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angle which is made out of one of the pyramids' bases and the base OABC?
January 23rd 2010, 10:48 AM #1
Dec 2009
angle which is made out of one of the pyramids' bases and the base OABC?
The figure shows a pyramid OABCD in a coordinate system with the starting point O. Determine the angle which is made out of on... | {"url":"http://mathhelpforum.com/geometry/125056-angle-made-out-one-pyramids-bases-base-oabc.html","timestamp":"2014-04-24T10:15:14Z","content_type":null,"content_length":"51308","record_id":"<urn:uuid:24d3f5de-2c19-44c1-936e-c15cfd4456ce>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-2014042303200... |
Chevy Chase Prealgebra Tutor
...I thoroughly understand key terms, concepts, and the processes involved in genetics. I have an extensive educational background in science (B.A. in Biological Sciences, M.S. in Biological
Sciences, and in the 2nd semester of another Master's program, Biotechnolgy with a specialty in ... | {"url":"http://www.purplemath.com/Chevy_Chase_Prealgebra_tutors.php","timestamp":"2014-04-16T13:41:02Z","content_type":null,"content_length":"24149","record_id":"<urn:uuid:443bbaec-ba6a-48b2-b3ac-b61ff63cc2b4>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00212-ip-10-147-4-33.ec2.int... |
Brighton & Hove City Council Hub ::: Learning ::: Secondary ::: Networks ::: Mathematics ::: EMT - Excellent Maths Teaching ::: 5. Tak Tiles *
Brighton & Hove City Council Hub > Learning > Secondary > Networks > Mathematics > EMT - Excellent Maths Teaching > 5. Tak Tiles
... | {"url":"http://www.school-portal.co.uk/GroupHomepage.asp?GroupID=1155407","timestamp":"2014-04-17T18:25:43Z","content_type":null,"content_length":"40328","record_id":"<urn:uuid:0d180754-96e0-415d-8cfa-77d44657bbe0>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00262-ip-10-147-4-33.ec... |
Branch-Circuit, Feeder and Service Calculations, Part XXIX
The National Electrical Code (NEC) contains an introduction, nine chapters and eight annexes. Article 90 is the introduction to the NEC. This article contains specifications that are essential to all
chapters and sections in the Code.
The National Electrical Co... | {"url":"http://www.ecmag.com/print/section/codes-standards/branch-circuit-feeder-and-service-calculations-part-xxix?qt-issues_block=1","timestamp":"2014-04-16T19:58:40Z","content_type":null,"content_length":"14526","record_id":"<urn:uuid:59ab9442-480a-432b-ac85-272450b92526>","cc-path":"CC-MAIN-2014-15/segments/1397609... |
Undergraduate Engineering Handbook
Aeronautics and Astronautics Program
From Undergraduate Engineering Handbook
Program Requirements 2011-12
The principal purpose of the undergraduate interdisciplinary major in Aeronautics and Astronautics is to prepare students who are strongly interested in aerospace for subsequent g... | {"url":"http://www.stanford.edu/group/ughb/cgi-bin/handbook/index.php?title=Aeronautics_and_Astronautics_Program&oldid=1035","timestamp":"2014-04-20T01:31:54Z","content_type":null,"content_length":"22638","record_id":"<urn:uuid:efe30009-d03e-47b1-b1b1-bbb3b79108ee>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/w... |
Dimension of the linear system of $\psi$-class on $\bar M_{0;n}$
up vote 2 down vote favorite
Consider the (Deligne-Mumford compactification of the) moduli space of complex rational marked curves $\overline M_{0;n}$. For each $i\in \{1,\ldots,n\}$ we can construct a line bundle $L_i$ with a
fiber given by cotangent spa... | {"url":"http://mathoverflow.net/questions/133621/dimension-of-the-linear-system-of-psi-class-on-bar-m-0n","timestamp":"2014-04-19T12:04:01Z","content_type":null,"content_length":"50765","record_id":"<urn:uuid:90fce06d-d5f5-4374-8b2d-e1bb1bdf2b7c>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-201404... |
The Electrician's Pocket-book
The Electrician's Pocket-book: The English Edition of Hospitalier's "Formulaire Pratique de L'électricien;" (Google eBook)
We haven't found any reviews in the usual places.
Popular passages
The force of attraction or repulsion between two point charges is directly proportional to the prod... | {"url":"http://books.google.com/books?id=ih5IAAAAIAAJ&dq=related:UOM39015065172663","timestamp":"2014-04-17T17:02:39Z","content_type":null,"content_length":"151104","record_id":"<urn:uuid:4562f81a-16fe-4014-b5a3-ae41c1ac4268>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00055-ip-10-1... |
MathGroup Archive: January 2002 [00012]
[Date Index] [Thread Index] [Author Index]
Re: Front end problems!
• To: mathgroup at smc.vnet.net
• Subject: [mg32176] Re: Front end problems!
• From: "Mirek Gruszkiewicz" <gruszkiewicz at ornl.g... | {"url":"http://forums.wolfram.com/mathgroup/archive/2002/Jan/msg00012.html","timestamp":"2014-04-19T12:35:29Z","content_type":null,"content_length":"45896","record_id":"<urn:uuid:557ef9d8-ec4f-4555-95ac-1685eb466d76>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00266-ip-10-147-4-33.... |
Solve for x the following equation logx (x+1)=2; x is the base of logarithm. - Homework Help - eNotes.com
Solve for x the following equation logx (x+1)=2; x is the base of logarithm.
We'll impose the constraints oif existence of logarithm:
x belongs to (0;+inf.)-{1}
Now, we'll solve the equation taking antilogarithm:
x... | {"url":"http://www.enotes.com/homework-help/solve-x-following-equation-logx-x-1-2-x-base-262709","timestamp":"2014-04-21T00:18:59Z","content_type":null,"content_length":"25078","record_id":"<urn:uuid:57d8315c-fdac-4a04-8818-6c1f86f56617>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-... |
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What is the slope and y-intercept of the graph of -x + 2y = 6?... | {"url":"http://openstudy.com/updates/50b420ebe4b061f4f8ff279b","timestamp":"2014-04-19T12:54:17Z","content_type":null,"content_length":"41717","record_id":"<urn:uuid:3e28b545-bb00-4661-aebf-839b9e84c2ec>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00545-ip-10-147-4-33.ec2.internal.w... |
2006.38: Structured Polynomial Eigenvalue Problems: Good Vibrations from Good Linearizations
2006.38: D. Steven Mackey, Niloufer Mackey, Christian Mehl and Volker Mehrmann (2006) Structured Polynomial Eigenvalue Problems: Good Vibrations from Good Linearizations. SIAM J. Matrix Anal. Appl.,
28 (4). pp. 1029-1051. ISSN... | {"url":"http://eprints.ma.man.ac.uk/671/","timestamp":"2014-04-18T18:25:03Z","content_type":null,"content_length":"9810","record_id":"<urn:uuid:4e7d4f66-80c5-4e7b-ae96-043470d3bbc7>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00526-ip-10-147-4-33.ec2.internal.warc.gz"} |
Stamford, CT Algebra 2 Tutor
Find a Stamford, CT Algebra 2 Tutor
...Also, each student has their own capabilities and they have their own speed of learning so I am also skilled at recognizing the student's capability and I work accordingly. I always had fun
tutoring and I use such tutoring techniques that keeps the... | {"url":"http://www.purplemath.com/Stamford_CT_Algebra_2_tutors.php","timestamp":"2014-04-16T07:53:13Z","content_type":null,"content_length":"24142","record_id":"<urn:uuid:f4be73a9-af7e-4e48-8213-cc405a14203e>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00354-ip-10-147-4-33.ec2.inte... |
Wee Teck Gan
How to reach me
Mathematics Department
National University of Singapore
Block S17, 10 Lower Kent Ridge Road
Singapore 119076
E-mail: matgwt(AT)nus(\cdot)edu.sg
Phone: +65-6516-2739 (office)
Fax: +65-67795452
• Fall 2003: Math109: Mathematical Reasoning
• Winter 2004: Math20C: Calculus and Analytic Geom... | {"url":"http://www.math.nus.edu.sg/~matgwt/","timestamp":"2014-04-17T06:40:55Z","content_type":null,"content_length":"14352","record_id":"<urn:uuid:aa319cda-9571-4d54-99eb-daf89ebe001a>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00496-ip-10-147-4-33.ec2.internal.warc.gz"} |
Mathematics Reading List for High School Students
Via Slashdot, I came across the following question
Troy writes:
“I’m a high school math teacher who is trying to assemble an extra-credit reading list. I want to give my students (ages 16-18) the opportunity/motivation to learn about stimulating mathematical
... | {"url":"http://blogs.discovermagazine.com/cosmicvariance/2009/02/08/mathematics-reading-list-for-high-school-students/","timestamp":"2014-04-17T13:35:44Z","content_type":null,"content_length":"169209","record_id":"<urn:uuid:123691f0-c992-49b4-8fe8-c576e17046c3>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/... |
Volume of a sphere
August 25th 2009, 07:50 PM #1
Aug 2009
i have a question that asks for the volume of the sphere using "Volume of Solids of Revolution" i know that the volume formula of a sphere is 4/3*pi*r^3 but how do i get to that because when i
integrate the area, i come up with 1/3*pi*r^3. i just nee... | {"url":"http://mathhelpforum.com/calculus/99242-volume-sphere.html","timestamp":"2014-04-20T02:44:25Z","content_type":null,"content_length":"33245","record_id":"<urn:uuid:8f543d08-2329-4aab-959a-48780b8f74ea>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00022-ip-10-147-4-33.ec2.inter... |
Smallest number of items from given probability
March 30th 2011, 05:24 AM
Smallest number of items from given probability
Hey All,
Another problem I'm confused with.
A bag contains several blue discs and several yellow discs. Find the smallest number of discs which should be taken out of the bag, if the pro... | {"url":"http://mathhelpforum.com/statistics/176312-smallest-number-items-given-probability-print.html","timestamp":"2014-04-18T00:57:09Z","content_type":null,"content_length":"4678","record_id":"<urn:uuid:34f22640-090c-4919-9629-98fd596d8ce0>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-2014041600... |
Portability non-portable (rank-2 types, type families, scoped type variables)
Stability experimental
Maintainer Edward Kmett <ekmett@gmail.com>
Safe Haskell Safe-Infered
Based on the Functional Pearl: Implicit Configurations paper by Oleg Kiselyov and Chung-chieh Shan.
The approach from the paper was modified to ... | {"url":"http://hackage.haskell.org/package/reflection-1.0/docs/Data-Reflection.html","timestamp":"2014-04-19T10:23:12Z","content_type":null,"content_length":"4937","record_id":"<urn:uuid:c313e6c9-e2e8-4c3e-b259-0feb6ada79dc>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00352-ip-10-1... |
Show Inequality X^2 > a
January 14th 2007, 04:42 AM #1
Jan 2007
Show Inequality X^2 > a
If a > 0, show that the solution set of the inequality x^2 > a consists of all numbers x for which -(sqrt{a}) < a (sqrt{a}).
Okay...what exactly is the question asking in simple math terms?
I don't follow the logic b... | {"url":"http://mathhelpforum.com/algebra/9994-show-inequality-x-2-a.html","timestamp":"2014-04-19T17:10:03Z","content_type":null,"content_length":"43280","record_id":"<urn:uuid:414a4c4b-1a7c-4cec-a03a-19549f8f29c8>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00380-ip-10-147-4-33.ec... |
Power Spectral Density, Welch Technique
Here is (5) from the paper roughly translated into Mathematica.
2 DeltaT/Nw Sum[Abs[1/Sqrt[Nd]Sum[w[[n]]x[[n]]^l E^((-I 2 Pi k(n-1))/Nd)]^2, {l, 1, Nw}], {n, 1, Nd}]
To use this you need to assign appropriate constant values to DeltaT, Nw, Nd, choose and initialize a windowing fu... | {"url":"http://www.physicsforums.com/showthread.php?t=626458","timestamp":"2014-04-18T10:43:11Z","content_type":null,"content_length":"34267","record_id":"<urn:uuid:23f1bb2b-ad66-4da5-96ac-a8cdea85acd3>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00057-ip-10-147-4-33.ec2.internal.w... |
The Plus sports page: Power trip
Being the manager of a Premier League football club may seem like one of the most glamorous jobs in the world — with the fame comes fortune and the opportunity to travel (well, to Hull, Wigan and
Portsmouth anyway). However, as far as job security goes, football managers live on the edg... | {"url":"http://plus.maths.org/content/os/latestnews/sep-dec08/managers/index","timestamp":"2014-04-20T00:47:57Z","content_type":null,"content_length":"43036","record_id":"<urn:uuid:2c51b7be-56d6-4afc-a7b1-c39379074179>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00566-ip-10-147-4-33... |
digitalmars.D - Re: 3D Math Data structures/SIMD
Janice Caron Wrote:
If you wanted to go even more general, you could go beyond std.matrix
and head into the murky waters of std.tensor.
Tensors are a generalisation of the progression: scalar, vector, matrix, ....
be careful with that! a matrix is an algebraic structu... | {"url":"http://www.digitalmars.com/d/archives/digitalmars/D/Re_3D_Math_Data_structures_SIMD_64093.html","timestamp":"2014-04-19T12:11:30Z","content_type":null,"content_length":"11093","record_id":"<urn:uuid:de72e36e-60ca-4a82-aea5-39ca5a8fd0a6>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416... |
There have been numerous occasions where I have to pick a one of two records out of a given result set, but how I determine which one has some unique rules. I have two examples of this and I show how
I used Row_Number() to solve this.
The first set of data has these sets of rules:
• For any given ISBN13, give me the ... | {"url":"http://www.josefrichberg.com/","timestamp":"2014-04-20T14:03:07Z","content_type":null,"content_length":"49609","record_id":"<urn:uuid:cb7b4d36-c2ec-46ee-9f71-6e2c72374272>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00145-ip-10-147-4-33.ec2.internal.warc.gz"} |
Random number generator isn't working???
Do you understand how the % operator works?
Hmm. All I know is that it gives the remainder of an operation. On other sites I checked their methods of doing this and it involved doing the same thing with rand() then adding a number that was to
be the minimum...
And do you underst... | {"url":"http://www.cplusplus.com/forum/beginner/83140/","timestamp":"2014-04-18T18:15:32Z","content_type":null,"content_length":"13577","record_id":"<urn:uuid:bd4f056e-a360-4a33-9bbb-4fa879115ee1>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00583-ip-10-147-4-33.ec2.internal.warc.gz"... |
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A mass m is released from height h on a block of mass m which ... | {"url":"http://openstudy.com/updates/50a9aa84e4b064039cbd14e9","timestamp":"2014-04-18T00:32:08Z","content_type":null,"content_length":"130053","record_id":"<urn:uuid:eec25183-7cd7-45b4-bc90-e0ed53545099>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00491-ip-10-147-4-33.ec2.internal.... |
Physics Forums - View Single Post - Barrier potential with N steps...(and she's climbing the potential stariway to la...)
Hey people,
So I have a problem where i have to find the transmitivity and reflectivity coefficients of a potential:
V=-(n^2-1)E where (E is positive, constant and is the energy of the particle) No... | {"url":"http://www.physicsforums.com/showpost.php?p=1930117&postcount=1","timestamp":"2014-04-20T05:44:03Z","content_type":null,"content_length":"9160","record_id":"<urn:uuid:0b1bcd30-c9ea-4ac1-a2ab-cdf57ca5dee6>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00069-ip-10-147-4-33.ec2.i... |
Surface Area and Volume of a Sphere
Date: 05/16/2000 at 22:31:39
From: Randy S.
Subject: Surface Area and Volume of a Sphere
I am doing research for a project on why the coefficient in the
formula for the surface area of a sphere is 4, and why 4/3 is the
coefficient in the formula for the volume of a sphere. I have loo... | {"url":"http://mathforum.org/library/drmath/view/55230.html","timestamp":"2014-04-19T00:32:57Z","content_type":null,"content_length":"7445","record_id":"<urn:uuid:dddeb29c-b2c4-4781-ba42-9733aa9e4d0a>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00184-ip-10-147-4-33.ec2.internal.warc... |
Mathematical Techniques
Mathematical Techniques in Astronomy
Mathematics is and always has been of central importance to astronomy. As soon as observations became quantified the possibility for calculation and prediction based on observations was open to
astronomers. Mathematical developments were both applied to and m... | {"url":"http://www.hps.cam.ac.uk/starry/mathematics.html","timestamp":"2014-04-20T10:48:23Z","content_type":null,"content_length":"10907","record_id":"<urn:uuid:f6fe7e16-038f-4b01-b8a6-c2e4e72b2633>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00154-ip-10-147-4-33.ec2.internal.warc.... |
Post a reply
Hi Al-Allo!
Given a positive integer M>1 let PM denote the set of all prime factors of M. As in your example
if M=12 then PM={2,2,3} and if M=20 then PM={2,2,5}. As a further example consider M=105 so
PM={3,5,7}. The first two (for 12 and 20) are multisets because they have more than one copy of
a prime fa... | {"url":"http://www.mathisfunforum.com/post.php?tid=18774&qid=247827","timestamp":"2014-04-20T08:31:10Z","content_type":null,"content_length":"27944","record_id":"<urn:uuid:4cf40e3b-3b71-4b52-aa53-230705ce7c00>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00629-ip-10-147-4-33.ec2.inte... |
Wolfram Demonstrations Project
Ford Circles
The Farey sequence for a positive integer is the set of irreducible rational numbers with and . For example, is , . The Ford circle has radius and center . It is tangent to the x axis at and to the
circles corresponding to the two neighbors of in . | {"url":"http://demonstrations.wolfram.com/FordCircles/","timestamp":"2014-04-18T00:16:26Z","content_type":null,"content_length":"43593","record_id":"<urn:uuid:4e331616-4a16-4613-b53e-412d2d988f1f>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00248-ip-10-147-4-33.ec2.internal.warc.gz... |
High-Scoring Molecules
What makes for a good folding? In proteins the usual measure is the Gibbs free energy, a thermodynamic quantity that depends on both energy and entropy. If you could tug on the ends of a protein
chain and straighten it out, the result would be a state of high energy and low entropy. The energy is... | {"url":"http://www.americanscientist.org/issues/pub/prototeins/4","timestamp":"2014-04-20T05:47:22Z","content_type":null,"content_length":"128846","record_id":"<urn:uuid:12a35163-54ec-4cd2-9019-eac38a326f45>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00240-ip-10-147-4-33.ec2.inter... |
Mathematics Activities for Elementary School Teachers 10th Edition | 9780321575685 | eCampus.com
List Price: [S:$38.67:S]
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Questions About This Book?
What version or edition is this?
This is the 10th edition with a publication date of 1/6/2009.
What is included with this book?
• The ... | {"url":"http://www.ecampus.com/mathematics-activities-elementary-school/bk/9780321575685","timestamp":"2014-04-21T15:47:09Z","content_type":null,"content_length":"53674","record_id":"<urn:uuid:8d6dea4b-d2e8-431d-823f-72f6c117da47>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00465-i... |
From datasets to algorithms in R
Many statistical algorithms are taught and implemented in terms of linear algebra. Statistical packages often borrow heavily from optimized linear algebra libraries such as LINPACK, LAPACK, or BLAS.
When implementing these algorithms in systems such as Octave or MATLAB, it is up to you ... | {"url":"http://realizationsinbiostatistics.blogspot.com/2011/12/from-datasets-to-algorithms-in-r.html","timestamp":"2014-04-16T11:15:01Z","content_type":null,"content_length":"154486","record_id":"<urn:uuid:0ac9da9b-2ae0-483a-aaae-d6fabdbb99ec>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423... |
Geometry Tutors
Oakland, CA 94602
Math tutor with extensive experience -- future math teacher
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Investigating Ordering Planets: Math Connections and Number Sense in Science
In this Solar System Investigate, students will determine ways to order the planets. Teacher directed inquiry will suggest that they first order the planets according to their distance from the sun.
Students will then work on their own methods... | {"url":"http://serc.carleton.edu/sp/mnstep/activities/planets.html","timestamp":"2014-04-20T01:32:43Z","content_type":null,"content_length":"24417","record_id":"<urn:uuid:3dca2854-e612-4ff6-8e7d-45154243ead7>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00081-ip-10-147-4-33.ec2.inter... |
4. The Parabola
Why study the parabola?
The parabola has many applications in situations where:
• Radiation needs to be concentrated at one point (e.g. radio telescopes, pay TV dishes, solar radiation collectors) or
• Radiation needs to be transmitted from a single point into a wide parallel beam (e.g. headlight re... | {"url":"http://www.intmath.com/plane-analytic-geometry/4-parabola.php","timestamp":"2014-04-18T10:35:48Z","content_type":null,"content_length":"33182","record_id":"<urn:uuid:e19fd93b-6642-4b00-bee6-f226610766e6>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00104-ip-10-147-4-33.ec2.i... |
Object moving at speed of light as Reference frame.
Is there any other object except photon which moves at the speed of light?
Yes, other massless bosons.
Why can't an object moving at the speed of light be taken as reference frame?
Your question has been answered quite well here. Also, you might consider the problem i... | {"url":"http://www.physicsforums.com/showthread.php?s=fa205bd0ed2dce7c796c6f3aa71c72c7&p=3950674","timestamp":"2014-04-21T02:10:18Z","content_type":null,"content_length":"65292","record_id":"<urn:uuid:a773887d-d2c7-4101-8e61-0c8e2b34a801>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219... |
Pi: a biography of the world's most mysterious number
We all learned that the ratio of the circumference of a circle to its diameter is called π and that the value of this algebraic symbol is roughly 3.14. What we weren't told, though, is that behind
this seemingly mundane fact is a world of mystery, which has fascin... | {"url":"http://books.google.co.uk/books?id=QFPvAAAAMAAJ&q=Pi%3A+a+biography+of+the+world's+most+mysterious+number&dq=Pi%3A+a+biography+of+the+world's+most+mysterious+number&hl=en&ei=oN7PTIKkItTR4gaM6-SiBg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CC0Q6AEwAABlockquote","timestamp":"2014-04-18T05:38:04Z","content_type"... |
Heat Transfer problem
Hey guys. I've been cracking whole day over this question to no avail. I mean I have no idea if it's correct or wrong. And I desperately have to get it done by tomorrow and it's already midnight here
so would really appreciate any sort of help I can get. Here are the doubts that I'd like to clear.... | {"url":"http://www.physicsforums.com/showthread.php?s=b8d19007b5733d2ddc83ea67d195021d&p=4531838","timestamp":"2014-04-25T00:14:25Z","content_type":null,"content_length":"24939","record_id":"<urn:uuid:79649d7c-b179-49f6-9f4c-6b039e2fb40d>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007... |
category-extras-0.53.6: Various modules and constructs inspired by category theory Contents Index
Portability non-portable (rank-2 polymorphism)
Control.Comonad.HigherOrder Stability experimental
Maintainer Edward Kmett <ekmett@gmail.com>
extending Neil Ghan... | {"url":"http://comonad.com/haskell/category-extras/dist/doc/html/category-extras/Control-Comonad-HigherOrder.html","timestamp":"2014-04-17T18:24:14Z","content_type":null,"content_length":"8423","record_id":"<urn:uuid:b5037a9e-0f1f-4a35-9362-c57647dceb04>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAI... |
DSP; Difference equation from a transfer function
March 2nd 2009, 09:06 AM #1
Mar 2009
DSP; Difference equation from a transfer function
This is a question relating to DSP. I wasn't sure what section to put it in. (move it if you so wish)
I have the transfer function:
0.5 - 0.3 z-1
------------- = H... | {"url":"http://mathhelpforum.com/differential-equations/76532-dsp-difference-equation-transfer-function.html","timestamp":"2014-04-20T01:45:25Z","content_type":null,"content_length":"43862","record_id":"<urn:uuid:140001c4-64f9-4f28-b56c-72605fd13959>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-201... |
Patent US6185595 - Discrete cosine transformation operation circuit
The present invention relates to a technique for processing image data and a technique for decompressing the compressed image data and, more particularly, to a technique which is useful when applied
to a discrete cosine transformation operation circuit... | {"url":"http://www.google.com/patents/US6185595?dq=5,666,293","timestamp":"2014-04-18T06:32:57Z","content_type":null,"content_length":"129243","record_id":"<urn:uuid:f0a51593-48e3-479f-b534-51df66f481eb>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00586-ip-10-147-4-33.ec2.internal.... |
2.2 Three Goals for Inference from Data
2.2 Three Goals for Inference from Data 13 2.2.1 Estimation of Parameter Values One goal we may have is deciding the extent to which we should believe in each of the possible values of an underlying
parameter. In the case of the coin, we may use the observed data to determine the... | {"url":"http://my.safaribooksonline.com/book/-/9780123814852/2dot2-three-goals-for-inference-from-data/223_model_comparison","timestamp":"2014-04-21T00:23:58Z","content_type":null,"content_length":"85372","record_id":"<urn:uuid:92f83d38-2e6a-47e4-a075-3e7c83aa6918>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/... |
Venanzio Capretta
I recently moved to the University of Nottingham.
This page will not be maintained any longer.
Please visit my new home page in Nottingham.
Venanzio Capretta
... | {"url":"http://cs.ru.nl/~venanzio/","timestamp":"2014-04-16T07:14:23Z","content_type":null,"content_length":"37415","record_id":"<urn:uuid:681d0e45-d4dc-49ae-8a13-7ab430292ac8>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00408-ip-10-147-4-33.ec2.internal.warc.gz"} |
Sierpinski number
A positive, odd integer k such that k times 2^n + 1 is never a prime number for any value of n. In 1960 Waclaw Sierpinski showed that there were infinitely many such numbers (though he didn't give a
specific example.) This a strange result. Why should it be that while the vast majority of expressions ... | {"url":"http://www.daviddarling.info/encyclopedia/S/Sierpinski_number.html","timestamp":"2014-04-21T12:12:10Z","content_type":null,"content_length":"7658","record_id":"<urn:uuid:ef7b737b-b877-43be-8f52-5381924e6126>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00105-ip-10-147-4-33.e... |
nalysis 2
Teaching Experience I began teaching mathematics in 1988 as a teaching assistant at The Ohio State University. I taught at Indiana University as a graduate stu dent and ...
PROPOSED GRADUATE MATHEMATICS COURSES, SPRING 2011 (September8,2010)
PROPOSED GRADUATE MATHEMATICS COURSES, SPRING 2011 (September8,2010... | {"url":"http://www.cawnet.org/docid/complex+analysis+2+by+ahlfors+solutions+to+exercises/","timestamp":"2014-04-20T20:59:57Z","content_type":null,"content_length":"52234","record_id":"<urn:uuid:a25b3d70-6500-4693-92cb-9322c56e8734>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00303-... |
Aventura, FL Statistics Tutor
Find an Aventura, FL Statistics Tutor
...The non-exhaustive list of subjects that I am currently tutoring are: SSAT, PSAT, SAT AND SAT Subject Tests, ACT, DEC, GRE, GMAT, as well as prealgebra, algebra I & II, geometry, trigonometry,
precalculus, calculus, differential calculus, statis... | {"url":"http://www.purplemath.com/Aventura_FL_statistics_tutors.php","timestamp":"2014-04-18T08:45:30Z","content_type":null,"content_length":"24453","record_id":"<urn:uuid:3071a1f7-f5b0-4012-bbc8-36cc23549154>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00179-ip-10-147-4-33.ec2.int... |
PCA for NIR Spectra_part 004: "Projections"
February 26, 2012
By jrcuesta
This plot in 2D, help us to decide the number of PCs, it is easy to create in R, once we have discompose the X matrix into a P matrix (loadings) and a T matrix (scores).
For this plot, we just need the T matrix.
> CPs<-seq(1,10,by=1)
> matplot(CP... | {"url":"http://www.r-bloggers.com/pca-for-nir-spectra_part-004-projections/","timestamp":"2014-04-16T10:36:51Z","content_type":null,"content_length":"38119","record_id":"<urn:uuid:1f2b4b67-1353-409f-91ff-020d9c19c716>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00278-ip-10-147-4-33... |
Goucher College
Department of Physics and Astronomy
Modern Physics
Fall 2010
Click here for Modern Physics simulations
· Lecturer
Dr. Sasha Dukan
Office: G10E
phone: 410-337-6323
e-mail: sdukan@goucher.edu
Office hours: MWF 11:30am-12:30pm. Please respect this schedule and make appointment to see me at other times.
Cla... | {"url":"http://meyerhoff.goucher.edu/physics/phys220/220syl-10.htm","timestamp":"2014-04-17T03:48:28Z","content_type":null,"content_length":"34741","record_id":"<urn:uuid:f704607c-2cb1-4ba4-801d-508941ddf6c4>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00182-ip-10-147-4-33.ec2.inte... |
Lecture 6. Entropic CLT (3)
In this lecture, we complete the proof of monotonicity of the Fisher information in the CLT, and begin developing the connection with entropy. The entropic CLT will be completed in the next lecture.
Variance drop inequality
In the previous lecture, we proved the following decomposition resul... | {"url":"http://blogs.princeton.edu/sas/2013/11/13/lecture-6-entropic-clt-3/","timestamp":"2014-04-18T13:13:50Z","content_type":null,"content_length":"83931","record_id":"<urn:uuid:7ed78c50-25dd-4cad-8604-65a5efda4c1e>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00443-ip-10-147-4-33... |
Schultzville, PA Math Tutor
Find a Schultzville, PA Math Tutor
I have taught Mathematics in Latvia for 20 years, elementary, middle and high school. Math is not easy for all students. I understand the special needs student as I have tutored also for many
6 Subjects: including algebra 2, geometry, trigonometry, alge... | {"url":"http://www.purplemath.com/Schultzville_PA_Math_tutors.php","timestamp":"2014-04-19T17:26:17Z","content_type":null,"content_length":"23781","record_id":"<urn:uuid:80ec1249-95f6-4844-b2ce-668ee897dd62>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00266-ip-10-147-4-33.ec2.inter... |
Perlin Noise
Perlin Noise and Turbulence
Written by Paul Bourke
... | {"url":"http://paulbourke.net/texture_colour/perlin/","timestamp":"2014-04-18T02:58:57Z","content_type":null,"content_length":"10763","record_id":"<urn:uuid:20d53d4d-aa46-4b1b-9ed8-4a6ba6523068>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00007-ip-10-147-4-33.ec2.internal.warc.gz"} |
Re: How does guage symmetry work?
Date: Mon Jul 2 14:13:14 2001
Posted By: Michael Wohlgenannt, Grad student, Ph.D. student, Department of theoretical physics , university of munich
Area of science: Physics
ID: 992822192.Ph Message:
Hi Gashib,
that is a good question. The concept of gauge symmetry is a fundamental one ... | {"url":"http://www.madsci.org/posts/archives/2001-07/994165600.Ph.r.html","timestamp":"2014-04-17T06:46:09Z","content_type":null,"content_length":"9891","record_id":"<urn:uuid:0a0b407e-1425-44b3-a322-92b2f985aaab>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00333-ip-10-147-4-33.ec2... |
Audubon Park, NJ Trigonometry Tutor
Find an Audubon Park, NJ Trigonometry Tutor
...Not only do I have hundreds of hours of tutoring experience, but I am also certified in both English AND Math (a very rare qualification). I hold Pennsylvania Level II teaching certifications
in English 7-12, Math 7-12, and Health K-... | {"url":"http://www.purplemath.com/Audubon_Park_NJ_Trigonometry_tutors.php","timestamp":"2014-04-18T04:10:55Z","content_type":null,"content_length":"24712","record_id":"<urn:uuid:b702dd0a-6e8f-438a-9681-795ba4cd0f3f>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00206-ip-10-147-4-33.e... |
Summary: The Center for Control, Dynamical Systems, and Computation
University of California at Santa Barbara
Winter 2007 Seminar Series
The Role of Broken Extremals in Nonholonomic
Roger Brockett
Harvard University
Friday, February 23th, 2007 3:00pm-4:00pm
1001 LSB Rathmann Auditorium
We will discuss a problem which h... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/368/4180850.html","timestamp":"2014-04-20T23:42:21Z","content_type":null,"content_length":"8331","record_id":"<urn:uuid:db85d79c-3c34-4a19-bede-11a97cff3083>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00084-ip-10-147-... |
Discussing with a non statistician colleague, it seems that the logistic regression is not intuitive; Some basics questions like : - Why don't use the linear model? - What's logistic function? - How
can we compute by hand, step by step t...
Creating a QGIS-Style (qml-file) with an R-Script
How to get from a txt-file ... | {"url":"http://www.r-bloggers.com/search/GIS/page/3/","timestamp":"2014-04-18T05:39:27Z","content_type":null,"content_length":"38980","record_id":"<urn:uuid:c713067e-55a2-4c09-bd93-3411feb761bd>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00343-ip-10-147-4-33.ec2.internal.warc.gz"} |
Audiophilia: hobby or disease? (CONTINUED)
The Quake III Machine
C2D e6750 @ Gigabyte GA-P45T-ES3G | 8GB GSkill | Venemous X | Asus 560Ti | Corsair 520HX | 750GB Seagate | Antec 300 | Thanks SPCR
StarfishChris wrote:
For the former it's as much a hobby as silencing for most of us. But with the latter, I consider it a... | {"url":"http://www.silentpcreview.com/forums/viewtopic.php?f=18&t=21932&start=30","timestamp":"2014-04-20T09:39:50Z","content_type":null,"content_length":"149227","record_id":"<urn:uuid:ba14f39c-98fa-4025-934e-271966610d9c>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00522-ip-10-147... |
Scalable algorithms for machine learning and data mining
[HOME] [EDUCATION] [PUBLICATIONS] [RESEARCH] [SOFTWARE] [INTERNSHIPS] [PROJECTS]
SCALABLE MACHINE LEARING FOR MASSIVE DATASETS: FAST SUMMATIO... | {"url":"http://www.umiacs.umd.edu/labs/cvl/pirl/vikas/Current_research/scalable_machine_learning/scalable_machine_learning.html","timestamp":"2014-04-19T17:02:40Z","content_type":null,"content_length":"20266","record_id":"<urn:uuid:c992d561-719b-40c7-8ce1-042aa12f3b46>","cc-path":"CC-MAIN-2014-15/segments/1397609537308... |
February 1st 2007, 04:30 PM #1
Junior Member
Nov 2006
If you could help it would be appreciated!!!
#1 I need to show an algebraic expression to show, "The distance (in miles) traveled in h hours at an average speed of 55 mph?"
#2 The quotient of two consecutive integers, the smallest being n.
#3 The... | {"url":"http://mathhelpforum.com/algebra/11016-expressions.html","timestamp":"2014-04-16T05:34:35Z","content_type":null,"content_length":"31552","record_id":"<urn:uuid:9ee36c45-88e0-4bcd-b406-5e9c78e54e31>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00090-ip-10-147-4-33.ec2.interna... |
Homework Help
Posted by Monica on Tuesday, October 23, 2012 at 3:15pm.
Two fewer than a number doubled is the same as the number decreased by 38. Find the number.
If n is "the number," which equation could be used to solve for the number?
• Algebra 1 - Steve, Tuesday, October 23, 2012 at 3:20pm
"Two fewer than a ... | {"url":"http://www.jiskha.com/display.cgi?id=1351019750","timestamp":"2014-04-20T11:37:50Z","content_type":null,"content_length":"9587","record_id":"<urn:uuid:bc8ec619-61a7-460d-8d5d-d1893b0da69a>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00560-ip-10-147-4-33.ec2.internal.warc.gz... |
FOM: (non)computability
Joe Shipman shipman at savera.com
Wed Sep 2 14:54:42 EDT 1998
Fenner writes:
At the heart of almost any good proof in recursion theory
is one or more algorithms. These algorithms may be showing that one
particular degree is higher than another, and both may be noncomputable.
I consider *relat... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1998-September/002044.html","timestamp":"2014-04-20T03:15:06Z","content_type":null,"content_length":"4216","record_id":"<urn:uuid:a764a5d3-c2a2-4c09-8197-a42eda8e54e1>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00129-ip-10-147-4-33.ec2.i... |
How Many Points is a Turnover Worth?
Most Recent FO Features
Want to see what good middle linebacker play looks like? Watch this Alabama prospect work.
25 Sep 2003
How Many Points is a Turnover Worth?
by Aaron Schatz
How many points is a turnover worth? If it is returned for a touchdown, clearly the answer is six, righ... | {"url":"http://www.footballoutsiders.com/stat-analysis/2003/how-many-points-turnover-worth","timestamp":"2014-04-17T00:48:44Z","content_type":null,"content_length":"51523","record_id":"<urn:uuid:8df77a74-8dfa-4504-a8b4-19e9582a916b>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00524-... |
Portability Haskell 98
Stability stable
Maintainer haskell@henning-thielemann.de
A type class for non-negative numbers. Prominent instances are Numeric.NonNegative.Wrapper.T and peano numbers. This class cannot do any checks, but it let you show to the user what arguments your
function expects. Thus you must defi... | {"url":"http://hackage.haskell.org/package/non-negative-0.1/docs/Numeric-NonNegative-Class.html","timestamp":"2014-04-21T15:46:55Z","content_type":null,"content_length":"10812","record_id":"<urn:uuid:8feea5fe-8dfe-4b28-af79-7191ef9b95ec>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-... |
set operations
November 27th 2006, 12:10 PM #1
Oct 2006
set operations
What is the difference between the union of two sets and the intersection of two sets. Give an example of each
A union of two sets is a set that contains all the elements of the two sets.
$A=\{ \mbox{ all men } \}$
$B=\{ \mbox{ a... | {"url":"http://mathhelpforum.com/discrete-math/8072-set-operations.html","timestamp":"2014-04-20T17:56:24Z","content_type":null,"content_length":"35729","record_id":"<urn:uuid:e296af45-ce6b-446f-a591-0576cd5eb3a0>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00648-ip-10-147-4-33.ec2... |
Isometric embedding of a Kaehler manifold as a special Lagrangian in a Calabi-Yau manifold
up vote 2 down vote favorite
I am reading the paper "Hyperkaehler structures on the total space of holomorphic cotangent bundles" by D.Kaledin and I am asking if it is possible to embedd a real-analytic Kähler manifold,
isometric... | {"url":"http://mathoverflow.net/questions/110140/isometric-embedding-of-a-kaehler-manifold-as-a-special-lagrangian-in-a-calabi-ya/110432","timestamp":"2014-04-18T14:01:51Z","content_type":null,"content_length":"66769","record_id":"<urn:uuid:71d71e04-bbdf-489a-b03a-cb1ae587b9dd>","cc-path":"CC-MAIN-2014-15/segments/1397... |
[SOLVED] Complex rational expressions HELP!
November 6th 2007, 11:05 AM #1
Nov 2007
[SOLVED] Complex rational expressions HELP!
I do not understand how to do these problems. Is there anyone who understands these?
3x/y - x
2y - y/x
Yes. I am new to this site and am not exactly sure how to type it tha... | {"url":"http://mathhelpforum.com/algebra/22130-solved-complex-rational-expressions-help.html","timestamp":"2014-04-17T21:01:10Z","content_type":null,"content_length":"44541","record_id":"<urn:uuid:ccbc1539-7656-4d35-a2dd-0b752d523542>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-005... |
Dataplot Vol 1 Auxiliary Chapter
Compute the bias corrected log odds ratio between two binary variables.
Given two variables where each variable has exactly two possible outcomes (typically defined as success and failure), we define the odds ratio as:
o = (N[11]/N[12])/ (N[21]/N[22])
= (N[11]N... | {"url":"http://www.itl.nist.gov/div898/software/dataplot/refman2/auxillar/logoddra.htm","timestamp":"2014-04-20T23:27:06Z","content_type":null,"content_length":"16599","record_id":"<urn:uuid:1d095b36-0dd6-4732-a017-01db1ed76986>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00307-ip-... |
Tucker, GA Statistics Tutor
Find a Tucker, GA Statistics Tutor
...I have used various releases for those 10 years. I am a licensed professional Civil Engineer in the state of Georgia. My license number is PE033191.
16 Subjects: including statistics, chemistry, physics, calculus
...After undergrad I scored in th... | {"url":"http://www.purplemath.com/Tucker_GA_Statistics_tutors.php","timestamp":"2014-04-19T23:59:13Z","content_type":null,"content_length":"23715","record_id":"<urn:uuid:e413344b-e772-413d-bfc7-6fadf620decf>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00111-ip-10-147-4-33.ec2.inter... |
Linear Algebra Toolbox 3
The last part had a bit of theory and terminology groundwork. This part will be focusing on the computational side instead.
Slicing up matrices
In the previous parts, I’ve been careful to distinguish between vectors and their representation as coefficients (which depends on a choice of basis), ... | {"url":"http://fgiesen.wordpress.com/2012/06/25/linear-algebra-toolbox-3/","timestamp":"2014-04-17T18:52:55Z","content_type":null,"content_length":"81768","record_id":"<urn:uuid:beae9ce6-dc49-40e2-9a5e-59e8028242ff>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00395-ip-10-147-4-33.ec... |
An Example on - -
Please install Math Player to see the Math Symbols properly
Attempt following question by selecting a choice to answer.
Use Rolle's Theorem to determine the value of
such that
f ′ (c) = 0,
f(x) = (x - a)^m (x - b)^n
are positive integers in the interval
[a, b].ee cc
View Solution Steps | {"url":"http://www.icoachmath.com/solvedexample/sampleworksheet.aspx?process=/__cstlqvxbefxaxbgbmexkjfhhxgbhdkxb&.html","timestamp":"2014-04-19T22:05:49Z","content_type":null,"content_length":"48947","record_id":"<urn:uuid:a111859d-f1d6-4768-aca9-513ddbcaf9f5>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/... |
[Haskell-cafe] Haskell.org GSoC
Don Stewart dons at galois.com
Wed Feb 11 12:51:26 EST 2009
> Hi,
> I noticed last year Haskell.org was a mentoring organization for
> Google's Summer of Code, and I barely noticed some discussion about it
> applying again this year :)
> I participated for GCC in 2008 and would like ... | {"url":"http://www.haskell.org/pipermail/haskell-cafe/2009-February/055536.html","timestamp":"2014-04-24T07:02:25Z","content_type":null,"content_length":"5500","record_id":"<urn:uuid:e030f134-9f48-46a3-a904-6b32afe6becb>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00146-ip-10-147-4-... |
, 1992
"... We introduce the framework of hybrid automata as a model and specification language for hybrid systems. Hybrid automata can be viewed as a generalization of timed automata, in which the behavior
of variables is governed in each state by a set of differential equations. We show that many of the examp ..."
Ci... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=4258957","timestamp":"2014-04-18T01:48:49Z","content_type":null,"content_length":"12725","record_id":"<urn:uuid:2c2ca3a8-5083-497e-bb39-47d3afb79c92>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00075-ip-10-147-4-33.ec2.internal.war... |
ASTM D2990 Flexural Creep Testing of CIPP Liner Materials
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Aug. 02, 2007
ASTM D2990 Flexural Creep Testing of CIPP Liner Materials
Author: Steve Ferry
In discussing material property testing, it is sometimes best to start with definitions of the various parameters involved. Over the course... | {"url":"http://www.microbac.com/technical-articles/astm-d2990-flexural-creep-testing-of-cipp-liner-materials/","timestamp":"2014-04-20T05:42:51Z","content_type":null,"content_length":"17287","record_id":"<urn:uuid:3190a58a-c81e-447a-a8cb-7edd589248e7>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-2... |
Polynomial Exponents
Fractions are really just a division problem which is shown in a special form. Since we can just "distribute" in the exponents for an ordinary division problem, we can do the same for a fraction.
Look over the example below:
We can just distribute in the 3, as in the other problems.
As you can see,... | {"url":"http://algebrahelp.com/lessons/simplifying/polyexp/pg3.htm","timestamp":"2014-04-16T07:49:04Z","content_type":null,"content_length":"5698","record_id":"<urn:uuid:ddfef371-7059-4e3c-b758-6cb75c795e54>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00387-ip-10-147-4-33.ec2.intern... |
Making The Connection Patterns and Relations
Students often experience difficulty in Math 10 because they have not made connections between formulas and real life situations. The following experiments can be done with students in middle years
or as an introduction to functions in Math 10. Some people might say the Math... | {"url":"http://mathcentral.uregina.ca/RR/database/RR.09.97/gauthier46.html","timestamp":"2014-04-20T16:08:49Z","content_type":null,"content_length":"16104","record_id":"<urn:uuid:905b630f-c570-4b13-b82b-51fd05bb29b6>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00113-ip-10-147-4-33.e... |
finding center of 2D triangle
up vote 8 down vote favorite
(Yes, unfortunately, this is a homework question)
I've been given a struct for a 2D triangle with x and y coordinates, a rotation variable, and so on. From the point created by those x and y coordinates, I am supposed to draw a triangle around the
point and rot... | {"url":"http://stackoverflow.com/questions/524755/finding-center-of-2d-triangle","timestamp":"2014-04-19T20:27:01Z","content_type":null,"content_length":"75980","record_id":"<urn:uuid:555c802f-f1b9-4caf-a898-5adf6f98e12b>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00503-ip-10-147-... |
How many socks make a pair - solution
How many socks make a pair?
Unfortunately I am lazy and disorganised. One symptom of this is that I can never be bothered to fold up my socks in pairs when they come out of the wash. I just chuck them in the drawer. Another
symptom is that I always wake up late for work and end up ... | {"url":"http://plus.maths.org/content/how-many-sock-make-pair-solution","timestamp":"2014-04-19T12:03:16Z","content_type":null,"content_length":"23151","record_id":"<urn:uuid:b035829c-e390-4e6a-925e-f6c557bc0e5f>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00308-ip-10-147-4-33.ec2.... |
Relative Rain
If someone goes from his car to his front door in a rainstorm, will he get more wet, less wet, or equally wet if he runs rather than walks? To develop a quantitative answer, consider a spherical man,
and assume he moves to his car in a straight horizontal path with velocity u. The raindrops are falling at... | {"url":"http://mathpages.com/home/kmath301/kmath301.htm","timestamp":"2014-04-21T04:42:12Z","content_type":null,"content_length":"8447","record_id":"<urn:uuid:8c54373e-f4ad-4b45-9367-6663e2573d5a>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00523-ip-10-147-4-33.ec2.internal.warc.gz... |
Zentralblatt MATH
Publications of (and about) Paul Erdös
Zbl.No: 308.10019
Autor: Erdös, Paul
Title: Problems and results on Diophantine approximations. II. (In English)
Source: Repartition modulo 1, Actes Colloq. Marseille-Luminy 1974, Le... | {"url":"http://www.emis.de/classics/Erdos/cit/30810019.htm","timestamp":"2014-04-21T14:43:01Z","content_type":null,"content_length":"3708","record_id":"<urn:uuid:5a5524ee-a274-4354-8c11-692915789cb5>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00338-ip-10-147-4-33.ec2.internal.warc... |
Flow of a Pyclaw Simulation
The basic idea of a pyclaw simulation is to construct a Solution object, hand it to a Solver object with the request new time and the solver will take whatever steps are necessary to evolve the
solution to the requested time.
The bulk of the work in order to run a simulation then is the crea... | {"url":"http://depts.washington.edu/clawpack/users-4.6/pyclaw/tutorial.html","timestamp":"2014-04-20T19:41:24Z","content_type":null,"content_length":"27839","record_id":"<urn:uuid:43bcca08-6131-4f71-83fa-49550c16e213>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00205-ip-10-147-4-33... |
Multi-taper spectral derivative - point process times
function [dS,f]=mtdspectrumpt(data,phi,params,t)
Multi-taper spectral derivative - point process times
Note that all times can be in arbitrary units. But the units have to be
consistent. So, if E is in secs, win, t have to be in secs, and Fs has to
be Hz. ... | {"url":"http://chronux.org/Documentation/chronux/spectral_analysis/pointtimes/mtdspectrumpt.html","timestamp":"2014-04-16T10:48:18Z","content_type":null,"content_length":"13720","record_id":"<urn:uuid:a80f7f56-162c-49b1-b942-c8f2d7bd0839>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006... |
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Thursday, August 17, 2006
Conjecture to theorem to fame to fortune
The buzz is building in the mathematical community. It looks more and more likely that Grigori Perelman's proof of the Poincaré conjecture is correct — and that he has solved a problem that has
eluded the best mathematical minds for mor... | {"url":"http://plus.maths.org/content/comment/reply/4242","timestamp":"2014-04-17T15:38:53Z","content_type":null,"content_length":"24098","record_id":"<urn:uuid:b30cbaf4-2854-44fa-a248-36ea6b5f2308>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00464-ip-10-147-4-33.ec2.internal.warc.g... |
How many socks make a pair - solution
How many socks make a pair?
Unfortunately I am lazy and disorganised. One symptom of this is that I can never be bothered to fold up my socks in pairs when they come out of the wash. I just chuck them in the drawer. Another
symptom is that I always wake up late for work and end up ... | {"url":"http://plus.maths.org/content/how-many-sock-make-pair-solution","timestamp":"2014-04-19T12:03:16Z","content_type":null,"content_length":"23151","record_id":"<urn:uuid:b035829c-e390-4e6a-925e-f6c557bc0e5f>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00308-ip-10-147-4-33.ec2.... |
Results 1 - 10 of 49
- DISTRIBUTED COMPUTING , 2001
"... In this paper we present two protocols for asynchronous Byzantine Quorum Systems (BQS) built on top of reliable channels---one for self-verifying data and the other for any data. Our protocols
tolerate Byzantine failures with fewer servers than existing solutions... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=149262","timestamp":"2014-04-16T05:37:57Z","content_type":null,"content_length":"39685","record_id":"<urn:uuid:3f8046c9-1b4a-44f2-9b3c-e06d047d331d>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00063-ip-10-147-4-33.ec2.internal.war... |
Monthly Archives: December 2011
Tweet4.3: Newton’s Second Newton’s second: Force is mass time acceleration. First, let’s get a basic understanding. I prefer to state the law this way: F = m(dv/dt). Verbally, that’s “Force equals
mass times change in velocity.” Or, more succinctly “Force … Continue reading
TweetInterest... | {"url":"http://www.theweinerworks.com/?m=201112","timestamp":"2014-04-17T01:07:11Z","content_type":null,"content_length":"35581","record_id":"<urn:uuid:4371b47d-1767-46e3-8e36-8601d4973a55>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00643-ip-10-147-4-33.ec2.internal.warc.gz"} |
Re: st: reverse prediction - confidence interval for x at given y in non
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Re: st: reverse prediction - confidence interval for x at given y in nonlinear model
From "Joseph Coveney" <jcoveney@bigplanet.com>
To "Statalist" <statalist@hsphsu... | {"url":"http://www.stata.com/statalist/archive/2007-10/msg01089.html","timestamp":"2014-04-19T02:08:45Z","content_type":null,"content_length":"15173","record_id":"<urn:uuid:c0aab5f3-3e58-44f4-b85e-746fd2f913d6>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00570-ip-10-147-4-33.ec2.int... |
Recursive descent and left recursion
14 Jan 1997 20:06:31 -0500
From comp.compilers
| List of all articles for this month |
From: mfinney@lynchburg.net
Newsgroups: comp.compilers
Date: 14 Jan 1997 20:06:31 -0500
O... | {"url":"http://compilers.iecc.com/comparch/article/97-01-099","timestamp":"2014-04-19T12:15:53Z","content_type":null,"content_length":"6074","record_id":"<urn:uuid:b2ea14a3-c56a-4967-9f9e-1279dfed1562>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00245-ip-10-147-4-33.ec2.internal.war... |
Welcome to the Learning Resources Portal.
This Portal is designed to provide you with access to quality learning, teaching and professional development resources. Find information on quantity and quality and location of text ise. Search,
download and use these resources on this site and locate them in print and hard co... | {"url":"http://lrmds.deped.gov.ph/","timestamp":"2014-04-19T22:04:56Z","content_type":null,"content_length":"11573","record_id":"<urn:uuid:04b1ce8f-dd82-4340-ae83-0238135c31ec>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00518-ip-10-147-4-33.ec2.internal.warc.gz"} |
Problem with a simple program
06-15-2006 #1
C noobie
Join Date
Jun 2006
Problem with a simple program
Alright, I just started teaching myself how to program C a couple days ago, so don't make fun of me too much!
#include <stdio.h>
//purpous is to have 4 numbers input and the average displayed
... | {"url":"http://cboard.cprogramming.com/c-programming/80129-problem-simple-program.html","timestamp":"2014-04-18T19:24:08Z","content_type":null,"content_length":"82230","record_id":"<urn:uuid:2d498363-1ab8-4fce-a223-e9154ee556f6>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00113-ip-... |
Write a shell script to find the factorial of a given number, Programming Languages
W.A.S.S to find the factorial of a given number.
# W.A.S.S to find the factorial of a given number.
echo -e "enter number:\c" # \c Suppress trailing newline, –e Backslash-escaped
# characters is enabled
read number
wh... | {"url":"http://www.expertsmind.com/questions/write-a-shell-script-to-find-the-factorial-of-a-given-number-30114176.aspx","timestamp":"2014-04-16T22:01:26Z","content_type":null,"content_length":"29648","record_id":"<urn:uuid:79c687eb-f576-4e21-941a-d1850c3c24f7>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/... |
Mission Viejo Algebra 2 Tutor
...We can find math working everywhere from our daily life to stars. Everyone needs to know math and algebra to be able to solve daily life problems. Algebra-1 gives needed skills to move on, and
it is needed even for Calculus.
11 Subjects: including algebra 2, calculus, statistics, ... | {"url":"http://www.purplemath.com/Mission_Viejo_algebra_2_tutors.php","timestamp":"2014-04-16T19:27:44Z","content_type":null,"content_length":"24101","record_id":"<urn:uuid:cd15b8ff-60ec-4855-b461-2b47348e80fa>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00542-ip-10-147-4-33.ec2.in... |
12.7.4 Quicksort or Samplesort Algorithm
Next: Hierarchical Tree-Structures as Up: 12.7 Sorting Previous: 12.7.3 Shellsort or Diminishing
The classic quicksort algorithm is a divide-and-conquer sorting method ([Hoare:62a], [Knuth:73a] pp.118-23). As such, it would seem to be amenable to a concurrent implementatio... | {"url":"http://www.netlib.org/utk/lsi/pcwLSI/text/node302.html","timestamp":"2014-04-18T13:09:54Z","content_type":null,"content_length":"8344","record_id":"<urn:uuid:cc7ff6b8-6796-4373-b5c2-e470c6fd6601>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00392-ip-10-147-4-33.ec2.internal.... |
Bounded Operators
Suppose that T takes bounded sets to bounded sets. The set of all vectors of the form [tex]\frac{f}{\|f\|}[/tex] is bounded, so there must exist a C such that
[tex]\|T\frac{f}{\|f\|}\|\leq C[/tex]
This implies [itex]\|Tf\|\leq C\|f\|[/itex].
To prove the converse, suppose instead that there exists a C... | {"url":"http://www.physicsforums.com/showthread.php?t=377054","timestamp":"2014-04-20T16:01:15Z","content_type":null,"content_length":"29985","record_id":"<urn:uuid:3840b349-8967-49ec-a801-0db5fc6b76a3>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00536-ip-10-147-4-33.ec2.internal.w... |
Mathematical Prayer-7
Dear Lord
We thank you a hundredfold for the love and care that you have given us. May we in return to your good works, multiply it with love and respect. Add more faith. Subtract the unwordly behavior and
evil works but divide your given talents to others. And to sum it all may we be united as on... | {"url":"http://www.mathematicalprayer.blogspot.com/","timestamp":"2014-04-18T23:17:05Z","content_type":null,"content_length":"121544","record_id":"<urn:uuid:1abc11c5-a4da-479e-aba8-34acd7478dd3>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00593-ip-10-147-4-33.ec2.internal.warc.gz"} |
I can't get time, with formulas, help please.
September 27th 2010, 04:54 PM #1
Jan 2009
Ontario Canada
I can't get time, with formulas, help please.
Hey There,
A golf ball rolls off a horizontal cliff with an Vo speed of 11.4 m/s. The ball falls a vertical distance of 15.5 m into a lake below.
It as... | {"url":"http://mathhelpforum.com/math-topics/157636-i-can-t-get-time-formulas-help-please.html","timestamp":"2014-04-18T07:34:26Z","content_type":null,"content_length":"34788","record_id":"<urn:uuid:ec4bdccf-6b52-4bc6-bc8c-e109b8c7d77d>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-0... |
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<Simultaneous equation> y=2-x, x(x+y)=5-3y^2 a solution would ... | {"url":"http://openstudy.com/updates/50ed804ce4b07cd2b64937fb","timestamp":"2014-04-19T10:09:12Z","content_type":null,"content_length":"84414","record_id":"<urn:uuid:030f8383-dd17-49c4-8fc1-cc549fcc0ebd>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00044-ip-10-147-4-33.ec2.internal.... |
Millennium Prize Problems
On April 25, 2000, the Clay Mathematics Institute announced that it would give $1,000,000 to anyone who could solve any of these seven outstanding problems in mathematics:
All of these problems are classic questions that have resisted solution for many years, and the Clay Institute wishes to s... | {"url":"http://everything2.com/title/Millennium+Prize+Problems","timestamp":"2014-04-18T22:02:15Z","content_type":null,"content_length":"21451","record_id":"<urn:uuid:143e1a6c-5c8c-4fd4-b51c-9cd1ec8c7018>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00419-ip-10-147-4-33.ec2.internal.... |
Alpine, NJ Calculus Tutor
Find an Alpine, NJ Calculus Tutor
...In math, everything you learn builds on top of what you learned in previous years, and without that strong foundation, students can fall behind. When teachers explain something in class they
assume that the students have a certain knowledge about math b... | {"url":"http://www.purplemath.com/Alpine_NJ_Calculus_tutors.php","timestamp":"2014-04-21T12:52:45Z","content_type":null,"content_length":"23996","record_id":"<urn:uuid:e5f08afa-f5eb-422e-9994-993b00dbdb8d>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00469-ip-10-147-4-33.ec2.interna... |
Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text o... | {"url":"http://www.nap.edu/openbook.php?record_id=9738&page=111","timestamp":"2014-04-23T08:12:17Z","content_type":null,"content_length":"41548","record_id":"<urn:uuid:08cbbada-f39c-40fc-8cdf-984d5f0cdafe>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00626-ip-10-147-4-33.ec2.interna... |
Dependent and independent data
Often, when reading a statistics book, you will see some variation on the phrase “independent data“. Many models assume that the data are independent. Sometimes this is abbreviated as part of the
acronym iid which means independent and identically distributed.
You may get confused betw... | {"url":"http://www.statisticalanalysisconsulting.com/dependent-and-independent-data/","timestamp":"2014-04-18T13:07:39Z","content_type":null,"content_length":"94323","record_id":"<urn:uuid:bd5bff87-00b1-4bcd-a5e9-b234f1fcbeba>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00135-ip-10... |
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Total # Posts: 15
Your samle is normally distributed with a mean age of 57. The standard deviation iin this sample is 5 years.The 2000 census shows your sample is older than a randomly selected national sample. The
median agein your sample is?
Clanton Company is financed 75 percent by equity and 25 percent by... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=statistics","timestamp":"2014-04-18T22:55:59Z","content_type":null,"content_length":"10372","record_id":"<urn:uuid:ffbd626d-0ebf-4ab1-af63-8484c4bef5fa>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00128-ip-10-147-4-33.ec2.... |