content stringlengths 86 994k | meta stringlengths 288 619 |
|---|---|
General Departmental Seminar Series
A semi-parametric two-component "compound" mixture model and its application to estimating malaria attributable fractions.
Jing Qin
... | {"url":"http://www.biostat.wisc.edu/Seminars/SeminarAbstracts2004-2005/dept040105.htm","timestamp":"2014-04-17T15:26:51Z","content_type":null,"content_length":"17904","record_id":"<urn:uuid:bf674c36-a103-4a42-a21e-c8f36112ae57>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00333-ip-10... |
Measures of Angle Pairs
6.4: Measures of Angle Pairs
Difficulty Level:
Created by: CK-12
Candace opened her math book and discovered this dilemma.
The two angles below are complementary. $m\angle GHI = x$$x$
Candace is puzzled. Are you? Using equations and geometry can help you figure this one out. Pay attention and yo... | {"url":"http://www.ck12.org/book/CK-12-Middle-School-Math-Concepts-Grade-8/r9/section/6.4/","timestamp":"2014-04-17T15:30:34Z","content_type":null,"content_length":"136486","record_id":"<urn:uuid:8b0308ec-3d17-4618-9e96-eedfa4da7e4c>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-0004... |
st: RE: bootstrap gives errors with -rd-
Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
st: RE: bo... | {"url":"http://www.stata.com/statalist/archive/2011-11/msg00615.html","timestamp":"2014-04-18T14:09:26Z","content_type":null,"content_length":"8236","record_id":"<urn:uuid:82d2fa7f-a071-4a7c-b007-071e3e4622c3>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00200-ip-10-147-4-33.ec2.int... |
I think I've figured out what's happening. Whenever I use the symbol ≈, copied and pasted from the top, in a post then it doesn't like it. I have no idea why that is.
But that's fine, because I can just use ≈ [asymp with :] instead.
Last edited by mathsyperson (2005-12-11 03:32:36) | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=20174","timestamp":"2014-04-20T21:29:18Z","content_type":null,"content_length":"17092","record_id":"<urn:uuid:9548798c-7d89-446e-82ad-902924ec8ad3>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00331-ip-10-147-4-33.ec2.internal.... |
Do-It-Yourself (DIY) Investor
Investors' Silent Business Partner
Many times there is a "missing manual" type of effect in personal finance. For example, investors reach the point where they understand that asset allocation is the first and most important step in
investing, determine that they should put 30%, say, in... | {"url":"http://rwinvesting.blogspot.com/2011_09_01_archive.html","timestamp":"2014-04-19T07:50:51Z","content_type":null,"content_length":"247366","record_id":"<urn:uuid:ac1c8aaa-4fe5-4cd4-b88a-9a762fa9eadd>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00607-ip-10-147-4-33.ec2.intern... |
What is an antiequivalence of two categories?
up vote 2 down vote favorite
Hello everyone, I am a newbie to the category theory. While reading some paper about infinite Galois theory, the 'anti-equivalence' of two categories showed up. Could anyone give me a 'good'
explanation what this means? Thanks a lot.
add comment... | {"url":"http://mathoverflow.net/questions/21744/what-is-an-antiequivalence-of-two-categories?sort=votes","timestamp":"2014-04-16T08:02:36Z","content_type":null,"content_length":"49822","record_id":"<urn:uuid:cbd660bc-6840-433f-a207-daf5ca8133db>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-2014041... |
JNorth Home Page
Today's News
Migrations and
... | {"url":"http://www.learner.org/jnorth/1997/orientation/global.html","timestamp":"2014-04-16T19:07:17Z","content_type":null,"content_length":"6881","record_id":"<urn:uuid:68c496a9-5fde-4e4f-bb36-e1f384a1527f>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00434-ip-10-147-4-33.ec2.inter... |
o Diffeomorphism
9.2 Up To Diffeomorphism
The mind of man is more intuitive than logical, and comprehends more than it can coordinate.
Vauvenargues, 1746
Einstein seems to have been strongly wedded to the concept of the con... | {"url":"http://www.mathpages.com/rr/s9-02/9-02.htm","timestamp":"2014-04-24T10:02:29Z","content_type":null,"content_length":"36386","record_id":"<urn:uuid:0b9aea8a-d5fc-48bd-891d-a4c40c455018>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00182-ip-10-147-4-33.ec2.internal.warc.gz"} |
Solve Elec - Educational software
Version 2.5 for Mac and Windows
With Solve Elec you can :
- draw and analyze electrical circuits functioning in direct or alternating current
- get literal formulas and values for current intensities and voltages defined in the circuit.
- verify circuit related... | {"url":"http://www.physicsbox.com/indexsolveelec2en.html","timestamp":"2014-04-18T15:38:47Z","content_type":null,"content_length":"6565","record_id":"<urn:uuid:d87611f4-ee81-4832-8f00-7c2d361d4d0f>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00160-ip-10-147-4-33.ec2.internal.warc.g... |
Implicit differentiation
October 2nd 2011, 05:21 PM
Implicit differentiation
suppose (x^2/26)+(y^2/64)=1 and y(1)=7.88811 Find y'(1) by implicit diffentiation
I get y'=16x/9y but I'm not sure where to go from there to get y'(1)?
October 2nd 2011, 05:38 PM
Re: Implicit differentiation
Disagree with your diff... | {"url":"http://mathhelpforum.com/calculus/189399-implicit-differentiation-print.html","timestamp":"2014-04-18T06:04:18Z","content_type":null,"content_length":"8434","record_id":"<urn:uuid:a895881e-a481-4a6c-850d-1d6e5c481a68>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00088-ip-10-... |
Math Help
How do you show that $\displaystyle \lim_{x \to 0}\left(\dfrac{\sin{x}}{x}\right) = 1$ without drawing triangle areas?
You can use L'Hopital's Rule... $\displaystyle\lim_{x\rightarrow\ 0}\left(\frac{Sinx}{x}\right)=\lim_{x\rightarrow\ 0}\left(\frac{\frac{d}{dx}Sinx}{\frac{d}{dx}x}\rig ht)=\lim_{x\rightarrow\... | {"url":"http://mathhelpforum.com/pre-calculus/154677-sine-limit.html","timestamp":"2014-04-19T15:08:42Z","content_type":null,"content_length":"94386","record_id":"<urn:uuid:ac8cba5d-79b5-40ba-bc61-cfb89bd42cf3>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00013-ip-10-147-4-33.ec2.int... |
Σ-Vision (Sparsity, Image and Geometry to Model Adaptively Visual Processings) is a research group financed by the ERC Starting Grant program. Σ-Vision will develop the next generation algorithms
and methodologies for image processing. These algorithms will rely on several mathematical breakthroughs in image modeling:... | {"url":"https://www.ceremade.dauphine.fr/~peyre/sigma-vision/","timestamp":"2014-04-17T16:25:07Z","content_type":null,"content_length":"46128","record_id":"<urn:uuid:69bcc163-baae-49f2-b2f5-cf56f550750f>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00027-ip-10-147-4-33.ec2.internal.... |
How to generate cheat sheet ?
To create cheat sheet first you need to select formulas which you want to include in it. To select formula click at picture next to formula.
You can choose formulas from different pages.
After you have selected all the formulas which you would like to include in cheat sheet, click the "Gen... | {"url":"http://www.mathportal.org/formulas/series/aritgeo.php","timestamp":"2014-04-18T18:19:49Z","content_type":null,"content_length":"45378","record_id":"<urn:uuid:1867a96b-ab99-422f-afc6-62012214127e>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00164-ip-10-147-4-33.ec2.internal.w... |
Genetic Algorithms with Processing
Genetic Algorithms are something I’ve found intriguing for a long time, but I’d never got around to actually implementing one. A recent flurry of blog posts and forum chatter about them – such as
this program for evolving the Mona Lisa as a vector image, or this one which breeds vehic... | {"url":"http://maths.straylight.co.uk/archives/125","timestamp":"2014-04-21T04:31:39Z","content_type":null,"content_length":"23902","record_id":"<urn:uuid:8927cd32-5d82-4a87-809b-10edae4cf13c>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00578-ip-10-147-4-33.ec2.internal.warc.gz"} |
Vector "product" diagonalization
up vote 0 down vote favorite
Consider a vector space $V$ (with dimension $n+1$ and elements $v$) on which a (commutative and associative) "product" $\odot$ taking $V\odot V\rightarrow V$ is defined, and an $1$ element $v_0$
exists: $v\odot v_0=v$ for all $v\in V$. $\odot$ is now complet... | {"url":"http://mathoverflow.net/questions/95994/vector-product-diagonalization/96018","timestamp":"2014-04-19T22:41:20Z","content_type":null,"content_length":"63990","record_id":"<urn:uuid:d727d8de-b9e7-4f95-a10e-7599b4f40358>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00264-ip-10... |
Maximality with respect to the Finite Intersection Property
September 25th 2013, 07:21 AM #1
Maximality with respect to the Finite Intersection Property
I'm working on a problem, but I just can't figure it out.
Let $X$ be any set and suppose that $\mathcal{M}$ is a collection of subsets of $X$ that is maximal w... | {"url":"http://mathhelpforum.com/differential-geometry/222273-maximality-respect-finite-intersection-property.html","timestamp":"2014-04-17T01:59:02Z","content_type":null,"content_length":"63845","record_id":"<urn:uuid:76662e46-4305-4a6c-8788-ec489282d785>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MA... |
Physics Forums - View Single Post - The "Third Road"
Thanks, setAI. This is a nice, readable paper. The list of references in it is an excellent resource, too.
From page 4:
"If instead the observer focuses on his perceptions, he will make, in his mind, automatically the two limits [itex]N \rightarrow \infty[/itex] and... | {"url":"http://www.physicsforums.com/showpost.php?p=532699&postcount=16","timestamp":"2014-04-20T01:03:33Z","content_type":null,"content_length":"7918","record_id":"<urn:uuid:30bcec21-c8b1-446c-8e97-362ce93860f3>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00165-ip-10-147-4-33.ec2.i... |
Fibonacci Numbers Proof
October 12th 2011, 02:22 PM #1
Nov 2010
Fibonacci Numbers Proof
Hey all, not sure how to proceed with the following proposition:
For all k , m, in the Natural Numbers, where m >= 2,
fib(m+k) = fib(m-1)*fib(k) + fib(m)*fib(k+1)
Tried to fix m and do induction on k, leading to ... | {"url":"http://mathhelpforum.com/number-theory/190227-fibonacci-numbers-proof.html","timestamp":"2014-04-20T00:28:14Z","content_type":null,"content_length":"38138","record_id":"<urn:uuid:f340438c-5bc2-4599-8658-2d531ad88f2c>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00362-ip-10-1... |
Re: st: Jackknife with clustered survey data
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: Jackknife with clustered survey data
From "Stas Kolenikov" <skolenik@gmail.com>
To statalist@hsphsun2.harvard.edu
Subject Re: st: Jackknife with clustered survey data
Date Sun, 25 M... | {"url":"http://www.stata.com/statalist/archive/2007-03/msg00900.html","timestamp":"2014-04-16T07:22:20Z","content_type":null,"content_length":"7757","record_id":"<urn:uuid:2d24cb01-2f55-4bb1-a6d2-57f634ff554d>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00597-ip-10-147-4-33.ec2.int... |
Use of Antemeridian and Postmeridian | Antemeridian → a.m.| Postmeridian → p.m.
Antemeridian and Postmeridian
We will learn the use of antemeridian and postmeridian.
In English system the day starts at midnight and ends at the next midnight.
The day begins just after 12 o’clock at midnight. The next 12 o’clock in the d... | {"url":"http://www.math-only-math.com/antemeridian-and-postmeridian.html","timestamp":"2014-04-17T09:34:18Z","content_type":null,"content_length":"29938","record_id":"<urn:uuid:a80bdc13-b011-49bc-b813-143ac268c9f4>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00300-ip-10-147-4-33.ec... |
The declining value of fenwick/corsi with increased sample size - HockeyAnalysis.com
The last several days I have been playing around a fair bit with team data and analyzing various metrics for their usefulness in predicting future outcomes and I have come across some interesting
observations. Specifically, with more y... | {"url":"http://hockeyanalysis.com/2013/02/27/the-declining-value-of-fenwickcorsi-with-increased-sample-size/","timestamp":"2014-04-16T10:29:07Z","content_type":null,"content_length":"51103","record_id":"<urn:uuid:ad0b566d-7225-404f-ba6c-a46813bfdebe>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20... |
Convexity/Convex polytopes
From Wikibooks, open books for an open world
Definition: A convex polytope is the convex hull of a finite number of points. Usually, there will be at least three non-collinear points.
Theorem: A set is a convex polytope if and only if:
1. It is not the empty set
2. It is bounded
... | {"url":"https://en.wikibooks.org/wiki/Convexity/Convex_polytopes","timestamp":"2014-04-24T12:59:47Z","content_type":null,"content_length":"24701","record_id":"<urn:uuid:2bf5dfe2-090f-4204-ba37-a31fd37e2d34>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00370-ip-10-147-4-33.ec2.interna... |
How can I find a correlation between two matrices
I am trying to find a correlation between two matrices. I want to know how to make use of the command corrcoef(x,y). Or any other command would also be good.
I have following data - x - is a 35 by 1000 matrix, y- is a 13 by 1000 matrix. I want to find a sorted order of ... | {"url":"http://www.mathworks.com/matlabcentral/answers/55734","timestamp":"2014-04-20T06:13:46Z","content_type":null,"content_length":"25459","record_id":"<urn:uuid:333665e9-d6e4-4a86-b967-e237eefebdd2>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00333-ip-10-147-4-33.ec2.internal.w... |
Seabrook, TX Trigonometry Tutor
Find a Seabrook, TX Trigonometry Tutor
...I am a retired state certified teacher in Texas both in composite high school science and mathematics. I offer a no-fail guarantee (contact me via WyzAnt for details). I am available at any
time of the day; I try to be as flexible as possible... | {"url":"http://www.purplemath.com/seabrook_tx_trigonometry_tutors.php","timestamp":"2014-04-20T13:26:38Z","content_type":null,"content_length":"24457","record_id":"<urn:uuid:2f11483d-9284-4760-a104-9fe18ddb6f17>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00519-ip-10-147-4-33.ec2.i... |
NVLD - Where does the 15 point limit come from? (Rewritten) - General Autism Discussion
NVLD - Where does the 15 point limit come from? (Rewritten) 1, 2, 3 Next
mrsmith Posted: Tue Nov 27, 2012 9:43 am Post subject: NVLD - Where does the 15 point l... | {"url":"http://www.wrongplanet.net/postt216539.html","timestamp":"2014-04-18T21:30:43Z","content_type":null,"content_length":"88644","record_id":"<urn:uuid:4a5738db-6579-4c5f-9f15-cbd16f1edf90>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00588-ip-10-147-4-33.ec2.internal.warc.gz"} |
Studies: Puzzles and Paradoxes (600)
We will consider both certain very well-known, and certain not so well-known, philosophical puzzles and paradoxes and solutions to those puzzle and paradoxes. In addition, we will see how such
puzzles and paradoxes figure into philosophy in general. Both historical and contemporary ... | {"url":"http://www2.lawrence.edu/fast/ryckmant/Phil82syllabus.htm","timestamp":"2014-04-17T10:16:51Z","content_type":null,"content_length":"52597","record_id":"<urn:uuid:fc086d96-7fb6-4350-b9ed-0206f2c252ec>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00130-ip-10-147-4-33.ec2.inter... |
Natural log problem
November 6th 2009, 03:04 PM #1
Jun 2007
Natural log problem
I have to find the first derivative of y= ln((1-cos(x))/(1+cos(x)))
the derivative of the ln is 1+cos(x)/1-cos(x)
and the derivative of the inner function is:
((1+cosx) (sinx) - (1-cos(x) (-sinx)
i then multiplied an... | {"url":"http://mathhelpforum.com/calculus/112840-natural-log-problem.html","timestamp":"2014-04-17T11:20:49Z","content_type":null,"content_length":"38190","record_id":"<urn:uuid:be175647-226c-47ea-a5f7-22464fed9b02>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00050-ip-10-147-4-33.e... |
"Sliding" Collision
Hello Guys…i will try to explain my problem (sorry the bad english ok)..??
I´m making a shooter in DevC++ with OpenGl…and i am new in collisions….but i made a “bounding box” collision..ok it works…but i want to do that collision like the professional games do, that when the
user collides, it slides ... | {"url":"http://devmaster.net/posts/9333/sliding-collision","timestamp":"2014-04-23T23:10:47Z","content_type":null,"content_length":"21326","record_id":"<urn:uuid:f90768f3-e073-42dc-ab6b-21367d3b1cbb>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00060-ip-10-147-4-33.ec2.internal.warc.... |
ASCI Strategic Investigation Team:
David H. Porter, Paul R. Woodward, S. E. Anderson
Laboratory for Computational Science & Engineering, University of Minnesota
... | {"url":"http://www.lcse.umn.edu/research/lanlrun/text.html","timestamp":"2014-04-19T02:15:41Z","content_type":null,"content_length":"11094","record_id":"<urn:uuid:0e686c50-f381-4c55-b4a0-dd848f6a49d1>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00303-ip-10-147-4-33.ec2.internal.war... |
How Many Scales Are There?
Feb 8
Last week's lecture in my jazz theory course was on a number of esoteric, derived, 7- and 8-note scales. The professor demonstrated each at the piano and took us through various harmonic
applications. Several of these came from Nicolas Slonimsky's Thesaurus of Scales and Melodic Pattern... | {"url":"http://fromthewoodshed.com/2010/02/08/how-many-scales-are-there/","timestamp":"2014-04-16T16:05:57Z","content_type":null,"content_length":"44121","record_id":"<urn:uuid:f73dbc51-0c5c-4897-927b-bf35e68c65b9>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00070-ip-10-147-4-33.ec2... |
Algebra II: Polynomials
Conjugate Zeros Theorem - If P(x) is a polynomial with real coefficients, and if a + bi is a zero of P , then a - bi is a zero of P .
Factor Theorem - If P(x) is a polynomial and P(a) = 0 , then x - a is a factor of P(x) . In other words, if the remainder when P(x) is divided by x - a is 0, then... | {"url":"http://www.sparknotes.com/math/algebra2/polynomials/terms.html","timestamp":"2014-04-21T09:52:31Z","content_type":null,"content_length":"56149","record_id":"<urn:uuid:f6098e19-d94f-4eef-8f0c-5b1648508072>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00128-ip-10-147-4-33.ec2.... |
Mathematical Connections: A Companion for Teachers and Others
This is a very valuable and well written book that goes into depth about certain high school mathematics topics, connects them, and in the process illustrates how to think like a mathematician. Its
primary audience is strong high school teachers, especially ... | {"url":"http://www.maa.org/publications/maa-reviews/mathematical-connections-a-companion-for-teachers-and-others?device=mobile","timestamp":"2014-04-19T07:58:06Z","content_type":null,"content_length":"37145","record_id":"<urn:uuid:fbf8e8cd-494b-4d3e-ac89-af13190fe442>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.... |
Doing Math in FPGAs, Part 2 (BCD) | EE Times
Most Recent Comments
4:38:42 PM
Flash Poll
All Polls
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Engineer's Bookshelf
The Engineering Life - Around the Web
Surprise TOQ Teardown at EELive!
Caleb Kraft Post a comment
This year, for EELive!... | {"url":"http://www.eetimes.com/messages.asp?piddl_msgthreadid=43760&piddl_msgid=282460","timestamp":"2014-04-18T20:45:44Z","content_type":null,"content_length":"176809","record_id":"<urn:uuid:b2fd6896-b1c4-46e6-9cdd-bf719a3be3bb>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00299-ip-... |
Help with finding percentiles in normal distribution
February 10th 2011, 04:58 PM #1
Sep 2009
Help with finding percentiles in normal distribution
Hey, i need help with this question
I have a normal distribution with a mean of 605 and a standard deviation of 185, how would i find the 44th percentile.
1.... | {"url":"http://mathhelpforum.com/statistics/170829-help-finding-percentiles-normal-distribution.html","timestamp":"2014-04-17T01:23:49Z","content_type":null,"content_length":"33983","record_id":"<urn:uuid:f52eeb2e-fc11-4a11-a4cf-8dd1ea15901e>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005... |
Papers Published
1. da Silva, A.K. and Bejan, A. and Lorente, S., Maximal heat transfer density in vertical morphing channels with natural convection, Numer. Heat Transf. A, Appl. (UK), vol. 45 no. 2 (2004), pp. 135
- 52 [10407780390236389] .
(last updated on 2007/04/06)
In this article we show numerically... | {"url":"http://fds.duke.edu/db/pratt/mems/faculty/sylvie.lorente/publications/57242","timestamp":"2014-04-16T10:56:13Z","content_type":null,"content_length":"16023","record_id":"<urn:uuid:963a8c53-b908-4c83-b669-3611ae1662e3>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00057-ip-10-... |
Announcing the Revised Foundations of GMAT Math
10 chapters and over 500 pages, the new Foundations of GMAT Math is a significant upgrade from the previous edition.
Covering algebra, geometry, number properties, and more, Foundations of GMAT Math was revised to focus not only on foundational knowledge, but on computati... | {"url":"http://www.manhattangmat.com/blog/index.php/2011/11/16/announcing-the-revised-foundations-of-gmat-math/","timestamp":"2014-04-18T23:16:57Z","content_type":null,"content_length":"57221","record_id":"<urn:uuid:5e500c08-d9cf-4845-8758-9f5bd2061a36>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-... |
Laffer Curve
The Laffer Curve is a mathematical shape that shows the relationship between tax rates and the revenue governments collect from those taxes. The Laffer Curve is shaped like an upside down U. The
Laffer Curve is not fixed, however. The Laffer Curve shows that as tax rates rise, tax revenues increase.... | {"url":"http://www.investorglossary.com/laffer-curve.htm","timestamp":"2014-04-17T02:50:39Z","content_type":null,"content_length":"35642","record_id":"<urn:uuid:7dbeb078-1a54-4054-8f66-fbebbc0e6d97>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00541-ip-10-147-4-33.ec2.internal.warc.... |
Differentiating natural logs and exponential functions?
by Mirth
Tags: differentiating, exponential, functions, logs, natural
P: 23 Hey all, I'm really having a hard time figuring out a couple of problems in which I have to differentiate:
1: [tex] \frac{e^3^x}{\ln x} [/tex]
... | {"url":"http://www.physicsforums.com/showthread.php?t=307139","timestamp":"2014-04-18T18:19:06Z","content_type":null,"content_length":"56177","record_id":"<urn:uuid:c1516766-0d8a-4670-ab8b-11e0114358c3>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00169-ip-10-147-4-33.ec2.internal.wa... |
Videos for tangent slope - Homework Help Videos - Brightstorm
How to estimate the instantaneous rate of change of the amount of a drug in a patient's bloodstream computing average rates of change over shorter and shorter intervals of time, and how to represent
this rate of change on a graph. | {"url":"http://www.brightstorm.com/tag/tangent-slope/","timestamp":"2014-04-20T21:09:08Z","content_type":null,"content_length":"67939","record_id":"<urn:uuid:4cc07a5e-9a4f-431d-a5a7-ea19eeddd74f>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00630-ip-10-147-4-33.ec2.internal.warc.gz"... |
In Texas we have recently dereulated the Texas Utilities and they have decided to start a tarrif for power factors under .95.
So in an effort to show the company I work for what the future costs are going to be I was calculating the input power of our motors with several different power factors. What I saw shocked my l... | {"url":"http://www.control.com/thread/1026184822","timestamp":"2014-04-21T05:33:22Z","content_type":null,"content_length":"35218","record_id":"<urn:uuid:5754c7cd-5fe2-46e9-b950-2d1b53125025>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00124-ip-10-147-4-33.ec2.internal.warc.gz"} |
Got Homework?
Connect with other students for help. It's a free community.
• across
MIT Grad Student
Online now
• laura*
Helped 1,000 students
Online now
• Hero
College Math Guru
Online now
Here's the question you clicked on:
Factor 5x4 - 30x2 - 135. 5(x2+ 9)(x2- 3) *********** 5(x - 3)(... | {"url":"http://openstudy.com/updates/511f20a8e4b06821731c5504","timestamp":"2014-04-17T12:38:13Z","content_type":null,"content_length":"42067","record_id":"<urn:uuid:29925982-9a97-4130-9fe0-79bfbf4ea428>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00617-ip-10-147-4-33.ec2.internal.... |
[FOM] Why rigour and formalization?
Vladimir Sazonov Vladimir.Sazonov at liverpool.ac.uk
Fri Jan 18 20:42:16 EST 2008
It seems there is opinion that mathematicians are so pedantic in using
rigorous proofs because they care about precision of their results and
also about reliability of their proof. The latter means that... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2008-January/012538.html","timestamp":"2014-04-21T05:56:55Z","content_type":null,"content_length":"7682","record_id":"<urn:uuid:841652c6-d8c8-4dd6-a15f-3823b78c7ac5>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00558-ip-10-147-4-33.ec2.int... |
Character Sets
The character set chset matches a set of characters over a finite range bounded by the limits of its template parameter CharT. This class is an optimization of a parser that acts on a set of single
characters. The template class is parameterized by the character type CharT and can work efficiently with 8... | {"url":"http://www.boost.org/doc/libs/1_33_1/libs/spirit/doc/character_sets.html","timestamp":"2014-04-17T07:04:37Z","content_type":null,"content_length":"9744","record_id":"<urn:uuid:77fff3a5-881e-43f9-9ec0-10a5cf2425fc>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00435-ip-10-147-... |
Please Help - statements about functions
December 13th 2009, 02:35 AM #1
Please Help - statements about functions
In front of you four statements that regard to functions f:R-->R.
1. Exist a>0 and exist x in R so that f(x+a)=f(x)
2. For every a>0, exist x in R so that f(x+a)=f(x)
3. Exist a>0 so that fo... | {"url":"http://mathhelpforum.com/calculus/120176-please-help-statements-about-functions.html","timestamp":"2014-04-21T00:09:27Z","content_type":null,"content_length":"45857","record_id":"<urn:uuid:c2280945-b6bb-4062-80dd-c304a2ed4380>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-005... |
Analysis of A Cone-based Distributed Topology Control Algorithm for Wireless Multi-hop Networks
Results 1 - 10 of 102
, 2002
"... In this paper, we present a Minimum Spanning Tree (MST) based topology control algorithm, called Local Minimum Spanning Tree (LMST), for wireless multi-hop networks. In this algorithm, each ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=135609","timestamp":"2014-04-16T23:05:12Z","content_type":null,"content_length":"41400","record_id":"<urn:uuid:1a74ab15-3750-46cd-a8bb-1e8733f4bdd3>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00203-ip-10-147-4-33.ec2.internal.war... |
Hochschild homology and change of non-ground ring
up vote 4 down vote favorite
Let $k$ be a field, $R$ is a commutative algebra over $k$ and $A$ is an associative algebra over $R$. There is a morphism of commutative algebras $R \to T$. Is it possible to reduce calculation of
Hochschild homology $HH_*(A\otimes_R T)$ (ov... | {"url":"http://mathoverflow.net/questions/117458/hochschild-homology-and-change-of-non-ground-ring","timestamp":"2014-04-20T08:25:52Z","content_type":null,"content_length":"61603","record_id":"<urn:uuid:0dd253dc-f06f-44a1-9658-aca30c080577>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-2014041600521... |
FACIAL BEAUTY AND FRACTAL GEOMETRY
Note IDSIA-28-98, June 7, 1998
Jürgen Schmidhuber
... | {"url":"http://cogprints.org/690/1/newlocoface.html","timestamp":"2014-04-17T04:07:13Z","content_type":null,"content_length":"14020","record_id":"<urn:uuid:c466d124-fc99-4a60-ba2d-c32fd5c3b2a5>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00614-ip-10-147-4-33.ec2.internal.warc.gz"} |
A Guide to the Jean Van Heijenoort Papers,
Descriptive Summary
Scope and Contents
Index terms
Related Material
Administrative Information
Description of Series
Writings of Jean van Heijenoort:
Writings of others:
From Frege to Gödel:
Material donated by Irving H. Anellis:
A Guide to the Jean Van Heijenoort Papers, 1946... | {"url":"http://www.lib.utexas.edu/taro/utcah/00245/cah-00245.html","timestamp":"2014-04-20T01:11:03Z","content_type":null,"content_length":"67980","record_id":"<urn:uuid:9971b9b6-a419-47aa-a896-4e76da62eded>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00452-ip-10-147-4-33.ec2.intern... |
Comments on A Neighborhood of Infinity: The Angel Problem has been Solved! (Maybe)These comments have been invaluable to me as is th..."Can someone fill in the argument for me?"I've sen..."How can the Angel ever win, if his only goal in w...Anonymous,That's a good question! The game ends wh...How can the Angel ever win... | {"url":"http://blog.sigfpe.com/feeds/6354128629902531171/comments/default","timestamp":"2014-04-19T06:53:29Z","content_type":null,"content_length":"22232","record_id":"<urn:uuid:5b79db04-a383-4fac-9da2-2a43c83eb9bb>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00565-ip-10-147-4-33.e... |
Copyright © University of Cambridge. All rights reserved.
'Slingshot' printed from http://nrich.maths.org/
A slingshot is a small projectile weapon which consists of a Y-shaped frame held in one hand, with two rubber strips attached to the uprights.
Rubber strips obey Hooke's law which says that when a rubber strip is ... | {"url":"http://nrich.maths.org/7664/index?nomenu=1","timestamp":"2014-04-17T12:40:07Z","content_type":null,"content_length":"3774","record_id":"<urn:uuid:7ebdc4cd-8343-47d3-9a4a-32b9b0828400>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00592-ip-10-147-4-33.ec2.internal.warc.gz"} |
Brandamore Math Tutor
...I have worked for over 10 years in environmental consulting and engineering and for over 15 years in finance and mortgage lending. I left consulting simply because I could no longer travel for
extended periods of time as a single parent as when you clean up hazardous waste sites, you have t... | {"url":"http://www.purplemath.com/brandamore_math_tutors.php","timestamp":"2014-04-17T15:54:26Z","content_type":null,"content_length":"23611","record_id":"<urn:uuid:413fd852-f3b3-42a5-9430-97d0d2812928>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00086-ip-10-147-4-33.ec2.internal.wa... |
Marginal Rate Of Substitution Help for Consumer Theory - Transtutors
Marginal Rate Of Substitution
Marginal rate of substitution (MRS) is the basis of indifference curve analysis. It indicates the rate at which the commodities can be substituted at the margin in such a manner that the total
satisfaction of the consumer... | {"url":"http://www.transtutors.com/homework-help/business-economics/consumer-theory/marginal-rate-substitution.aspx","timestamp":"2014-04-19T19:34:45Z","content_type":null,"content_length":"103205","record_id":"<urn:uuid:9fba2ae4-789a-4919-b87a-0e810c1a24f3>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC... |
Analysis of macro-diversity in
1. Introduction
3GPP LTE [1] is based on Orthogonal Frequency Division Multiple Access (OFDMA) technology. One of the main goals of LTE is to provide seamless access to voice and multimedia services with strict
latency requirements which is achieved by the current technology while achievi... | {"url":"http://www.freepatentsonline.com/article/KSII-Transactions-Internet-Information-Systems/272246280.html","timestamp":"2014-04-18T03:06:40Z","content_type":null,"content_length":"54140","record_id":"<urn:uuid:425bc204-cb7d-4233-9f5e-6ff88dd6c6e2>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-... |
Gas Chemistry
Thomas Engel, Philip Reid
Physical Chemistry with Spartan Student Physical Chemistry Software
Physical Chemistry is a groundbreaking new book that explains core topics in depth with a focus on basic principles, applications, and modern research. The authors hone in on key concepts and cover
them thoroug... | {"url":"http://www.internetchemistry.com/chemistry/gas-chemistry.htm","timestamp":"2014-04-20T18:55:29Z","content_type":null,"content_length":"34302","record_id":"<urn:uuid:e59d0505-e61f-4a37-88eb-c7bad73e6047>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00647-ip-10-147-4-33.ec2.in... |
Re: polresultant disagrees with sage, maxima and magma
Andreas Enge on Thu, 20 Sep 2012 16:30:40 +0200
[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]
Re: polresultant disagrees with sage, maxima and magma
On Thu, Sep 20, 2012 at 03:19:52PM +0100, John Cremona wrote:
> I don't think this... | {"url":"http://pari.math.u-bordeaux.fr/archives/pari-dev-1209/msg00033.html","timestamp":"2014-04-20T11:13:24Z","content_type":null,"content_length":"6152","record_id":"<urn:uuid:bab93c0c-eb91-494f-a0ec-d79d9ab5deeb>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00320-ip-10-147-4-33.... |
Unbounded countable subset
up vote 3 down vote favorite
(Edit: The first formulation is wrong. See the second answer) Does every totally ordered set contain an unbounded countable subset. In other words: If S is a totally ordered set, can we find a (edit:
at most) countable subset A, such that for every $s \in S$, ther... | {"url":"http://mathoverflow.net/questions/6895/unbounded-countable-subset","timestamp":"2014-04-17T07:48:59Z","content_type":null,"content_length":"61501","record_id":"<urn:uuid:88fa1982-4827-4b73-982f-e6f6e655447a>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00209-ip-10-147-4-33.e... |
[Maxima] Simple system of equations
Ken Johnson othojunk at yahoo.com
Tue Sep 2 12:29:11 CDT 2008
> 1. You have a variable x and a function x. Are they related?
Yes, they are supposed to represent the same thing.
> 2. I think that you should use assignment, not function definition.
I guess I was trying to make this t... | {"url":"http://www.ma.utexas.edu/pipermail/maxima/2008/013232.html","timestamp":"2014-04-20T18:25:55Z","content_type":null,"content_length":"3296","record_id":"<urn:uuid:8747522e-e6ff-46b3-8031-45fd80151bcf>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00402-ip-10-147-4-33.ec2.inter... |
Clifton, NJ Prealgebra Tutor
Find a Clifton, NJ Prealgebra Tutor
...I have experience tutoring in both of these subjects as well as SAT Math. I tutored a Junior in HS for the SAT Math section, a freshman in HS in all subjects, a 6th and 8th grader in Math, as
well as students at the elementary age (K-6) in all subj... | {"url":"http://www.purplemath.com/Clifton_NJ_Prealgebra_tutors.php","timestamp":"2014-04-19T15:02:48Z","content_type":null,"content_length":"24141","record_id":"<urn:uuid:d07a96fa-8b19-4c20-856a-f217675e852a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00440-ip-10-147-4-33.ec2.inter... |
Understanding Multiplication
Multiplication is a very controversial topic as many feel strongly about how it should be taught. I thought that it would be very interesting to investigate rote memorization and the more traditional
method of having children take more responsibility for their own learning. Throughout my re... | {"url":"http://understandingmultiplication.blogspot.com/","timestamp":"2014-04-19T15:34:45Z","content_type":null,"content_length":"59497","record_id":"<urn:uuid:9bf7c29e-7955-48d8-9a81-8d8dcb85695b>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00499-ip-10-147-4-33.ec2.internal.warc.... |
The differences of spectral projections and scattering matrix
Seminar Room 1, Newton Institute
Let A and B be self-adjoint operators in a Hilbert space such that the difference B-A is a trace class operator. For an interval I in the real line, we consider the self-adjoint operator D, defined
as the difference between t... | {"url":"http://www.newton.ac.uk/programmes/STP/seminars/2006072415301.html","timestamp":"2014-04-17T09:44:57Z","content_type":null,"content_length":"5295","record_id":"<urn:uuid:ae3458b3-71a2-400b-b880-7d663da7540f>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00203-ip-10-147-4-33.ec... |
Distance vs. Beam Angle vs. Beam Spread
Foxinabox10 Member
Likes Received:
Does anyone know of a formula that takes the beam angle and throw distance and gives the resulting light diameter at both visible width and effective width?
BillESC Well-Known Member Premium Member
Likes Received:
A handy quick referrenc... | {"url":"http://www.controlbooth.com/threads/distance-vs-beam-angle-vs-beam-spread.2785/","timestamp":"2014-04-17T09:57:38Z","content_type":null,"content_length":"54178","record_id":"<urn:uuid:63835037-3738-4085-9b02-6153e38645b3>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00327-ip-... |
Post by thread:[EE] Current and Power calculations for unbalanced
Exact match. Not showing close matches.
PICList Thread
'[EE] Current and Power calculations for unbalanced'
2009\09\03@092932 by Aaron
I have 3 resistance heaters. One is rated for 880 watts at 220 VAC and
the other two are each rated for 400 watts at 22... | {"url":"http://www.piclist.com/techref/postbot.asp?by=thread&id=%5BEE%5D+Current+and+Power+calculations+for+unbalanced&w=body&author=Sean+Breheny&tgt=post","timestamp":"2014-04-18T16:42:15Z","content_type":null,"content_length":"31490","record_id":"<urn:uuid:d9344a26-611a-4673-8b45-cabbb61caffb>","cc-path":"CC-MAIN-201... |
Computational & Applied Mathematics
Serviços Personalizados
Links relacionados
versão On-line ISSN 1807-0302
Comput. Appl. Math. vol.30 no.1 São Carlos 2011
Two derivative-free methods for solving underdetermined nonlinear systems of equations
N. Echebest^I; M. L. Schuverdt^II, *; R. P. Vignau^I
^IDepartment of Mathem... | {"url":"http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1807-03022011000100011&lng=pt&nrm=iso&tlng=en","timestamp":"2014-04-18T08:21:23Z","content_type":null,"content_length":"127194","record_id":"<urn:uuid:22a0d78c-f003-4b3e-bd7c-1b350c8dd527>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-... |
Friend in trouble, needs legal advice.
Hi guys, I'm new here and I'm planning to go to law school. I have a friend whose brother got into some real trouble last week. His brother was on a myspace forum and he had posted an ad for his
rims. He had his phone number posted on the ad also.
So some random guy calls his phon... | {"url":"http://www.lawschooldiscussion.org/index.php?topic=3005233.msg3042583","timestamp":"2014-04-18T01:27:20Z","content_type":null,"content_length":"27296","record_id":"<urn:uuid:79ca1bf2-82eb-420c-84df-90355391a6a4>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00598-ip-10-147-4-... |
could anyone help me solve these kinds of problems 5-4m+8+2m>-17 - Homework Help - eNotes.com
could anyone help me solve these kinds of problems 5-4m+8+2m>-17
When solving inequalities, you generally take the same approach as if it were an equality, keeping a couple things in mind:
1. The answer will be an inequality a... | {"url":"http://www.enotes.com/homework-help/could-anyone-help-me-solve-these-kinds-problems-5-276207","timestamp":"2014-04-18T01:02:07Z","content_type":null,"content_length":"27078","record_id":"<urn:uuid:fd5f632e-9f80-4451-9505-7e95fdbfa946>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Is the Dirac delta function diffeomorphism invariant?
Replies: 6 Last Post: Dec 26, 2012 6:50 PM
... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2419439","timestamp":"2014-04-18T20:53:23Z","content_type":null,"content_length":"23997","record_id":"<urn:uuid:053b1fec-f0a0-4b2b-8900-03405b965526>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00424-ip-10-147-4-33.ec2.internal.wa... |
Tarzana Math Tutor
...My name is Stephanie, and I want to thank you for considering me as your personal tutor and life coach! My objective is to get to know where you are in your educational journey, where you want
to go, why you want to get there, and help you reach your goals by creating a path to success. I have... | {"url":"http://www.purplemath.com/tarzana_math_tutors.php","timestamp":"2014-04-19T23:11:37Z","content_type":null,"content_length":"23494","record_id":"<urn:uuid:41a73179-dffc-4578-acfe-6e0856f3a804>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00158-ip-10-147-4-33.ec2.internal.warc... |
[plt-scheme] ML pattern programming macro in scheme
From: Paulo Jorge de Oliveira Cantante de Matos (pocm at netvisao.pt)
Date: Wed Mar 3 19:02:29 EST 2004
Dear all,
While studying SML through Paulson's book I just found nice to write
procedures whose arguments where some kind of pattern, based on lists...
so I though.... | {"url":"http://lists.racket-lang.org/users/archive/2004-March/004726.html","timestamp":"2014-04-19T10:18:32Z","content_type":null,"content_length":"8996","record_id":"<urn:uuid:033e4f31-1684-4b84-93d6-28fa91cbebc2>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00597-ip-10-147-4-33.ec... |
Post a reply
Differentiating the products and quotients of trig functions tend to create a monster, since the product and quotient rule for differentials tend to produce expressions that are a bit on the long
side. This tends to lead to a trigonometric identity nightmare! What I'm wondering is, is it ok to rearrange th... | {"url":"http://www.mathisfunforum.com/post.php?tid=2073&qid=19037","timestamp":"2014-04-18T23:18:01Z","content_type":null,"content_length":"17366","record_id":"<urn:uuid:2c437796-c542-49b9-acb0-4c9f1ce07e4a>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00442-ip-10-147-4-33.ec2.intern... |
Algebra - solve for x and y
November 8th 2005, 03:44 PM #1
Nov 2005
Algebra - solve for x and y
I have two equations:
18x + 3y = 120
x + y = 15
I know that the answers are:
x = 5
y = 10
I could only solve it by punching in numbers and seeing if the problem was solved. I would like to kno... | {"url":"http://mathhelpforum.com/algebra/1245-algebra-solve-x-y.html","timestamp":"2014-04-16T20:16:29Z","content_type":null,"content_length":"40912","record_id":"<urn:uuid:7480754e-c0d9-4b89-b5c1-251e32f78878>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00487-ip-10-147-4-33.ec2.in... |
How to find domain and range on graphing calculator?
May 8, 2008 8:37 PM Subscribe
How (if possible) can you find the domain and range of a graph on a graphing calculator (which in my case is a TI-84 Plus)?
posted by meta.mark to Education (3 answers total)
Strictly speaking, the domain and range of the graph are defi... | {"url":"http://ask.metafilter.com/90945/How-to-find-domain-and-range-on-graphing-calculator","timestamp":"2014-04-19T09:11:42Z","content_type":null,"content_length":"21713","record_id":"<urn:uuid:eef0ccb2-11ca-4afb-8c11-426bdccffe00>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-0061... |
Physics Forums - View Single Post - Proving Gregory's formula
I was talking to a friend of mine that's studying math at the university here and he gave me this problem to solve: Prove Gregory's formula. I'm going nuts. I've broken it down into a single sum like
[tex] \frac{\pi}{4} = 1-\frac{1}{3}+\frac{1}{5}-\frac{1}{... | {"url":"http://www.physicsforums.com/showpost.php?p=110018&postcount=1","timestamp":"2014-04-17T18:35:37Z","content_type":null,"content_length":"9130","record_id":"<urn:uuid:d06d8172-29b7-4eeb-aab4-98f8e3d9f7ca>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00086-ip-10-147-4-33.ec2.i... |
note tye <p> I suggest you do a search for "sphere packing problem" and see the variety of problems that fall under this category. I ran into several before hitting the "kissing number" problem for
idential spheres in different numbers of dimensions that you seem to think is the only one. </p><p> From what I read, the ... | {"url":"http://www.perlmonks.org/?displaytype=xml;node_id=40467","timestamp":"2014-04-24T09:27:08Z","content_type":null,"content_length":"1233","record_id":"<urn:uuid:0acd9fb3-4973-44da-944e-2293ed566517>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00244-ip-10-147-4-33.ec2.internal... |
The distance used for scaling disparities is the same as the one used for scaling retinal size. Vision research
, 2001
"... depth ambiguities. Without promoting the cues, their raw data (e.g., disparities and velocities) are in different units so that simple cue-combination strategies, such as averaging the depth
estim... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2035539","timestamp":"2014-04-16T23:16:20Z","content_type":null,"content_length":"25256","record_id":"<urn:uuid:bf4bdf06-2ab9-4e0c-9fcc-871e8184b354>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00548-ip-10-147-4-33.ec2.internal.war... |
MathGroup Archive: March 2009 [01165]
[Date Index] [Thread Index] [Author Index]
Re: manipulate, NDSolve, Evaluate
• To: mathgroup at smc.vnet.net
• Subject: [mg98134] Re: manipulate, NDSolve, Evaluate
• From: pajake <jtrexel at ix.netc... | {"url":"http://forums.wolfram.com/mathgroup/archive/2009/Mar/msg01165.html","timestamp":"2014-04-20T16:10:36Z","content_type":null,"content_length":"28167","record_id":"<urn:uuid:d70bc54a-28fb-4cae-ab85-fddcbbe8771c>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00042-ip-10-147-4-33.... |
15-854(B): Advanced Approximation Algorithms, Spring 2008
Lecturers: Anupam Gupta and Ryan O'Donnell
Time: TuTh 1:30-2:50, Wean 5409
Course Blog: http://approximability.blogspot.com/
Course information
How to scribe
Definitions of some NP optimization problems we'll study
Homework 1 (due Tuesday, January 29... | {"url":"http://www.cs.cmu.edu/~anupamg/adv-approx/","timestamp":"2014-04-18T18:53:24Z","content_type":null,"content_length":"10054","record_id":"<urn:uuid:87579252-bf80-4b13-b8c5-d79aee573752>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00587-ip-10-147-4-33.ec2.internal.warc.gz"} |
Painting a Column
Date: 07/13/97 at 15:39:34
From: Cathy Ryan
Subject: Painting a Column
If I have a column 9.5 feet long and 8 inches in diameter, how do I
figure how much paint I need to cover the outside area?
Date: 07/16/97 at 04:40:39
From: Doctor Sydney
Subject: Re: Painting a Column
To help you understand how to... | {"url":"http://mathforum.org/library/drmath/view/56464.html","timestamp":"2014-04-17T01:00:45Z","content_type":null,"content_length":"8121","record_id":"<urn:uuid:2b5eec0f-39e0-4831-8c75-cc41fceeccb3>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00222-ip-10-147-4-33.ec2.internal.warc... |
Acta Physica
Acta Physica chronicles the development of the theory of Holeums - theorized stable, quantized gravitational bound states of micro black holes.
The Holeum was first proposed in 2002 [Class. Quantum Grav. 19 2927, arXiv:gr-qc/0308054]. Holeums range in size from ultra-microscopic particles that inhabit the ... | {"url":"http://actaphysica.com/","timestamp":"2014-04-16T13:03:32Z","content_type":null,"content_length":"16918","record_id":"<urn:uuid:57d76816-856b-483e-88ee-415a9a520907>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00559-ip-10-147-4-33.ec2.internal.warc.gz"} |
Statics problem
I know you guys want my attempt at the problem but I'll be honest I'm not even entirely sure as to how to set the problem up. I have a computer problem i need to do. I'm sure i'd be able to figure
this out if it weren't for the fact there is a variable which throws me off. I'm not that great at this alr... | {"url":"http://www.physicsforums.com/showthread.php?t=266981","timestamp":"2014-04-16T13:46:46Z","content_type":null,"content_length":"20792","record_id":"<urn:uuid:7d05967f-f614-47f6-ae01-de8e4ecc48ba>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00044-ip-10-147-4-33.ec2.internal.w... |
How many inches is 60-70 centimeters?
• Japanese college students struggle to answer basic astronomy questions
Roughly 40% of the elementary school students thought that the sun went around the earth, and only 60-70% of the students knew that ... He added that when asking students to estimate 30
centimeters o... | {"url":"http://answerparty.com/question/answer/how-many-inches-is-60-70-centimeters","timestamp":"2014-04-20T05:43:59Z","content_type":null,"content_length":"18338","record_id":"<urn:uuid:1cc65838-8652-4a1c-9f36-77f45a0c731d>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00240-ip-10-... |
This Article
Bibliographic References
Add to:
An Approximation Algorithm for Scheduling Tasks on Varying Partition Sizes in Partitionable Multiprocessor Systems
December 1992 (vol. 41 no. 12)
pp. 1572-1579
ASCII Text ... | {"url":"http://www.computer.org/csdl/trans/tc/1992/12/t1572-abs.html","timestamp":"2014-04-16T10:43:03Z","content_type":null,"content_length":"55201","record_id":"<urn:uuid:40345904-e8a9-488a-8d6a-14e3abcba325>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00321-ip-10-147-4-33.ec2.in... |
Haar measure on Galois groups
up vote 2 down vote favorite
Galois groups are nice compact Hausdorff groups, and therefore possess a bounded Haar measure, unique if we insist that the total volume be $1$. What is the Haar measure on the absolute Galois group
of $\mathbb{Q}$ (or of any other number field)? Is there any a... | {"url":"https://mathoverflow.net/questions/113922/haar-measure-on-galois-groups","timestamp":"2014-04-18T16:25:53Z","content_type":null,"content_length":"52663","record_id":"<urn:uuid:db976d5d-ed99-41af-a03e-4e788aa63aeb>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00013-ip-10-147-... |
The historical development of automorphic geometry
up vote 4 down vote favorite
Background: Today the notion of automorphic geometry is often framed in the context of the Langlands program, in particular what is sometimes called the Langlands reciprocity conjecture. This is
often phrased as the expectation that all mot... | {"url":"http://mathoverflow.net/questions/85523/the-historical-development-of-automorphic-geometry/85532","timestamp":"2014-04-16T14:00:19Z","content_type":null,"content_length":"69144","record_id":"<urn:uuid:d9d82b2f-3bc2-4613-ab2c-f3ddb8a943c6>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-201404... |
When 51^25 is divided by 13, the remainder obtained is:
Author Message
When 51^25 is divided by 13, the remainder obtained is: [#permalink] 04 Apr 2012, 07:43
This post received
... | {"url":"http://gmatclub.com/forum/when-51-25-is-divided-by-13-the-remainder-obtained-is-130220.html?sort_by_oldest=true","timestamp":"2014-04-19T22:50:20Z","content_type":null,"content_length":"252743","record_id":"<urn:uuid:d94987d1-97b3-400b-ac4f-3dfcd67a1a7e>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/war... |
How to find next to optimal path in hidden Markov model or what should be LIST-Viterbi algorithm ?
up vote 1 down vote favorite
The Viterbi algorithm is an algorithm for finding the most likely sequence of hidden states – called the Viterbi path.
Question If I am interested in list of several paths - optimal, sub-optim... | {"url":"http://mathoverflow.net/questions/103603/how-to-find-next-to-optimal-path-in-hidden-markov-model-or-what-should-be-list-v","timestamp":"2014-04-17T04:40:06Z","content_type":null,"content_length":"59639","record_id":"<urn:uuid:3393c8fd-f4ca-4363-9331-7999e98ce588>","cc-path":"CC-MAIN-2014-15/segments/13982232117... |
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Scientific computing using streaming processors
In recent years, several companies such as NVIDIA, ATI, ClearSpeed, and IBM-Toshiba-Sony have released a new generation of processors based on a streaming architectur... | {"url":"http://www.cds.caltech.edu/~marsden/si2007/abstracts/","timestamp":"2014-04-19T01:48:14Z","content_type":null,"content_length":"25481","record_id":"<urn:uuid:2d6e55d0-cc23-4ddd-839e-921f7f12d018>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00100-ip-10-147-4-33.ec2.internal.w... |
Haledon Algebra 2 Tutor
...I engage the audience with interactive dialogue, soliciting their feedback and keying off of their interests. I am highly proficient in using PowerPoint and similar tools, as well as video and
audio editing, to enhance presentations. I have been cooking for over 40 years, since I was 8.
... | {"url":"http://www.purplemath.com/haledon_nj_algebra_2_tutors.php","timestamp":"2014-04-19T12:07:19Z","content_type":null,"content_length":"23893","record_id":"<urn:uuid:f734ec22-7e75-4a18-9f91-9741afd71611>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00168-ip-10-147-4-33.ec2.inter... |
Cottage City, MD Algebra Tutor
Find a Cottage City, MD Algebra Tutor
...I did very well on the math portion of the SAT by scoring 720. I am no stranger to tutoring undergraduates. From my sophomore year on, I was a greatly demanded tutor for Morehouse’s
Mathematics Department.
11 Subjects: including algebra 1, al... | {"url":"http://www.purplemath.com/cottage_city_md_algebra_tutors.php","timestamp":"2014-04-19T05:19:07Z","content_type":null,"content_length":"24378","record_id":"<urn:uuid:b2dabaa8-d4e9-4c57-8d88-1cab9630aac0>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00350-ip-10-147-4-33.ec2.in... |
Combinations of digits - formula needed.
September 13th 2010, 03:47 AM
Combinations of digits - formula needed.
Hi there,
Lets look at this little problem...
- Given the integer number 123, combining its digits in all possible positions, the results are:
123, 132, 213, 231, 312, 321
... a total of 6... | {"url":"http://mathhelpforum.com/discrete-math/156013-combinations-digits-formula-needed-print.html","timestamp":"2014-04-18T16:25:43Z","content_type":null,"content_length":"18672","record_id":"<urn:uuid:83a32065-d02b-4bbe-b575-58185327ddff>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005... |
What Is an Integer in Algebra Math? | The Classroom | Synonym
In algebra, students use letters and symbols in place of numbers in order to solve mathematical equations. In this branch of math, the term "integer" is frequently used. An integer is any whole
number, whether that number is positive or negative. Fractions a... | {"url":"http://classroom.synonym.com/integer-algebra-math-2615.html","timestamp":"2014-04-18T05:30:34Z","content_type":null,"content_length":"31545","record_id":"<urn:uuid:eb86494e-2c04-49b0-b741-75b279d341d8>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00197-ip-10-147-4-33.ec2.inte... |
188 helpers are online right now
75% of questions are answered within 5 minutes.
is replying to Can someone tell me what button the professor is hitting...
• Teamwork 19 Teammate
• Problem Solving 19 Hero
• Engagement 19 Mad Hatter
• You have blocked this person.
• ✔ You're a fan Checking fan status...
Thanks... | {"url":"http://openstudy.com/users/ilikephysics2/answered/1","timestamp":"2014-04-20T06:26:33Z","content_type":null,"content_length":"115686","record_id":"<urn:uuid:fcce865a-ae38-4832-bf77-a74fdcd25125>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00104-ip-10-147-4-33.ec2.internal.w... |
June 10th 2009, 04:45 PM #1
Junior Member
Apr 2009
at the whistle top cafe,15 of the 19 patrons are mechanics. If a sample of 8 is taken, what is the probability that exactly 5 patrons are mechanics
Hello, Dan!
At the Whistle Top Cafe,15 of the 19 patrons are mechanics.
If a sample of 8 is taken, wh... | {"url":"http://mathhelpforum.com/statistics/92500-probability.html","timestamp":"2014-04-16T08:06:17Z","content_type":null,"content_length":"38172","record_id":"<urn:uuid:1303e858-a33d-45d5-a9c9-1e3adae58ecf>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00388-ip-10-147-4-33.ec2.inte... |
Calc Test 3
Critical Number
let f be defined at c. If f '(c)=0 or if f is not differentiable at c, then c is a critical number of f
The First Derivative Test
Let c be a critical number of a function f which is continuous on the open interval I containing c. If f is differentiable on the interval, except possibly at ... | {"url":"http://quizlet.com/3481602/calc-test-3-flash-cards/","timestamp":"2014-04-18T05:31:43Z","content_type":null,"content_length":"50905","record_id":"<urn:uuid:3cdadc3e-ed24-4c75-b8eb-e135eee098ce>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00214-ip-10-147-4-33.ec2.internal.war... |
Patent US20080072189 - Integrated Circuit Chip Having On-Chip Signal Integrity and Noise Verification Using Frequency Dependent RLC Extraction and Modeling Techniques
This application is a continuation of U.S. Ser. No. 10/274,861 fled Oct. 21, 2002, entitled Method for on-chip integrity and notice verification using fr... | {"url":"http://www.google.com/patents/US20080072189?ie=ISO-8859-1","timestamp":"2014-04-16T11:23:22Z","content_type":null,"content_length":"76393","record_id":"<urn:uuid:e343c9a4-ed84-4743-94e2-fb9a2d182748>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00126-ip-10-147-4-33.ec2.inter... |
Find the measure of each angle in the quadrilateral.
December 7th 2009, 02:58 PM #1
Jul 2008
Find the measure of each angle in the quadrilateral:
Angle S= 2x+20
Angle R=3x-20
Angle Q= x+10
Angle T= 2x
P.S= explain how you did it because i couldn't understand how to.
The four angles of a ... | {"url":"http://mathhelpforum.com/geometry/119182-find-measure-each-angle-quadrilateral.html","timestamp":"2014-04-17T01:50:42Z","content_type":null,"content_length":"36907","record_id":"<urn:uuid:0f21cc33-d5f0-4803-b43b-8720c5e7cc7d>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00286... |
How to run TxBR?
Skip to end of metadata Go to start of metadata
TxBR is developed on top of the IMOD utilities. At this time, it does not offer any fiducial tracking options and it loosely follows the eTomo reconstruction scheme. In the following, we assume the
user familiar with its process.
TxBR in one command line
... | {"url":"https://confluence.crbs.ucsd.edu/pages/viewpage.action?pageId=13042123","timestamp":"2014-04-20T23:27:04Z","content_type":null,"content_length":"73112","record_id":"<urn:uuid:565d8f5a-26fd-4ee2-86ce-112c119f7a3c>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00527-ip-10-147-4... |
Need a book on D'Alembert solution and a book on Poisson's equation.
I need to find a good book contain D'Alembert solution. I have five PDE book and all there section on D'Alembert is not good. They all a little different and none are continuous. I yet to find one
that go through step by step on wave equation with inf... | {"url":"http://www.physicsforums.com/showthread.php?t=391410","timestamp":"2014-04-17T07:32:28Z","content_type":null,"content_length":"20088","record_id":"<urn:uuid:ba53abd7-a0df-478a-8b8c-9dc1fce73132>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00596-ip-10-147-4-33.ec2.internal.w... |
El Cerrito Trigonometry Tutor
Find an El Cerrito Trigonometry Tutor
...Further we learn about factorization and the solutions of quadratic equations. Seeing many advanced students who struggle with algebra 1 concepts makes me feel good about my algebra 1 students
because I help them to learn it properly from the be... | {"url":"http://www.purplemath.com/El_Cerrito_trigonometry_tutors.php","timestamp":"2014-04-16T13:37:55Z","content_type":null,"content_length":"24186","record_id":"<urn:uuid:9e265d40-bf43-4baf-9bd4-28ca4eb0daa5>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00362-ip-10-147-4-33.ec2.in... |
Exact numeric integration
This post describes a simple way to integrate a function over an interval and get an exact answer. The question came out of another one, which is how to optimally render a continuous-space image onto
a discrete array of pixels.
For anti-aliasing, I’ll make two simplying assumptions (to be revi... | {"url":"http://conal.net/blog/posts/exact-numeric-integration","timestamp":"2014-04-21T12:26:48Z","content_type":null,"content_length":"89237","record_id":"<urn:uuid:7a0ccb60-85f8-4fae-944e-c6f9d5985e87>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00073-ip-10-147-4-33.ec2.internal.... |
history of cohomology with local coefficients
The subject of cohomology with local coefficients (twisted cohomology) begins with Reidemeister in his study of lens spaces in 1938 in the article Topologie der Polyeder und kombinatorischen
Topologie der Komplexe. He considered the cohomology of a polyhedron (there called ... | {"url":"http://ncatlab.org/nlab/show/history+of+cohomology+with+local+coefficients","timestamp":"2014-04-19T20:14:30Z","content_type":null,"content_length":"26731","record_id":"<urn:uuid:a3f68568-1402-4050-b44a-355ae619bc94>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00256-ip-10-1... |