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The Size of GL_2(Z_7)
November 1st 2010, 11:49 AM #1
The Size of GL_2(Z_7)
Hello everyone. I am asked to find the size of the group $G=GL_2(\mathbb{Z}_7)$ and would like to verify my work.
This group acts on the vector space $\mathbb{Z}_7\times \mathbb{Z}_7$ with basis $\{(1,0), (0,1)\}$. From this, we have the... | {"url":"http://mathhelpforum.com/advanced-algebra/161761-size-gl_2-z_7-a.html","timestamp":"2014-04-18T03:05:25Z","content_type":null,"content_length":"42022","record_id":"<urn:uuid:c0bca4e6-3fa7-4c3c-ad4b-52dbeee544bd>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00286-ip-10-147-4-... |
Modified Bessel function of the first kind: Representations through more general functions
Representations through more general functions
Through hypergeometric functions
Involving [0]F^~[1]
Involving [0]F[1]
Involving [1]F[1]
Through Meijer G
Classical cases for the direct function itself
Classical cases involving exp... | {"url":"http://functions.wolfram.com/Bessel-TypeFunctions/BesselI/26/ShowAll.html","timestamp":"2014-04-17T10:00:45Z","content_type":null,"content_length":"124586","record_id":"<urn:uuid:467a972b-9929-415b-b99f-b3aadeab5427>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00147-ip-10-1... |
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Topic: How can i put a funtion (like f=x^2) before use the x?
Replies: 2 Last Post: May 5, 2009 4:04 PM
... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=1921010","timestamp":"2014-04-18T00:18:11Z","content_type":null,"content_length":"18463","record_id":"<urn:uuid:e0653a9c-20b9-4f60-8e39-5f0b778a384a>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00536-ip-10-147-4-33.ec2.internal.w... |
cs381k p. 165
Resolution Step for Propositional Calculus
A clause is a disjunction of literals (atoms or negations of atoms).
Select two clauses C[1] and C[2] that have exactly one atom that is positive in one clause and negated in the other.
Form a new clause, consisting of all literals of both clauses except for the... | {"url":"http://www.cs.utexas.edu/~novak/cs381k165.html","timestamp":"2014-04-21T00:11:08Z","content_type":null,"content_length":"1843","record_id":"<urn:uuid:4c3e7697-5531-4a4d-8756-c56716c55a1d>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00257-ip-10-147-4-33.ec2.internal.warc.gz"... |
La Puente Prealgebra Tutor
Find a La Puente Prealgebra Tutor
...Then in the basic painting course, I started working with different media, in addition to linseed oil, such as glazing medium, beeswax, poppy seed oil, and stand oil. I also got to try
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2200 british pounds to usd
You asked:
2200 british pounds to usd
Say hello to Evi
Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more. Over the next few months we
will be adding all of Evi's power to th... | {"url":"http://www.evi.com/q/2200_british_pounds_to_usd","timestamp":"2014-04-21T03:19:10Z","content_type":null,"content_length":"56888","record_id":"<urn:uuid:95e87749-7b5c-47e7-865c-d37c305718ae>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00145-ip-10-147-4-33.ec2.internal.warc.g... |
Summary: Reducing Truthtelling Online Mechanisms to Online Optimization
Baruch Awerbuch Yossi Azar y Adam Meyerson z
We describe a general technique for converting an online algorithm B to a truthtelling mechanism. We require that the
original online competitive algorithm has certain ``niceness'' properties in that ac... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/980/3715761.html","timestamp":"2014-04-16T07:53:22Z","content_type":null,"content_length":"8961","record_id":"<urn:uuid:ca656a68-4bcd-4411-9426-0c980d455ba3>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00244-ip-10-147-... |
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Topic: Fast exponent and logarithm, given initial estimate
Replies: 29 Last Post: Nov 8, 2004 2:31 AM
M... | {"url":"http://mathforum.org/kb/message.jspa?messageID=3412484","timestamp":"2014-04-17T05:45:16Z","content_type":null,"content_length":"52179","record_id":"<urn:uuid:2afbcdc9-d8a0-437d-ae55-fcd019352992>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00292-ip-10-147-4-33.ec2.internal... |
Contents of /sb-simd/timing.lisp
1 #|
2 Copyright (c) 2005 Risto Laakso
3 All rights reserved.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
7 are met:
8 1. Redistributions of source code must retain the above copyright
9... | {"url":"http://common-lisp.net/viewvc/sb-simd/sb-simd/timing.lisp?revision=1.1&view=markup","timestamp":"2014-04-17T13:25:17Z","content_type":null,"content_length":"18612","record_id":"<urn:uuid:eb9db8bb-3d1c-4a1f-8b49-ae2cb4d821bb>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00109... |
Park School Math
The Perfect Combinatorics Problem
March 3, 2012 – 5:53 pm
In this post, I’m going to extol the virtues of my favorite combinatorics problem. You’ve probably heard it, or some version of it, before:
A pizza parlor offers ten different toppings on their pizza. How many different types of pizza are ... | {"url":"http://parkmath.org/page/2/","timestamp":"2014-04-16T19:36:58Z","content_type":null,"content_length":"52364","record_id":"<urn:uuid:cb8d71ac-1b19-410b-855c-48ad76265875>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00223-ip-10-147-4-33.ec2.internal.warc.gz"} |
Fast Matrix Multiplication
up vote 21 down vote favorite
Suppose we have two $n$ by $n$ matrices over particular ring. We want to multiply them as fast as possible. According to wikipedia there is an algorithm of Coppersmith and Winograd that can do it in
$O(n^{2.376})$ time. I have tried to look at the original paper ... | {"url":"http://mathoverflow.net/questions/34173/fast-matrix-multiplication?sort=newest","timestamp":"2014-04-19T12:16:18Z","content_type":null,"content_length":"90498","record_id":"<urn:uuid:d1343f66-cdc2-4a8c-ac37-25a2e832cb2e>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00625-ip-... |
Posts about Heegaard splittings on Low Dimensional Topology
Mark your calendars now: in June 2014, Cornell University will host “What’s Next? The mathematical legacy of Bill Thurston”. It looks like it will be a very exciting event, see the (lightly edited)
announcement from the organizers below the fold.
Smooth proof... | {"url":"http://ldtopology.wordpress.com/category/heegaard-splittings/","timestamp":"2014-04-19T02:05:30Z","content_type":null,"content_length":"66116","record_id":"<urn:uuid:c3600ec8-64c4-492d-af3c-118a605313f1>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00368-ip-10-147-4-33.ec2.in... |
Tewksbury Algebra 2 Tutor
Find a Tewksbury Algebra 2 Tutor
...Computer Science: I've taught young students programming from the ground up. I have a course of instruction designed for C++, but I also teach Java, and other languages such as MATLAB,
Mathematica, and LABview. High school: Physics, Mathematics, Chemistr... | {"url":"http://www.purplemath.com/Tewksbury_Algebra_2_tutors.php","timestamp":"2014-04-18T11:32:09Z","content_type":null,"content_length":"24131","record_id":"<urn:uuid:3997e928-a192-4de5-a7e7-98808b495d1f>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00170-ip-10-147-4-33.ec2.intern... |
Southlake Statistics Tutor
Find a Southlake Statistics Tutor
...I gained considerable OTJ experience writing complex SQL queries for a large mainframe relational database. I do not have experience with Microsoft ACCESS. I can help with query strategies and
with syntax of most query statements.
15 Subjects: includ... | {"url":"http://www.purplemath.com/Southlake_Statistics_tutors.php","timestamp":"2014-04-18T08:20:52Z","content_type":null,"content_length":"24061","record_id":"<urn:uuid:08aae14b-087a-467a-83d9-887c70348f37>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00128-ip-10-147-4-33.ec2.inter... |
Custom Topsoil
Custom Topsoil - Frequently Asked Questions
Frequently Asked Questions
1- Pick up and Delivery Questions
2- Payment Questions
3- General Questions
Answers to Frequently Asked Questions
1- Pick up and Delivery Questions
When will my order be delivered?
You have a choice between morning and afternoon ... | {"url":"http://www.customtopsoil.com/faqs.html","timestamp":"2014-04-20T18:23:14Z","content_type":null,"content_length":"19366","record_id":"<urn:uuid:4aef58f7-338d-41f9-b7ba-4589ec1f5fbb>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00555-ip-10-147-4-33.ec2.internal.warc.gz"} |
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What is the primary factor that determines the color of a pixe... | {"url":"http://openstudy.com/updates/4fa7e36be4b059b524f3a388","timestamp":"2014-04-17T07:01:12Z","content_type":null,"content_length":"30360","record_id":"<urn:uuid:292830fd-be74-4215-b9a9-310dc6f0e26b>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00418-ip-10-147-4-33.ec2.internal.... |
Determining Properties Of A Relation
November 2nd 2012, 05:28 AM
Determining Properties Of A Relation
The problem is: "Determine whether the relation R on the set of all Web pages is reflexive, symmetric, antisymmetric, and/or transitive, where(a, b)∈R if and only if
a) everyone who has visited Web page a has a... | {"url":"http://mathhelpforum.com/discrete-math/206607-determining-properties-relation-print.html","timestamp":"2014-04-19T05:07:39Z","content_type":null,"content_length":"9060","record_id":"<urn:uuid:52704791-8ac1-452c-bb3c-c38d9eede52c>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-... |
Example of line plot for third grade
Definition of Line Plot . A line plot shows data on a number line with x or other marks to show frequency. Examples of Line Plot . The line plot below shows the test. Fun math practice! Improve your
skills with free problems in 'Interpret line plots ' and thousands of other practice... | {"url":"http://h4y.6r.nxc.in.net/","timestamp":"2014-04-17T03:48:07Z","content_type":null,"content_length":"9648","record_id":"<urn:uuid:0d146e03-3e3d-4c2c-b01e-f30f483a60e5>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00510-ip-10-147-4-33.ec2.internal.warc.gz"} |
These days, everybody is talking about entropy. In fact, there is so much talk about entropy I am waiting for a Hollywood starlet to name her daughter after it. To help that case, today a
contribution about the entropy of black holes.
To begin with let us recall what entropy is. It's a measure for the number of micro-s... | {"url":"http://backreaction.blogspot.com/2009/01/monsters.html?showComment=1232107620000","timestamp":"2014-04-17T09:34:02Z","content_type":null,"content_length":"180071","record_id":"<urn:uuid:2556e65b-ee5c-411c-a5a7-70b7a9fb5fdd>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00217-i... |
Matches for:
Contemporary Mathematics
2012; 202 pp; softcover
Volume: 569
ISBN-10: 0-8218-5359-7
ISBN-13: 978-0-8218-5359-7
List Price: US$74
Member Price: US$59.20
Order Code: CONM/569
This volume is a collection of papers presented at the 11th International Workshop on Real and Complex Singularities, held July 26-3... | {"url":"http://ams.org/bookstore?fn=20&arg1=conmseries&ikey=CONM-569","timestamp":"2014-04-17T02:18:40Z","content_type":null,"content_length":"15109","record_id":"<urn:uuid:33d838f1-db9f-474e-a15e-fcd5fef7f514>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00182-ip-10-147-4-33.ec2.int... |
%0 Report %D 2000 %T Finding Missing Proofs with Automated Reasoning %A B. Fitelson %A L. Wos %X
This article features long-sought proofs with intriguing properties (such as the absence of double negation and the avoidance of lemmas that appeared to be indispensable), and it features the
automated methods for finding t... | {"url":"http://www.anl.gov/publications/export/tagged/4918","timestamp":"2014-04-21T08:15:31Z","content_type":null,"content_length":"2606","record_id":"<urn:uuid:e1b69526-e075-4312-8aac-191b1bd74a54>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00548-ip-10-147-4-33.ec2.internal.warc... |
the encyclopedic entry of Gravity set
The Mitchell-Green gravity set (MGGS) is a fractal set that was created by Fred Mitchell and Chris Green in 1992.
The gravity set is a set of points in the plane. Like the Mandelbrot set, the gravity set is defined as follows: a certain mapping f from the plane into itself is consi... | {"url":"http://www.reference.com/browse/Gravity+set","timestamp":"2014-04-18T02:59:54Z","content_type":null,"content_length":"87529","record_id":"<urn:uuid:5d46a438-4fb7-4fc0-befa-a83f734784d0>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00241-ip-10-147-4-33.ec2.internal.warc.gz"} |
Results 1 - 10 of 18
- SIAM Journal on Computing , 1995
"... Acyclic digraphs, such as the covering digraphs of ordered sets, are usually drawn upward, i.e., with the edges monotonically increasing in the vertical direction. A digraph is upward planar if
it admits an upward planar drawing. In this survey paper, we over... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=126345","timestamp":"2014-04-20T10:27:39Z","content_type":null,"content_length":"37012","record_id":"<urn:uuid:79c46874-a501-481a-a75e-7f3c27c2b1c1>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00110-ip-10-147-4-33.ec2.internal.warc... |
Implementation of interior point methods for large scale linear programming
Results 1 - 10 of 55
- Optimization Methods and Software , 1996
"... In this paper, we describe our implementation of a primal-dual infeasible-interior-point algorithm for large-scale linear programming under the MATLAB 1 environment. The resul... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=468179","timestamp":"2014-04-18T19:34:44Z","content_type":null,"content_length":"38422","record_id":"<urn:uuid:e33dca2b-c3c3-40f1-9418-fd232af099f8>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00068-ip-10-147-4-33.ec2.internal.warc... |
Simple circuit measures RMS value of AC power line | EE Times
Design How-To
Simple circuit measures RMS value of AC power line
The root-mean-square value of an AC signal compares the heating value of an unknown AC signal to that of a known DC signal across identical loads, and is equal to the amount of DC required to p... | {"url":"http://www.eetimes.com/document.asp?doc_id=1280109","timestamp":"2014-04-16T19:27:20Z","content_type":null,"content_length":"136521","record_id":"<urn:uuid:7b4d9de9-9cc2-4dd7-8563-f87498253ada>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00460-ip-10-147-4-33.ec2.internal.war... |
Conic Sections and Parallel Lines
Date: 18 Mar 1995 18:35:01 -0500
From: Ryan M. Howley
Subject: Conic Sections
My Algebra II class is just about to finish up conic sections,
and we started talking about degenerate cases. Our teacher
told us there was a way to cut a cone with a plane to get
parallel lines. Another te... | {"url":"http://mathforum.org/library/drmath/view/54756.html","timestamp":"2014-04-20T01:31:32Z","content_type":null,"content_length":"13099","record_id":"<urn:uuid:ba7f070c-eaee-4c7d-ae05-f7f1f299e73d>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00222-ip-10-147-4-33.ec2.internal.war... |
Better Economics and Unified Phase Theory
1836 15.6175392619 log(1/2+sqrt(5)/2)
377 14.6307168455 log(3/2)
If I have the theory right, then then light should sample the mass of the proton at the same rate as mass samples the space impedance.
They are off by one wave number, mainly because there are adjacent mass quants... | {"url":"http://bettereconomics.blogspot.com/","timestamp":"2014-04-21T12:08:11Z","content_type":null,"content_length":"135141","record_id":"<urn:uuid:4009f38e-9692-4571-8ed9-b9a990851320>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00183-ip-10-147-4-33.ec2.internal.warc.gz"} |
Test on 4/14. Geometry. Picture included Please help ASAP please
April 13th 2006, 04:49 PM
Test on 4/14. Geometry. Picture included Please help ASAP please
The ones I know are know are correct but no well understood:
a) 1:1 because both triangles have the same base? So 16:16 = 1:1 right?
b) same method as ^... | {"url":"http://mathhelpforum.com/geometry/2566-test-4-14-geometry-picture-included-please-help-asap-please-print.html","timestamp":"2014-04-20T08:00:08Z","content_type":null,"content_length":"8829","record_id":"<urn:uuid:4edf0a80-43e6-4cf3-8dfc-7a014fdffd8b>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC... |
Better Economics and Unified Phase Theory
1836 15.6175392619 log(1/2+sqrt(5)/2)
377 14.6307168455 log(3/2)
If I have the theory right, then then light should sample the mass of the proton at the same rate as mass samples the space impedance.
They are off by one wave number, mainly because there are adjacent mass quants... | {"url":"http://bettereconomics.blogspot.com/","timestamp":"2014-04-21T12:08:11Z","content_type":null,"content_length":"135141","record_id":"<urn:uuid:4009f38e-9692-4571-8ed9-b9a990851320>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00183-ip-10-147-4-33.ec2.internal.warc.gz"} |
Nitrogen Exposure Limits and Equivalent Air Depth (EAD)
Nitrogen exposures are omnipresent in diving, and must be carefully monitored for every dive. These exposures are related to the risk of DCS (Decompression Sickness). In order to properly manage this
risk, appropriate exposure limits have been identified for air w... | {"url":"http://www.tdisdi.com/nitrogen-exposure-limits-and-equivalent-air-depth-ead/","timestamp":"2014-04-20T03:11:56Z","content_type":null,"content_length":"36333","record_id":"<urn:uuid:98983b2e-ea42-404d-b61a-391b6d521c20>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00276-ip-10... |
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Here's the question you clicked on:
Has anyone finished Problem set 12? I've just Finished and i w... | {"url":"http://openstudy.com/updates/4e2477bf0b8b3d38d3b728ea","timestamp":"2014-04-17T09:54:52Z","content_type":null,"content_length":"38088","record_id":"<urn:uuid:0f0b03cb-22a6-4b52-9d33-778914f7b1dd>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00610-ip-10-147-4-33.ec2.internal.... |
Hi !
Yes, generally most mathematicians tend to agree that complex numbers cannot be compared by
"greater than" or "less than" relations (at least not in a useful, meaningful manner). But such
a relation can, I believe be defined, though perhaps not in terribly useful manner.
Here's a shot at it. I'll use Q for "theta"... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=236623","timestamp":"2014-04-19T02:04:56Z","content_type":null,"content_length":"16889","record_id":"<urn:uuid:94ed888b-3e47-4102-9065-2e37cd480d39>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00567-ip-10-147-4-33.ec2.internal.... |
Null Sets and uniform convergence
May 15th 2010, 01:13 PM #1
Dec 2009
Null Sets and uniform convergence
Prove that if a sequence of continous functions uniformly converges on [a,b] then the union of their graphs is a null set.
In other words:
Prove that if the sequence $f_n:[a,b] \to R$ converges unifor... | {"url":"http://mathhelpforum.com/calculus/144869-null-sets-uniform-convergence.html","timestamp":"2014-04-16T18:05:56Z","content_type":null,"content_length":"39316","record_id":"<urn:uuid:70705763-924a-4f15-af2b-5435efcd5b6c>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00018-ip-10-... |
and Easy Distributions for SAT Problems
Results 1 - 10 of 231
- IN ECAI-92 , 1992
"... We develop a formal model of planning based on satisfiability rather than deduction. The satis ability approach not only provides a more flexible framework for stating di erent kinds of
constraints on plans, but also more accurately ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=65473","timestamp":"2014-04-18T14:13:41Z","content_type":null,"content_length":"38586","record_id":"<urn:uuid:989fd986-5cb2-4fdb-b303-d3acb82fac34>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00418-ip-10-147-4-33.ec2.internal.warc... |
Rotating a vector
Rotating a vector
how can I rotate a 3D vector along an arbitrary plane?
for example... I have a vector that points straight up the wall, and one that points to the right along the wall, and I want to rotate it to the left, so that its pointing diagonally across the
The wall isn't necessar... | {"url":"http://cboard.cprogramming.com/game-programming/60332-rotating-vector-printable-thread.html","timestamp":"2014-04-21T01:01:12Z","content_type":null,"content_length":"26405","record_id":"<urn:uuid:0e529db0-e13d-4faa-86e2-a0c10f655ddd>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005... |
Most Published Research Findings Are False—But a Little Replication Goes a Long Way
Citation: Moonesinghe R, Khoury MJ, Janssens ACJW (2007) Most Published Research Findings Are False—But a Little Replication Goes a Long Way. PLoS Med 4(2): e28. doi:10.1371/journal.pmed.0040028
Published: February 27, 2007
This is an o... | {"url":"http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.0040028","timestamp":"2014-04-18T08:12:34Z","content_type":null,"content_length":"71964","record_id":"<urn:uuid:a5c728dc-057f-417e-82a6-46844b28e832>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00624-ip-10-14... |
Randomness as a Resource
Randomness as a Resource
The Empyrean and the Empirical
As a practical matter, reserves of randomness certainly appear adequate to meet current needs. Consumers of randomness need not fear rolling blackouts this summer. But what of the future? The great
beacon of randomness proposed by Rabin an... | {"url":"http://www.americanscientist.org/issues/pub/randomness-as-a-resource/4","timestamp":"2014-04-20T08:14:54Z","content_type":null,"content_length":"124937","record_id":"<urn:uuid:99171192-0639-4c7b-9f3e-b3b8e870f9b9>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00557-ip-10-147-4... |
Finding a point of intersection between circles
April 13th 2010, 01:29 PM #1
Apr 2010
Finding a point of intersection between circles
My teacher has us going through these A level problems, but I am just so lost with this one. She said there may be a pop quiz tomorrow with similar questions, so i'd really like ... | {"url":"http://mathhelpforum.com/algebra/138998-finding-point-intersection-between-circles.html","timestamp":"2014-04-16T06:51:18Z","content_type":null,"content_length":"35781","record_id":"<urn:uuid:21980114-ee95-42ab-9252-285f6188179c>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-... |
Annapolis Junction Statistics Tutor
Find an Annapolis Junction Statistics Tutor
...In Mathematics, my tutoring experience includes: - Arithmetic - Pre-algebra - Algebra I & II - Plane & Analytic Geometry - Trigonometry - Probability & Statistics - Number Theory - Calculus -
Differential Equations -- Ordinary and Pa... | {"url":"http://www.purplemath.com/annapolis_junction_md_statistics_tutors.php","timestamp":"2014-04-17T10:59:31Z","content_type":null,"content_length":"24578","record_id":"<urn:uuid:5102063a-a093-4067-ab22-a43eb12d9034>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00190-ip-10-147-4-... |
A and C Weighting (ANSI® S1.42 standard)
You can design A and C weighting filters that follow the ANSI S1.42 [1] and IEC 61672-1 [2] standards. An A-weighting filter is a band pass filter designed to simulate the loudness of low-level
tones. An A-weighting filter progressively de-emphasizes frequencies below 500 Hz. A ... | {"url":"http://www.mathworks.se/help/dsp/examples/audio-weighting-filters.html?nocookie=true","timestamp":"2014-04-24T00:20:51Z","content_type":null,"content_length":"40729","record_id":"<urn:uuid:1fe59880-e35f-4ea8-b7c1-1d72f9be70bf>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-0045... |
What rectangles have the same area that equal the same perimeter?
In computational geometry, the largest empty rectangle problem, maximal empty rectangle problem or maximum empty rectangle problem, is the problem of finding a rectangle of maximal size to be placed
among obstacles in the plane. There are a number of var... | {"url":"http://answerparty.com/question/answer/what-rectangles-have-the-same-area-that-equal-the-same-perimeter","timestamp":"2014-04-18T05:30:53Z","content_type":null,"content_length":"22863","record_id":"<urn:uuid:8a07800d-ba22-4576-9c8e-bae622676917>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN... |
220 degrees celcius is how many degrees fahrenheit
You asked:
220 degrees celcius is how many degrees fahrenheit
Say hello to Evi
Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more. Over the next few m... | {"url":"http://www.evi.com/q/220_degrees_celcius_is_how_many_degrees_fahrenheit","timestamp":"2014-04-20T16:09:53Z","content_type":null,"content_length":"55835","record_id":"<urn:uuid:6b26341b-4bb4-42b8-81b7-6237936f64db>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00620-ip-10-147-... |
A metric space is paracompact
Today, I shall use the theorem of Michael discussed earlier to prove that a metric space is paracompact.
Theorem 1 (Stone) A metric space is paracompact.
This theorem seems to use the axiom of choice, or some version thereof, in all proofs.
1. Proof of Stone’s theorem
Suppose given a c... | {"url":"http://amathew.wordpress.com/2010/08/19/a-metric-space-is-paracompact/","timestamp":"2014-04-16T19:18:01Z","content_type":null,"content_length":"60114","record_id":"<urn:uuid:583e4cb5-a0fc-4f4e-863f-a937c2ef22d5>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00514-ip-10-147-4... |
Series proof.
September 13th 2009, 06:15 PM #1
Mar 2008
Acolman, Mexico
Sum proof.
Hello, I am stuck with the following problem.
Verify the following identity for $n \geq 2$.
$\sum_{k=0}^{n}(-1)^{k}{n \choose k}=0$
I tried an induction proof, but I couldn't get it right. Do I need to consider wh... | {"url":"http://mathhelpforum.com/advanced-statistics/102148-series-proof.html","timestamp":"2014-04-17T14:42:58Z","content_type":null,"content_length":"40058","record_id":"<urn:uuid:23c4bd7b-3afb-423b-bcaa-bfdfbb979c31>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00118-ip-10-147-4-... |
correct solution for y''-(x^2)y=0
August 9th 2012, 06:08 PM #1
Aug 2012
South Korea
correct solution for y''-(x^2)y=0
y''-x^2y=0, (y''=d^2y/dx^2)
when try to find solution, usually assuming solution form is y=e^lambda X, and lambda =x, -x, then general solution is y=c[1]e^x^2 + c[2]e^-x^2. however, I wa... | {"url":"http://mathhelpforum.com/calculus/201952-correct-solution-y-x-2-y-0-a.html","timestamp":"2014-04-20T00:41:20Z","content_type":null,"content_length":"43439","record_id":"<urn:uuid:192f1700-b015-418a-935e-f15d3fb8a229>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00132-ip-10-14... |
High Sensitivity midranges?
12-25-2005 #1
High Sensitivity midranges?
I'm looking for a midrange to bridge the bap between a CD1pro mini body and a Koda 8. The CD1's sensitivity is rated at 101 dB and the Kodas is rated at 86db, both at 1W,1m. Although, the nominal
impedence of the horns is 8 ohmns and the Koda... | {"url":"http://www.caraudio.com/forums/speakers/132746-high-sensitivity-midranges.html","timestamp":"2014-04-19T21:36:08Z","content_type":null,"content_length":"99246","record_id":"<urn:uuid:f08b66f5-b889-4010-a515-0b7b69c6a62f>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00552-ip-... |
[Numpy-discussion] Concatenating string arrays
Thomas Robitaille thomas.robitaille@gmail....
Wed Mar 18 13:30:19 CDT 2009
I am trying to find an efficient way to concatenate the elements of
two same-length numpy str arrays. For example if I define the
following arrays:
import numpy as np
arr1 = np.array(['a','b','c'])
... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2009-March/041233.html","timestamp":"2014-04-17T18:46:56Z","content_type":null,"content_length":"2980","record_id":"<urn:uuid:9eb6ebf9-07e7-4f00-82f9-0c1319371094>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00042-ip-10-147-4... |
the first resource for mathematics
Preconditioned all-at-once methods for large, sparse parameter estimation problems.
(English) Zbl 0995.65110
The inverse problem about recovering a parameter function by measurements of solutions of the system partial differential equations is considered. A typical formulation of this... | {"url":"http://zbmath.org/?q=an:0995.65110","timestamp":"2014-04-19T07:04:40Z","content_type":null,"content_length":"23016","record_id":"<urn:uuid:11a8f339-7799-4df7-bcf5-d739c830c3bf>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00378-ip-10-147-4-33.ec2.internal.warc.gz"} |
Redford Twp, MI
West Bloomfield, MI 48322
Master Certified Coach for Exam Prep, Mathematics, & Physics
...tudents and Parents, It is a pleasure to make your acquaintance, and I am elated that you have found interest in my profile. I am the recipient of a Master of Science:
and Master of Arts: Applied Mathematics with a... | {"url":"http://www.wyzant.com/Redford_Twp_MI_Physics_tutors.aspx","timestamp":"2014-04-18T19:47:57Z","content_type":null,"content_length":"61493","record_id":"<urn:uuid:972a4bca-b036-4923-8cae-66ad86adec00>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00458-ip-10-147-4-33.ec2.interna... |
ith Math.NET Numerics
Likely the most requested feature for Math.NET Numerics is support for some form of regression, or fitting data to a curve. I’ll show in this article how you can easily compute regressions manually
using Math.NET, until we support it out of the box. We already have broad interpolation support, but... | {"url":"http://christoph.ruegg.name/blog/linear-regression-mathnet-numerics.html","timestamp":"2014-04-19T14:51:34Z","content_type":null,"content_length":"22837","record_id":"<urn:uuid:d51ebc67-2892-4053-9e50-2be86f131600>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00581-ip-10-147-... |
Homework Help
Recent Homework Questions About Physics
Post a New Question | Current Questions
A 5 kg block is placed on top of a 10 kg block as shown above. A horizontal force of 45 N is applied to the 10 kg block, while the 5 kg block is tied to the wall. The coefficient of kinetic friction
between the moving surfaces... | {"url":"http://www.jiskha.com/science/physics/?page=22","timestamp":"2014-04-16T14:21:38Z","content_type":null,"content_length":"37416","record_id":"<urn:uuid:f7af3c1e-481b-495f-ab57-6bf7a1833c74>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00446-ip-10-147-4-33.ec2.internal.warc.gz... |
Infinite linear span vs closed linear span
up vote 0 down vote favorite
Suppose we have a (real, separable) Banach space $V$ and a (linear) set $A\subseteq V$. I presume in general it might not be possible to write every element of the closed span of $A$ as an infinite
linear combination $\sum_{i=1}^\infty\beta_i a_i$ ... | {"url":"http://mathoverflow.net/questions/104672/infinite-linear-span-vs-closed-linear-span","timestamp":"2014-04-19T02:23:11Z","content_type":null,"content_length":"54164","record_id":"<urn:uuid:280c9bfb-bf17-4ef2-a02c-812a7c1aa55f>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00545... |
Fairfax, CA Algebra Tutor
Find a Fairfax, CA Algebra Tutor
...No homework will be assigned. Struggling students will improve their grades. Students who are currently “making the grade” will be more confident regarding their abilities and will be fully
prepared for “honors” level instruction.
13 Subjects: includin... | {"url":"http://www.purplemath.com/Fairfax_CA_Algebra_tutors.php","timestamp":"2014-04-21T15:19:11Z","content_type":null,"content_length":"23752","record_id":"<urn:uuid:9828706f-b0fa-4f8f-bf9f-b3412c969b44>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00409-ip-10-147-4-33.ec2.interna... |
Melting Pot Math
IRELAND: FAIRIES AND LEPRECHAUNS
Fairies and leprechauns, or little people, play major roles in Irish folk tales. Fairies were said to dwell in mounds of earth and it was commonly believed that touching one of these brou... | {"url":"http://sln.fi.edu/school/math3/fairies.html","timestamp":"2014-04-18T13:06:49Z","content_type":null,"content_length":"8670","record_id":"<urn:uuid:264013bd-ec1e-4158-b146-7d3e721baf75>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00371-ip-10-147-4-33.ec2.internal.warc.gz"} |
Pivoting Without Aggregation
The PIVOT operator is a useful tool. It lets you aggregate and rotate data so that you can create meaningful tables that are easy to read. However, there are times when you might not want to
aggregate data while pivoting a table.
Related: Pivoting Data and Create Pivoted Tables in 3 Steps
... | {"url":"http://sqlmag.com/print/t-sql/pivoting-without-aggregation","timestamp":"2014-04-18T04:07:18Z","content_type":null,"content_length":"19686","record_id":"<urn:uuid:572fda52-ce88-4cdc-99dc-421ec78360a3>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00354-ip-10-147-4-33.ec2.inte... |
Douglasville Geometry Tutor
Find a Douglasville Geometry Tutor
...I maintain a blog where I contribute on a weekly basis. I consider myself a grammar snob and have always scored highest on the English part of standardized tests...go figure. Additionally, as
part of my work, I develop course content and training mod... | {"url":"http://www.purplemath.com/douglasville_geometry_tutors.php","timestamp":"2014-04-20T16:21:38Z","content_type":null,"content_length":"24038","record_id":"<urn:uuid:62b856e9-a526-4d5f-9d5b-cb728fa7eb20>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00606-ip-10-147-4-33.ec2.inter... |
8 Data Analysis Techniques
Chapter Four, Appendix One – Analysis Techniques
For those interested, earlier webpages lay out how Dr. Lott put together a well-reasoned research design and compiled a comprehensive database of relevant information. T... | {"url":"http://patriotpawnandgun.com/wp/ifr3-research/8-research-analysis-techniques/","timestamp":"2014-04-21T13:37:51Z","content_type":null,"content_length":"37886","record_id":"<urn:uuid:3a9cf0b0-bd2a-4a26-b39a-6623b06ab0b4>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00074-ip-1... |
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Pleasee help x.x 1. Solve the system by elimination- -2x+2y+3z... | {"url":"http://openstudy.com/updates/508c7a2ae4b04456f6c44b7c","timestamp":"2014-04-18T08:04:37Z","content_type":null,"content_length":"74473","record_id":"<urn:uuid:1b9c5554-d10c-464e-a056-f4f76c41c037>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00427-ip-10-147-4-33.ec2.internal.... |
[SciPy-user] stopping criterion for integrate.odeint?
Ryan Gutenkunst rng7 at cornell.edu
Wed Mar 23 18:22:09 CST 2005
Hans Fangohr wrote:
> Dear all,
> we have been using odeint in a number of situations and it works
> great. Now we'd like to interrupt the integration of the set of ODEs
> once a conditions is fulfille... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2005-March/004248.html","timestamp":"2014-04-19T07:04:55Z","content_type":null,"content_length":"6742","record_id":"<urn:uuid:5fa69053-5ef8-4735-91a5-036d355060af>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00217-ip-10-147-4-33.ec... |
Valid combinations of a 3 letter alphabet
March 13th 2010, 09:47 AM
Valid combinations of a 3 letter alphabet
Hi there,
I was hoping one could tell me how to calculate the following problem in the generic form.
3 possible values A,B,C.
where the following constraint states that, "A" must always exist in... | {"url":"http://mathhelpforum.com/discrete-math/133617-valid-combinations-3-letter-alphabet-print.html","timestamp":"2014-04-21T06:18:45Z","content_type":null,"content_length":"15653","record_id":"<urn:uuid:e4d78445-461a-438b-a168-df9fadd6637a>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-201404160... |
Bean plots in SPSS
It seems like I have come across alot of posts recently about visualizing univariate distributions. Besides my own recent blog post about comparing distributions of unequal size in SPSS, here are a
few other blog posts I have recently come across;
Such a variety of references is not surprising though... | {"url":"https://andrewpwheeler.wordpress.com/2012/05/20/bean-plots-in-spss/","timestamp":"2014-04-16T15:58:40Z","content_type":null,"content_length":"78821","record_id":"<urn:uuid:3a18057a-6468-4359-aabe-15e9f3f74bfb>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00639-ip-10-147-4-33... |
Lesson: Lesson 3 Interpreting Graphs and Tables
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Lesson Objective
SWBAT interpret graphs and tables
Lesson Plan
Begin the lesson with students matching Graphs A-E with Statements 1-5. Facilitate a discussion with students about why the matched each graph which each statement and their r... | {"url":"http://betterlesson.com/lesson/368590/lesson-3-interpreting-graphs-and-tables","timestamp":"2014-04-21T09:38:35Z","content_type":null,"content_length":"44953","record_id":"<urn:uuid:b2d4bb8e-04d0-413d-bf16-746381a8eb06>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00662-ip-1... |
Extent Expand Buffer Distance
Extent Expand Buffer Distance ST_DWithin
In this quick exercise, we will explore the following PostGIS OGC functions: Extent, Expand, Buffer, Distance
Extent is an aggregate function - meaning that it is used just as you would use SQL sum, average, min, and max often times in conjunction w... | {"url":"http://www.bostongis.com/postgis_extent_expand_buffer_distance.snippet","timestamp":"2014-04-19T06:51:58Z","content_type":null,"content_length":"26368","record_id":"<urn:uuid:78b77aff-1ec9-45b6-a545-86944c4d4267>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00021-ip-10-147-4... |
OpenMx - Advanced Structural Equation Modeling
Greetings all,
Now finally getting Mx to work on my Mac, I'm having a good time putting it through its paces. So, I have a simple model I'm playing with
probsolv -> grades -> irtsci
Below is the syntax and output. It's reading the number of obs correctly and the estimates ... | {"url":"http://openmx.psyc.virginia.edu/thread/430","timestamp":"2014-04-21T12:55:44Z","content_type":null,"content_length":"41789","record_id":"<urn:uuid:8f833c6b-5485-41aa-afe8-d56be84d6fbd>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00589-ip-10-147-4-33.ec2.internal.warc.gz"} |
how to read a digit of a floating point number?????
how to read a digit of a floating point number?????
how do we read a particular digit/digits of a floating point number???
ive jus started out with C....hardly know anything and i was presented with this problem....
im supposed to write a program which acc... | {"url":"http://cboard.cprogramming.com/c-programming/91737-how-read-digit-floating-point-number-printable-thread.html","timestamp":"2014-04-17T13:13:14Z","content_type":null,"content_length":"22655","record_id":"<urn:uuid:7927cef0-dc77-4c7e-8f26-0825165f1dd5>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/C... |
East Bremerton, WA SAT Math Tutor
Find an East Bremerton, WA SAT Math Tutor
...It's not quite as savvy as something like PageMaker, but it works for many types of page layout designs. I could teach someone how to work with it and what its limitations are. Fitness is the
root of my active lifestyle.
39 Subjects: i... | {"url":"http://www.purplemath.com/east_bremerton_wa_sat_math_tutors.php","timestamp":"2014-04-17T11:19:40Z","content_type":null,"content_length":"24400","record_id":"<urn:uuid:08993cd5-aad7-47a9-a0b0-5fd0b52c1eaf>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00211-ip-10-147-4-33.ec2.... |
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1ucasvb's lab
42906053623 http://1ucasvb.tumblr.com/post/42906053623/in-a-previous-post-i-showed-how-to-geometrically 963 In a previous post, I showed how to geometrically...
In a previous post, I showed how to geometrically construct a sine-like function for a regular polygon.
I also pointed out how the shape of the f... | {"url":"http://1ucasvb.tumblr.com/post/42906053623/in-a-previous-post-i-showed-how-to-geometrically","timestamp":"2014-04-18T13:29:29Z","content_type":null,"content_length":"64290","record_id":"<urn:uuid:1f6cb695-5c50-47ef-ae65-c1e741461971>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-201404230320... |
The refined Eisenstein conjecture
I have computed the torsion subgroup and component group of hundreds of optimal quotients at prime level. In every example, the same pattern emerges: the torsion subgroup is generated by the image of
0-oo and has the same order as the component group; furthermore, the product of the or... | {"url":"http://modular.math.washington.edu/Tables/Notes/refinedeisen.html","timestamp":"2014-04-16T04:46:09Z","content_type":null,"content_length":"1411","record_id":"<urn:uuid:878e05d8-49b2-40f2-990d-f2dfd24f050f>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00542-ip-10-147-4-33.ec... |
General Relativity
HPS 0410 Einstein for Everyone Spring 2010
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Assignment 9: General Relativity
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1.The effect of geodesic deviation can be used to detect curvature in spacetime.
(a) The simplest case is the gravitation free Minkowski spacetime. Consider four objects arranged at eq... | {"url":"http://www.pitt.edu/~jdnorton/teaching/HPS_0410/2010_Spring/assignments/09_general_relativity/index.html","timestamp":"2014-04-18T03:12:15Z","content_type":null,"content_length":"7547","record_id":"<urn:uuid:c032b1c8-3ecf-47cd-82ae-ad81777d7039>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN... |
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Characteristic and Mantissa of a Logarithm
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03-06-2011, 11:49 PM
Join Date: Jan 2011
Posts: 10
The Puzzles package contains a collection of 27 small one-player puzzle games, which were initially developed by Simon Ta... | {"url":"http://anythingbutipod.com/forum/showthread.php?p=542110","timestamp":"2014-04-17T04:15:47Z","content_type":null,"content_length":"78659","record_id":"<urn:uuid:4c748ed0-2563-48b9-b4a7-737412821d87>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00256-ip-10-147-4-33.ec2.interna... |
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Math 405/607E
Math 405/607E (Numerical Methods for Differential Equations), Fall 2011
Note: PDF files may be read with Acrobat Reader, which is available for free from Adobe.
• Class: Mon Wed Fri 13:00-13:50 in Math 203
• Instructor
□ Lisa Gordeliy
□ gordeliy(at)math(dot)ubc(dot)ca
• Office hours: in... | {"url":"http://www.math.ubc.ca/~gordeliy/m405607E.html","timestamp":"2014-04-18T15:41:21Z","content_type":null,"content_length":"7998","record_id":"<urn:uuid:2be3c5a8-2da5-4087-b3d8-10369934ae74>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00194-ip-10-147-4-33.ec2.internal.warc.gz"... |
[FOM] Infinity and the "Noble Lie"
joeshipman@aol.com joeshipman at aol.com
Wed Dec 14 13:15:14 EST 2005
>Still it
>is not clear to me that the Eda proof does not use notions of
>infinity. Specifically, can the PNT be proven in second-order
>arithmetic minus the Successor Axiom? (The Successor Axiom, by
>saying that... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2005-December/009465.html","timestamp":"2014-04-21T10:53:42Z","content_type":null,"content_length":"5364","record_id":"<urn:uuid:91322372-30bd-4129-a6e7-202c39c097b2>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00125-ip-10-147-4-33.ec2.in... |
Rahns, PA
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A Chirp Signal Is A Sinusoid Whose Frequency Changes ... | Chegg.com
answer the following questions and give the matlab codes please
Image text transcribed for accessibility: A chirp signal is a sinusoid whose frequency changes linearly from a starting value to an ending one. The formula for such a signal can be define... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/chirp-signal-sinusoid-whose-frequency-changes-linearly-starting-value-ending-one-formula-s-q3934773","timestamp":"2014-04-17T14:27:02Z","content_type":null,"content_length":"21425","record_id":"<urn:uuid:a215d5f8-23a3-49fe-b5c0-0ec09a8f30b7>","cc-path":"C... |
Isolines are often used on maps to represent points of equal value. This is a list of some common (as well as obscure) types of isolines. The prefix "iso-" means "equal."
A line representing points of equal atmospheric pressure
A line representing points of equal depth under water
A line representing depths... | {"url":"http://geography.about.com/library/misc/blisoline.htm","timestamp":"2014-04-18T20:59:36Z","content_type":null,"content_length":"36409","record_id":"<urn:uuid:69baa252-c3a2-4ccc-98ac-da1982c142dd>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00253-ip-10-147-4-33.ec2.internal.... |
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Gary, IN Science Tutor
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I have a deep love of History and Geography and the degrees show that. They are not just a series of disconnected facts and places, but need to be viewed as places and times. When a student can
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fourier transform of sin(3w)*cos(w)/(w^2)
June 29th 2011, 11:50 AM #1
Junior Member
Jun 2010
fourier transform of sin(3w)*cos(w)/(w^2)
Can someone tell me how to calculate the inverse fourier transform of sin(3w)*cos(w)/(w^2)
I know that 2sin(aw)/w has an inverse fourier transform that is 1 when -a<t<a and ... | {"url":"http://mathhelpforum.com/calculus/183823-fourier-transform-sin-3w-cos-w-w-2-a.html","timestamp":"2014-04-21T13:26:48Z","content_type":null,"content_length":"49027","record_id":"<urn:uuid:86b9c8eb-93d2-4fee-9b28-d0a546b874f0>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00515... |
st: graphing results
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st: graphing results
From Matthijs De Zwaan <m.dezwaan@gmail.com>
To statalist@hsphsun2.harvard.edu
Subject st: graphing results
Date Wed, 9 Sep 2009 12:34:10 +0200
Dear Stata-listers,
I am trying to graph the res... | {"url":"http://www.stata.com/statalist/archive/2009-09/msg00381.html","timestamp":"2014-04-16T13:41:23Z","content_type":null,"content_length":"6397","record_id":"<urn:uuid:34f7bd2d-324f-4e84-97cc-775aade5cdaa>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00246-ip-10-147-4-33.ec2.inte... |
digitalmars.D - Array alignment - fundamental problem/strangeness
Hi there,
trying to write up my proposal for multidimensional array references, I
stumbled over a peculiar strangeness in the current syntax of arrays.
const int A = 2;
const int B = 3;
alias mytype[A][B] M1;
alias mytype[... | {"url":"http://www.digitalmars.com/d/archives/digitalmars/D/565.html","timestamp":"2014-04-18T18:37:33Z","content_type":null,"content_length":"10962","record_id":"<urn:uuid:0b9c9a90-cb34-4437-b153-fda2db4fcf27>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00382-ip-10-147-4-33.ec2.int... |
FUN with Matlab
February 21st 2009, 05:53 PM #1
Senior Member
Jan 2009
FUN with Matlab
I need a Matlab function that finds the last place in a line where a double character appears (that is, where the same character appears twice in a row)
So if the function is called locateDouble, locateDouble('adcdccd') s... | {"url":"http://mathhelpforum.com/math-software/74932-fun-matlab.html","timestamp":"2014-04-16T20:06:35Z","content_type":null,"content_length":"33032","record_id":"<urn:uuid:d26937a4-334d-4857-9485-30c4fae6afd5>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00004-ip-10-147-4-33.ec2.in... |
Thomas Young's double‐slit experiment shows that light spreads out in wavefronts that can interfere with each other.
is the effect of a wave spreading as it passes through an opening or goes around an object. The diffraction of sound is quite obvious. It is not at all remarkable to hear sound through an open door
or ev... | {"url":"http://www.cliffsnotes.com/sciences/physics/light/diffraction","timestamp":"2014-04-18T17:40:22Z","content_type":null,"content_length":"112008","record_id":"<urn:uuid:a8cb5ad9-3aa1-4339-8b24-af5cc38841fc>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00472-ip-10-147-4-33.ec2.... |
Physics Forums - View Single Post - Question on characterization of elliptical polarization of EM wave.
I am using "Advanced Engineering Electromagnetics" 2nd edition by Balanis AND "Antenna Theory" 3rd edition also by Balanis. I found an inconsistency in how to characterize RHC (CW) and LHC ( CCW)
elliptical polariza... | {"url":"http://www.physicsforums.com/showpost.php?p=4248897&postcount=1","timestamp":"2014-04-25T08:19:14Z","content_type":null,"content_length":"10014","record_id":"<urn:uuid:d0a024f6-21a9-4e25-ab77-a638833b60f5>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00071-ip-10-147-4-33.ec2... |
Ratio and Root Test
March 23rd 2009, 04:57 PM #1
Junior Member
Feb 2009
Ratio and Root Test
How would you work out if these series converge or diverge?
Problem 1
n=1 to infinity n!/10^n
Problem 2
n=1 to infinity ((n-2)/n)^n
Problem 3
n=1 to infinity (-2)^n/3^n
What exactly are you ha... | {"url":"http://mathhelpforum.com/calculus/80248-ratio-root-test.html","timestamp":"2014-04-16T14:17:19Z","content_type":null,"content_length":"39003","record_id":"<urn:uuid:83d09ac0-4788-445c-aea5-b23a0e82b79b>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00573-ip-10-147-4-33.ec2.in... |
Free cool animated math videos, practice questions and more
August 7th 2008, 05:47 AM #1
Aug 2008
Free cool animated math videos, practice questions and more
This site is cool... it has free math lessons. The videos are created using computer graphics. Each lesson comes with practice questions with step-by-step... | {"url":"http://mathhelpforum.com/math/45492-free-cool-animated-math-videos-practice-questions-more.html","timestamp":"2014-04-18T12:36:20Z","content_type":null,"content_length":"28863","record_id":"<urn:uuid:d330d7e4-eb12-406d-bdb7-c63ff8ff514a>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-2014041... |
Nautical mile
Nautical mile: distance of one minute of longitude at the equator, approximately 6,076.115 feet. The metric equivalent is 1852 meters.
Navsac: navigation safety advisory council, an industry advisory body to the u.s. coast guard.
NAUTICAL MILE: One minute of latitude; approximately 6076 feet or 1852 metre... | {"url":"http://en.mimi.hu/boating/nautical_mile.html","timestamp":"2014-04-18T11:06:47Z","content_type":null,"content_length":"32398","record_id":"<urn:uuid:69f14c62-66fa-458e-8c72-01e9f24cfe9a>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00537-ip-10-147-4-33.ec2.internal.warc.gz"} |
76 (dB)
Making noise! Decibels (or dBs) are how sounds are measured usually on a range from 0 dBs to 120 dBs. A whisper would be about 30 dBs. 75 -80 dBs would be the sound that an air conditioner or vacuum
cleaner would make. A subway train would be about 100 dBs. Exposure to sound levels above 140 dBs like a gun b... | {"url":"http://blog.powersof10.com/?p=2785","timestamp":"2014-04-16T16:00:28Z","content_type":null,"content_length":"27937","record_id":"<urn:uuid:2d3b06d5-f883-4a8a-a800-a4604f4db93a>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00073-ip-10-147-4-33.ec2.internal.warc.gz"} |
Did You Ever Wonder? Scientist profile: David Bailey
An alchemical algorithm
In 1977, Helaman Ferguson and Rodney Forcade made the biggest advance in integer-relation detection since Euclid, whose method for finding the greatest common divisor of two numbers dates to about
300 BCE. For over 2,000 years mathematicians a... | {"url":"http://www.lbl.gov/wonder/bailey-2.html","timestamp":"2014-04-20T18:28:53Z","content_type":null,"content_length":"5121","record_id":"<urn:uuid:b21c1bcb-4312-4ac3-afa8-f9b03dd76b18>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00259-ip-10-147-4-33.ec2.internal.warc.gz"} |
Brevet US7492448 - Optical method of determining a physical attribute of a moving object
The present invention relates to an optical method for determining a physical attribute of a moving object. The present invention also relates to a method for optically establishing a mathematical
spatial relationship between one o... | {"url":"http://www.google.fr/patents/US7492448","timestamp":"2014-04-18T21:28:26Z","content_type":null,"content_length":"126605","record_id":"<urn:uuid:91f1ac11-8e77-4e28-a169-3d415413d498>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00538-ip-10-147-4-33.ec2.internal.warc.gz"} |
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Automated WYWIWYG Design of Both the Topology and Component Values of Analog Electrical Circuits Using Genetic
Results 11 - 20 of 38
- Proceedings of the 1997 ACM Symposium on Applied Computing , 1997
"... circuit synthesis, operational amplifier There is no known general technique for automatically designing an analog... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1258961&sort=cite&start=10","timestamp":"2014-04-17T19:54:12Z","content_type":null,"content_length":"39453","record_id":"<urn:uuid:d69e0f49-69c1-4229-9d6f-6bfac30430ba>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00303-ip-10-147-4... |
ISBN: 9780321227362 | 0321227360
Edition: 9th
Format: Hardcover
Publisher: Addison Wesley
Pub. Date: 1/1/2009
Why Rent from Knetbooks?
Because Knetbooks knows college students. Our rental program is designed to save you time and money. Whether you need a textbook for a semester, quarter or even a summer session, we hav... | {"url":"http://www.knetbooks.com/trigonometry-9th-lial-margaret-l-hornsby/bk/9780321227362","timestamp":"2014-04-18T14:22:37Z","content_type":null,"content_length":"39558","record_id":"<urn:uuid:d7fb193e-5449-4ba9-a77e-b3a37ac77a9d>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00208... |
Edmund Taylor Whittaker
Born: 24 October 1873 in Southport, Lancashire, England
Died: 24 March 1956 in Edinburgh, Scotland
... | {"url":"http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Whittaker.html","timestamp":"2014-04-19T22:08:00Z","content_type":null,"content_length":"23785","record_id":"<urn:uuid:aae926d5-4c16-4183-a570-21286938484d>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00094-ip-10-147-4... |
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Find the next three terms of the sequence. Then write a rule f... | {"url":"http://openstudy.com/updates/50c81376e4b0b766106e2f02","timestamp":"2014-04-20T23:40:03Z","content_type":null,"content_length":"30467","record_id":"<urn:uuid:2d4ee2c5-b9b0-4783-9d12-3e03f07a7882>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00178-ip-10-147-4-33.ec2.internal.... |
Alexander Grothendieck
The European mathematician Alexander Grothendieck (in French sometimes Alexandre Grothendieck), created a very influential body of work foundational for (algebraic) geometry but also for modern
mathematics more generally. He is widely regarded as a singularly important figure of 20th century math... | {"url":"http://www.ncatlab.org/nlab/show/Alexander+Grothendieck","timestamp":"2014-04-20T05:44:28Z","content_type":null,"content_length":"20745","record_id":"<urn:uuid:05c374a7-fb33-42e3-86a3-f0538952c3f5>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00162-ip-10-147-4-33.ec2.interna... |