757e16dc4e99>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-M... |
Audio Watermarking
Test Statistic I
To determine the quality of the watermarking process, you can test the outcome. One metric is the difference between the population means of A and B rather than their values per se. The standardized
test statistic is given by the equation in Figure 2(a).
Figure 2: Test statistic I.
B... | {"url":"http://www.drdobbs.com/security/audio-watermarking/184404839?pgno=3","timestamp":"2014-04-16T10:46:58Z","content_type":null,"content_length":"98386","record_id":"<urn:uuid:32c4878b-1acd-40a5-a361-6407e30b7323>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00311-ip-10-147-4-33... |
Recall the basic definition for a derivative
This definition gives the instantaneous slope of a line tangent to a curve.
We also write the derivative as f’(x) [f prime of x]. From the above equation with just a little algebra you can derive the general formula for polynomials
There are a few basic rules that will allow... | {"url":"http://chemwiki.ucdavis.edu/Under_Construction/VV%3A_Mathematical_Concepts/Differentiation","timestamp":"2014-04-17T07:03:00Z","content_type":null,"content_length":"43560","record_id":"<urn:uuid:d8ecb223-3be0-4440-ae7a-e62d7f294dcc>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-201404160052... |
Wolfram Demonstrations Project
Collatz Sequence Paths
To generate the values of the Collatz sequence, start with a number ; if it is even, halve it, but if it is odd, triple it and add 1. Repeat the process. For example, if the sequence is 3, 10, 5,
16, 8, 4, 2 and finally 1. The Collatz probem (or problem) states that... | {"url":"http://demonstrations.wolfram.com/CollatzSequencePaths/","timestamp":"2014-04-21T15:06:35Z","content_type":null,"content_length":"41395","record_id":"<urn:uuid:36145bd8-31b5-4d6b-bbc7-392a2b4edea9>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00052-ip-10-147-4-33.ec2.interna... |
Stuck finding the derivative of x^2 using difference quotient
July 26th 2012, 03:23 AM #1
Jul 2012
Stuck finding the derivative of x^2 using difference quotient
Hey id be greatful to anyone who can help me with this which i guess is easy but im too dumb to get...
Whilst finding the derivative of x^2 (using ... | {"url":"http://mathhelpforum.com/calculus/201376-stuck-finding-derivative-x-2-using-difference-quotient.html","timestamp":"2014-04-16T17:56:59Z","content_type":null,"content_length":"39230","record_id":"<urn:uuid:6bb23bae-39f9-4257-9c86-b56849694e7e>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20... |
FOM: Feasibility and (in)determinateness of the standard numbers
Torkel Franzen torkel at sm.luth.se
Thu Apr 9 06:09:00 EDT 1998
Vladimir Sazonov says:
>It is this unqualified "in principle" which is unclear. (In
>which "principle"?)
The "principle" is rather like the "sake" in "for clarity's sake".
The phrase ... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1998-April/001815.html","timestamp":"2014-04-16T19:28:31Z","content_type":null,"content_length":"4096","record_id":"<urn:uuid:31755710-93aa-46de-a984-464f76874b76>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00641-ip-10-147-4-33.ec2.intern... |
a Closed set in the Complex Field
This is elementary but surely this set is closed
| c – i | ≥ | c | with c being in ℂ
I am trying to picture the set. Is it outside the disc centered at (0,1) with radius equal to modulus c (whatever that is) ?
|c- i| is the distance from point c to i. |c| is the distance from c to 0. S... | {"url":"http://www.physicsforums.com/showthread.php?p=4256768","timestamp":"2014-04-17T21:37:08Z","content_type":null,"content_length":"34618","record_id":"<urn:uuid:46eaf4d9-f602-4a5b-a569-724e52effad4>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00122-ip-10-147-4-33.ec2.internal.... |
[FOM] Why inclusive disjunction?
Timothy Y. Chow tchow at alum.mit.edu
Fri Jan 12 09:47:42 EST 2007
Arguments about natural language, and about the choice of OR vs. XOR *in
isolation*, are kind of fun but are doomed to be inconclusive, and I don't
think they address the right question anyway. A better question is, giv... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2007-January/011275.html","timestamp":"2014-04-19T14:54:30Z","content_type":null,"content_length":"3093","record_id":"<urn:uuid:497d96bf-16d4-4e93-856c-06d40e0e9f24>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00206-ip-10-147-4-33.ec2.inte... |
Librarian Evaluation Survey
Librarian Evaluation Survey
1. Course/Instructor Ratings
Please answer the following questions with regard to the course and instructor. Completion of this survey is voluntary and confidential. You are free to leave some or all questions unanswered.
... | {"url":"http://www.surveymonkey.com/s/B3FZWSG","timestamp":"2014-04-17T05:08:36Z","content_type":null,"content_length":"51323","record_id":"<urn:uuid:f790f136-b1d3-4ddf-ae48-2ccfd1adb611>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00443-ip-10-147-4-33.ec2.internal.warc.gz"} |
[SciPy-user] Optimization Working only with a Specific Expression of the input Parameters
Brandon Nuttall bnuttall@uky....
Fri Mar 2 07:50:53 CST 2007
I'm just an amateur, but it seems to me like the array data in myvar1 are
likely integers. When you raise the data to a power of type float (i.e.
2.0) all the members of... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2007-March/011195.html","timestamp":"2014-04-16T10:34:15Z","content_type":null,"content_length":"5265","record_id":"<urn:uuid:03aead99-faa0-4593-b673-77f3eec86a88>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00368-ip-10-147-4-33.ec2... |
How to get to Caen from Paris?
Unfollow Follow
How to get to Caen from Paris?
by akashg Apr 27, 2010 at 8:32 AM
Dear friends
i am reaching Paris at around 12:30 pm by flight.please suggest a reasonable and cheapest transport with specific details on how to get to Caen from Paris,with luggage.I need this info soon as I ... | {"url":"http://forum.virtualtourist.com/Caen-132312-7-3516157/How-to-get-to-Caen-from-Paris.html","timestamp":"2014-04-20T03:37:38Z","content_type":null,"content_length":"65681","record_id":"<urn:uuid:ddff5d4c-1e90-4d47-a21a-91f2aee998f9>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217... |
2. Geometric Primitive Types
OpenGL requires you to specify the Geometric Primitive Type of the Vertices you wish to draw. This is usually expected when you begin drawing in either Immediate Mode (GL.Begin), GL.DrawArrays or
Fig. 1: In the above graphic all valid Geometric Primitive Types are shown, their winding is Cl... | {"url":"http://www.opentk.com/doc/chapter/2/opengl/geometry/primitives","timestamp":"2014-04-16T07:35:07Z","content_type":null,"content_length":"17104","record_id":"<urn:uuid:b43bc9af-a388-4f49-947d-ccb7a380af85>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00090-ip-10-147-4-33.ec2.... |
Physics please check
Posted by Mary on Wednesday, March 28, 2007 at 1:25pm.
A bowling ball encounters a 0.76 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly.
If the translational speed of the ball is 3.6... | {"url":"http://www.jiskha.com/display.cgi?id=1175102744","timestamp":"2014-04-16T19:50:53Z","content_type":null,"content_length":"10165","record_id":"<urn:uuid:188776ab-bc86-4dd3-bd59-cfbe6486aa48>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00578-ip-10-147-4-33.ec2.internal.warc.g... |
Kocay's Lemma, Whitney's Theorem, and some Polynomial Invariant Reconstruction Problems
Given a graph $G$, an incidence matrix ${\cal N}(G)$ is defined on the set of distinct isomorphism types of induced subgraphs of $G$. It is proved that Ulam's conjecture is true if and only if the $
{\cal N}$-matrix is a complete gr... | {"url":"http://www.combinatorics.org/ojs/index.php/eljc/article/view/v12i1r63/0","timestamp":"2014-04-17T15:30:06Z","content_type":null,"content_length":"15788","record_id":"<urn:uuid:0436e3df-5d2c-415f-a2e3-51d6df81fd29>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00481-ip-10-147-4... |
Deformations and moduli of semistable sheaves in mixed characteristic
up vote 4 down vote favorite
Let $X$ be a projective scheme over an algebraically closed field $k$. There is the coarse moduli space $M_X$ parametrizing semistable sheaves on $X$ with fixed reduced Hilbert polynomial $p$. Now,
the deformation theory ... | {"url":"http://mathoverflow.net/questions/144973/deformations-and-moduli-of-semistable-sheaves-in-mixed-characteristic","timestamp":"2014-04-20T11:13:12Z","content_type":null,"content_length":"47572","record_id":"<urn:uuid:45fc6ca1-79ae-49a0-b201-29f4e53b46e4>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/... |
Industrial Problems at ESGI 35
Problem 1: Danfoss
Modeling thermostatic radiator valves.
The problem is to model the flow through a typical Danfoss thermostatic radiator valve.
Danfoss is able to employ Computational Fluid Dynamics (CFD) in calculations of the capacity of valves, but an experienced engineer can often b... | {"url":"http://miis.maths.ox.ac.uk/past/ESGI/35/problem1_Danfoss.html","timestamp":"2014-04-19T12:04:17Z","content_type":null,"content_length":"2188","record_id":"<urn:uuid:b2057ca6-26d1-4f52-8556-d3f48ac4476c>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00537-ip-10-147-4-33.ec2.int... |
Waverley Math Tutor
Hi! I am currently a graduate student in an MD/PhD program, with an undergraduate education in Computer Science. I worked as a software engineer before switching careers and going to graduate
17 Subjects: including algebra 1, geometry, prealgebra, precalculus
...I have also tested very well on... | {"url":"http://www.purplemath.com/waverley_ma_math_tutors.php","timestamp":"2014-04-21T12:33:36Z","content_type":null,"content_length":"23666","record_id":"<urn:uuid:153ba686-7a53-4556-90ad-67ced4cebef0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00411-ip-10-147-4-33.ec2.internal.w... |
The Discriminant of Quadratic Equations
Date: 08/06/98 at 10:18:07
From: Quincy
Subject: Quadratic equation
Will you explain why b^2 - 4ac = a triangle?
Date: 08/06/98 at 11:41:58
From: Doctor Santu
Subject: Re: Quadratic equation
Hello, Quincy!
This is all about how to solve equations such as:
40 x^2 + 5 x + 63... | {"url":"http://mathforum.org/library/drmath/view/53137.html","timestamp":"2014-04-16T18:58:58Z","content_type":null,"content_length":"9017","record_id":"<urn:uuid:59f4a423-34f8-4da6-89d0-c8b7645845c6>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00056-ip-10-147-4-33.ec2.internal.war... |
Got Homework?
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Here's the question you clicked on:
I need help in writing a java code for this. A sales person fi... | {"url":"http://openstudy.com/updates/51227829e4b03d9dd0c5a218","timestamp":"2014-04-21T02:21:29Z","content_type":null,"content_length":"70945","record_id":"<urn:uuid:47149fb2-9d54-4b36-ad8e-d6fcd42f2138>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00622-ip-10-147-4-33.ec2.internal.w... |
Patent US7786991 - Applications of interval arithmetic for reduction of number of computations in ray tracing problems
This is a Continuation application of application Ser. No. 11/024,527, filed Dec. 28, 2004, now U.S. Pat. No. 7,348,975 entitled “Applications of Interval Arithmetic for Reduction of Number of
Computat... | {"url":"http://www.google.co.uk/patents/US7786991","timestamp":"2014-04-21T12:48:32Z","content_type":null,"content_length":"77298","record_id":"<urn:uuid:016dd89a-b5c8-4a03-b890-3349b7989b9f>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00621-ip-10-147-4-33.ec2.internal.warc.gz"} |
MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi
Size refers to the number of nodes in a parse tree. Generally speaking, you can think of size as code length.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller. | {"url":"http://www.mathworks.com/matlabcentral/cody/problems/943-mirror-matrix/solutions","timestamp":"2014-04-17T10:01:02Z","content_type":null,"content_length":"132681","record_id":"<urn:uuid:ea3fd536-1c6e-45ea-aafc-0fb16fb32ec7>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00055-... |
Matlab: Data from Best Fit Lines into Legend
Hey all, I am plotting some data using matlab and have a question.
Basically, this is what I'm trying to do. I am calling a bunch of data from Excel, plotting this data in MATLAB (it gives me two lines), and then calculating the polyfit values for each line so I can
find the... | {"url":"http://www.physicsforums.com/showthread.php?p=3813561","timestamp":"2014-04-20T01:00:46Z","content_type":null,"content_length":"31206","record_id":"<urn:uuid:c9044c98-0fa1-4d9c-a207-ecfafcefbf74>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00425-ip-10-147-4-33.ec2.internal.w... |