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Map scale confusion.
10-12-2013, 07:20 PM #2
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Blog Entries
10-12-2013, 06:06 PM #1
Now, I'm not sure where to post this, so I felt it'd be safest to do so here.
I have a bit of a problem with map scaling...and math. To make a long story... | {"url":"http://www.cartographersguild.com/general-miscellaneous-mapping/24958-map-scale-confusion.html","timestamp":"2014-04-17T22:17:16Z","content_type":null,"content_length":"88663","record_id":"<urn:uuid:6e4de8db-c666-4658-b731-de7930b6f1d1>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-201404160... |
Effect of p-Layer and i-Layer Properties on the Electrical Behaviour of Advanced a-Si:H/a-SiGe:H Thin Film Solar Cell from Numerical Modeling Prospect
International Journal of Photoenergy
Volume 2012 (2012), Article ID 946024, 7 pages
Research Article
Effect of p-Layer and i-Layer Properties on the Electrical Behaviour... | {"url":"http://www.hindawi.com/journals/ijp/2012/946024/","timestamp":"2014-04-20T12:33:30Z","content_type":null,"content_length":"117824","record_id":"<urn:uuid:9314203e-ad69-4c10-b8cd-ebe693c5d39b>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00035-ip-10-147-4-33.ec2.internal.warc... |
Partial Actions and Power Sets
International Journal of Mathematics and Mathematical Sciences
Volume 2013 (2013), Article ID 376915, 4 pages
Research Article
Partial Actions and Power Sets
^1Departamento de Matemáticas y Estadística, Universidad del Tolima, Ibagué, Colombia
^2Departamento de Matemática, Universidade Fe... | {"url":"http://www.hindawi.com/journals/ijmms/2013/376915/","timestamp":"2014-04-16T12:13:40Z","content_type":null,"content_length":"306515","record_id":"<urn:uuid:9590f8ab-c1a9-4834-8289-a9e32bc968a8>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00053-ip-10-147-4-33.ec2.internal.wa... |
Inequality Proof
October 27th 2008, 07:21 PM #1
Aug 2008
Hi, I think this is part of Euclidian Geometry because the term started off with it. I actually posted this in the Urgent hw help section but there was no reply and I am in great need of help
right now. I am so sorry for reposting but I really need he... | {"url":"http://mathhelpforum.com/geometry/56112-inequality-proof.html","timestamp":"2014-04-18T17:44:24Z","content_type":null,"content_length":"30599","record_id":"<urn:uuid:3064a98a-95b9-47cb-b350-902a8d6e0ed2>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00407-ip-10-147-4-33.ec2.i... |
Compiling Error : "Value of index is not static"
I'm implementing a simple ripple carry adder using instances of a simple adder (called CLA...that works..).The ripple carry adder is generic , N is the bit widht.
Unfortunately when I loop to generate the simple adders ("CLA" components..) ,
I receive 2 errors : value "I... | {"url":"http://www.velocityreviews.com/forums/t643782-compiling-error-value-of-index-is-not-static.html","timestamp":"2014-04-19T22:48:29Z","content_type":null,"content_length":"38065","record_id":"<urn:uuid:d5d19f0a-b481-4800-860f-dfa7b07aa159>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-2014041... |
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Here's the question you clicked on:
Find each exact value if 0 < x < pi/2 and 0 < y < pi/2 .
• o... | {"url":"http://openstudy.com/updates/50d943d8e4b069916c853d76","timestamp":"2014-04-18T19:18:02Z","content_type":null,"content_length":"42075","record_id":"<urn:uuid:a213a9b2-49b8-4c16-84df-e6edff1cbb87>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00280-ip-10-147-4-33.ec2.internal.w... |
Finite subgroup of an infinite Group
December 12th 2011, 08:26 PM #1
Finite subgroup of an infinite Group
The only subgroup of finite order of a an infinite group is the identity
My proof
Let G be a group with infinite order
let H be a subgroup and let $x \in H$ and $x e 1$
$\{x , x^2 , x^3 , x^4 , ... | {"url":"http://mathhelpforum.com/advanced-algebra/194143-finite-subgroup-infinite-group.html","timestamp":"2014-04-20T21:18:30Z","content_type":null,"content_length":"43577","record_id":"<urn:uuid:25e66d66-2fdd-4a24-a2d5-196e2f502ffc>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-002... |
Confusion about flat functors
Let $\mathbf{C}$ be a small category and let $\mathbf{E}$ be a locally small and cocomplete category. For the purposes of this discussion, I am defining a flat functor to be a functor $A : \mathbf{C}
\to \mathbf{E}$ such that the induced functor $(-) \otimes_\mathbf{C} A : \widehat{\mathbf... | {"url":"http://nforum.mathforge.org/discussion/3665/confusion-about-flat-functors/?Focus=31480","timestamp":"2014-04-18T18:11:04Z","content_type":null,"content_length":"71111","record_id":"<urn:uuid:4d1a429b-0ce0-41cf-a523-28384fce90e9>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-0... |
Re: st: address standard error of rho in bivariate probit
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Re: st: address standard error of rho in bivariate probit
From Maarten buis <maartenbuis@yahoo.co.uk>
To statalist@hsphsun2.harvard.edu
Subject Re: st: address standard error of r... | {"url":"http://www.stata.com/statalist/archive/2006-08/msg00307.html","timestamp":"2014-04-18T03:20:55Z","content_type":null,"content_length":"8363","record_id":"<urn:uuid:a406b86d-782f-4d7b-b1f7-ed19f24e8196>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00626-ip-10-147-4-33.ec2.int... |
From HaskellWiki
I am not really a Haskell programmer, I mainly use Python. My main objective for creating an account here is to be able to publish comments on the talk page relating to Project Euler, because I
disagree with the decision of this community to publish solutions to project Euler problems here. I have a us... | {"url":"http://www.haskell.org/haskellwiki/index.php?title=User:Slaunger&oldid=36315","timestamp":"2014-04-19T15:19:19Z","content_type":null,"content_length":"13601","record_id":"<urn:uuid:2e5cdbd0-82cc-4b4c-9cc6-426560b30741>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00333-ip-10-... |
Standrad Equation of Ellipse
April 6th 2011, 08:33 PM
Standrad Equation of Ellipse
Find standard form of the equation of ellipse with given characteristics.
Vertices: (0,2), (8,2)
minor axis of length 2
With that information I found the center: (4,2)
minor axis of length 2 means I would use 2b=2?
... | {"url":"http://mathhelpforum.com/pre-calculus/177091-standrad-equation-ellipse-print.html","timestamp":"2014-04-16T07:30:58Z","content_type":null,"content_length":"6080","record_id":"<urn:uuid:0dfdb413-1201-4199-a673-cb0f19c82d13>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00054-i... |
Help please with reflection problem!?
Posted by Knights on Friday, February 22, 2013 at 2:29pm.
A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off the sides of the square, until it hits another vertex, at which point it
stops. What is the length... | {"url":"http://www.jiskha.com/display.cgi?id=1361561358","timestamp":"2014-04-19T00:30:18Z","content_type":null,"content_length":"10131","record_id":"<urn:uuid:cc33d636-18b1-4906-8bf6-a8ed727c982e>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00371-ip-10-147-4-33.ec2.internal.warc.gz... |
st: RE: graph hbar blabel and text option Stata 11
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
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... | {"url":"http://www.stata.com/statalist/archive/2011-10/msg01069.html","timestamp":"2014-04-16T19:15:00Z","content_type":null,"content_length":"8809","record_id":"<urn:uuid:cbfd2620-d06d-4343-8cff-93154ccbac57>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00551-ip-10-147-4-33.ec2.int... |
Hedging Greeks for a portfolio of options using linear and quadratic programming
Sinha, Pankaj and Johar, Archit (2010): Hedging Greeks for a portfolio of options using linear and quadratic programming.
Download (183Kb)
The aim of this paper is to develop a hedging methodology for making a portfolio of options delta,... | {"url":"http://mpra.ub.uni-muenchen.de/20834/","timestamp":"2014-04-19T19:41:04Z","content_type":null,"content_length":"19333","record_id":"<urn:uuid:2e545262-30b2-4c3a-8130-2eab12b39e05>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00358-ip-10-147-4-33.ec2.internal.warc.gz"} |
Homoeopathic Principles Vis-A-Vis Modern Research Methodology
Date posted: June 16, 2012
Prof. (Dr.) Niranjan Mohanty
Two centuries back, a German physician called Dr.C.F.S Hahnemann who amazed this medical world with his astounding discovery of this scientific technique, to establish the curative power of
substances ... | {"url":"http://www.similima.com/homoeopathic-principles-vis-a-vis-modern-research-methodology","timestamp":"2014-04-18T18:28:15Z","content_type":null,"content_length":"87988","record_id":"<urn:uuid:85066f69-cf73-45d0-81c8-99dbdb3a22f7>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-003... |
Matches for:
This is the first comprehensive introduction to the theory of mass transportation with its many--and sometimes unexpected--applications. In a novel approach to the subject, the book both surveys the
topic and includes a chapter of problems, making it a particularly useful graduate textbook.
In 1781, Gaspar... | {"url":"http://cust-serv@ams.org/bookstore-getitem/item=GSM-58","timestamp":"2014-04-18T06:39:33Z","content_type":null,"content_length":"18011","record_id":"<urn:uuid:a8e469b9-f021-423f-abba-114de3a52d6d>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00355-ip-10-147-4-33.ec2.internal... |
Riverton, NJ SAT Math Tutor
Find a Riverton, NJ SAT Math Tutor
...As always, tutoring is tailored to the specific needs and disposition of the student. To become a certified teacher I have taken the following Praxis Exams: Reading, Writing, Mathematics,
Biology Content Knowledge, Biology Content Knowledge Part 2, G... | {"url":"http://www.purplemath.com/riverton_nj_sat_math_tutors.php","timestamp":"2014-04-19T12:24:53Z","content_type":null,"content_length":"24234","record_id":"<urn:uuid:d30d097d-adc1-4321-8145-41c736e37dd1>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00642-ip-10-147-4-33.ec2.intern... |
the Stoermer
be a rotational symmetric vector potential in cylinder coordinates This vector potential generates a magnetic field which is rotational symmetric. The Hamiltonian system of the Störmer problem
describes the motion of a single charged particle of charge q, mass m and velocity v in the magnetic dipole field... | {"url":"http://www.dynamical-systems.org/stoermer/info.html","timestamp":"2014-04-20T06:43:29Z","content_type":null,"content_length":"11728","record_id":"<urn:uuid:5b198ab6-914a-48cb-9f3c-2f3466bdfff1>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00435-ip-10-147-4-33.ec2.internal.wa... |
Little Elm Prealgebra Tutor
Find a Little Elm Prealgebra Tutor
...Sometimes, this is all a student needs in order to achieve success in the classroom.I have a degree in elementary education from Texas Wesleyan University, as well as a grade 1 - 8 Texas
teaching certificate. I have more than 10 years of public schoo... | {"url":"http://www.purplemath.com/Little_Elm_prealgebra_tutors.php","timestamp":"2014-04-21T02:36:38Z","content_type":null,"content_length":"23878","record_id":"<urn:uuid:1e8684d8-4d29-4c5e-99f1-879ed3dc2a7b>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00079-ip-10-147-4-33.ec2.inte... |
Exponential and Logarithm Mapping on Stiefel Manifold
up vote 4 down vote favorite
The Stiefel Manifold is defined as
$$ \mathrm{St}(p,n):= \{ X\in \mathbb{R}^{n\times p} :\ X^T X = I_p \}. $$
Recall that the tangent space at a point $X\in \mathrm{St}(p,n)$ is given by $$ T_X{\mathrm{St}(p,n)} = \{\xi\in \mathbb{R}^{n\... | {"url":"http://mathoverflow.net/questions/84955/exponential-and-logarithm-mapping-on-stiefel-manifold","timestamp":"2014-04-19T04:52:11Z","content_type":null,"content_length":"64768","record_id":"<urn:uuid:6f32c882-217b-4260-8c45-ee7c0fdcb837>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-201404160... |
Trig Help Word Problem
June 19th 2008, 08:12 AM #1
Jun 2008
Trig Help Word Problem
I just don't get these type of problems at all. Please help if at all possible the problem is as follows:
An astronaut on the moon tosses a ball upwards; when will the ball initially be 35 feet above the lunar surface if the ... | {"url":"http://mathhelpforum.com/trigonometry/41981-trig-help-word-problem.html","timestamp":"2014-04-16T14:35:55Z","content_type":null,"content_length":"40234","record_id":"<urn:uuid:f8c5d56f-b4b1-4042-bafc-4f766cd2a08c>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00527-ip-10-147-... |
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Topic: ABS: Current Research in Euclidean Geometry
Replies: 0
ABS: Current Research in Euclidean Geometry
Po... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=356891","timestamp":"2014-04-16T22:07:10Z","content_type":null,"content_length":"17539","record_id":"<urn:uuid:c57245d5-979a-40e5-a1c6-d9ff2e075fbe>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00052-ip-10-147-4-33.ec2.internal.wa... |
Lecture Notes
Ref - Some Statistical Basics, Data Analysis with Epi Info.
(A) Before Data Are Collected
• Research question ----> Study Design ---> Study Protocol---> Measurements (assigning numbers according to prior set rules) ----> Operationalized variables ----> Data collection form (e.g., survey
questionnair... | {"url":"http://www.sjsu.edu/faculty/gerstman/EpiInfo/basics-notes.htm","timestamp":"2014-04-17T12:38:34Z","content_type":null,"content_length":"4896","record_id":"<urn:uuid:dd63f2a2-398b-4571-a9ab-1cd60d961b0c>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00184-ip-10-147-4-33.ec2.int... |
Convergent & Discriminant Validity
« PreviousHomeNext »
Convergent and discriminant validity are both considered subcategories or subtypes of construct validity. The important thing to recognize is that they work together -- if you can demonstrate that
you have evidence for both convergent and discriminant validity, th... | {"url":"http://www.socialresearchmethods.net/kb/convdisc.php","timestamp":"2014-04-20T18:24:08Z","content_type":null,"content_length":"14978","record_id":"<urn:uuid:e18c511a-05ed-4e71-a379-0cf15109edf1>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00269-ip-10-147-4-33.ec2.internal.wa... |
2006 Commonwealth Games
Re: 2006 Commonwealth Games
I suppose people could think that ... but even though the Commonwealth Games began in 1930 (the modern era of Olympic Games began in 1896), they were first proposed in 1891.
But the history goes much deeper - there were Olympic-style games held in England since the ea... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=32595","timestamp":"2014-04-19T17:04:02Z","content_type":null,"content_length":"14367","record_id":"<urn:uuid:28608c31-0035-451e-bb81-5d802072afa3>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00637-ip-10-147-4-33.ec2.internal.... |
Summary: On the Geometric Ergodicity of Metropolis-Hastings
Yves F. Atchadé1 and François Perron2
(March, 2003; revised August, 2005)
Under a compactness assumption, we show that a -irreducible and aperiodic Metropolis-
Hastings chain is geometrically ergodic if and only if its rejection probability is bounded
away fro... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/278/1701157.html","timestamp":"2014-04-18T09:16:36Z","content_type":null,"content_length":"8459","record_id":"<urn:uuid:8dd4a798-904d-4725-80fb-064d46505a90>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00368-ip-10-147-... |
Parametric polynomial time perceptron rescaling algorithm
Andriy Kharechko
In: Algorithms and Complexity in Durham 2006: Proceedings of the Second ACiD Workshop Texts in Algorithmics , 7 . (2006) College Publications, King's College , London, UK , . ISBN 1-904987-38-9
Let us consider a linear feasibility problem with a... | {"url":"http://eprints.pascal-network.org/archive/00002966/","timestamp":"2014-04-17T01:08:00Z","content_type":null,"content_length":"9735","record_id":"<urn:uuid:68efeab9-f1a2-41f6-8c07-26167691ee33>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00123-ip-10-147-4-33.ec2.internal.warc... |
Particle 1 Of Mass 170 G And Speed2.90 M/s Undergoes ... | Chegg.com
Particle 1 of mass 170 g and speed2.90 m/s undergoes a one-dimensionalcollision with stationary particle 2 of mass 400 g.
(a) What is the magnitude of the impulse onparticle 1 if the collision is elastic?
(b) What is the magnitude of the impulse on pa... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/particle-1-mass-170-g-speed290-m-s-undergoes-one-dimensionalcollision-stationary-particle--q396347","timestamp":"2014-04-19T00:24:43Z","content_type":null,"content_length":"21820","record_id":"<urn:uuid:b386ef11-9cb1-4e8a-97d3-c0a8f56f91d2>","cc-path":"CC... |
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Here's the question you clicked on:
Can someone please explain why the cycloid curve has a vertica... | {"url":"http://openstudy.com/updates/4fb7842ae4b05565342d0cd4","timestamp":"2014-04-20T21:01:48Z","content_type":null,"content_length":"28546","record_id":"<urn:uuid:3fe53ebd-8600-438f-a11f-51ea38df139e>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00095-ip-10-147-4-33.ec2.internal.... |
[SciPy-User] OT: advice on modelling a time series
josef.pktd@gmai... josef.pktd@gmai...
Fri Mar 12 10:32:38 CST 2010
On Fri, Mar 12, 2010 at 10:46 AM, Robin <robince@gmail.com> wrote:
> Hello,
> While not directly Python related I am always impressed with the
> quality of scientific advice available on this list, and ... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2010-March/024631.html","timestamp":"2014-04-16T04:43:13Z","content_type":null,"content_length":"6759","record_id":"<urn:uuid:f1d6363f-dcf3-4fd6-97b8-2a3c4e4bde10>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00443-ip-10-147-4-33.ec2... |
What is etale descent?
up vote 9 down vote favorite
What is etale descent? I have a vague notion that, for example, given a variety $V$ over a number field $K$, etale descent will produce (sometimes) a variety $V'$ over $\mathbb{Q}$ of the same
complex dimension which is isomorphic to $V$ over $K$ and such that $V(K)=V... | {"url":"http://mathoverflow.net/questions/6979/what-is-etale-descent/6986","timestamp":"2014-04-19T20:03:39Z","content_type":null,"content_length":"76151","record_id":"<urn:uuid:e33f9eb0-9c07-468e-be48-7f6c9fa34fa4>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00397-ip-10-147-4-33.e... |
Re: st: Interaction term in OLS regression
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Re: st: Interaction term in OLS regression
From Robert A Yaffee <bob.yaffee@nyu.edu>
To statalist@hsphsun2.harvard.edu
Subject Re: st: Interaction term in OLS regression
Date Sun, 08 Feb 2009... | {"url":"http://www.stata.com/statalist/archive/2009-02/msg00295.html","timestamp":"2014-04-18T00:40:46Z","content_type":null,"content_length":"9559","record_id":"<urn:uuid:4937090e-f0ef-4b48-a7d9-2c7d11adf07f>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00565-ip-10-147-4-33.ec2.int... |
Elizabeth Buchanan Cowley
May 22, 1874 - April 13, 1945
Elizabeth Cowley was born in Allegheny, Pennsylvania. She studied at the Indiana State Normal School of Pennsylvania for two years and received a degree in July, 1893. The next fo... | {"url":"http://www.agnesscott.edu/lriddle/women/cowley.htm","timestamp":"2014-04-19T22:26:58Z","content_type":null,"content_length":"7537","record_id":"<urn:uuid:62cd2d16-44a2-4d13-bfb1-b4f93845146c>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00610-ip-10-147-4-33.ec2.internal.warc... |
Entropy of the Ising model
up vote 7 down vote favorite
Consider the standard Ising model on $[0,N]^2$ for $N$ large. By that I mean the square-lattice Ising model without external field, inside an $N$-by-$N$ square. What is its entropy for $N$ large? It
must behave asymptotically as $c(\beta)N^2$ for some constant $c(... | {"url":"https://mathoverflow.net/questions/71129/entropy-of-the-ising-model","timestamp":"2014-04-18T21:33:22Z","content_type":null,"content_length":"54463","record_id":"<urn:uuid:1d8461c3-c55b-4a27-a7d3-0f4431628d24>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00535-ip-10-147-4-33.... |
by Recursive Step: Church’s analysis of effective calculability
"... Abstract. Church’s Thesis asserts that the only numeric functions that can be calculated by effective means are the recursive ones, which are the same, extensionally, as the Turingcomputable
numeric functions. The Abstract State Machine Theorem states... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2211048","timestamp":"2014-04-25T07:02:30Z","content_type":null,"content_length":"27070","record_id":"<urn:uuid:252f2c94-4e6a-49a4-bf86-b9c1fb354ad2>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00573-ip-10-147-4-33.ec2.internal.wa... |
Posts about this week’s finds on Azimuth
This Week’s Finds (Week 307)
14 December, 2010
I’d like to take a break from interviews and explain some stuff I’m learning about. I’m eager to tell you about some papers in the book Tim Palmer helped edit, Stochastic Physics and Climate
Modelling. But those papers are highly th... | {"url":"http://johncarlosbaez.wordpress.com/category/this-weeks-finds/page/2/","timestamp":"2014-04-16T07:45:49Z","content_type":null,"content_length":"353772","record_id":"<urn:uuid:3f9f6f44-da65-4063-bfd2-3b2693ab186d>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00575-ip-10-147-4... |
Physics Forums - View Single Post - Fermat’s Last Theorem: A one-operation proof
Quote by
So? All you need to do is to (correctly) derive one contradiction in order to prove that one of your original assumptions must be false.
Do you think, that Victor prove for FLT is wrong ?
Moshe Klein | {"url":"http://www.physicsforums.com/showpost.php?p=718757&postcount=73","timestamp":"2014-04-20T11:15:05Z","content_type":null,"content_length":"8297","record_id":"<urn:uuid:3ca0cb5d-05b4-439c-8363-ce632a353661>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00091-ip-10-147-4-33.ec2.... |
The Acceleration Of Point C Is 0.9 (ft/s^2) Downward ... | Chegg.com
The acceleration of point C is 0.9 (ft/s^2) downward and theangular acceleration of the beam is 0.8(rad/s^2) clockwise. Knowing that the angular velocity of the beam is zero at theinstant considered,
determine the acceleration of each cable.
Would cab... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/acceleration-point-c-09-ft-s-2-downward-theangular-acceleration-beam-08-rad-s-2-clockwise--q498295","timestamp":"2014-04-21T10:32:20Z","content_type":null,"content_length":"18471","record_id":"<urn:uuid:0c9668e4-f7af-4424-acda-b197f3ba7d33>","cc-path":"CC... |
Finding the damping ratio (zeta) of an nth order system from a transfer function
I am having trouble with some of my homework. I am not quite sure how to find the damping ratio from a third order system when the transfer function (of s) is the only information supplied. Could
anyone help me with this? I would like a me... | {"url":"http://www.physicsforums.com/showthread.php?t=528117","timestamp":"2014-04-20T14:09:10Z","content_type":null,"content_length":"20378","record_id":"<urn:uuid:131e404e-898c-4762-8c8b-5bb70aeee3b8>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00064-ip-10-147-4-33.ec2.internal.w... |
Finding the value of N for Simpson's Rule
October 13th 2009, 12:51 PM #1
Sep 2009
Finding the value of N for Simpson's Rule
Find a value of N such that Simpson's Rule approximates
∫x^-1/4 dx
with an error of at most 10^-2 (but don't calculate Simpson's Rule).
The answer sheet says the answer is 4, b... | {"url":"http://mathhelpforum.com/calculus/107822-finding-value-n-simpson-s-rule.html","timestamp":"2014-04-21T06:11:16Z","content_type":null,"content_length":"35397","record_id":"<urn:uuid:c7c69621-abf7-4897-9ab8-4dae4ab268a3>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00651-ip-10... |
Sample Probability
October 30th 2008, 05:21 PM #1
Junior Member
Apr 2008
The monthly sales of a chocolate company is believed to be normally distributed with a mean of 1,000 bars and a standard deviation of 150 bars.Find the probability that the total sales in the
next year is over 12,600 bars with assuming... | {"url":"http://mathhelpforum.com/advanced-statistics/56690-sample-probability.html","timestamp":"2014-04-18T18:49:26Z","content_type":null,"content_length":"46104","record_id":"<urn:uuid:0d36e0b5-d695-4c50-a35b-09290344450c>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00528-ip-10-14... |
Bound's Of The Poissonratio. A Cube Of Isotropic ... | Chegg.com
Bound's of the Poissonratio. A cube of isotropic elastic material (Young's ModulusE, Poisson ratio v) with edge length L has in its undeformed statethe volume V[0]=L^3. After deformation its newedge
lengths are L(1+σ/E);L(1-vσ/E);L(1-vσ/E),where σ is the ... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/bound-s-poissonratio-cube-isotropic-elastic-material-young-s-moduluse-poisson-ratio-v-edge-q807614","timestamp":"2014-04-24T07:43:47Z","content_type":null,"content_length":"18630","record_id":"<urn:uuid:caa342cb-6b5f-4726-bcca-4364ca588f23>","cc-path":"CC... |
Kansas Geological Survey, Public Information Circular (PIC) 3
Prev. Page--Where Earthquakes Occur || Next Page--Earthquakes in Kansas
Recording and Measuring Earthquakes
Earthquakes generate vibrations called seismic waves that travel thr... | {"url":"http://www.kgs.ku.edu/Publications/pic3/pic3_3.html","timestamp":"2014-04-19T10:03:30Z","content_type":null,"content_length":"6058","record_id":"<urn:uuid:4490b005-04ab-4802-8fea-3d0149ee9162>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00000-ip-10-147-4-33.ec2.internal.war... |
theoretical problem (no calculations) with electric field from moving charge
1. The problem statement, all variables and given/known data
I'm in a physics 2 (electricity and magnetism) course, and I'm having trouble with something the professor discussed in class. I tried approaching him about it afterwards, but it sti... | {"url":"http://www.physicsforums.com/showthread.php?p=3239470","timestamp":"2014-04-18T08:18:09Z","content_type":null,"content_length":"25295","record_id":"<urn:uuid:d6d86779-0362-46b6-8d59-61f0330dccee>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00648-ip-10-147-4-33.ec2.internal.... |
Help with volume: solid of revolution
February 22nd 2010, 07:24 PM
Help with volume: solid of revolution
The problem asks us to find the volume of the area bounded by y=-x^2+6x-8 and y=0 rotated around the x-axis by using the shells method.
I did this and got an answer of pi, to confirm the answer I used the di... | {"url":"http://mathhelpforum.com/calculus/130235-help-volume-solid-revolution-print.html","timestamp":"2014-04-21T04:11:13Z","content_type":null,"content_length":"9137","record_id":"<urn:uuid:aba1c1ed-fc97-4ab2-9131-728fdfb45b42>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00600-ip... |
Abington, MA Algebra 2 Tutor
Find an Abington, MA Algebra 2 Tutor
...My sessions ran parallel with the school teacher's instruction, meaning the material I used was predicated on the school day's lesson plan. We would practice the same concepts and principles
but with different questions, figures, and activities. T... | {"url":"http://www.purplemath.com/Abington_MA_Algebra_2_tutors.php","timestamp":"2014-04-21T02:43:10Z","content_type":null,"content_length":"24179","record_id":"<urn:uuid:c8cdb352-2b24-4058-8586-4dea8140b737>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00273-ip-10-147-4-33.ec2.inte... |
Calculate the GST paid from the total - Math Central
What you do depends on whether the price you paid also includes the PST. If the price included the PST and GST then look at my response to Janet who also lives in Ontario so the rates are the same as
yours. If the PST is not charged on the item you purchase then to f... | {"url":"http://mathcentral.uregina.ca/QQ/database/QQ.09.08/h/claude1.html","timestamp":"2014-04-21T12:10:16Z","content_type":null,"content_length":"7062","record_id":"<urn:uuid:c17d8cd7-65a2-476b-b329-d16ff1cafd8f>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00178-ip-10-147-4-33.ec... |
June 20
A Google research team built a machine, a neural network with a billion connections, using a computing array with 16,000 processors. (More on neural networks below.) They then trained the network on
ten million digital images chosen at random from YouTube videos.
They used unsupervised training
, i.e., this mac... | {"url":"http://arunsmusings.blogspot.com/2012_06_01_archive.html","timestamp":"2014-04-20T23:41:40Z","content_type":null,"content_length":"163779","record_id":"<urn:uuid:638ed2b5-bc4b-44b3-9d90-6dbcf225b2cb>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00078-ip-10-147-4-33.ec2.inter... |
Tensor power- Notation question
up vote 2 down vote favorite
Hi everyone
I have a notational question, which is written usually in papers, but I can not figure it out what could be. Let $M$ be an $A$-module. I have seen this notation $$M^{\otimes -n}$$
I think this would mean $(Hom_A(M,A))^{\otimes n}$, but in the othe... | {"url":"http://mathoverflow.net/questions/65431/tensor-power-notation-question","timestamp":"2014-04-24T04:33:41Z","content_type":null,"content_length":"50014","record_id":"<urn:uuid:68f862c0-5056-49e8-b14c-19acec4e6a54>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00656-ip-10-147-4-... |
Robotics Institute: A Spherical Representation for Recognition of 3-D Curved Objects
We are investigating a new approach for representing 3-D curved objects for recognition and modeling. Our approach starts by fitting a discrete mesh of points to the raw data. The fitting is based on
the concept of deformable surfaces... | {"url":"http://www.ri.cmu.edu/research_project_detail.html?project_id=369&menu_id=261","timestamp":"2014-04-18T05:57:21Z","content_type":null,"content_length":"22772","record_id":"<urn:uuid:5923f7c9-2bbf-4a47-9cf3-c66a40d653d8>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00349-ip-1... |
University Park, TX Math Tutor
Find an University Park, TX Math Tutor
...I am familiar with PostgresSQL, Oracle and Sybase on UNIX (I have used and administered each one both at work and at home). I am an experimental physicist and have been using and designing
electronic instruments for use in physics for 40 years... | {"url":"http://www.purplemath.com/University_Park_TX_Math_tutors.php","timestamp":"2014-04-21T15:12:07Z","content_type":null,"content_length":"24128","record_id":"<urn:uuid:90399174-b33b-42b7-9b58-2fabf9d5b4c5>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00471-ip-10-147-4-33.ec2.in... |
Where would you use prime factorization in real life?
One place the notion of factorization and primes is used in everyone's life is in RSA encryption processes. The encryption methods security is based off the fact that it is VERY DIFFICULT to factor a
composite number whose prime factorization is two large digit prim... | {"url":"http://mathhomeworkanswers.org/40834/where-would-you-use-prime-factorization-in-real-life","timestamp":"2014-04-24T08:25:33Z","content_type":null,"content_length":"166020","record_id":"<urn:uuid:4ca1dbd3-afde-4201-a13f-f3396617bb1e>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-201404230320... |
Question about 3 X 3 matrices
What is the formula (derivative) of the inverse of a 3 X 3 matrix? If you can help, thanks...
As far as i know theres no formula (and i could be wrong there). A reasonably simple method is the gauss elimination method, it can be used to find the inverse or a matrix of an size as long as it... | {"url":"http://mathhelpforum.com/algebra/943-question-about-3-x-3-matrices.html","timestamp":"2014-04-18T00:52:23Z","content_type":null,"content_length":"37605","record_id":"<urn:uuid:e624e65e-0e0b-48eb-b1b4-1a07f8186b86>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00576-ip-10-147-... |
Med Ed in real time. Twitter.
Today I received a tweet from @MedCalc. I have a bit of an appCrush on MedCalc. I Began using it on the Palm and continued with the Treo and iPhone.
This is a question I use in my IV fluid lecture. The lesson goes like this:
It starts by me asking the students what's the highest glucose th... | {"url":"http://fellowshipofthebeans.com/med-ed-in-real-time-twitter/","timestamp":"2014-04-17T03:48:15Z","content_type":null,"content_length":"68711","record_id":"<urn:uuid:7602f557-6bd3-4a20-b97c-6830dd55a9b9>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00479-ip-10-147-4-33.ec2.in... |
Proof help
Originally posted by Lonewolf
Try considering the function [tex]E(x) = 1/2[F(x) + F(-x)][/tex] and consider what [tex]O(x)[/tex] could be.
Ok so
[tex]E(x) = 1/2[F(x) + F(-x)][/tex]
[tex]O(x) = 1/2[F(x) - F(-x)][/tex]
[tex]F(x) = E(x) + O(x)[/tex]
[tex]= 1/2[F(x) + F(-x)] + 1/2[F(x) - F(-x)][/tex]
[tex]= 1/2[... | {"url":"http://www.physicsforums.com/showthread.php?p=130272","timestamp":"2014-04-18T00:21:21Z","content_type":null,"content_length":"35903","record_id":"<urn:uuid:b920d3b1-1bb7-41be-81d6-e13ac7304183>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00591-ip-10-147-4-33.ec2.internal.w... |
icfit {interval}
calculate non-parametric MLE for interval censored survival function
This function calculates the the non-parametric maximum likelihood estimate for the distribution from interval censored data using the self-consistent estimator, so the associated survival
distribution generalizes the Kaplan-Meier est... | {"url":"http://www.inside-r.org/packages/cran/interval/docs/icfit.default","timestamp":"2014-04-20T00:54:17Z","content_type":null,"content_length":"26669","record_id":"<urn:uuid:32a4a090-d602-4e95-a49c-cc9b91e69544>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00047-ip-10-147-4-33.e... |
An Ancient Relation between Units of Length and Volume Based on a Sphere
The modern metric system defines units of volume based on the cube. We propose that the ancient Egyptian system of measuring capacity employed a similar concept, but used the sphere instead. When
considered in ancient Egyptian units, the volume of... | {"url":"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0033895?imageURI=info:doi/10.1371/journal.pone.0033895.g005","timestamp":"2014-04-18T18:13:13Z","content_type":null,"content_length":"105897","record_id":"<urn:uuid:ecaf179a-2383-479e-b9e9-73825ec98403>","cc-path":"CC-MAIN-2014-15/segments/13976095350... |
[qupqknlc] Greedy leap years
Leap day every 4 years.
Omit leap day every 33*4=132 years.
Keep leap day every 100*33*4=13200 years.
This sequence of multipliers [4,33,100] were found by the greedy method. The entire cycle has the same average year length as the Gregorian calendar = 365 + 97/400 days, which uses multipli... | {"url":"http://kenta.blogspot.com/2014/01/qupqknlc-greedy-leap-years.html","timestamp":"2014-04-21T09:35:44Z","content_type":null,"content_length":"60813","record_id":"<urn:uuid:014e1ce0-7d03-44f6-9d12-f3ef6be2acf0>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00239-ip-10-147-4-33.e... |
Image correspondences using cross-correlation - File Exchange - MATLAB Central
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Comments and Ratings (22)
21 Oct
farah: Yes, you can use another set of images. You'll see that the ima... | {"url":"http://www.mathworks.com/matlabcentral/fileexchange/27269-image-correspondences-using-cross-correlation","timestamp":"2014-04-21T10:12:27Z","content_type":null,"content_length":"48587","record_id":"<urn:uuid:a21400b1-3c19-4a26-a6ab-0a02bd1f75e5>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN... |
Comparison and Critique of Anomaly Combination Methods
Recent Comments
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Jeff Id on ... | {"url":"http://noconsensus.wordpress.com/2010/08/21/comparison-and-critique-of-anomaly-combination-methods/","timestamp":"2014-04-20T10:54:39Z","content_type":null,"content_length":"115253","record_id":"<urn:uuid:7bfb6af5-7e0f-4529-93ba-31696234aaf8>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20... |
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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Post a rep... | {"url":"http://www.mathisfunforum.com/post.php?tid=18669&qid=245069","timestamp":"2014-04-19T01:58:23Z","content_type":null,"content_length":"19044","record_id":"<urn:uuid:31435c17-1819-4342-b0f8-797c89e1c2a5>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00400-ip-10-147-4-33.ec2.inte... |
Types and Subtypes
3.2 Types and Subtypes
Static Semantics
{type} {primitive operation [partial]}
is characterized by a set of values, and a set of
primitive operations
which implement the fundamental aspects of its semantics.
{object [partial]}
of a given type is a run-time entity that contains (has) a value of the ty... | {"url":"http://www.adaic.org/resources/add_content/standards/05aarm/html/AA-3-2.html","timestamp":"2014-04-19T20:12:54Z","content_type":null,"content_length":"40274","record_id":"<urn:uuid:a159942e-30f3-4ac0-928f-4e2a81b84b53>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00329-ip-10-... |
Was Einstein wrong about relativity?
November 20th 2011, 01:34 AM #1
Was Einstein wrong about relativity?
Scientists Report Second Sighting of Faster-Than-Light Neutrinos
(This is one of the reasons I'm a mathematician and not a physicist. I won't wake up one morning to learn that 50 years of my study has been ... | {"url":"http://mathhelpforum.com/math/192304-einstein-wrong-about-relativity.html","timestamp":"2014-04-19T05:05:30Z","content_type":null,"content_length":"49502","record_id":"<urn:uuid:922ddde5-218a-492c-84c9-1a068efdada7>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00236-ip-10-14... |
dailysudoku.com :: View topic - i cannot complete easy
Discussion of Daily Sudoku puzzles
Author Message
guest Posted: Wed Sep 07, 2005 4:53 pm Post subject: i cannot complete easy
David Bryant Posted... | {"url":"http://www.dailysudoku.com/sudoku/forums/viewtopic.php?p=589","timestamp":"2014-04-20T18:45:47Z","content_type":null,"content_length":"52161","record_id":"<urn:uuid:53d0d959-a4fe-4ff8-b457-cdef878d0799>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00053-ip-10-147-4-33.ec2.in... |
American Mathematical Monthly Contents—April 2011
Journal subscribers and MAA members: Please login into the member portal by clicking on 'Login' in the upper right corner.
Integral Apollonian Packings
Peter Sarnak
We review the construction of integral Apollonian circle packings. There are a number of Diophantine prob... | {"url":"http://www.maa.org/publications/periodicals/american-mathematical-monthly/american-mathematical-monthly-contents-april-2011?device=desktop","timestamp":"2014-04-18T10:54:05Z","content_type":null,"content_length":"102830","record_id":"<urn:uuid:31a90813-0e5d-496e-9291-a1de5f2ddc9c>","cc-path":"CC-MAIN-2014-15/se... |
Armuchee Algebra Tutor
Find an Armuchee Algebra Tutor
...I'm currently taking Accounting II. The highest score I made on SAT math is a 780. I have also taken the SAT four times for my experience.
17 Subjects: including algebra 2, algebra 1, calculus, chemistry
Hi, I am a math major as well as a soccer player at... | {"url":"http://www.purplemath.com/Armuchee_Algebra_tutors.php","timestamp":"2014-04-19T05:21:45Z","content_type":null,"content_length":"23528","record_id":"<urn:uuid:fe7d5b24-f6e5-4f2c-9086-0f98861c2f65>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00623-ip-10-147-4-33.ec2.internal.... |
2662 -- A Walk Through the Forest
A Walk Through the Forest
Time Limit: 1000MS Memory Limit: 65536K
Total Submissions: 2365 Accepted: 873
Jimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To relax after a hard day, he likes to walk home. To make things ... | {"url":"http://poj.org/problem?id=2662","timestamp":"2014-04-23T09:13:14Z","content_type":null,"content_length":"7126","record_id":"<urn:uuid:d91c94ac-f1ed-4629-8b30-8a05f2ec16d1>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00315-ip-10-147-4-33.ec2.internal.warc.gz"} |
Capitol College: Signals and Systems - Description
Signals and Systems
Mathematical models, systems, signal classifications, I/O differential and difference equations, block diagram realizations, discrete-time systems. Convolutions: discrete-time and continuous-time.
The Z-transform in linear discrete-t... | {"url":"https://mycapitol.capitol-college.edu/schedule/desc_results.asp?course_desc=EE%20%20%20406","timestamp":"2014-04-20T15:56:58Z","content_type":null,"content_length":"1333","record_id":"<urn:uuid:551c42f7-0e07-49a2-a823-2d7d4ee81094>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-2014041600521... |
Lissajou Patterns
Lissajou Patterns
Author: J.B. Hoag
Let a sinusoidal alternating voltage be applied to the horizontal deflecting plates ... | {"url":"http://www.vias.org/basicradio/basic_radio_23_09.html","timestamp":"2014-04-20T23:41:22Z","content_type":null,"content_length":"14192","record_id":"<urn:uuid:c3ab4eb2-239e-4da0-abcb-d4e12378a9c3>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00109-ip-10-147-4-33.ec2.internal.... |
Radu Laza - Homepage
Radu Laza
Assistant Professor
Department of Mathematics
Stony Brook University
Office: Math 4-121
• Fall '14: on leave to IAS
• Spring '14: Topics in Number Theory (Undergraduate Research Seminar).
• Spring '13: Topics in Algebra (Undergraduate Research Seminar); Intro to ... | {"url":"http://www.math.sunysb.edu/~rlaza/","timestamp":"2014-04-17T18:23:05Z","content_type":null,"content_length":"9724","record_id":"<urn:uuid:b7b402e6-c564-43c0-aee6-b37ed4551f59>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00138-ip-10-147-4-33.ec2.internal.warc.gz"} |
Multi-node encryption and key delivery - Patent # 6636968 - PatentGenius
Multi-node encryption and key delivery
6636968 Multi-node encryption and key delivery
(5 images)
Inventor: Rosner, et al.
Date Issued: ... | {"url":"http://www.patentgenius.com/patent/6636968.html","timestamp":"2014-04-16T04:42:05Z","content_type":null,"content_length":"47259","record_id":"<urn:uuid:3b554614-f5ed-4adf-8207-f9e6276ec2c2>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00427-ip-10-147-4-33.ec2.internal.warc.g... |
Number: Its Origin and Evolution--John Zerzan
Number: Its Origin and Evolution
John Zerzan
The wrenching and demoralizing character of the cris... | {"url":"http://www.primitivism.com/number.htm","timestamp":"2014-04-20T08:33:48Z","content_type":null,"content_length":"60717","record_id":"<urn:uuid:1aab4135-83e0-4987-bd01-f51d9d5c4740>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00147-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mathematica problem, nontrivial solution for matrix equation Ax=0
The equation Ax= 0 has a non-trivial solution if and only if A is not one-to-one. That is the same as saying that its determant is 0 and that it has 0 as an eigenvalue. The standard way to find an
eigenvalue, [itex]\lambda[/itex] for matrix A is to solve... | {"url":"http://www.physicsforums.com/showthread.php?p=3493249","timestamp":"2014-04-16T13:50:55Z","content_type":null,"content_length":"26082","record_id":"<urn:uuid:468a558f-9357-4087-9cf9-6db5e5ad5fe9>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00140-ip-10-147-4-33.ec2.internal.... |
Posts about Baseball on Let's Play Math!
feature photo above by USAG- Humphreys via flickr (CC BY 2.0)
During off-times, at a long stoplight or in grocery store line, when the kids are restless and ready to argue for the sake of argument, I invite them to play the numbers game.
“Can you tell me how to get to tw... | {"url":"http://letsplaymath.net/tag/baseball/","timestamp":"2014-04-16T07:14:53Z","content_type":null,"content_length":"41818","record_id":"<urn:uuid:031ac09b-ecea-4cbe-a490-a7b92bd95209>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00431-ip-10-147-4-33.ec2.internal.warc.gz"} |
Wolfram Demonstrations Project
Integer Exponentiation Mappings
Diagrams representing mappings, in which each vertex represents an integer n modulo k, joined to the vertex representing b^n modulo k, where b is the "base".
THINGS TO TRY
• Rotate and Zoom in 3D
• Slider Zoom
... | {"url":"http://demonstrations.wolfram.com/IntegerExponentiationMappings/","timestamp":"2014-04-17T06:43:52Z","content_type":null,"content_length":"41248","record_id":"<urn:uuid:8ff859e4-dab4-491e-a292-4056e48e8f99>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00602-ip-10-147-4-33.ec... |
China's (Uneven) Progress Against Poverty Martin Ravallion and Shaohua Chen1 Development Research Group, World Bank 1818 H Street NW, Washington DC, 20433, USA While the incidence of extreme poverty
in China fell dramatically over 1980- 2001, progress was uneven over time and across provinces. Rural areas accounted for... | {"url":"http://www-wds.worldbank.org/external/default/WDSContentServer/IW3P/IB/2004/10/08/000012009_20041008125921/Rendered/INDEX/WPS3408.txt","timestamp":"2014-04-19T02:37:19Z","content_type":null,"content_length":"126352","record_id":"<urn:uuid:73b980b4-8e50-4d5b-a1ef-e795abc361ba>","cc-path":"CC-MAIN-2014-15/segment... |
Fairmount Heights, MD Calculus Tutor
Find a Fairmount Heights, MD Calculus Tutor
...I scored a 790/740 Math/Verbal on my SAT's and went through my entire high-school and college schooling without getting a single B, regardless of the subject. I did this through perfecting a
system of self-learning and studying that... | {"url":"http://www.purplemath.com/fairmount_heights_md_calculus_tutors.php","timestamp":"2014-04-16T13:45:04Z","content_type":null,"content_length":"24673","record_id":"<urn:uuid:aed8e181-a0e9-45d7-aeb2-490897399cae>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00345-ip-10-147-4-33.... |
Brookville, NY Math Tutor
Find a Brookville, NY Math Tutor
...Depending on your distance and the time needed to travel, I may request an additional amount to my rate to compensate for travel time/train fare. CANCELLATION POLICY I have a 24-hour policy in
which you can contact me to cancel/reschedule a session. I wi... | {"url":"http://www.purplemath.com/Brookville_NY_Math_tutors.php","timestamp":"2014-04-19T02:17:29Z","content_type":null,"content_length":"24180","record_id":"<urn:uuid:d1ca924b-3134-4adf-a2c9-6638e24b1335>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00154-ip-10-147-4-33.ec2.internal... |
tutorial introduction to ACL2
Major Section: ACL2 Documentation
This section contains a tutorial introduction to ACL2, some examples of the use of ACL2, and pointers to additional information.
You might also find CLI Technical Report 101 helpful for a high-level view of the design goals of ACL2.
If you are already fam... | {"url":"http://planet.racket-lang.org/package-source/cce/dracula.plt/1/7/language/acl2-html-docs/ACL2-TUTORIAL.html","timestamp":"2014-04-19T19:44:40Z","content_type":null,"content_length":"2213","record_id":"<urn:uuid:52146eb5-81e4-4d96-b290-151c0217c860>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MA... |
MathStep is a symbolic pocket calculator with a complete CAS (Computer Algebra System) built-in. That means that it can solve math problems for you! It has an expression editor with a live preview
and even gives you hints to solving a problem by yourself for some operations. It can even work without an internet connect... | {"url":"https://play.google.com/store/apps/details?id=nl.vertinode.mathstep","timestamp":"2014-04-20T13:40:23Z","content_type":null,"content_length":"188372","record_id":"<urn:uuid:b56d6c57-cd7d-4daa-a6f2-8af6727d68a1>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00145-ip-10-147-4-3... |
Cube Notation
Mag's Rubik's Cube Notation
Why you are here
This document describes the notation I use in describing operations on Rubik's Cube type puzzles. I use this notation in my 3x3x3 cube solution, my 4x4x4 cube solution, and my 5x5x5 cube solution.
My notation bears similarities to and differences from several o... | {"url":"http://magliery.com/Cube/CubeNotation.html","timestamp":"2014-04-19T09:53:43Z","content_type":null,"content_length":"7459","record_id":"<urn:uuid:ea26841d-a9f6-4931-85b7-afda08991b82>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00263-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mathematics Proverbs
Found 83 results: Mathematics Proverbs
For the execution of the voyage to the Indies, I did not make use of intelligence, mathematics or maps.
Christopher Columbus
It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to p... | {"url":"http://www.litera.co.uk/mathematics_proverbs/3/","timestamp":"2014-04-20T06:07:04Z","content_type":null,"content_length":"13801","record_id":"<urn:uuid:3a0cff72-b83d-4867-b5d2-21ad03e2c2a7>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00523-ip-10-147-4-33.ec2.internal.warc.g... |
symmetric group
October 25th 2009, 06:47 AM #1
Junior Member
Mar 2009
symmetric group
1. does the symmetric group S7 contain an element of order 5? of order 10? of order 15?
2. what is the largest possible order of an element of S7?
could anyone help me, please ??
Use the fact that the order of a pe... | {"url":"http://mathhelpforum.com/advanced-algebra/110293-symmetric-group.html","timestamp":"2014-04-16T11:46:44Z","content_type":null,"content_length":"31824","record_id":"<urn:uuid:74b56bdd-ee15-42f5-8a71-8d1ed996db7e>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00276-ip-10-147-4-... |
AGT conjecture
Abstract: More than 10 years ago, I constructed representations of Heisenberg algebras and affine algebras on the homology groups of instanton moduli spaces on certain 4-manifolds. The proof was
mathematically rigorous, but was not conceptually satisfactory. About two years ago, physicists, Alday-Gaiotto... | {"url":"http://www.kurims.kyoto-u.ac.jp/~nakajima/Talks/20121023.html","timestamp":"2014-04-21T14:46:55Z","content_type":null,"content_length":"925","record_id":"<urn:uuid:dd0530a8-3225-457a-a08c-f143d883ce5a>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00583-ip-10-147-4-33.ec2.int... |
Statistical Analysis: an Introduction using R/R basics
R is a command-driven statistical package. At first sight, this can make it rather daunting to use. However, there are a number of reasons to learn statistics using this computer program. The two
most important are:
□ R is free; you can download it from http:... | {"url":"https://en.m.wikibooks.org/wiki/Statistical_Analysis:_an_Introduction_using_R/R_basics","timestamp":"2014-04-16T04:33:52Z","content_type":null,"content_length":"58989","record_id":"<urn:uuid:2c9ada9f-d34a-41fe-949a-760a240aea9d>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-0... |
The Cartesian Plane
3.1: The Cartesian Plane
Created by: CK-12
Kaitlyn walked into Math class and saw the following image displayed from the overhead projector. Her teacher asked everyone in the class to duplicate the picture on the blank sheet of paper that she
had placed on each student’s desk.
When the teacher felt ... | {"url":"http://www.ck12.org/book/CK-12-Algebra-I-Concepts-Honors/r9/section/3.1/","timestamp":"2014-04-20T16:57:24Z","content_type":null,"content_length":"133330","record_id":"<urn:uuid:04c4a12d-447b-4870-90a8-178dbce62777>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00017-ip-10-14... |
Seagoville Algebra 2 Tutor
Find a Seagoville Algebra 2 Tutor
...Regarding the tutoring itself, I prefer to travel at MOST around 15-16 miles. preferably I recommend to students if their tutoring spot isn't quiet enough they can most certainly always be
welcome at mine, where it is. And that will be at my home, othe... | {"url":"http://www.purplemath.com/Seagoville_Algebra_2_tutors.php","timestamp":"2014-04-21T14:49:25Z","content_type":null,"content_length":"23838","record_id":"<urn:uuid:ee7ec8b3-48a6-4d7a-bf5f-5c9a699e2bdf>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00655-ip-10-147-4-33.ec2.inter... |
population growth model
Having problems with a homework problem:
2 populations (J(t) and K(t)) of microbial species are each assumed to grow according to the euler differential equation model, with different growth parameters c and d, respectively. Suppose the
populations are grown together in a beaker, and... | {"url":"http://mathhelpforum.com/calculus/2361-population-growth-model.html","timestamp":"2014-04-18T14:41:00Z","content_type":null,"content_length":"37529","record_id":"<urn:uuid:ffef0867-252f-42dd-8b0d-b8dfa1561add>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00175-ip-10-147-4-33.... |
Homework Help
Post a New Question | Current Questions
College Algebra
if x=a is a real zero. (x-a) is a factor. Divide f(x) by (x-a) and see what the quotient is. Maybe you can factor it, maybe not. In this case, not.
Wednesday, March 27, 2013 at 10:29am
College Algebra
How do you use the real zeros to factor f?
Wednes... | {"url":"http://www.jiskha.com/college/?page=17","timestamp":"2014-04-17T16:23:48Z","content_type":null,"content_length":"34788","record_id":"<urn:uuid:f606f87d-3702-4dca-b23a-2095898dc560>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00417-ip-10-147-4-33.ec2.internal.warc.gz"} |
Silvercreek, CO Math Tutor
Find a Silvercreek, CO Math Tutor
...I love working with students to discover where challenges lie and finding fun and engaging ways to help them learn! I have taught all types of elementary school and middle school science for
19 years in the public school classroom and as a tutor. I am ... | {"url":"http://www.purplemath.com/silvercreek_co_math_tutors.php","timestamp":"2014-04-19T17:09:16Z","content_type":null,"content_length":"23976","record_id":"<urn:uuid:ecdbf194-98dc-4451-a944-566538d87b55>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00419-ip-10-147-4-33.ec2.interna... |
I need to verify part of the proof involve Green's function.
September 12th 2010, 03:58 PM #1
Junior Member
Nov 2009
I need to verify part of the proof involve Green's function.
This is actually a subset of proofing $G(\vec{x},\vec{x_0}) = G(\vec{x_0},\vec{x})$. Where G is the Green's function. I don't want to ... | {"url":"http://mathhelpforum.com/advanced-applied-math/155953-i-need-verify-part-proof-involve-green-s-function.html","timestamp":"2014-04-20T14:36:44Z","content_type":null,"content_length":"39530","record_id":"<urn:uuid:683ac7d1-98de-4e89-ac95-5c2f7f39dab4>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC... |
Find Hypotenuse when given two angles and side
September 29th 2012, 12:32 PM #1
Aug 2012
United States
Find Hypotenuse when given two angles and side
Hello. I was hoping someone would be able to help with this problem I have.
I have a right triangle. I need to find the hypotenuse x.
I am given the o... | {"url":"http://mathhelpforum.com/trigonometry/204298-find-hypotenuse-when-given-two-angles-side.html","timestamp":"2014-04-19T00:19:19Z","content_type":null,"content_length":"37041","record_id":"<urn:uuid:7db604b7-6d12-4a5c-a329-a69810c4fb55>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-2014041600... |
From Free Software Directory
Description of concept "Mathematics"RDF feed
<q> <q>[[Mathematics::+]]</q> OR <q>[[Use::mathematics]]</q> </q>
Pages of concept "Mathematics"
Showing 104 pages belonging to that concept.
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Three Buckets Blogging
1. Calculate the same store sales change given the following information:
TY Sales = $5,000
LY Sales = $4,900
2. Calculate average price given the following information (round to the nearest penny):
Units sold = 2,000
Sales $ = $5,000
3. If a product’s initial retail price is $2.25, and its un... | {"url":"http://www.threebuckets.com/category/retail-math-test/","timestamp":"2014-04-21T09:35:43Z","content_type":null,"content_length":"38215","record_id":"<urn:uuid:fe0f6527-ed33-49f5-b7c5-60c41b03c213>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00506-ip-10-147-4-33.ec2.internal... |
Poolville JH math, science team has strong showing at Azle competition
Weatherford Democrat
November 17, 2013
Poolville JH math, science team has strong showing at Azle competition
Weatherford Democrat
— POOLVILLE – The Poolville Junior High School Math and Science Team competed in Azle on Nov. 9.
Thirteen students com... | {"url":"http://www.weatherforddemocrat.com/education/x2136380308/Poolville-JH-math-science-team-has-strong-showing-at-Azle-competition/print","timestamp":"2014-04-18T18:58:30Z","content_type":null,"content_length":"4357","record_id":"<urn:uuid:2138ee80-926c-42f4-a252-f7389fa74761>","cc-path":"CC-MAIN-2014-15/segments/1... |
the definition of perimeter
perimeter (pəˈrɪmɪtə)
1. maths
a. the curve or line enclosing a plane area
b. the length of this curve or line
2. a. any boundary around something, such as a field
b. (as modifier): a perimeter fence; a perimeter patrol
3. a medical instrument for measuring the limits of the... | {"url":"http://dictionary.reference.com/browse/perimeter","timestamp":"2014-04-17T10:27:22Z","content_type":null,"content_length":"106444","record_id":"<urn:uuid:72a2ffa8-fd62-44a8-b591-87114df548b2>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00584-ip-10-147-4-33.ec2.internal.warc... |
C# - How to convert fractional years (say 1.25 years) to number of days
C# .NET - C# - How to convert fractional years (say 1.25 years) to number of days
Asked By basam nath on 13-Feb-13 02:25 PM
I have a table that shows periods like 1 year to 10 years. I want to calculate number of days (approximately 365 days in a y... | {"url":"http://www.nullskull.com/q/10472251/c--how-to-convert-fractional-years-say-125-years-to-number-of-days.aspx","timestamp":"2014-04-19T02:41:17Z","content_type":null,"content_length":"8205","record_id":"<urn:uuid:8d418113-1d4a-4db5-af4c-08f81a65d3fc>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MA... |
Monte Carlo
This is a simple applet showing how Monte Carlo works in different ensembles for a 2D Lennard-Jones system.
If you do see the applet then you can start playing by pressing the button 'Start'. Once you press the button 'Start' you should see on the left side 100 disks moving around and on the right two
diagr... | {"url":"http://personal-pages.ps.ic.ac.uk/~achremos/Applet1-page.htm","timestamp":"2014-04-16T16:22:38Z","content_type":null,"content_length":"81102","record_id":"<urn:uuid:4a23139e-ada7-415c-8f33-c013a48dd759>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00165-ip-10-147-4-33.ec2.in... |
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This is a poster about radiation in space. Learners can read about the Van Allen belts and how NASA's Van Allen Probes are investigating the influence of the Sun's energy on Earth. The activity
version also includes math proble... | {"url":"http://nasawavelength.org/resource-search?educationalLevel%5B%5D=Higher+education%3AUndergraduate%3AMajors%2C+lower+division&educationalLevel%5B%5D=High+school&facetSort=1&resourceType=Instructional+materials%3AProblem+set","timestamp":"2014-04-21T14:05:28Z","content_type":null,"content_length":"82445","record_... |
M.I.T. Junior Lab 8.13/ 8.14
This experiment will let you perform a series of simple quantum computations on a two spin ... | {"url":"http://web.mit.edu/8.13/www/49.shtml","timestamp":"2014-04-20T03:14:33Z","content_type":null,"content_length":"38860","record_id":"<urn:uuid:26a6fafa-8205-4d7a-a1b1-f8710e007418>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00106-ip-10-147-4-33.ec2.internal.warc.gz"} |