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VLookup 2nd 3rd & 4th occurrence.
VLookup 2nd 3rd & 4th occurrence.
Author Message
Hi All,
I am trying to match the first, second, third and fourth occurrence of a
time in ... | {"url":"http://www.office-archive.com/14-excel/9ae17154c6d259ff.htm","timestamp":"2014-04-17T06:52:10Z","content_type":null,"content_length":"25043","record_id":"<urn:uuid:de5690d5-90ae-4bcd-985a-8001e6adac76>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00316-ip-10-147-4-33.ec2.inte... |
Sunol Algebra 2 Tutor
...I quickly became the most popular tutor because of my patience, dedication, and instructional ability. My emphasis was and still is on understanding the fundamental concepts as problem solving
naturally follows. Teaching and drilling the “how” of problem solving mechanics are important, but... | {"url":"http://www.purplemath.com/Sunol_Algebra_2_tutors.php","timestamp":"2014-04-18T21:54:29Z","content_type":null,"content_length":"23690","record_id":"<urn:uuid:8b432c61-1fd4-43c3-80a3-e3760702e3ba>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00561-ip-10-147-4-33.ec2.internal.wa... |
Re: st: 2SLS with random effects correcting for autocorrelation
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Re: st: 2SLS with random effects correcting for autocorrelation
From Helene Ehrhart <Helene.Ehrhart@u-clermont1.fr>
To statalist@hsphsun2.harvard.edu
Subject Re: st: 2SLS wi... | {"url":"http://www.stata.com/statalist/archive/2009-03/msg01366.html","timestamp":"2014-04-20T17:01:53Z","content_type":null,"content_length":"8627","record_id":"<urn:uuid:c8b9ff73-3af1-44af-b22a-b09c9f72f9d1>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00658-ip-10-147-4-33.ec2.inte... |
[SOLVED] 4x^23+769=347389
March 13th 2008, 03:33 PM #1
Mar 2008
[SOLVED] 4x^23+769=347389
Hi i have this problem.... Well this is a made up problem so i can attempt to get the real one my self.. I feel sort of dumb because i don't know this one...
My problem is- I don't know what to do with the ^23... how d... | {"url":"http://mathhelpforum.com/algebra/30940-solved-4x-23-769-347389-a.html","timestamp":"2014-04-18T10:10:11Z","content_type":null,"content_length":"32779","record_id":"<urn:uuid:0952e425-d275-466b-abee-1263be0d5381>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00634-ip-10-147-4-... |
finding an orthonormal basis
April 22nd 2008, 04:31 PM
finding an orthonormal basis
find an orthonormal basis of polynomials of degree 2 over the real space, with inner product <p,q> = integral from (0,1) of p(x)q(x)dx.
if you could direct me as to how to insert an integral symbol that would be great as well!
A... | {"url":"http://mathhelpforum.com/advanced-algebra/35596-finding-orthonormal-basis-print.html","timestamp":"2014-04-18T10:54:21Z","content_type":null,"content_length":"10069","record_id":"<urn:uuid:9c93122b-dfc9-44db-9d61-c22946d53a0d>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-003... |
another ln question, just need to know if this is correct
May 28th 2011, 01:16 PM #1
Jan 2011
another ln question, just need to know if this is correct
I have a problem in which I got x=e^-3
f(x) = x (ln x)^3
this would mean e^-3 ( -3)^3 giving -27/e^3?
May 28th 2011, 01:21 PM #2 | {"url":"http://mathhelpforum.com/calculus/181878-another-ln-question-just-need-know-if-correct.html","timestamp":"2014-04-16T11:10:02Z","content_type":null,"content_length":"33360","record_id":"<urn:uuid:df3ffd72-7835-4e81-baa3-5e7b13f21af6>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032... |
MathGroup Archive: July 1998 [00180]
[Date Index] [Thread Index] [Author Index]
Re: Can it be done - easily?
• To: mathgroup at smc.vnet.net
• Subject: [mg13279] Re: [mg13211] Can it be done - easily?
• From: Wouter Meeussen <eu000949 a... | {"url":"http://forums.wolfram.com/mathgroup/archive/1998/Jul/msg00180.html","timestamp":"2014-04-16T10:21:22Z","content_type":null,"content_length":"36182","record_id":"<urn:uuid:f9206607-b2b9-4d1b-94ad-33f0b4e2478a>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00131-ip-10-147-4-33.... |
East Somerville, MA Math Tutor
Find an East Somerville, MA Math Tutor
...From these perspectives I can help you grasp case studies and paper topics at a more fundamental level. I've been training public speakers for in-person, on radio, and on television occasions
for decades. I especially value helping speakers ma... | {"url":"http://www.purplemath.com/east_somerville_ma_math_tutors.php","timestamp":"2014-04-19T15:16:37Z","content_type":null,"content_length":"24383","record_id":"<urn:uuid:963d107f-ee90-4597-bba4-721470a32cf9>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00612-ip-10-147-4-33.ec2.int... |
h partitioning
Results 1 - 10 of 65
- Experience , 1994
"... Unstructured meshes are used in many large-scale scientific and engineering problems, including finite-volume methods for computational fluid dynamics and finite-element methods for structural
analysis. If unstructured problems such as these are to be solved ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=725194","timestamp":"2014-04-20T20:01:23Z","content_type":null,"content_length":"35579","record_id":"<urn:uuid:41d16e88-d0ab-460b-baac-db89c5208d72>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00441-ip-10-147-4-33.ec2.internal.war... |
Major changes to the forecast package
August 25, 2011
By Rob J Hyndman
The forecast package for R has undergone a major upgrade, and I’ve given it version number 3 as a result. Some of these changes were suggestions from the forecasting workshop I ran in Switzerland a
couple of months ago, and some have been on the dra... | {"url":"http://www.r-bloggers.com/major-changes-to-the-forecast-package/","timestamp":"2014-04-21T14:58:38Z","content_type":null,"content_length":"53615","record_id":"<urn:uuid:c2a11147-b6ea-4936-a356-fd79998d0ecd>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00067-ip-10-147-4-33.ec... |
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Topic: How can I specify counters for matrices?
Replies: 1 Last Post: Dec 7, 2012 11:26 AM
Messages: [ ... | {"url":"http://mathforum.org/kb/message.jspa?messageID=7933788","timestamp":"2014-04-20T03:52:32Z","content_type":null,"content_length":"18009","record_id":"<urn:uuid:45b16cb4-7d7c-4072-be4e-8a0b2c882c52>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00515-ip-10-147-4-33.ec2.internal... |
MATH 3703
Geometry for P-8 Teachers
This test covers sections 11.2, 11.3, 11.4, & 11.5. It consists of 20 questions.
● Problems which involve finding missing measures of right triangles
● Conversion problems
● Area problems
... | {"url":"http://www.westga.edu/~srivera/3703/MATH%203703-rev11.htm","timestamp":"2014-04-25T01:13:49Z","content_type":null,"content_length":"10045","record_id":"<urn:uuid:e4ef748e-8ea8-40e1-aedb-0763713ca724>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00098-ip-10-147-4-33.ec2.inter... |
First Vancouver Meeting on Probability
August 19-28, 1997
University of British Columbia, Vancouver, B.C., Canada
... | {"url":"http://www.fields.utoronto.ca/programs/scientific/97-98/probability/","timestamp":"2014-04-19T12:18:03Z","content_type":null,"content_length":"3274","record_id":"<urn:uuid:6c656d19-70d5-4eb2-84b8-dd44e0b11953>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00101-ip-10-147-4-33... |
Intermediate Algebra
Instructor Information
Name: Elizabeth Drake
E-mail: eliza... | {"url":"http://home.ite.sfcollege.edu/~elizabeth.drake/syllabusmat1033.htm","timestamp":"2014-04-19T17:18:28Z","content_type":null,"content_length":"25799","record_id":"<urn:uuid:8642d4fa-cd1f-44bc-a229-e0bce449e694>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00164-ip-10-147-4-33.... |
Prove that the norm on L^2 space is continuous
January 26th 2009, 05:39 PM #1
Nov 2008
Prove that the norm on L^2 space is continuous
Prove that the norm, ${\left\lVert \cdot \right\rVert}$, considered as a function ${\left\lVert \cdot \right\rVert}:\mathfrak{L}^2([-L,L],\mathbb{F})\rightarrow \mathbb{R}$ is co... | {"url":"http://mathhelpforum.com/advanced-algebra/70085-prove-norm-l-2-space-continuous.html","timestamp":"2014-04-20T14:08:29Z","content_type":null,"content_length":"34668","record_id":"<urn:uuid:df8a7989-8ada-423b-9733-d3f2b95afdb5>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-006... |
Re: Compress the finite state machine
Sicco Tans <stans@lucent.com>
10 Mar 1999 00:31:12 -0500
From comp.compilers
| List of all articles for this mo... | {"url":"http://compilers.iecc.com/comparch/article/99-03-041","timestamp":"2014-04-19T09:29:49Z","content_type":null,"content_length":"5345","record_id":"<urn:uuid:73ca701a-0e7d-4ee5-be57-0807a6eada5e>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00194-ip-10-147-4-33.ec2.internal.wa... |
ball hitting a swinging rod
December 22nd 2010, 08:45 AM #1
Aug 2010
ball hitting a swinging rod
A thin uniform metal bar, 2m long and weighing 90N, is hanging vertically from the ceiling on a frictionless pivot. Suddenly, it is struck 1.5m below the ceiling by a small 3kg ball, intially
travelling horizont... | {"url":"http://mathhelpforum.com/advanced-applied-math/166756-ball-hitting-swinging-rod.html","timestamp":"2014-04-19T04:31:58Z","content_type":null,"content_length":"34415","record_id":"<urn:uuid:7360ce2f-47d1-4cfc-a062-7dfa700620db>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-002... |
A postscript to my comment about kids having trouble with the distributive property
01 Wednesday Feb 2012
Posted in General, Mathematics
In my most recent blog entry I described how even the very able students at Exeter, working in a problem-based environment, have trouble avoiding common misconceptions. I happened t... | {"url":"http://grantwiggins.wordpress.com/2012/02/01/a-postscript-to-my-comment-about-kids-having-trouble-with-the-distributive-property/","timestamp":"2014-04-16T04:11:33Z","content_type":null,"content_length":"70159","record_id":"<urn:uuid:2bca4d2a-6c8a-45aa-897b-c9c6869ad042>","cc-path":"CC-MAIN-2014-15/segments/139... |
Mandalic geometry and polar coordinates - V
(Continued from here.)
LEVELS 2 and 4
11-Levels 2 and 4 of the spherical mandala can be divided into two distinct subgroups:
A-The first subgroup consists of the remaining six hexagrams of the outer shell (Shell 1). Three of these, each having 4 broken (yin) lines, occur at L... | {"url":"http://blindmen6.tumblr.com/tagged/group-theory","timestamp":"2014-04-21T09:35:12Z","content_type":null,"content_length":"89284","record_id":"<urn:uuid:3ffa8d6c-e90f-4bb1-a5ed-bf95cd05dea1>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00072-ip-10-147-4-33.ec2.internal.warc.gz... |
Confused about this trig substitution!
February 18th 2009, 08:49 PM #1
Jan 2009
Confused about this trig substitution!
my book tells me to make u = sec(x) du = tanxsecx dxwhich makes sense, but could you also make u = tanx making du = (secx)^2 dx? But the latter method is incorrect why?
my book tells me to ... | {"url":"http://mathhelpforum.com/calculus/74414-confused-about-trig-substitution.html","timestamp":"2014-04-16T18:04:01Z","content_type":null,"content_length":"44887","record_id":"<urn:uuid:c4486280-4819-4c73-837b-81e08f920d0b>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00324-ip-1... |
Electric potential in relation to electric field problem
i am thinking i will use the equation V=Ed, so I would use V=-1000 and d equal to -.9m...
This is the right direction. For a potential which only changes along one dimension, you can write E = -dV/dx ; that is, the magnitude of the field is the slope of the poten... | {"url":"http://www.physicsforums.com/showthread.php?t=219987","timestamp":"2014-04-20T11:19:23Z","content_type":null,"content_length":"24230","record_id":"<urn:uuid:76dc1c2f-5613-4f46-92ec-447d60de77af>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00298-ip-10-147-4-33.ec2.internal.w... |
Mapping Diagrams
A function is a special type of relation in which each element of the domain is paired with exactly one element in the range. A mapping shows how the elements are paired. Its like a flow chart for a
function, showing the input and output values.
A mapping diagram consists of two parallel columns. The f... | {"url":"http://hotmath.com/hotmath_help/topics/mapping-diagrams.html","timestamp":"2014-04-16T10:10:03Z","content_type":null,"content_length":"5245","record_id":"<urn:uuid:21f3e243-1be7-453b-8b3c-37081497560b>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00091-ip-10-147-4-33.ec2.int... |
Summary: Testing Low-Degree Polynomials over GF(2)
Noga Alon
Tali Kaufman
Michael Krivelevich
Simon Litsyn §
Dana Ron¶
July 9, 2003
We describe an efficient randomized algorithm to test if a given binary function f : {0, 1}n
{0, 1} is a low-degree polynomial (that is, a sum of low-degree monomials). For a given integer... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/556/1705793.html","timestamp":"2014-04-20T19:02:18Z","content_type":null,"content_length":"7855","record_id":"<urn:uuid:ffe1115c-9c07-42a1-8161-03070246b502>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00379-ip-10-147-... |
Is every smooth affine curve isomorphic to a smooth affine plane curve?
up vote 11 down vote favorite
As suggested by Poonen in a comment to an answer of his question about the birationality of any curve with a smooth affine plane curve we ask the following questions:
Q) Is it true that every smooth affine curve is iso... | {"url":"http://mathoverflow.net/questions/9751/is-every-smooth-affine-curve-isomorphic-to-a-smooth-affine-plane-curve","timestamp":"2014-04-18T14:07:20Z","content_type":null,"content_length":"59752","record_id":"<urn:uuid:9964b8ef-b460-4bb6-8cd6-ed23652d483b>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/C... |
A trait for data that have a single, natural ordering. See scala.math.Ordering before using this trait for more information about whether to use scala.math.Ordering instead.
Classes that implement this trait can be sorted with scala.util.Sorting and can be compared with standard comparison operators (e.g. > and <).
Ord... | {"url":"http://www.scala-lang.org/api/current/scala/math/Ordered.html","timestamp":"2014-04-18T13:12:00Z","content_type":null,"content_length":"79793","record_id":"<urn:uuid:68c2779e-8be6-4060-9eac-b66441940e9c>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00587-ip-10-147-4-33.ec2.in... |
Dihydromonoxide: what's in a name? - Gridshore
Dihydromonoxide: what’s in a name?
Does the name dihydromonoxide sound in any way familiar to you? It should (really, it should). Try googling it (here, I’ll make it easy for you). If and when you do google it, you will be informed by
all sorts of sites of the various prop... | {"url":"http://www.gridshore.nl/2008/08/06/dihydromonoxide-whats-in-a-name/","timestamp":"2014-04-16T20:22:32Z","content_type":null,"content_length":"90063","record_id":"<urn:uuid:0ba7d127-dd49-4d17-8d9b-50482ddf57b3>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00156-ip-10-147-4-33... |
Systems - Method of Elimination
May 8th 2012, 01:42 AM #1
May 2012
Systems - Method of Elimination
Hi there,
I can't figure out how to solve these under cases he hasn't shown in class and he asked one like this on a quiz. My professor doesn't want us to solve them by multiplying and substituting as
show... | {"url":"http://mathhelpforum.com/differential-equations/198528-systems-method-elimination.html","timestamp":"2014-04-18T16:08:30Z","content_type":null,"content_length":"32438","record_id":"<urn:uuid:2edaaf21-4789-4943-91e4-ca05429468a6>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-0... |
Flatland and its sequel bring the math of higher dimensions to the silver screen
In 1884, Edwin Abbott wrote a strange and enchanting novella called Flatland, in which a square who lives in a two-dimensional world comes to comprehend the existence of a third dimension but is
unable to persuade his compatriots of his di... | {"url":"https://www.sciencenews.org/article/flatland-and-its-sequel-bring-math-higher-dimensions-silver-screen","timestamp":"2014-04-18T00:14:32Z","content_type":null,"content_length":"77413","record_id":"<urn:uuid:c5fb897b-286d-49f6-b0a9-a277b7eb12e2>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-... |
Hana Štěpánková
On Nonnegative Solutions of Initial Value Problems for Second
Order Linear Functional Differential Equations
Optimal sufficient conditions are established for the existence and uniqueness of a nonnegative solution of the initial value problem
$$u''(t)=\ell(u)(t)+q(t),\quad u(a)=c_1,\quad u'(a)=c_2,$$
wh... | {"url":"http://www.emis.de/journals/GMJ/vol12/12-3-14.htm","timestamp":"2014-04-19T00:04:18Z","content_type":null,"content_length":"1044","record_id":"<urn:uuid:36b78ea6-179a-454a-b493-81bf1cc03246>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00317-ip-10-147-4-33.ec2.internal.warc.g... |
6.10.5 The As If Rule
There were several reasons for the K&R C rearrangement rules:
• The rearrangements provide many more opportunities for optimizations, such as compile-time constant folding.
• The rearrangements do not change the result of integral-typed expressions on most machines.
• Some of the operations ... | {"url":"http://docs.oracle.com/cd/E19205-01/819-5265/6n7c29d9f/index.html","timestamp":"2014-04-16T11:58:54Z","content_type":null,"content_length":"4245","record_id":"<urn:uuid:8284abc1-3eb5-43ee-a1da-2a6895fd23ab>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00601-ip-10-147-4-33.ec... |
Strength Of A Beam
June 11th 2009, 12:46 AM #1
Strength Of A Beam
Hi All,
Not sure if this is in the right section, but would love your help with this.
Engineers have determined that the strength s of a rectangular beam varies as the product of the width w and the square of the depth d of the beam, that is,... | {"url":"http://mathhelpforum.com/calculus/92532-strength-beam.html","timestamp":"2014-04-19T08:37:19Z","content_type":null,"content_length":"35036","record_id":"<urn:uuid:d367a8c0-e83a-4f85-aa1f-2c8b95f59fe6>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00232-ip-10-147-4-33.ec2.inte... |
Flatland and its sequel bring the math of higher dimensions to the silver screen
In 1884, Edwin Abbott wrote a strange and enchanting novella called Flatland, in which a square who lives in a two-dimensional world comes to comprehend the existence of a third dimension but is
unable to persuade his compatriots of his di... | {"url":"https://www.sciencenews.org/article/flatland-and-its-sequel-bring-math-higher-dimensions-silver-screen","timestamp":"2014-04-18T00:14:32Z","content_type":null,"content_length":"77413","record_id":"<urn:uuid:c5fb897b-286d-49f6-b0a9-a277b7eb12e2>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-2... |
What do you think?
Super Member
Re: What do you think?
Hidden message abuse!
I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=238927","timestamp":"2014-04-20T16:47:19Z","content_type":null,"content_length":"42483","record_id":"<urn:uuid:3f311721-0f5f-4aaf-88a7-394d2aedc9ce>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00620-ip-10-147-4-33.ec2.internal... |
Financial Mathematics Seminars
Financial Mathematics Seminars - October 25, 2000
4:30 - 5:30 p.m.
Marcel Rindisbacher, Joseph L. Rotman School of Management, University of Toronto
This talk and associated article extend the standard continuous time financial market model pioneered by Samuelson (1969) and Merton (1971) ... | {"url":"http://www.fields.utoronto.ca/programs/cim/financial_math/finance_seminar/00-01/abstract10-25.html","timestamp":"2014-04-19T22:25:47Z","content_type":null,"content_length":"12469","record_id":"<urn:uuid:eea53cd2-17bc-415c-8c6e-6332932835a7>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140... |
Citizendium - building a quality free general knowledge encyclopedia. Click here to join and contribute—free
Many thanks December donors; special to Darren Duncan. January donations open; need minimum total $100. Let's exceed that.
Donate here. By donating you gift yourself and CZ.
G... | {"url":"http://en.citizendium.org/wiki/Green's_function","timestamp":"2014-04-18T13:10:00Z","content_type":null,"content_length":"41203","record_id":"<urn:uuid:fbf525a8-819e-43a6-9833-bd7f6b79021d>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00191-ip-10-147-4-33.ec2.internal.warc.g... |
CS714: Machine Learning
Fall 2013
This introductory course on machine learning will give an overview of many concepts, techniques, and algorithms in machine learning that are now widely applied in scientific data analysis, da... | {"url":"http://cecs.wright.edu/~swang/cs714/","timestamp":"2014-04-18T03:40:52Z","content_type":null,"content_length":"2563","record_id":"<urn:uuid:a46b57b2-eb49-4e72-a7ca-fe70b3284c3d>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00469-ip-10-147-4-33.ec2.internal.warc.gz"} |
R: st: -cmp for mixed and nonrecursive process?
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R: ... | {"url":"http://www.stata.com/statalist/archive/2010-12/msg00245.html","timestamp":"2014-04-18T15:47:10Z","content_type":null,"content_length":"14874","record_id":"<urn:uuid:172237d2-cf38-4cd3-b39e-ca0e67894ad5>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00073-ip-10-147-4-33.ec2.in... |
the first resource for mathematics
Coupled random fixed point theorems for nonlinear contractions in partially ordered metric spaces.
(English) Zbl 1176.54030
Summary: Let
$\left(X,\le \right)$
be a partially ordered set and suppose there is a metric
such that
is a complete separable metric space and
$\left({\Omega },{... | {"url":"http://zbmath.org/?q=an:1176.54030","timestamp":"2014-04-19T22:14:24Z","content_type":null,"content_length":"23027","record_id":"<urn:uuid:f9b9a7ce-c430-470b-b8c6-5ddbdefb2fc2>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00473-ip-10-147-4-33.ec2.internal.warc.gz"} |
max shearing stress problem
Hey guys, I got a problem that goes like: A shaft with a circular cross section is subjected to a torque of 120ft-lb. Its shaft's diameter is 0.750 in and its length is 15 in., determine the maximum
shearing stress.
I did the following: I tried to use shearing stress = Tr/J in which i plugge... | {"url":"http://www.physicsforums.com/showthread.php?t=88498","timestamp":"2014-04-19T19:52:06Z","content_type":null,"content_length":"22092","record_id":"<urn:uuid:52163508-17e2-4cd2-97ae-fead9a0d7fba>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00087-ip-10-147-4-33.ec2.internal.wa... |
Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text o... | {"url":"http://www.nap.edu/openbook.php?record_id=18317&page=63","timestamp":"2014-04-18T03:56:15Z","content_type":null,"content_length":"81520","record_id":"<urn:uuid:06298c26-6103-4280-a957-4ea90ff5abae>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00403-ip-10-147-4-33.ec2.interna... |
Physics Forums - View Single Post - Causes of loss of interest in String program
String experts have decided after several decades experience that one should NOT think in terms of strings and branes in a geometry with compactified extra dimensions.
But what you get from AdS/CFT are low-dimensional field theories in fl... | {"url":"http://www.physicsforums.com/showpost.php?p=3263502&postcount=94","timestamp":"2014-04-21T12:13:54Z","content_type":null,"content_length":"9707","record_id":"<urn:uuid:73f4f209-50ad-40df-88bb-b4736973a26f>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00222-ip-10-147-4-33.ec2.... |
SuperMemo Algorithm
Home News Shopping FAQ Library Download Help Support
Contents : Technical articles : Algorithm
... | {"url":"http://www.supermemo.com/english/algsm8.htm","timestamp":"2014-04-19T09:57:29Z","content_type":null,"content_length":"20338","record_id":"<urn:uuid:6cccb82a-e4ad-43cc-9eda-230f1c7b944d>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00027-ip-10-147-4-33.ec2.internal.warc.gz"} |
Bywood, PA SAT Math Tutor
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max shearing stress problem
Hey guys, I got a problem that goes like: A shaft with a circular cross section is subjected to a torque of 120ft-lb. Its shaft's diameter is 0.750 in and its length is 15 in., determine the maximum
shearing stress.
I did the following: I tried to use shearing stress = Tr/J in which i plugge... | {"url":"http://www.physicsforums.com/showthread.php?t=88498","timestamp":"2014-04-19T19:52:06Z","content_type":null,"content_length":"22092","record_id":"<urn:uuid:52163508-17e2-4cd2-97ae-fead9a0d7fba>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00087-ip-10-147-4-33.ec2.internal.war... |
High School Geomtry Problems
September 21st 2013, 10:12 AM #1
Junior Member
Nov 2011
High School Geomtry Problems
Hey, I have these 3 problems that I need to make sure I can do right for an exam Monday.
Here's are the three: (screenshots)
Screenshot by Lightshot
Screenshot by Lightshot
Screensho... | {"url":"http://mathhelpforum.com/geometry/222145-high-school-geomtry-problems.html","timestamp":"2014-04-18T12:06:26Z","content_type":null,"content_length":"61740","record_id":"<urn:uuid:9dde66b2-70fe-49f8-ad4f-53735cff6a9e>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00596-ip-10-1... |
Concrete Anchor Foundation Bolt Design Calculations With Example According to ACI 318 Appendix D-Part1-Steel Strength in Tension
Example of Concrete Anchor Bolt Design Calculation – Part-1: Determining Steel Strength of Anchor Bolt in Tension
Anchor bolts are used extensively as foundation bolts for rotating equipments... | {"url":"http://blog.mechguru.com/machine-design/example-of-concrete-anchor-bolt-design-calculation-part-1-determining-steel-strength-of-anchor-bolt-in-tension/","timestamp":"2014-04-19T02:17:02Z","content_type":null,"content_length":"44838","record_id":"<urn:uuid:dc0a1fcd-7308-4435-a82b-111f95f7ba6a>","cc-path":"CC-MAI... |
Fractals With Stars
From Math Images
Fractals with stars
The final star creation.
Basic Description
Start by trying to make a star tool. Plot point A and plot point B far away from it. Mark the first point as center and rotate B around it 4 times at 72º until five points are created around a center
point. Then cons... | {"url":"http://mathforum.org/mathimages/index.php/Fractals_With_Stars","timestamp":"2014-04-16T16:59:19Z","content_type":null,"content_length":"23612","record_id":"<urn:uuid:10f28c55-3e51-427e-925b-aeba387171a0>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00516-ip-10-147-4-33.ec2.i... |
Equivalence class proof
1. The problem statement, all variables and given/known data
Prove that if (a1, b1) ~ (a2, b2) and (c1, d1) ~ (c2, d2), then (a1, b1) + (c1, d1) ~ (a2, b2) + (c2, d2)
and (a1, b1) [tex]\bullet[/tex] (c1, d1) ~ (a2, b2)[tex]\bullet[/tex] (c2, d2).
Let [a, b] denote the equivalence class with resp... | {"url":"http://www.physicsforums.com/showthread.php?t=311812","timestamp":"2014-04-19T22:44:12Z","content_type":null,"content_length":"23667","record_id":"<urn:uuid:1b7f64b5-b922-47d7-8c06-52c14ca630af>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00618-ip-10-147-4-33.ec2.internal.w... |
The Opposite Sides of A Parallelogram Are Congruent
The Opposite Sides of a Parallelogram are Congruent
A parallelogram is a quadrilateral whose opposite sides are parallel. In this post, we show that asides from being parallel, they are also congruent. In the figure below, $ABCD$ is a parallelogram; $
\overline{AB}$ i... | {"url":"http://proofsfromthebook.com/2013/03/03/the-opposite-sides-of-a-parallelogram/","timestamp":"2014-04-20T14:11:46Z","content_type":null,"content_length":"79655","record_id":"<urn:uuid:47f44ece-7b28-4a1c-b550-2cfb90f7b2d0>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00490-ip-1... |
Rate of change
April 16th 2007, 01:34 PM
Rate of change
I'm pretty familiar with the calculator settings but I don't know how to answer these questions. It would be appreciated if you would show me the steps in how you answer these questions.
1. The per-share dividends for Wachovia Corporation increased from $1... | {"url":"http://mathhelpforum.com/statistics/13803-rate-change-print.html","timestamp":"2014-04-19T05:39:49Z","content_type":null,"content_length":"8044","record_id":"<urn:uuid:7e5e1af9-0594-4f74-9f93-3b5145380903>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00335-ip-10-147-4-33.ec2... |
etd AT Indian Institute of Science: The Effect Of Interference Of Strip Foundations And Anchors On Their Ultimate Bearing Capacity And Elastic Settlement
& Collections
Thesis Guide
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etd AT Indian Institute of Sci... | {"url":"http://etd.ncsi.iisc.ernet.in/handle/2005/985","timestamp":"2014-04-16T05:32:00Z","content_type":null,"content_length":"26215","record_id":"<urn:uuid:5f9c5d25-3210-46ff-a3a4-0929af3f49cd>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00178-ip-10-147-4-33.ec2.internal.warc.gz"... |
Possible Answer
Paired samples t-tests typically consist of a sample of matched pairs of similar units, or one group of units that has been tested twice (a "repeated measures" t-test). - read more
Repeated Measures ANOVA Introduction. Repeated measures ANOVA is the equivalent of the one-way ANOVA, but for related, not ... | {"url":"http://www.askives.com/repeated-measures-t-test.html","timestamp":"2014-04-18T00:28:10Z","content_type":null,"content_length":"35275","record_id":"<urn:uuid:fcbc7167-692a-48a9-948c-15e7f85ba970>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00425-ip-10-147-4-33.ec2.internal.w... |
An improved inductive definition of two restricted classes of triangulations of the plane
, 1995
"... ... The results of the enumeration were used to systematically search for certain smallest non-Hamiltonian polyhedral graphs. In particular, the smallest non-Hamiltonian planar graphs satisfying
certain toughness-like ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=5169668","timestamp":"2014-04-21T13:54:54Z","content_type":null,"content_length":"20699","record_id":"<urn:uuid:afc42670-f168-44c6-94c9-db8d36bb18f8>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00178-ip-10-147-4-33.ec2.internal.wa... |
Monthly Centering and Climate Sensitivity
In our recent discussion of Dessler v Spencer, UC raised monthly centering as an issue in respect to the regressions of TOA flux against temperature. Monthly centering is standard practice in this
branch of climate science (e.g. Forster and Gregory 2006, Dessler 2010), where it... | {"url":"http://climateaudit.org/2011/09/28/monthly-centering-and-climate-sensitivity/","timestamp":"2014-04-21T09:50:09Z","content_type":null,"content_length":"391812","record_id":"<urn:uuid:f42fd90e-83dd-4d7c-8211-95157aac7eec>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00112-ip-... |
Click here to see the number of accesses to this library.
file readme
for overview of fmm
file decomp.f decomp.f plus dependencies
for decomposes a matrix by Gaussian elimination and estimates the
, condition of the matrix
prec double
file solve.f
for solution of linear system, A*x = b, d... | {"url":"http://netlib.org/fmm/","timestamp":"2014-04-16T08:02:34Z","content_type":null,"content_length":"2128","record_id":"<urn:uuid:5e35e2cf-d056-4ebc-a6ed-1a238b7400e0>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00033-ip-10-147-4-33.ec2.internal.warc.gz"} |
Machinist Calculator
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Machinist Calculator
Machinist Calculator has been developed to quickly solve common machine shop math problems such as trigonometry, speeds and feeds, bolt circles, and much more. Get your free demo now. Apps for
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Ronks Math Tutor
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DOCUMENTA MATHEMATICA, Vol. 17 (2012), 271-311
DOCUMENTA MATHEMATICA
, Vol. 17 (2012), 271-311
Vesna Stojanoska
Duality for Topological Modular ... | {"url":"http://www.kurims.kyoto-u.ac.jp/EMIS/journals/DMJDMV/vol-17/10.html","timestamp":"2014-04-18T16:07:40Z","content_type":null,"content_length":"2067","record_id":"<urn:uuid:eac6c32c-a145-43e5-b24f-8f2c42502134>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00146-ip-10-147-4-33.... |
Logical Paradoxes
Logic is a powerful tool; it can be used to discern and to discover truth. Sometimes, though, this tool falls into the hands of those who would abuse it.
Armed with the laws of logic and a few simple, plausible, and apparently harmless assumptions, philosophers can construct proofs of the most absurd ... | {"url":"http://www.logicalparadoxes.info/","timestamp":"2014-04-16T13:56:38Z","content_type":null,"content_length":"7463","record_id":"<urn:uuid:6504f09a-170c-4adf-a517-1a3554632431>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00501-ip-10-147-4-33.ec2.internal.warc.gz"} |
Diffusion Equation Analytic Solution Model
written by Dieter Roess
The Diffusion Equation Analytic Solution Model shows the analytic solution of the one dimensional diffusion equation. A delta pulse at the origin is set as the initial function. This setup
approximately models the temperature increase in a thin, long ... | {"url":"http://www.compadre.org/portal/items/detail.cfm?ID=11522&Attached=1","timestamp":"2014-04-17T04:13:20Z","content_type":null,"content_length":"36720","record_id":"<urn:uuid:c6e572b9-4260-42e8-b32f-6f28d96fe269>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00103-ip-10-147-4-33.... |
Microwave filters
Updated April 18, 2014
Click here to go to a page that explains filter schematic symbols (link fixed thanks to Rhian!)
Click ... | {"url":"http://www.microwaves101.com/encyclopedia/filters.cfm","timestamp":"2014-04-19T10:18:26Z","content_type":null,"content_length":"29877","record_id":"<urn:uuid:8317581b-5821-415b-b0cf-e7f4aed8ff85>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00424-ip-10-147-4-33.ec2.internal.... |
It's the Friday Puzzle!
It’s the Friday Puzzle!
Please do NOT post your answers, but do say if you think you have solved the puzzles and how long it took. Solution on Monday.
John weights much more than 20 stone. He goes to the shops to buy some scales, but the scales there only go up to 20 stone. However, he comes u... | {"url":"http://richardwiseman.wordpress.com/2013/03/15/its-the-friday-puzzle-203/","timestamp":"2014-04-18T16:39:45Z","content_type":null,"content_length":"109738","record_id":"<urn:uuid:3cfbdfa1-8949-4292-b641-fad6f19f2159>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00441-ip-10-1... |
Gary's Nautical Information
The middle or mid latitude (Lm) between two places on the same side of the equator is half the sum of their latitudes. Mid latitude is labeled N or S to indicate whether it is north or south of the
equator. The expression is occasionally used with reference to two places on opposite sides of... | {"url":"http://nauticalinformation.blogspot.com/2008/01/explaination-of-mid-latitude-sailing.html","timestamp":"2014-04-21T07:19:13Z","content_type":null,"content_length":"93608","record_id":"<urn:uuid:345e127a-77b0-4e53-95af-416cb31943ac>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005... |
categories: Topos theory and large cardinals
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categories: Topos theory and large cardinals
Andrej Bauer asked whether large cardinals other than inaccessible ones
have a natural definition in topos theory. Indeed, like most questions
of set theo... | {"url":"http://facultypages.ecc.edu/alsani/ct99-00(8-12)/msg00128.html","timestamp":"2014-04-21T08:24:40Z","content_type":null,"content_length":"6560","record_id":"<urn:uuid:da355fff-6305-477e-808d-343f20183cb5>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00239-ip-10-147-4-33.ec2.i... |
(Angle-Angle) Similarity
AA (Angle-Angle) Similarity
In two triangles, if two pairs of corresponding angles are congruent, then the triangles are similar.
(Note that if two pairs of corresponding angles are congruent, then it can be shown that all three pairs of corresponding angles are congruent, by the Angle Sum Theo... | {"url":"http://hotmath.com/hotmath_help/topics/aa-similarity.html","timestamp":"2014-04-17T06:45:10Z","content_type":null,"content_length":"4420","record_id":"<urn:uuid:4b9e1b1a-35e2-4ac1-81ef-aeb108cdb288>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00264-ip-10-147-4-33.ec2.interna... |
free simplify exponential expressions worksheets
Google visitors found us today by entering these math terms:
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Second order system by using matlab, system of linear inequalities free onli... | {"url":"http://softmath.com/math-com-calculator/graphing-inequalities/free-simplify-exponential.html","timestamp":"2014-04-21T12:39:55Z","content_type":null,"content_length":"156078","record_id":"<urn:uuid:09626ee9-f261-4913-a276-57f67feb38f8>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-201404230... |
This module provides functions useful for implementing new MonadRandom and RandomSource instances for state-abstractions containing StdGen values (the pure pseudorandom generator provided by the
System.Random module in the "random" package), as well as instances for some common cases.
data StdGen
The StdGen instance of... | {"url":"http://hackage.haskell.org/package/random-source-0.3.0.6/docs/Data-Random-Source-StdGen.html","timestamp":"2014-04-17T05:51:00Z","content_type":null,"content_length":"14692","record_id":"<urn:uuid:ef9c2869-3014-4125-8154-3fd601fb53fa>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-2014041600... |
Entanglement witness
From Wikipedia, the free encyclopedia
In quantum information theory, an entanglement witness is a functional which distinguishes a specific entangled state from separable ones. Entanglement witnesses can be linear or nonlinear
functionals of the density matrix. If linear, then they can also be view... | {"url":"http://www.territorioscuola.com/wikipedia/en.wikipedia.php?title=Entanglement_witness","timestamp":"2014-04-21T14:59:19Z","content_type":null,"content_length":"71075","record_id":"<urn:uuid:d34241bb-1e61-4f5f-a5f0-b2c277ff7995>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00... |
Matches for:
DIMACS: Series in Discrete Mathematics and Theoretical Computer Science
1995; 441 pp; hardcover
Volume: 20
ISBN-10: 0-8218-0239-9
ISBN-13: 978-0-8218-0239-7
List Price: US$119
Member Price: US$95.20
Order Code: DIMACS/20
This book grew out of the fourth Special Year at DIMACS, which was devoted to the su... | {"url":"http://ams.org/bookstore-getitem/item=DIMACS-20","timestamp":"2014-04-16T19:31:51Z","content_type":null,"content_length":"15943","record_id":"<urn:uuid:9665873e-3db4-4924-8fc8-a9f3faf8f46f>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00110-ip-10-147-4-33.ec2.internal.warc.g... |
Griffith, CA Precalculus Tutor
Find a Griffith, CA Precalculus Tutor
...I use pictures, colors, and graphs to make the subject easy to understand and fun. I have played the piano for over 30 years and I have tutored students in beginning piano. I am a patient,
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Decimal Fractions
Terminating Decimals and Repeating Decimals
Explain the meaning of the values stated in the following sentence.
The gas can has a capacity of 4.17 gallons and weighs 3.4 pounds.
The values represent four and seventeen hundredths and three and four-tenths. In other words, the decimals are another way t... | {"url":"http://web.mnstate.edu/peil/MDEV102/U3/S26/S26_print.html","timestamp":"2014-04-19T14:40:33Z","content_type":null,"content_length":"19883","record_id":"<urn:uuid:ab18a382-36de-4825-9e96-eb98c55e4be7>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00268-ip-10-147-4-33.ec2.inter... |
Orthogonal Drawings with Few Layers
Biedl, Therese and Johansen, John and Shermer, Thomas and Wood, David R. (2002) Orthogonal Drawings with Few Layers. In: Graph Drawing 9th International Symposium, GD 2001, September 23-26, 2001,
Vienna, Austria , pp. 297-311 (Official URL: http://dx.doi.org/10.1007/3-540-45848-4_24)... | {"url":"http://gdea.informatik.uni-koeln.de/517/","timestamp":"2014-04-18T06:20:29Z","content_type":null,"content_length":"40151","record_id":"<urn:uuid:35dba06e-7d44-48c7-b890-6d2170b63294>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00646-ip-10-147-4-33.ec2.internal.warc.gz"} |
Geometry: Measurements
The perimeter of a circle is called a special name other than perimeter: circumference. The circumference of a circle is the length of the curve that encloses that circle. A circle is defined by only
two things: its center and its radius. Two circles with the same center and the same radius are t... | {"url":"http://www.sparknotes.com/math/geometry2/measurements/section2.rhtml","timestamp":"2014-04-18T18:18:53Z","content_type":null,"content_length":"52627","record_id":"<urn:uuid:9d1200c1-28b3-45e8-92a3-73e2a9f1528e>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00134-ip-10-147-4-33... |
Making a hole in a Fermi sea
It is not uncommon in physics that a simple, straightforward question requires the development of considerable theoretical machinery and intuition before an answer is approached. Such an elementary
question is the following: In an infinitely extended, noninteracting ideal Fermi gas, how doe... | {"url":"http://physics.aps.org/synopsis-for/print/10.1103/PhysRevLett.106.150402","timestamp":"2014-04-17T07:29:02Z","content_type":null,"content_length":"4358","record_id":"<urn:uuid:defe7d7b-f90b-43e8-8d82-5eaabc65561c>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00078-ip-10-147-... |
Industrial Mathematics Project for High School Students
Industrial Mathematics Project for High School Students - Standards
Follow the links below to see how these projects are aligned with established educational standards.
The industrial mathematics projects were designed with educational standards in mind: they can ... | {"url":"http://www.wpi.edu/academics/math/CIMS/IMPHSS/standards.html","timestamp":"2014-04-18T08:01:50Z","content_type":null,"content_length":"7410","record_id":"<urn:uuid:9b0c92eb-0f2a-49aa-a0aa-d35b4d725820>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00104-ip-10-147-4-33.ec2.int... |
Radioactive decay formula
Wouldn't there have to be a negative sign in there somewhere >_>
I believe you have to use integrals to solve that, which I haven't done yet.
yeah it should have a minus sign, good! :-)
Solving this:
[tex] \int N ^{-1}dN = - \int \lambda dt [/tex]
[tex] \ln(N(t)) - \ln(N(0)) = -\lambda t [/tex... | {"url":"http://www.physicsforums.com/showthread.php?t=238914","timestamp":"2014-04-20T14:16:31Z","content_type":null,"content_length":"50961","record_id":"<urn:uuid:3bdb74f0-be70-4be9-a33d-42e5de52124e>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00625-ip-10-147-4-33.ec2.internal.w... |
A general Lipschtiz potential can be specified by a Gibbs specification ?
up vote 3 down vote favorite
I want to consider one-dimensional system on the lattice $\mathbb{L}=\mathbb{N}$. Let be $A:(\mathbb{S}^1)^{\mathbb{L}}\to\mathbb{R}$ a lipschtiz potential. Consider the Ruelle operator $$ \mathcal
{L}_{A}(\psi)(x)=\i... | {"url":"http://mathoverflow.net/questions/66845/a-general-lipschtiz-potential-can-be-specified-by-a-gibbs-specification","timestamp":"2014-04-20T13:37:43Z","content_type":null,"content_length":"49169","record_id":"<urn:uuid:d0a16820-e079-4177-8570-4b253b157375>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc... |
pros and cons of counseling theoretical approaches
d33007 vg31 diagram
free articles on nursing education and theoretical frameworks
theoretical framework about accounting system
theoretical yield vs experimental yield physics
florida game breed pitbulls
theoretical value for albumin heat combustion
careers involving t... | {"url":"http://mainecooncat-norwegianforestcat.com/backbone-pros-and-cons-of-counseling-theoretical-approaches/","timestamp":"2014-04-16T07:31:17Z","content_type":null,"content_length":"23214","record_id":"<urn:uuid:e0ff2487-ff16-4c5b-a518-80ad5b7efe4d>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN... |
Is there any known condition for the following property?
up vote 0 down vote favorite
For a mapping $f: \Omega\to \bf{R}^n$, what kind of condition ensures that the one-dimensional Hausdorff measure of $f^{-1}(E)$ is zero whenever $E$ is of zero one-dimensional Hausdorff measure zero.
Note that f is not assumed to be a... | {"url":"http://mathoverflow.net/questions/115504/is-there-any-known-condition-for-the-following-property?sort=votes","timestamp":"2014-04-20T08:32:24Z","content_type":null,"content_length":"57110","record_id":"<urn:uuid:888b7e15-5323-4e77-830d-94a10d482c55>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-... |
Srinivasa Ramanujan
Ramanujan’s life is full of strange contrasts. He had no formal training in mathematics but yet “he was a natural mathematical genius, in the class of Gauss and Euler.” Probably Ramanujan’s life has
no parallel in the history of human thought. Godfrey Harold Hardy, (1877-1947), who made it possible ... | {"url":"http://www.vigyanprasar.gov.in/scientists/Ramanujan.HTM","timestamp":"2014-04-19T17:15:09Z","content_type":null,"content_length":"28728","record_id":"<urn:uuid:221deb2a-97a0-4e86-9735-c5b3a3d147e7>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00647-ip-10-147-4-33.ec2.internal... |
The awesome power of Bayesian Methods - What they didn't teach you in grad school. Part I
For all the things we learned in grad school, Bayesian methods was something that was skimmed over. Strange too, as we learned all the computationally machinery necessary, but we were never actually
shown the power of these metho... | {"url":"http://camdp.com/blogs/awesome-power-ibayesian-methodsi-what-they-didnt-t","timestamp":"2014-04-20T15:51:49Z","content_type":null,"content_length":"91583","record_id":"<urn:uuid:b323a05c-a90e-4110-85bd-27ef8da4ac79>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00154-ip-10-14... |
Finding trig functions with one known function
September 9th 2009, 02:02 PM
Finding trig functions with one known function
I have a review packet that will be almost exactly like a test I will have and I'm stuck on some problems and here is one that is like the rest:
If sin0= -4/7 and cos0 > 0, find sec0
I'... | {"url":"http://mathhelpforum.com/pre-calculus/101378-finding-trig-functions-one-known-function-print.html","timestamp":"2014-04-20T23:32:19Z","content_type":null,"content_length":"8268","record_id":"<urn:uuid:81ddc252-9974-4ab8-adab-55cde2fbc958>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-201404... |
Jersey Vlg, TX Algebra 2 Tutor
Find a Jersey Vlg, TX Algebra 2 Tutor
...I received the AP Scholar award, became a member of the California Scholarship Federation, and received the scholarship athlete award. I have my soccer coaching license and have coached middle
and high school teams. I gained tutoring experience... | {"url":"http://www.purplemath.com/jersey_vlg_tx_algebra_2_tutors.php","timestamp":"2014-04-16T10:12:10Z","content_type":null,"content_length":"24195","record_id":"<urn:uuid:22d60058-068a-4036-9ca2-c7366c5738a5>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00105-ip-10-147-4-33.ec2.in... |
Robust statistics. Wiley series in probability and mathematical statistics. Probability and mathematical statistics
Results 1 - 10 of 14
- IEEE Trans. on Signal Processing , 1996
"... Source separation consists in recovering a set of independent signals when only mixtures with unknown coefficients are observed. This pa... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=517415","timestamp":"2014-04-16T22:59:07Z","content_type":null,"content_length":"38820","record_id":"<urn:uuid:8b25bdbc-c82f-4c89-9ddf-6d0537e1a07c>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00172-ip-10-147-4-33.ec2.internal.warc... |
The concept of probability is fairly easy to grasp. Probability is an indicator or a numerical measure of the LIKELIHOOD that an event will occur. Thus, probabilities could be used as measures of the
degree of uncertainty associated with events associated with the game of blackjack for which, as a player, you need to m... | {"url":"http://how-to-win-at-blackjack.org/","timestamp":"2014-04-21T00:39:47Z","content_type":null,"content_length":"34704","record_id":"<urn:uuid:f1637114-bc2f-4726-ad8e-d65f1a7e6956>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00184-ip-10-147-4-33.ec2.internal.warc.gz"} |
Power in electric circuits
In addition to voltage and current, there is another measure of free electron activity in a circuit: power. First, we need to understand just what power is before we analyze it in any circuits.
Power is a measure of how much work can be performed in a given amount of time. Work is generally d... | {"url":"http://www.allaboutcircuits.com/vol_1/chpt_2/3.html","timestamp":"2014-04-17T01:10:29Z","content_type":null,"content_length":"17413","record_id":"<urn:uuid:71f372ad-8011-4e56-afdd-11d5bc795544>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00017-ip-10-147-4-33.ec2.internal.war... |
Autoduality and Fourier-Mukai for compactified Jacobians
Margarida Melo, October 22nd, 2013
Among Abelian varieties, Jacobians of smooth curves C have the important property of
being autodual, i.e., they are canonically isomorphic to their dual abelian variety. This
is equivalent to the existence of a Poincare line bun... | {"url":"http://cims.nyu.edu/~zakharov/f13melo.html","timestamp":"2014-04-21T02:32:34Z","content_type":null,"content_length":"1353","record_id":"<urn:uuid:916772e8-45cf-43c6-afe5-4a881698eab4>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00105-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mathematical Physics
Twistors- What are they? - A set of notes introducing spinors and twistors.
Dimensional Analysis - A simple review of the powerful technique of dimensional analysis.
Mathematical Methods I - This site contains the complete lecture notes and homework sets for PHYCS498MMA, a course of mat... | {"url":"http://www.bazsites.com/Science/Physics/MathematicalPhysics/","timestamp":"2014-04-18T13:08:38Z","content_type":null,"content_length":"12103","record_id":"<urn:uuid:0378f9da-4136-4cb7-9942-fc21a80bc302>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00366-ip-10-147-4-33.ec2.in... |
inverse normal table
Best Results From Wikipedia Yahoo Answers Youtube
From Wikipedia
Contingency table
In statistics, a contingency table (also referred to as cross tabulationor cross tab) is often used to record and analyze the relation between two or morecategorical variables. It displays the
(multivariate) frequenc... | {"url":"http://www.edurite.com/kbase/inverse-normal-table","timestamp":"2014-04-16T07:20:31Z","content_type":null,"content_length":"87362","record_id":"<urn:uuid:892a543d-9efa-4c06-8684-7a5c403533bb>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00486-ip-10-147-4-33.ec2.internal.warc... |
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Axisymmetric bubble collapse in a quiescent liquid pool. I. Theory and numerical simulations
(a) Numerical shapes of an axisymmetric bubble formed from a vertical underwater nozzle for . Note that, at a le... | {"url":"http://scitation.aip.org/content/aip/journal/pof2/20/11/10.1063/1.3009297","timestamp":"2014-04-19T10:27:41Z","content_type":null,"content_length":"114088","record_id":"<urn:uuid:2885ede7-f4c4-440f-8988-a63c2f76fc9b>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00474-ip-10-1... |
Surjectivity of a homomorphism between Picard groups
up vote 3 down vote favorite
Let $X$ be a one-dimensional Noetherian scheme over an algebraically closed field $k$. Suppose $X$ is reduced and let $X=\bigcup X_i$ be the composition of $X$ into irreducible components. Then, is
the following homomorphism surjective?
$... | {"url":"http://mathoverflow.net/questions/57405/surjectivity-of-a-homomorphism-between-picard-groups?sort=newest","timestamp":"2014-04-18T06:04:11Z","content_type":null,"content_length":"54642","record_id":"<urn:uuid:802bcf0e-5ccc-4503-a155-4709f1416f04>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAI... |
Sparse coding for the jvm?
Are there any efficient implementations of sparse coding (that is, minimizing (1/2)||Ax - b||^2 + lambda ||x||_1) for the JVM?
asked Jan 26 '12 at 09:53
Alexandre Passos ♦
After failing to find a public one I wrote my own and put it in a gist.
answered Jan 26 '12 at 10:57
Alexandre Pass... | {"url":"http://metaoptimize.com/qa/questions/8846/sparse-coding-for-the-jvm?sort=oldest","timestamp":"2014-04-17T12:41:15Z","content_type":null,"content_length":"16452","record_id":"<urn:uuid:8696b2f6-1fb2-45e3-a160-335b95c778b1>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00069-ip... |
moduli space and modularity
up vote 3 down vote favorite
I recently realized some kind of analogy when considering modularity results (such as the modularity of elliptic curves over Q). The analogy comes from algebraic groups. Take one point (say, the
origin) of an algebraic group, then something over the one point (fo... | {"url":"http://mathoverflow.net/questions/12380/moduli-space-and-modularity?sort=votes","timestamp":"2014-04-21T13:07:10Z","content_type":null,"content_length":"62666","record_id":"<urn:uuid:27cb013f-2bdb-41a2-9d89-aefc420a0dd6>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00663-ip-... |
Convergence Craziness
May 19th 2009, 01:15 PM #1
Senior Member
Apr 2009
Atlanta, GA
Convergence Craziness
Take some infinite subset of natural numbers $A \subset \mathbb{N}$ . Define $\sigma_A= \sum_{n\in A} \frac{1}{n}$ . For some sets A, $\sigma$ diverges, like the primes $P=\{2,3,5,7,11,13...\}$
and ... | {"url":"http://mathhelpforum.com/number-theory/89693-convergence-craziness.html","timestamp":"2014-04-19T00:21:09Z","content_type":null,"content_length":"101805","record_id":"<urn:uuid:bb49a4fb-e9b7-41b3-b063-f91d9cbe8af4>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00478-ip-10-147-... |
Re: st: Statistical/Stata question
From Richard Williams <Richard.A.Williams.5@nd.edu>
To statalist@hsphsun2.harvard.edu
Subject Re: st: Statistical/Stata question
Date Tue, 17 Feb 2004 22:03:59 -0500
It isn't silly at all. In effect, you are forcing the first two categories (1 and 2) to have exactly the sam... | {"url":"http://www.stata.com/statalist/archive/2004-02/msg00472.html","timestamp":"2014-04-21T02:10:53Z","content_type":null,"content_length":"8576","record_id":"<urn:uuid:9d8c55fd-3cdf-462b-b954-c5faa1746168>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00481-ip-10-147-4-33.ec2.int... |
Difference between interaction and interference of QM systems
Suppose I have n identical quantum mechanical systems [latex]\mathcal{H}[/latex] isolated from each other. It is a postulate of quantum mechanics that the states of this composite system are
described by rays in the tensor product space [latex]\mathcal{H}^{\... | {"url":"http://www.physicsforums.com/showthread.php?t=224839","timestamp":"2014-04-21T14:46:18Z","content_type":null,"content_length":"22736","record_id":"<urn:uuid:e64cf6c4-f2eb-4c33-bc75-c50eb349a9b2>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00190-ip-10-147-4-33.ec2.internal.wa... |
Evaluating a New Equipment Purchase
1. 341884
Evaluating a New Equipment Purchase
Please use Excel for this question so that the solution can be displayed in a clear and organized manner.
Your company is evaluating new equipment that will cost $1,000,000. The equipment is in the MACRS 3-year class and will be sold aft... | {"url":"https://brainmass.com/business/net-present-value/341884","timestamp":"2014-04-21T04:33:19Z","content_type":null,"content_length":"26690","record_id":"<urn:uuid:b87c15bf-4fa6-41be-9fce-390363bc67f2>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00145-ip-10-147-4-33.ec2.interna... |
1. Introduction2. General Description of the Study Area3. Data Treatments and Methodology3.1. Data Processing3.1.1. The Generalization of the Topology and Terrains3.1.2. Generalization from Basic Information on Urbanization Process3.1.3. Generalization of the Water Discharge Systems3.2. Methodology3.2.1. Construction o... | {"url":"http://www.mdpi.com/1660-4601/9/6/2057/xml","timestamp":"2014-04-20T16:43:22Z","content_type":null,"content_length":"87099","record_id":"<urn:uuid:fce7a2fe-4c42-4348-b9ba-3056a2d6cb0a>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00009-ip-10-147-4-33.ec2.internal.warc.gz"} |