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Tau versus Pi - Mathematics
It has been proposed that Pi should be replaced with the Tau for mathematical purposes. The Tau has twice the value of Pi. The reasoning behind this change seems to be that it would simplify many
formulae since"2*Pi" is much more common in formulae than Pi on its own.
This certainly seems to... | {"url":"http://www.scienceforums.net/topic/58135-tau-versus-pi/","timestamp":"2014-04-20T21:44:57Z","content_type":null,"content_length":"127901","record_id":"<urn:uuid:0c467103-ca45-4a81-91a7-74af82015f84>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00035-ip-10-147-4-33.ec2.intern... |
Special Notation
$d,k,m,n$ positive integers (unless otherwise indicated).
$d\divides n$ $d$ divides $n$.
$\left(m,n\right)$ greatest common divisor of $m,n$. If $\left(m,n\right)=1$, $m$ and $n$ are called relatively prime, or cop... | {"url":"http://dlmf.nist.gov/27.1","timestamp":"2014-04-19T19:59:20Z","content_type":null,"content_length":"24101","record_id":"<urn:uuid:7aae57dc-3bcb-4c42-acd4-f14e97f47449>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00591-ip-10-147-4-33.ec2.internal.warc.gz"} |
Two months ago, we talked about something called Win Probability, and we followed up with a couple of Win Probability Added (WPA) bullpen articles, Team Bullpens and Ranking the Relievers of 2004.
WPA and bullpens are a match made in baseball statistics heaven, because WPA can tell you much more about relievers than th... | {"url":"http://www.hardballtimes.com/closer/","timestamp":"2014-04-18T11:00:27Z","content_type":null,"content_length":"51406","record_id":"<urn:uuid:fb19d247-baad-4223-899e-be02d8dc3db0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00477-ip-10-147-4-33.ec2.internal.warc.gz"} |
Dear Reddit, if you HAD to choose a gif to be trapped in for the rest of time, which gif would it be? (self.AskReddit)
submitted ago by drinkingfor2
sorry, this has been archived and can no longer be voted on
Like the title says, if you had to choose a gif to be stuck in for the rest of time (or maybe just a really lon... | {"url":"http://www.reddit.com/r/AskReddit/comments/z8mqf/dear_reddit_if_you_had_to_choose_a_gif_to_be/","timestamp":"2014-04-21T11:24:35Z","content_type":null,"content_length":"693129","record_id":"<urn:uuid:d1c48a56-be1a-4a35-a4e3-e8d1406d8922>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423... |
Input: is the tracking result of prior frame, is set of
candidate samples credible positions of the center-point coordinates in next
frame. is Over-complete dictionary, is frame numbers.
(1) for
(2) SRGC
calculate =
(3) calculate identity; where ,
(4) obtaining the center point from
(5) obtaining the by and Affine tran... | {"url":"http://www.hindawi.com/journals/aaa/2013/323072/alg1/","timestamp":"2014-04-21T08:50:04Z","content_type":null,"content_length":"93700","record_id":"<urn:uuid:cb5c0406-6d96-45ae-942f-b753ed25e777>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00192-ip-10-147-4-33.ec2.internal.... |
[Lapack] BUG IN DBDSQR
LAPACK Archives
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[Lapack] BUG IN DBDSQR
From: Kinji Kimura
Date: Wed, 02 May 2012 15:... | {"url":"http://icl.cs.utk.edu/lapack-forum/archives/lapack/msg01294.html","timestamp":"2014-04-16T16:38:42Z","content_type":null,"content_length":"7497","record_id":"<urn:uuid:61283f17-da07-43b1-8622-2b58fd812e01>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00322-ip-10-147-4-33.ec2... |
Comments on On Bicycles, and.... what else is there?: Calculating Net Climbing and DescendingI'm not sure that sum of delta z approximation...
01484858820878605035noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1564958057737541664.post-8522471860256115152010-11-14T00:02:54.234-08:002010-11-14T00:02:54.234-0... | {"url":"http://djconnel.blogspot.com/feeds/8686903226731170389/comments/default","timestamp":"2014-04-16T07:14:10Z","content_type":null,"content_length":"4397","record_id":"<urn:uuid:5769075d-c459-47f3-9124-778e44b376e6>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00042-ip-10-147-4-... |
Plotting convergent series
June 29th 2010, 07:22 AM #1
Jun 2010
Plotting convergent series
I am working with convergent series, and I need to plot each calculation of a loop, against the number of the loop. Rather than post my code in here, I thought I'd post a more basic code, and
then I can re-arrange any... | {"url":"http://mathhelpforum.com/math-software/149690-plotting-convergent-series.html","timestamp":"2014-04-17T05:03:11Z","content_type":null,"content_length":"31895","record_id":"<urn:uuid:b3bbabb3-f64b-4f02-8fb8-b8232e0572e4>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00586-ip-1... |
Got Homework?
Connect with other students for help. It's a free community.
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Select the system of equations that corresponds to the given g... | {"url":"http://openstudy.com/updates/501ef713e4b0be43870f31e2","timestamp":"2014-04-21T12:26:48Z","content_type":null,"content_length":"33525","record_id":"<urn:uuid:37e6beef-88ad-4e67-bbac-2ef718d607b4>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00204-ip-10-147-4-33.ec2.internal.... |
MathGroup Archive: January 2005 [00174]
[Date Index] [Thread Index] [Author Index]
Re: FullSimplify on Hyperbolic Functions
• To: mathgroup at smc.vnet.net
• Subject: [mg53389] Re: [mg53383] FullSimplify on Hyperbolic Functions
• From: ... | {"url":"http://forums.wolfram.com/mathgroup/archive/2005/Jan/msg00174.html","timestamp":"2014-04-19T09:41:24Z","content_type":null,"content_length":"36757","record_id":"<urn:uuid:419d6b12-eecf-4328-a802-a3ee94bdd3ec>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00344-ip-10-147-4-33.e... |
A profile of the Computational Science Program
Take a look at what past grads from Witt have done with their majors – internships, grad school programs, and first jobs after graduation. It’s not always as cut and dried as you think; a Liberal
Arts degree has a lot of flexibility!
What Past Witt Computational Science S... | {"url":"http://www5.wittenberg.edu/print/administration/careers/majors/depts/computationalsci.html","timestamp":"2014-04-21T04:46:12Z","content_type":null,"content_length":"15426","record_id":"<urn:uuid:53c967f7-c14e-4211-adfc-1eb876a000d2>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-2014042303200... |
Using Mathematics to Understand the Brain and Describing the Brain to Understand Mathematics
Mathematics is a powerful tool for solving problems in the world around us. Using very abstract models we are able to describe and predict the sometimes very complex behaviors of people, markets,
diseases and physical objects. ... | {"url":"http://www.yale.edu/ynhti/curriculum/units/2009/4/09.04.07.x.html","timestamp":"2014-04-17T18:56:30Z","content_type":null,"content_length":"27279","record_id":"<urn:uuid:7818cea9-54ac-45e3-b621-69e481931e79>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00327-ip-10-147-4-33.e... |
Probabilities independent of ZFC?
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
Hi guys,
is it possible to change the probability of an event via forcing? More precisely, is there an innocent lo... | {"url":"http://mathoverflow.net/questions/56990/probabilities-independent-of-zfc?sort=oldest","timestamp":"2014-04-19T15:07:42Z","content_type":null,"content_length":"59278","record_id":"<urn:uuid:27301b3f-147a-4e7f-a333-8ad36da069b9>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-0014... |
Differentiate the following
February 2nd 2009, 03:26 PM #1
Feb 2009
Differentiate the following
i havn't done maths in awhile and when i got back into it ive totally forgot how to do these so if anyone could help me out it will be great
so differentiate the following and simplify where appropriate
y= x^... | {"url":"http://mathhelpforum.com/calculus/71419-differentiate-following.html","timestamp":"2014-04-16T09:03:30Z","content_type":null,"content_length":"32307","record_id":"<urn:uuid:5ce91886-98c5-44c6-b4f2-467e8d26a730>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00430-ip-10-147-4-3... |
Cuboid Perimeters To Volume
For any given cuboid it is possible to measure up to three different perimeters. For example, one perimeter could be measured this way.
Given that cuboid A has perimeters 12, 16, and 20, and cuboid B has perimeters 12, 16, and 24, which cuboid has the greatest volume?
Problem ID: 357 (26 Aug... | {"url":"http://mathschallenge.net/view/cuboid_perimeters_to_volume","timestamp":"2014-04-16T10:45:15Z","content_type":null,"content_length":"4346","record_id":"<urn:uuid:c90e58b7-1040-4a70-a060-05766576830b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00431-ip-10-147-4-33.ec2.intern... |
Glen Echo SAT Math Tutor
Find a Glen Echo SAT Math Tutor
...Trigonometry is all about triangles, that's why I love it! The difficulty lies in the fact that there is so much rote memorization early on with the different trig functions, their graphs,
working with degrees or radians as well as all the different angle ... | {"url":"http://www.purplemath.com/Glen_Echo_SAT_math_tutors.php","timestamp":"2014-04-19T02:05:49Z","content_type":null,"content_length":"24047","record_id":"<urn:uuid:7add1030-75b2-47b9-b8e2-48eb9d6404e4>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00404-ip-10-147-4-33.ec2.interna... |
Rest Mass Versus Relativistic Mass
I can't think of any other concept in physics in which (i) it is as 'well-known' to the general public as it is to physicists and (ii) it causes as much confusion to the general public as it does to
physicists. I'm talking about the concept of "mass" and the infamous Einstein's equati... | {"url":"http://physicsandphysicists.blogspot.com/2009/04/rest-mass-versus-relativistic-mass.html","timestamp":"2014-04-20T15:51:29Z","content_type":null,"content_length":"147898","record_id":"<urn:uuid:4118347e-223d-4ccd-af1e-919c715a271e>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-2014041600521... |
Re: check (constraint) on point data type?
On Jul 24, 2007, at 14:59 , Jill wrote:
> The field is of type 'point', and I'd like it to reject any values
> less than 0 or bigger than 1 (i.e., accept only points with values
> like (0.4, 0.26)).
> Let's say I try to define the upper boundary by doing:
> ALTER TABLE "public... | {"url":"http://www.postgresql.org/message-id/B1357D3E-C00C-4180-B891-57805FA39759@seespotcode.net","timestamp":"2014-04-24T12:45:53Z","content_type":null,"content_length":"14726","record_id":"<urn:uuid:d708031f-a44e-48f7-b52c-f58f0cacc53b>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006... |
Math Forum: Teacher2Teacher - Q&A #3025
View entire discussion
[<< prev] [ next >>]
From: Jacob Keilman <jacob_keilman@hotmail.com>
To: Teacher2Teacher Public Discussion
Date: 2004021022:14:39
Subject: Re: Core Plus Math
This is an essay i sent to my local school board regarding core plus.
I hope that no other district... | {"url":"http://mathforum.org/t2t/discuss/message.taco?thread=3025&n=6","timestamp":"2014-04-17T19:39:03Z","content_type":null,"content_length":"9255","record_id":"<urn:uuid:0d4815d5-bc4f-4ecc-b8aa-36a23b9bf0b9>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00246-ip-10-147-4-33.ec2.int... |
Constructive Proof Homework
March 1st 2009, 08:00 PM #1
Mar 2009
Constructive Proof Homework
I need help proving the following:
If p and q are rational numbers with p<q, then there exists a rational number x such with p<x<q.
Thanks in advanced. It is a constructive proof.
I love you.
March 1st 2009,... | {"url":"http://mathhelpforum.com/number-theory/76466-constructive-proof-homework.html","timestamp":"2014-04-20T16:05:46Z","content_type":null,"content_length":"34690","record_id":"<urn:uuid:cfcbe9f9-31ed-48c5-b787-a6d68d83ab74>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00015-ip-1... |
The official "rate my gear" thread
thought i'd throw my setup in here
hume male, only 1 polearm merit so far, i just dinged 75 a couple weeks ago. i'm usually /sam in parties.
weap - thalassocrat
sub - pole strap
ammo - tiphia
head - wyvern helm
neck - chiv chain
ears - fowling/assault
body - AJ
hands - tarasque +1/pal... | {"url":"http://wow.allakhazam.com/forum.html?forum=249&mid=119832559882273020&p=4","timestamp":"2014-04-19T05:58:00Z","content_type":null,"content_length":"191791","record_id":"<urn:uuid:ea21eeef-d31f-4fba-b2bf-96fbad7a1dad>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00093-ip-10-1... |
Math Help
April 27th 2010, 07:53 PM #1
Oct 2009
Suppose that f and g are functions from a set S to R and that f is continuous at a given number a at which the function g fails to be continuous.
(1) What can be said about the continuity of the function f+g at the number a?
(2) What can be said about the... | {"url":"http://mathhelpforum.com/differential-geometry/141809-continuity.html","timestamp":"2014-04-20T14:07:26Z","content_type":null,"content_length":"34085","record_id":"<urn:uuid:21401d91-8881-4a34-9154-36cf3667d144>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00159-ip-10-147-4-... |
Quantized energy - Photon
San K
is there no minimum value for the quantum?
San K
is frequency quantized?
The frequencies of a system are very often constrained to discrete values.
This is true even in classical mechanics. For instance, the resonant modes of a violin string have discrete frequencies. The boundary co... | {"url":"http://www.physicsforums.com/showthread.php?p=4250423","timestamp":"2014-04-19T15:04:43Z","content_type":null,"content_length":"97713","record_id":"<urn:uuid:bfd50a01-46bd-4fb3-b509-37eb74ef81f2>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00300-ip-10-147-4-33.ec2.internal.w... |
Crypto Functions
This module provides a set of cryptographic functions.
• md5: The MD5 Message Digest Algorithm (RFC 1321)
• sha: Secure Hash Standard (FIPS 180-2)
• hmac: Keyed-Hashing for Message Authentication (RFC 2104)
• des: Data Encryption Standard (FIPS 46-3)
• aes: Advanced Encryption Standard (AES) ... | {"url":"http://www.erlang.org/documentation/doc-5.6.1/lib/crypto-1.5.1.1/doc/html/crypto.html","timestamp":"2014-04-17T04:01:22Z","content_type":null,"content_length":"23507","record_id":"<urn:uuid:b0dba30f-40dd-481e-bccf-dbdbb8e285c0>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00... |
TSQl: Select Current Date - 6 Days and set time to 12:01 AM
up vote 2 down vote favorite
I am trying to get current date - 6 days. That is easy.
Now I am trying to get current date - 6 days + 12:01 AM.
So if today is 3-2-2012 11:14 AM.
I want to get 2-25-2012 12:01 AM
These 2 selects will give me current date - 6, but ... | {"url":"http://stackoverflow.com/questions/9536623/tsql-select-current-date-6-days-and-set-time-to-1201-am?answertab=active","timestamp":"2014-04-18T01:13:34Z","content_type":null,"content_length":"83897","record_id":"<urn:uuid:142ed0d5-fc6c-4869-a16d-0b44b33718e0>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/... |
San Gabriel Algebra Tutor
Find a San Gabriel Algebra Tutor
...I have a good grasp of commonly tested topics, and I have an organized systems based approach of teaching that integrates concepts in both fields. I have previously tutored students in
strategizing for college applications. Based on their GPA and SAT sco... | {"url":"http://www.purplemath.com/san_gabriel_algebra_tutors.php","timestamp":"2014-04-16T04:25:47Z","content_type":null,"content_length":"23769","record_id":"<urn:uuid:e553bec4-7ab8-47bf-b98f-884b711c8b2f>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00206-ip-10-147-4-33.ec2.intern... |
Complex Number Representation
Hi All
I am having a go at a small program to draw a fractal, though I am not sure on how to represent the
imaginary part of the complex number.
Most examples I have seen use a pair of doubles, though I can't see how they are representing i.
The one I am looking at now is coded in C++ as
/... | {"url":"http://www.mathisfunforum.com/viewtopic.php?id=14066","timestamp":"2014-04-21T07:20:09Z","content_type":null,"content_length":"11166","record_id":"<urn:uuid:eed52bc9-5473-42d0-8e0e-66df9a081827>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00478-ip-10-147-4-33.ec2.internal.w... |
[Numpy-discussion] Scalar-ndarray arguments passed to not_equal
Friedrich Romstedt friedrichromstedt@gmail....
Thu Feb 11 14:21:23 CST 2010
Hi Keith,
2010/2/11 Keith Goodman <kwgoodman@gmail.com>:
> Is there some way to tell numpy to use my __eq__ instead of its own?
> That would solve my problem. I had a similar probl... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-February/048508.html","timestamp":"2014-04-16T22:56:02Z","content_type":null,"content_length":"4076","record_id":"<urn:uuid:3c306795-7c7a-42fe-8279-178b8a02b2cd>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00483-ip-10-14... |
Applications of the Ergodic Theorem for Markov Chains
November 22nd 2012, 06:04 AM #1
Apr 2007
Applications of the Ergodic Theorem for Markov Chains
I need help to solve these 2 exercises:
1) A professor has N umbrellas. He walks to the office in the morning and walks home in the evening. If it is raining h... | {"url":"http://mathhelpforum.com/advanced-statistics/208166-applications-ergodic-theorem-markov-chains.html","timestamp":"2014-04-18T06:01:26Z","content_type":null,"content_length":"30223","record_id":"<urn:uuid:ec5670bb-cde5-4728-84ee-f7d91e2bed50>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-201... |
The read function reads input from a string, which must be completely consumed by the input process.
The readFile function reads a file and returns the contents of the file as a string. The file is read lazily, on demand, as with getContents.
The readIO function is similar to read except that it signals parse failure t... | {"url":"http://www.haskell.org/hoogle/?hoogle=read","timestamp":"2014-04-17T10:32:31Z","content_type":null,"content_length":"19333","record_id":"<urn:uuid:af219558-29c3-4f07-8779-e76acaf0ab7e>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00414-ip-10-147-4-33.ec2.internal.warc.gz"} |
Hillside, IL Algebra 2 Tutor
Find a Hillside, IL Algebra 2 Tutor
...I can also help students who are preparing for the math portion of the SAT or ACT. When teaching lessons, I put the material into a context that the student can understand. My goal is to help
all of my students obtain a solid conceptual understandi... | {"url":"http://www.purplemath.com/Hillside_IL_algebra_2_tutors.php","timestamp":"2014-04-17T07:57:06Z","content_type":null,"content_length":"24113","record_id":"<urn:uuid:55e02494-2186-4ff8-a4e8-30ebada93da5>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00648-ip-10-147-4-33.ec2.inter... |
Something to munch on while I take a long, succulent post out of the procrastination oven
I’m convinced that the following diagram means something precise:
My question is, what does it mean?
Intuitively, it means that if your software package can solve SDP’s, then you can easily use it to solve LP’s; if it can solve L... | {"url":"http://www.scottaaronson.com/blog/?p=100","timestamp":"2014-04-20T08:14:40Z","content_type":null,"content_length":"15042","record_id":"<urn:uuid:ec949f0c-05cb-4541-aecd-6098b697feca>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00278-ip-10-147-4-33.ec2.internal.warc.gz"} |
Superposition Solution for Isc
Superposition analysis to find the current through the short means we solve several simpler circuits (one for each source. Since there are three sources, we have three simpler circuits to solve.
In each of these circuits, all sources but one have been deactivated (voltage sources are shor... | {"url":"http://www.calvin.edu/~svleest/circuitExamples/TheveninNorton/thev2.sp.ans.htm","timestamp":"2014-04-16T16:08:44Z","content_type":null,"content_length":"2842","record_id":"<urn:uuid:3e7cb124-c93e-4d5d-91e1-a101f5de3987>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00141-ip-1... |
No non-trivial homomorphism to a group
up vote 0 down vote favorite
Here is a question I posted some months ago in Math.SE, and t.b. mentioned to the following question by Florent MARTIN which is somehow related to my question;
Let $G$ be a compact Hausdorff topological group, and let $H$ be a torsion-free group satisf... | {"url":"http://mathoverflow.net/questions/83913/no-non-trivial-homomorphism-to-a-group?sort=newest","timestamp":"2014-04-18T02:58:49Z","content_type":null,"content_length":"57441","record_id":"<urn:uuid:07d63745-a7f1-4766-8a2e-34d158751e79>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-201404160052... |
This data set contains the investigator-selected Key Parameters from the Magnetic Field instrument (MGF) on Geotail, as made available via NSSDC's interactive WWW interface CDAWeb. Selected
references: Kokubun, S., et al., Magnetic field measurement (MGF), In Geotail Prelaunch Report, SES-TD-92-007SY, Institute of Spac... | {"url":"http://vmo.igpp.ucla.edu/search/search.jsx?facet=(observatorytype:Spacecraft+AND+observatoryname:(Geotail))","timestamp":"2014-04-19T10:09:51Z","content_type":null,"content_length":"131177","record_id":"<urn:uuid:adaa9201-229c-4fd1-809d-01d2b1d0fa1a>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC... |
Devon Precalculus Tutor
Find a Devon Precalculus Tutor
...I am currently solidifying my Attic Greek. With this knowledge, and with a good knowledge of many of the texts that come out of Ancient Greece (Homer, the Tragedians, Plato, Aristotle, and
philosophy and math generally), I could proficiently tutor introducto... | {"url":"http://www.purplemath.com/Devon_Precalculus_tutors.php","timestamp":"2014-04-18T21:50:47Z","content_type":null,"content_length":"23740","record_id":"<urn:uuid:f7908755-f9e0-4b2d-a1eb-42b0539fd655>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00628-ip-10-147-4-33.ec2.internal.... |
Hillside, IL Algebra 2 Tutor
Find a Hillside, IL Algebra 2 Tutor
...I can also help students who are preparing for the math portion of the SAT or ACT. When teaching lessons, I put the material into a context that the student can understand. My goal is to help
all of my students obtain a solid conceptual understandi... | {"url":"http://www.purplemath.com/Hillside_IL_algebra_2_tutors.php","timestamp":"2014-04-17T07:57:06Z","content_type":null,"content_length":"24113","record_id":"<urn:uuid:55e02494-2186-4ff8-a4e8-30ebada93da5>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00648-ip-10-147-4-33.ec2.inte... |
Composite function by definition
April 27th 2010, 10:33 AM #1
Sep 2009
Composite function by definition
I found this expression on Wikipedia:
If $f: X \rightarrow Y$, then $f \circ id_X = id_Y \circ f$,
where $id_X$ and $id_Y$ are identity functions.
I wanted to see whether it's true. So I rewrite t... | {"url":"http://mathhelpforum.com/discrete-math/141723-composite-function-definition.html","timestamp":"2014-04-19T02:36:44Z","content_type":null,"content_length":"43088","record_id":"<urn:uuid:cfcf1c7f-d4fc-4eda-bebe-3ff761cd5a7a>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00386-ip... |
Math Help
What have you tried? Can you use L'Hopital's rule? -Dan
If you're allowed to use L'Hospital's Rule, use it. If not, rewrite it as \displaystyle \begin{align*} \frac{\tan{(x)} - \sin{(x)}}{x^3} &= \frac{\tan{(x)}}{x^3} - \frac{\sin{(x)}}{x^3} \\ &= \frac{\
sin{(x)}}{x^3\cos{(x)}} - \frac{\sin{(x)}}{x^3} \\ &=... | {"url":"http://mathhelpforum.com/calculus/222445-limit.html","timestamp":"2014-04-16T07:51:48Z","content_type":null,"content_length":"61216","record_id":"<urn:uuid:15c09d3c-814f-423e-b044-d2b0e8a1945b>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00272-ip-10-147-4-33.ec2.internal.wa... |
Marana Algebra 2 Tutor
Find a Marana Algebra 2 Tutor
...I hope to hear from you soon!I have tutored students in this subject for the last seven years in a classroom setting. I feel comfortable tutoring this subject. I am qualified to tutor in study
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Zentralblatt MATH
Publications of (and about) Paul Erdös
Zbl.No: 811.11014
Autor: Erdös, Paul; Sárközy, A.; Sós, T.
Title: On sum sets of Sidon sets. I. (In English)
Source: J. Number Theory 47, No.3, 329-347 (1994).
Review: For a finite o... | {"url":"http://www.emis.de/classics/Erdos/cit/81111014.htm","timestamp":"2014-04-20T18:50:15Z","content_type":null,"content_length":"6559","record_id":"<urn:uuid:fb9a4d31-6f08-4839-b437-5bb3d9a98692>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00279-ip-10-147-4-33.ec2.internal.warc... |
Surface Areas of Complex Shapes - Mathematics
Surface Areas of Complex Shapes
This chapter explores surface areas of complex shapes. The objectives of this chapter are being able to calculate the surface areas of pyramids, cones and spheres and simple combinations of these
solids. No prior knowledge is required for thi... | {"url":"http://mathematicsi.com/surface-areas-of-complex-shapes/","timestamp":"2014-04-20T23:31:47Z","content_type":null,"content_length":"68793","record_id":"<urn:uuid:2071c254-6749-4cf7-b3ed-3d23e7b516da>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00145-ip-10-147-4-33.ec2.intern... |
Pico Heights, CA Math Tutor
Find a Pico Heights, CA Math Tutor
...My approach to chemistry involves two techniques, which I describe below. When approaching problem-solving chemistry, you need to put pencil to paper and try different approaches. Often, it's
not use to attempt to figure out the best approach in adva... | {"url":"http://www.purplemath.com/pico_heights_ca_math_tutors.php","timestamp":"2014-04-21T15:03:33Z","content_type":null,"content_length":"24173","record_id":"<urn:uuid:cbbcf3e3-7f25-4bf2-b1cf-7f1b7874095b>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00530-ip-10-147-4-33.ec2.inter... |
About "MathNotations"
Description: Math investigations, challenges, problems of the day, and standardized test practice that emphasize the development of conceptual understanding in mathematics. Marain's blog, which dates
back December of 2006, also features dialogue on issues in mathematics education with a focus on s... | {"url":"http://mathforum.org/library/view/74897.html","timestamp":"2014-04-17T04:38:22Z","content_type":null,"content_length":"6826","record_id":"<urn:uuid:9bf7f9e0-9740-4bf8-afd5-6bba1061c0b6>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00573-ip-10-147-4-33.ec2.internal.warc.gz"} |
Lake In The Hills Algebra 2 Tutor
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...I graduated from the University of California, San Diego with a degree in Biochemistry in 2012. Since graduation, I've worked as a vision therapist for children ages 6-18, combining my love of
optometry with one-on-one tutoring. I believe... | {"url":"http://www.purplemath.com/lake_in_the_hills_algebra_2_tutors.php","timestamp":"2014-04-20T06:54:00Z","content_type":null,"content_length":"24430","record_id":"<urn:uuid:ed6f6c39-8c0c-4c22-961a-7f024cb06500>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00344-ip-10-147-4-33.ec... |
Pythagoras on a Sphere
Copyright © University of Cambridge. All rights reserved.
'Pythagoras on a Sphere' printed from http://nrich.maths.org/
You only need elementary trigonometry and scalar products
Given any right-angled triangle $\Delta ABC$ on a sphere of unit radius, right angled at $A$, and with lengths of sid... | {"url":"http://nrich.maths.org/5616/index?nomenu=1","timestamp":"2014-04-17T18:48:28Z","content_type":null,"content_length":"3981","record_id":"<urn:uuid:5cda9280-bfb2-45ec-b428-f0993dcec7aa>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00407-ip-10-147-4-33.ec2.internal.warc.gz"} |
Castro Valley
Find a Castro Valley Calculus Tutor
...I have enjoyed tutoring ever since. After taking chemistry I began tutoring it also and with these two subjects as well as working in the stockroom I was able to pay for most of my education.
Most of the students I tutored came by word of mouth from my previous ... | {"url":"http://www.purplemath.com/castro_valley_ca_calculus_tutors.php","timestamp":"2014-04-16T07:23:58Z","content_type":null,"content_length":"24156","record_id":"<urn:uuid:f5e970f7-16b7-4c2e-9ef5-87e7e3121c8e>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00416-ip-10-147-4-33.ec2.... |
Functional Transformations
September 21st 2013, 05:35 PM #1
Sep 2013
Functional Transformations
Why is f(x) = 1/2 (x^3) a vertical shrink?
Isn't is supposed to be a horizontal stretch, because f(x) = f(cx), 0<c<1?
Re: Functional Transformations
horizontal shrink would be ((1/2)x)^3
Re: Functional Transf... | {"url":"http://mathhelpforum.com/pre-calculus/222155-functional-transformations.html","timestamp":"2014-04-19T15:23:03Z","content_type":null,"content_length":"38375","record_id":"<urn:uuid:fdc89061-c250-40ec-aa43-fd17620bf81c>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00241-ip-10-... |
- Dialogue. Amsterdam University , 1999
"... Discourse Understanding is hard. This seems to be especially true for mathematical discourse, that is proofs. Restricting discourse to mathematical discourse allow us, however, to study the
subject matter in its purest form. This domain of discourse is rich and welldefined, ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2497342","timestamp":"2014-04-17T19:45:59Z","content_type":null,"content_length":"22335","record_id":"<urn:uuid:f516fea1-436f-4e45-a0e6-dc39ad16c31d>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00354-ip-10-147-4-33.ec2.internal.wa... |
This Article
Bibliographic References
Add to:
Specification and analysis of parallel/distributed software and systems by Petri nets with transition enabling functions
March 1992 (vol. 18 no. 3)
pp. 252-261
ASCII Text ... | {"url":"http://www.computer.org/csdl/trans/ts/1992/03/e0252-abs.html","timestamp":"2014-04-24T17:29:30Z","content_type":null,"content_length":"57346","record_id":"<urn:uuid:a4ae6f38-7232-4c82-9e6d-83c2b101e733>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00510-ip-10-147-4-33.ec2.in... |
Optamizing Lateral Surface Area of a Cylinder
February 15th 2009, 06:52 PM #1
Junior Member
Feb 2009
Optamizing Lateral Surface Area of a Cylinder
A right circular cone has a base radius 5 and altitude 12. A cylinder is to be inscribed in the cone so that the axis of the cylinder coincides with the axis of the ... | {"url":"http://mathhelpforum.com/calculus/73816-optamizing-lateral-surface-area-cylinder.html","timestamp":"2014-04-21T16:03:49Z","content_type":null,"content_length":"75424","record_id":"<urn:uuid:6acf845c-a751-4496-b35b-20a210f376a1>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00... |
Injectivity of Holomorphic function
March 31st 2011, 02:53 PM #1
Nov 2009
Injectivity of Holomorphic function
Let U be an open disk around the origin in $\mathbb{C}$.
Suppose $f:U \rightarrow \mathbb{C}$ is holomorphic on $U$ , $f(0) = 0$ and $f'(0) = 1$.
I want to show that there exists a neighborhood ... | {"url":"http://mathhelpforum.com/differential-geometry/176464-injectivity-holomorphic-function.html","timestamp":"2014-04-17T19:20:43Z","content_type":null,"content_length":"44343","record_id":"<urn:uuid:ff8dbdbb-77aa-423f-943c-a8b54c24bf8a>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005... |
Matrices anyone
October 13th 2012, 07:55 PM #1
Oct 2012
Matrices anyone
Hi guys
I came across this Inverse of matrices by reduction question and need you help
Find the inverse of the matrix A= [row1(1 2) row2(5 3)] and use it to solve { x+2y=7, 5x+3y=28 ??????
Re: Matrices anyone
What you ha... | {"url":"http://mathhelpforum.com/calculus/205277-matrices-anyone.html","timestamp":"2014-04-17T19:41:05Z","content_type":null,"content_length":"37065","record_id":"<urn:uuid:e05f8254-5737-4eee-a1d8-8583272f1e62>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00254-ip-10-147-4-33.ec2.i... |
The Higgs Confidence Game
December 13, 2011
Can Nature play games against us?
Peter Higgs once recorded an autobiographical lecture with the immortal title “My Life as a Boson.” This refers to the Higgs boson, which was named for him even though we don’t know whether it
exists. We may, however, learn what is formally c... | {"url":"http://rjlipton.wordpress.com/2011/12/13/the-higgs-confidence-game/","timestamp":"2014-04-17T12:36:30Z","content_type":null,"content_length":"129528","record_id":"<urn:uuid:849f4bec-6915-4d51-88a5-43e89c2f15f2>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00305-ip-10-147-4-3... |
Multidimensional binary search trees used for associated searching
Results 11 - 20 of 861
, 2007
"... The rapid increase in the performance of graphics hardware, coupled with recent improvements in its programmability, have made graphics hardware acompelling platform for computationally
demanding tasks in awide variety... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2556&sort=cite&start=10","timestamp":"2014-04-21T00:44:22Z","content_type":null,"content_length":"38661","record_id":"<urn:uuid:f24b4260-5b8a-455a-8699-6f8f24505cf5>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00613-ip-10-147-4-33... |
Next: Cemekl Up: Additive Model Components Previous: Bremss
c6mekl is a multi-temperature mekal model using sixth-order Chebyshev polynomial for the differential emission measure. The DEM is not constrained to be positive.. The switch parameter determines
whether the mekal code will be run to calculate the model spectr... | {"url":"http://heasarc.gsfc.nasa.gov/docs/xanadu/xspec/manual/XSmodelC6mekl.html","timestamp":"2014-04-21T15:34:47Z","content_type":null,"content_length":"14943","record_id":"<urn:uuid:7c8a2761-04a5-4f5a-b40f-9e36675790f5>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00481-ip-10-147... |
Rosemary C. Farley, PHD
Rosemary C. Farley, PHD
Associate Professor
Department : Mathematics
Email : rosemary.farley@manhattan.edu
Phone : 718-862-7380
Office : RLC 2FL
PHD, New York University
PHD, New York University
MS, New York University
BS, College of Mount St. Vincent
At the present, I am particularly interested... | {"url":"http://manhattan.edu/faculty/rosemaryfarley","timestamp":"2014-04-20T04:09:29Z","content_type":null,"content_length":"24299","record_id":"<urn:uuid:20220005-cd97-43d9-9db8-2195fbef1de4>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00078-ip-10-147-4-33.ec2.internal.warc.gz"} |
Topology Question
January 18th 2009, 04:31 PM
Topology Question
On the plane $\Re^2$
$\beta = {(a, b) * (c, d) \subset \Re^2 | a < b, c<d }$
(a) Show that $\beta$ is a basis for a topology on $\Re^2$
January 18th 2009, 11:01 PM
My attempt to this problem is as follows:
To show $\beta$ is a basis, we... | {"url":"http://mathhelpforum.com/advanced-algebra/68769-topology-question-print.html","timestamp":"2014-04-18T17:26:55Z","content_type":null,"content_length":"10545","record_id":"<urn:uuid:d2d89cf6-d857-4b75-9f39-6d429e44db51>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00503-ip-10-... |
Picking a random element from a frequency list
A week or so ago, I wrote Lorem Markdownum: a small webapp to generate random text (like the many lorem ipsum generators out there), but in markdown format.
This blogpost explains a mildly interesting algorithm I used to pick a random element from a frequency list. It is w... | {"url":"http://jaspervdj.be/posts/2013-11-21-random-element-frequency-list.html","timestamp":"2014-04-19T17:01:42Z","content_type":null,"content_length":"23908","record_id":"<urn:uuid:d5c9a1c4-bbdd-44e1-a2ad-c69e4a6fefd1>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00209-ip-10-147-... |
A Characterization of 4-Centralizer Groups
Chinese Journal of Mathematics
Volume 2013 (2013), Article ID 871072, 2 pages
Research Article
A Characterization of 4-Centralizer Groups
Department of Mathematics, North-Eastern Hill University, Permanent Campus, Shillong, Meghalaya 793022, India
Received 23 August 2013; Acce... | {"url":"http://www.hindawi.com/journals/cjm/2013/871072/","timestamp":"2014-04-16T12:14:03Z","content_type":null,"content_length":"163064","record_id":"<urn:uuid:bccf59e8-eba0-40e2-b584-87e17293cc93>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00379-ip-10-147-4-33.ec2.internal.warc... |
7 Unit Lists: Conversion to Sums of Units
Outside of the SI, it is sometimes desirable to convert a single unit to a sum of units—for example, feet to feet plus inches. The conversion from sums of units was described in Sums and Differences
of Units, and is a simple matter of adding the units with the ‘+’ sign:
Yo... | {"url":"http://www.gnu.org/software/units/manual/html_node/Unit-Lists.html","timestamp":"2014-04-17T07:17:19Z","content_type":null,"content_length":"14581","record_id":"<urn:uuid:4deb2f1e-663c-412c-8aae-8e59760a6ab2>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00512-ip-10-147-4-33.... |
January 13th 2010, 01:19 AM
can someone explain this proof to me?
let sn be a convergent seq with sn -> l as n tends to infintiy. then every sunseq pf sn converges to l.
from my notes, it states that by induction, you can easily establise that nk > k for all k....
sorry, im new to the whole idea of proo... | {"url":"http://mathhelpforum.com/number-theory/123541-subsequences-print.html","timestamp":"2014-04-16T16:21:33Z","content_type":null,"content_length":"6875","record_id":"<urn:uuid:e707127a-1f98-4a3d-ad4d-ed1a98f629ff>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00045-ip-10-147-4-3... |
Opposite Vertices
Copyright © University of Cambridge. All rights reserved.
'Opposite Vertices' printed from http://nrich.maths.org/
Charlie has been exploring squares with vertices drawn on the points of a square dotty grid.
Unfortunately, he rubbed out some of his work and only left behind one side of each square.
C... | {"url":"http://nrich.maths.org/7381/index?nomenu=1","timestamp":"2014-04-18T23:37:43Z","content_type":null,"content_length":"5327","record_id":"<urn:uuid:dd94868c-b56f-4079-a5a3-84ff464ca801>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00480-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mill Valley Science Tutor
...I am well regarded as an excellent instructor and am able to deal with students with a wide range of abilities in math, finance and economics. I worked a number of years as a data analyst and
computer programmer and am well versed in communicating with people who have a variety of mathe... | {"url":"http://www.purplemath.com/Mill_Valley_Science_tutors.php","timestamp":"2014-04-18T23:49:31Z","content_type":null,"content_length":"24017","record_id":"<urn:uuid:e96deb07-8aea-4c9d-a0ca-f989f3d5ca88>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00175-ip-10-147-4-33.ec2.intern... |
In Fig. 29-70, A Long Circular Pipe With Outside ... | Chegg.com
In Fig. 29-70, a long circular pipe with outside radius R = 2.12 cm carries a (uniformly distributed) current i = 11.3 mA into the page. A wire runs parallel to the pipe at a distance of 3.00R from
center to center. Find the magnitude of the current in th... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/fig-29-70-long-circular-pipe-outside-radius-r-212-cm-carries-uniformly-distributed-current-q1396582","timestamp":"2014-04-25T04:48:20Z","content_type":null,"content_length":"21622","record_id":"<urn:uuid:3b7bfd16-d45e-4ab7-8785-ea47eda5aae2>","cc-path":"C... |
binomial theorem
A method of expanding the binomial expression (x + y)^n into a finite or infinite series of powers of x and y, where n is a number either integral or fractional, positive or negative, rational or
irrational; thus
(x + y)^n = x^n + a[... | {"url":"http://www.daviddarling.info/encyclopedia/B/binomial_theorem.html","timestamp":"2014-04-16T19:00:56Z","content_type":null,"content_length":"6450","record_id":"<urn:uuid:d8f143b6-be13-4169-af7f-2c5aa5f33635>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00107-ip-10-147-4-33.ec... |
Eigenvalues of a skew symmetric matrix
August 9th 2013, 10:39 PM #1
Junior Member
Sep 2012
Eigenvalues of a skew symmetric matrix
The eigenvalues of a real skew symmetric matrix can be zero or imaginary. I figured out that they can be zero but i can't figure out, how can they be imaginary ? I don't know why, th... | {"url":"http://mathhelpforum.com/advanced-algebra/221118-eigenvalues-skew-symmetric-matrix.html","timestamp":"2014-04-17T07:30:40Z","content_type":null,"content_length":"35257","record_id":"<urn:uuid:4340ff26-5a40-4573-805f-e574135affdc>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-0... |
Sizing Science: The Geometry of M&Ms
Key concepts
Has an adult ever caught you munching on candy and asked, "How much candy have you eaten?" Instead of saying, "I don't know," and possibly receiving a scolding, wouldn't you rather respond, "I ate
precisely 10.7 cubic centimeters of candy"? In this activity, you will in... | {"url":"http://www.scientificamerican.com/article/bring-science-home-mm-geometry/","timestamp":"2014-04-17T15:42:03Z","content_type":null,"content_length":"67691","record_id":"<urn:uuid:562d0b6a-9766-431f-8dfb-91a1a8b56e96>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00286-ip-10-147... |
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Topic: bicubic spline 3D fitting algorithm
Replies: 2 Last Post: Dec 11, 1996 12:38 PM
Messages: [ Prev... | {"url":"http://mathforum.org/kb/message.jspa?messageID=1601352","timestamp":"2014-04-17T07:17:33Z","content_type":null,"content_length":"18911","record_id":"<urn:uuid:cf823747-15f1-416e-8cf7-e8ebc96bd9e7>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00520-ip-10-147-4-33.ec2.internal... |
The cost of Capital (
The cost of Capital (part b)
View all ACCA Paper F9 lectures >> This ACCA F9 lecture is based on OpenTuition course notes, view or download lecture notes here>>
1. Hi Mr Moffat,,just wanted small clarification,,if in a certain scenario we were given both return on capital employed or return on eq... | {"url":"http://opentuition.com/acca/f9/the-cost-of-capital-part-b/","timestamp":"2014-04-16T14:42:19Z","content_type":null,"content_length":"60963","record_id":"<urn:uuid:8c6edff8-2ea6-41f2-8e55-5dcae9fb9e1d>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00296-ip-10-147-4-33.ec2.inte... |
Positive (k.k)-form?
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A real $(p,p)$-form $\Omega$ on complex manifold $X$ is called strictly positive $(p,p)$-form if $$(-\sqrt{-1})^{p}\Omega(v_1,\bar{v}_1,...,v_p,\bar{v}_p)>0$$ for any nonzero $v_1,v_2,...,v_p\in T^
{1,0}(X)$.If $\omega$ its Hermitian form.
Does the $\omega^p$ is strictl... | {"url":"http://mathoverflow.net/questions/84257/positive-k-k-form?sort=oldest","timestamp":"2014-04-20T18:24:46Z","content_type":null,"content_length":"56012","record_id":"<urn:uuid:83f40ace-efab-4b77-b726-054fd1e3db9a>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00141-ip-10-147-4-... |
Wilmington, MA Algebra Tutor
Find a Wilmington, MA Algebra Tutor
...I specialize in biology, but am also qualified to tutor other science courses. I also offer SAT prep and writing help. My content knowledge: Science - In undergraduate, I majored in biology
and graduated as valedictorian of my class.
22 Subjects:... | {"url":"http://www.purplemath.com/Wilmington_MA_Algebra_tutors.php","timestamp":"2014-04-18T05:43:32Z","content_type":null,"content_length":"24010","record_id":"<urn:uuid:23e0ef2a-6afa-4ae8-ace6-acbc8da45bc1>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00334-ip-10-147-4-33.ec2.inte... |
Math Help
June 27th 2006, 06:12 PM #1
Hi All, taking a summer course on linear algebra. I'm generally good with math, but this prof is not making it easy. I've been watching the MIT videos online, and it has helped, but I need more
Does anyone know of any resources? I'm having a difficult time wrapping my head... | {"url":"http://mathhelpforum.com/advanced-algebra/3847-resources.html","timestamp":"2014-04-16T09:15:29Z","content_type":null,"content_length":"30669","record_id":"<urn:uuid:efa2c994-8833-4bd5-bf33-36c865f3b6fd>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00628-ip-10-147-4-33.ec2.i... |
Homework Help
Post a New Question | Current Questions
1st lesson of the year...
Hi, I am wondering if anyone has any ideas or suggestions for "getting to know you" games for the first day of classes that I can utilize. Also any relevant sites would be greatly appreciated.
Thursday, August 28, 2008 at 6:12pm
Can someone... | {"url":"http://www.jiskha.com/1st_grade/?page=16","timestamp":"2014-04-23T20:56:07Z","content_type":null,"content_length":"35934","record_id":"<urn:uuid:230273f6-c1ce-41ef-b683-0c93f0b3e183>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00013-ip-10-147-4-33.ec2.internal.warc.gz"} |
Proving Trig Identity: Sine Difference
August 30th 2009, 04:17 PM #1
Mar 2007
Proving Trig Identity: Sine Difference
In this figure, the triangle has hypotenuse 1.
I need to use it to show that:
$<br /> sin(A - B) = sinAcosB - sinBcosA<br />$
The hint is :
$<br /> sin(A - B) = \frac{X}{h}<br />$... | {"url":"http://mathhelpforum.com/trigonometry/99846-proving-trig-identity-sine-difference.html","timestamp":"2014-04-16T07:36:39Z","content_type":null,"content_length":"37037","record_id":"<urn:uuid:2c0e5d53-d2d0-471c-a2b4-627e7b4e7242>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00... |
II.A. Monte Carlo simulation system
II.A.1. X-ray sources and energy
II.A.2. Compensators
II.A.3. Phantoms
II.A.4. Imaging geometry
II.B. Scatter spatial frequency
II.C. Scatter distribution estimation from limited photon and projection simulations
II.C.1. Scatter corrected CBCT reconstruction
III.A. Scatter spatial fr... | {"url":"http://scitation.aip.org/content/aapm/journal/medphys/40/11/10.1118/1.4822484","timestamp":"2014-04-19T13:33:18Z","content_type":null,"content_length":"118719","record_id":"<urn:uuid:1aa92441-e339-4cd5-a6da-ed5530206dc9>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00435-ip-... |
Physics Forums - View Single Post - The wrong turn of string theory: our world is SUSY at low energies
mitchell porter
There is also a secondary "rule" that you can add two ordered pairs which both have nonzero weak isospin, only if one has isospin +1/2 and the other has isospin -1/2.
It seems reasonable, as then we... | {"url":"http://www.physicsforums.com/showpost.php?p=3468592&postcount=93","timestamp":"2014-04-18T13:47:20Z","content_type":null,"content_length":"8737","record_id":"<urn:uuid:092021b0-c5e4-44cf-8293-9304700ac530>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00333-ip-10-147-4-33.ec2... |
What is Retail Formulas?
Retail Formulas are mostly used by retail employees, retail managers, retail buyers and other retail business related individuals. It is widely used to evaluate the current inventory status,
inventory purchasing plans, sales analysis, markup and markdown prices etc.
Performing these retail form... | {"url":"http://www.retailformulas.com.au/","timestamp":"2014-04-18T23:31:26Z","content_type":null,"content_length":"14859","record_id":"<urn:uuid:b0ad7681-e92f-4275-8e8d-71dcec82fe9c>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00032-ip-10-147-4-33.ec2.internal.warc.gz"} |
Hightstown SAT Math Tutor
Find a Hightstown SAT Math Tutor
...My students usually feel much better about the algebra and then they have a solid foundation for future math courses/proficiency tests. "Pre-algebra" skills are the foundation for all high
school mathematics. This grouping includes numerical operations, ... | {"url":"http://www.purplemath.com/hightstown_sat_math_tutors.php","timestamp":"2014-04-20T21:07:29Z","content_type":null,"content_length":"24043","record_id":"<urn:uuid:9f28e66c-bdea-4fd4-aa31-75d2174aa38b>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00401-ip-10-147-4-33.ec2.interna... |
Normal Distribution...
April 7th 2009, 10:19 AM #1
Given that the random variable, X, follows a normal distribution with mean μ and variance (sigma)^2 , show that the random variable Z = (x - μ) / sigma , that is a linear transformation of X, has
a mean of 0 and variance equal to 1..
Thanks for the help!
... | {"url":"http://mathhelpforum.com/advanced-statistics/82724-normal-distribution.html","timestamp":"2014-04-17T12:52:36Z","content_type":null,"content_length":"38666","record_id":"<urn:uuid:9317b13a-0a1b-4c7e-9f48-3c7fc92691c8>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00075-ip-10-... |
Leland Teschler's Editorial: The Statistics of Dumb Mistakes
Back in the 1940s, economist Milton Friedman was part of the war effort. He performed statistical studies on high-temperature alloys for jet engines. Friedman, who eventually won a Nobel Prize in
economics, used regression analysis on data about alloy streng... | {"url":"http://machinedesign.com/print/engineering-education/leland-teschlers-editorial-statistics-dumb-mistakes","timestamp":"2014-04-21T00:51:57Z","content_type":null,"content_length":"17821","record_id":"<urn:uuid:8d3abace-785f-44ea-a1ed-ee5cb58f68ee>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAI... |
Newton's Three Laws
Newton's Third Law
All forces result from the interaction of two bodies. One body exerts a force on another. Yet we haven't discussed what force, if any, is felt by the body giving the original force. Experience tells
us that there is in fact a force. When we push a crate across the floor, our hands... | {"url":"http://www.sparknotes.com/physics/dynamics/newtonsthreelaws/section3.rhtml","timestamp":"2014-04-17T07:31:19Z","content_type":null,"content_length":"55258","record_id":"<urn:uuid:b38f6c7b-5c10-4c6f-be7d-3b670e06665c>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00298-ip-10-1... |
A rod 55 long and 1.0 in radius carries a 2.0 charge distributed uniformly over its length
Number of results: 26,601
A 1.13 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The upper string is 24.0 cm long and has a tension of 31.5 N, and
it m... | {"url":"http://www.jiskha.com/search/index.cgi?query=A+rod+55+long+and+1.0+in+radius+carries+a+2.0+charge+distributed+uniformly+over+its+length","timestamp":"2014-04-20T11:53:40Z","content_type":null,"content_length":"45888","record_id":"<urn:uuid:66a22d1c-4702-466b-9db5-444bcb1e7d07>","cc-path":"CC-MAIN-2014-15/segmen... |
Even Strength Data for Games 1-500
As a continuation of a
previous post
, I figured that I'd throw up EV data for the first 500 games of this season.
I've included both overall EV data, as well as data on even strength play with the score tied. Empty net goals have been excluded.
The first sheet shows data for games 1-... | {"url":"http://objectivenhl.blogspot.com/2009/12/even-strength-data-for-games-1-500.html?showComment=1261496759078","timestamp":"2014-04-17T21:22:10Z","content_type":null,"content_length":"63261","record_id":"<urn:uuid:b1b0cecf-a893-456c-9d18-80d257800a79>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-M... |
A Sudoku challenge generator
When on holiday, one can kill time solving Sudoku puzzles. When one has done a dozen of those puzzles and one happens to have a wandering mind like mine, one starts wondering how those Sudoku
challenges are created, and if it would be possible to describe an algorithm that can make such a s... | {"url":"http://blog.forret.com/2006/08/a-sudoku-challenge-generator/","timestamp":"2014-04-17T06:45:33Z","content_type":null,"content_length":"55750","record_id":"<urn:uuid:131c7842-2a1f-4f34-a95d-0e417784c440>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00123-ip-10-147-4-33.ec2.in... |
GSP Lessons
. . . a work in progress . . .
GSP Lesson 1.
Given two lines and a point "between" them. Construct all circles through the point and tangent to each of the two lines. The case of intersecting lines is shown here.
... | {"url":"http://jwilson.coe.uga.edu/gsp.lesson.folder/gsp.lesson.html","timestamp":"2014-04-16T13:02:29Z","content_type":null,"content_length":"7120","record_id":"<urn:uuid:49854120-9dcc-45e7-b5ae-3e63a5f86459>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00280-ip-10-147-4-33.ec2.inte... |
how to repeated evalution of the recurrence relation
May 2nd 2011, 12:07 PM
how to repeated evalution of the recurrence relation
Test the answer by finding the value of $u_{4}$ in 2 different ways:
by substitution in your solution and by repeated evaluation of the equation.
by substitution I have found u2=2... | {"url":"http://mathhelpforum.com/discrete-math/179285-how-repeated-evalution-recurrence-relation-print.html","timestamp":"2014-04-21T00:45:53Z","content_type":null,"content_length":"10398","record_id":"<urn:uuid:4f97336e-5e59-46b5-8791-5f127e1189fd>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-201... |
Acceleration of Early-Photon Fluorescence Molecular Tomography with Graphics Processing Units
Computational and Mathematical Methods in Medicine
Volume 2013 (2013), Article ID 297291, 9 pages
Research Article
Acceleration of Early-Photon Fluorescence Molecular Tomography with Graphics Processing Units
^1Department of B... | {"url":"http://www.hindawi.com/journals/cmmm/2013/297291/","timestamp":"2014-04-20T06:59:59Z","content_type":null,"content_length":"176622","record_id":"<urn:uuid:448ca437-46a4-4551-839b-e4d5a1d5d287>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00624-ip-10-147-4-33.ec2.internal.war... |
Integrals for
Results 1 - 10 of 163
- Adv. Math , 1996
"... this paper have a finite number of elements, a minimum element 0 # and a maximum element 1 . For two elements x and y in a poset P, such that x#y, define the interval [x, y]=[z#P:x#z#y]. We will
consider [x, y] as a poset, which inherits its order relation fr... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=638885","timestamp":"2014-04-23T22:21:05Z","content_type":null,"content_length":"36579","record_id":"<urn:uuid:7c1909d9-be38-4ab7-a7ac-41b7d2e9c52c>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00001-ip-10-147-4-33.ec2.internal.warc... |
The n-Category Café
Homotopy Type Theory, II
Posted by Mike Shulman
First, an announcement: the homotopy type theory project now has its own web site! Follow the blog there for announcements of current developments.
Now, let’s pick up where we left off. The discussion in the comments at the last post got somewhat advan... | {"url":"http://golem.ph.utexas.edu/category/2011/03/homotopy_type_theory_ii.html","timestamp":"2014-04-19T05:00:14Z","content_type":null,"content_length":"307628","record_id":"<urn:uuid:c574884a-d2d5-48a4-9864-4e53c9084c67>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00038-ip-10-14... |
Prove that trigonometric terms are in arithmetic progression?
May 21st 2009, 09:37 AM #1
Prove that trigonometric terms are in arithmetic progression?
If $\theta_1$ and $\alpha$ are two real numbers such that $\frac{\cot^4 \theta}{\csc^4 \theta}\sec^2 \alpha$, $\frac{1}{\csc 150^{\circ}}$, $\frac{\tan^4 \theta}{\se... | {"url":"http://mathhelpforum.com/trigonometry/89951-prove-trigonometric-terms-arithmetic-progression.html","timestamp":"2014-04-18T14:20:05Z","content_type":null,"content_length":"36092","record_id":"<urn:uuid:757f4d5e-3143-4252-a8a8-7c0a0f9b0bdb>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140... |
A004716 - OEIS
%S 1,4,6,8,9,10,20,21,23,27,28,29,32,33,34,35,36,37,39,40,41,42,44,46,
%T 47,49,54,55,56,57,60,61,62,63,64,65,67,77,79,80,84,87,93,95,102,103,
%U 105,109,111,112,113,115,117
%N Positions of ones in the binary expansion of log(3)/log(2)-1.
%D J. M. Borwein and R. Girgensohn, Addition theorems and binary e... | {"url":"http://oeis.org/A004716/internal","timestamp":"2014-04-18T09:32:45Z","content_type":null,"content_length":"7499","record_id":"<urn:uuid:7b3cdcf0-9ae6-4d98-a541-219196f598c6>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00115-ip-10-147-4-33.ec2.internal.warc.gz"} |
Complex numbers questions
August 31st 2010, 06:09 AM
Complex numbers questions
I have a whole load of questions that I have attempted but could not do. Hopefully someone here can help me out!
1. Express z^4 + z^3 + z^2 + z + 1 as a product of two real quadratic factors.
2. Find the zeros of z^5 - 1, giving ... | {"url":"http://mathhelpforum.com/calculus/154850-complex-numbers-questions-print.html","timestamp":"2014-04-17T12:33:41Z","content_type":null,"content_length":"3623","record_id":"<urn:uuid:74359d32-bd38-4b30-be7a-2e5fc84400a8>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00398-ip-10... |
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=9822&page=313","timestamp":"2014-04-18T05:39:28Z","content_type":null,"content_length":"105622","record_id":"<urn:uuid:636204d1-71d0-4100-85b2-23faa7a9f975>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00514-ip-10-147-4-33.ec2.intern... |
Mplus Discussion >> Is type=complex or type=multilevel the appropriate type of analysis?
Alex Zablah posted on Thursday, March 10, 2005 - 11:31 am
Hi, hope all is well. I was hoping to get your insight/input on the following:
I have survey data (6 dependent variables) for 300 customers. These 300 customers belong to on... | {"url":"http://www.statmodel.com/discussion/messages/12/587.html?1366657745","timestamp":"2014-04-19T05:48:10Z","content_type":null,"content_length":"58687","record_id":"<urn:uuid:98835620-72a0-426f-aad8-99d5ce47de14>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00585-ip-10-147-4-33... |
Hightstown SAT Math Tutor
Find a Hightstown SAT Math Tutor
...My students usually feel much better about the algebra and then they have a solid foundation for future math courses/proficiency tests. "Pre-algebra" skills are the foundation for all high
school mathematics. This grouping includes numerical operations, ... | {"url":"http://www.purplemath.com/hightstown_sat_math_tutors.php","timestamp":"2014-04-20T21:07:29Z","content_type":null,"content_length":"24043","record_id":"<urn:uuid:9f28e66c-bdea-4fd4-aa31-75d2174aa38b>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00401-ip-10-147-4-33.ec2.intern... |
Dissecting trapezoids into triangles of equal area
up vote 9 down vote favorite
[Lightly edited for copy and proper formatting of mathematics. -- Pete L. Clark]
The Background: Let $T$ be a trapezoid. Sherman Stein, using valuation theory, showed that if $T$ is dissectible into n triangles of equal area, then $\frac{n}... | {"url":"http://mathoverflow.net/questions/26330/dissecting-trapezoids-into-triangles-of-equal-area","timestamp":"2014-04-21T10:27:02Z","content_type":null,"content_length":"53619","record_id":"<urn:uuid:d0ae1ad4-bf58-438c-a19a-ffc4270ab7ab>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-201404160052... |
Tanking need help with advanced topic of damage reduction. [Archive] - TankSpot
02-14-2010, 10:21 PM
I have a decent understanding of how the attack table for melee swings works assuming what i read was correct it is a roll system that checks down the list going
normal hit
not sure where crit would fall in that list b... | {"url":"http://www.tankspot.com/archive/index.php/t-63305.html","timestamp":"2014-04-20T06:06:32Z","content_type":null,"content_length":"6088","record_id":"<urn:uuid:97aebc08-9d18-41e4-87f3-bb09e5064a48>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00431-ip-10-147-4-33.ec2.internal.... |
Distributive Property
Let's review the properties using variables instead of numbers:
Addition Multiplication
The properties above do NOT work with subtraction and division.
Here's a handy visual aid on reviewing the properties:
Distributive Property
This one is very important when working with algebraic e... | {"url":"http://www.shmoop.com/basic-algebra/distributive-property.html","timestamp":"2014-04-18T05:59:34Z","content_type":null,"content_length":"38987","record_id":"<urn:uuid:9fbf1ad1-6d18-41be-8d09-4bd015d85160>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00165-ip-10-147-4-33.ec2.... |
JOhn has ducs and pigs in one pen with a total of 40 legs in the pen. If john has 3 times the pigs than he has the... - Homework Help - eNotes.com
JOhn has ducs and pigs in one pen with a total of 40 legs in the pen. If john has 3 times the pigs than he has the ducks how many pigs does he have?
Let the number of duck... | {"url":"http://www.enotes.com/homework-help/john-has-ducs-pigs-one-pen-with-total-40-legs-pen-438016","timestamp":"2014-04-17T10:22:54Z","content_type":null,"content_length":"27839","record_id":"<urn:uuid:fe7a9de5-9d52-49a8-b5ff-99e3c522e4d1>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-2014041600... |