content stringlengths 86 994k | meta stringlengths 288 619 |
|---|---|
Logic comment in Mumford's Red Book
up vote 22 down vote favorite
In Mumford's "The red book of varieties and schemes" one of the examples (G on pg 74) is the space Spec $(\prod_{i=1}^\infty k)$, where $k$ is a field. He mentions that "Logicians assure us that we
can prove more theorems if we use these outrageous space... | {"url":"http://mathoverflow.net/questions/5159/logic-comment-in-mumfords-red-book/5206","timestamp":"2014-04-18T00:35:08Z","content_type":null,"content_length":"70277","record_id":"<urn:uuid:3bbd9a6f-4c42-4428-b2a0-7a6bff3e7d72>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00510-ip-... |
If A is singular; solution space of Ax=b
Suppose it is known that A is singular. Then the system Ax=0 has infinitely many solutions by the Invertible Matrix theorem.
I am curious about the system Ax=b, for any column vector b. In general, i.e. for all vectors b, will this system be inconsistent, or will it have infinit... | {"url":"http://www.physicsforums.com/showthread.php?p=4196813","timestamp":"2014-04-17T07:25:29Z","content_type":null,"content_length":"30877","record_id":"<urn:uuid:9bf05844-a463-4efd-b60b-46d2215cec79>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00384-ip-10-147-4-33.ec2.internal.... |
Height And Distance
Mob.9835859669 JSUNIL TUTORIAL
Punjabi colony gali no. 01
Class X Applications of Trigonometry
Height And Distance
1. A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the... | {"url":"http://cbsemathstudy.blogspot.com/2011/03/height-and-distance.html","timestamp":"2014-04-18T08:01:52Z","content_type":null,"content_length":"99563","record_id":"<urn:uuid:705da189-4505-459a-9911-9f7d033a6672>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00236-ip-10-147-4-33.... |
permutation matrix question
March 6th 2011, 11:31 AM
permutation matrix question
the question highlighted below is in two parts, really have no clue how to start it, any help would be greatly appreciated!!
a. Recall that an elementary permutation matrix is an n x n matrix which is In except that two rows of
... | {"url":"http://mathhelpforum.com/advanced-algebra/173655-permutation-matrix-question-print.html","timestamp":"2014-04-18T20:55:15Z","content_type":null,"content_length":"9585","record_id":"<urn:uuid:844cfdc5-4df9-455d-92f5-1ea9c0c55e06>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00... |
GISS July temp up 0.09°C.
The NASA GISS surface temp average anomaly for July is
- up 0.09°C, from 0.51°C to 0.60°C. Updated plot
. The TempLS calc
a 0.003°C rise.
So far no spatial plot available - when it is I'll compare that with TempLS.
4 comments:
1. Here are the maps of UAH, RSS and GISS (250 and 1200 radius) fo... | {"url":"http://moyhu.blogspot.com/2011/08/giss-july-temp-up-009c.html","timestamp":"2014-04-20T03:09:45Z","content_type":null,"content_length":"97598","record_id":"<urn:uuid:786bb87e-cceb-4dbc-bdad-9178eeec5986>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00377-ip-10-147-4-33.ec2.i... |
Welcome to Henrik Shahgholian's home page; PDE & Potential Theory Group
The development of a "potential analysis" group in the department of mathematics at the Royal Institute of Technology (KTH) wasn't really the result of planning, it just evolved. The starting point
was the discovery of "quadrature domains" (q.d.) w... | {"url":"http://www.math.kth.se/~henriksh/Henriks_page/pde_ptg.html","timestamp":"2014-04-20T13:41:59Z","content_type":null,"content_length":"10722","record_id":"<urn:uuid:9eda43b9-fc0d-43f4-87ce-de0c55465181>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00252-ip-10-147-4-33.ec2.inte... |
DW State Space Model
Next | Prev | Up | Top | Index | JOS Index | JOS Pubs | JOS Home | Search
As discussed in §E.2, the traveling-wave decomposition Eq.E.4) defines a linear transformation Eq.E.10) from the DW state to the FDTD state:
Since change of coordinates for the state space. Substituting Eq.E.27) into the FDTD... | {"url":"https://ccrma.stanford.edu/~jos/pasp/DW_State_Space_Model.html","timestamp":"2014-04-18T23:55:08Z","content_type":null,"content_length":"19335","record_id":"<urn:uuid:f62b6294-94bc-419f-9efb-ae76763fb7bc>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00331-ip-10-147-4-33.ec2.i... |
undergraduate research
Undergraduate research is a high priority at Morehouse College and the Division of Science and Mathematics supports and encourages initiatives that aim to increase the number of its graduates
entering PhD programs. As such, Morehouse faculty regularly work with undergraduates on research pro... | {"url":"http://www.morehouse.edu/facstaff/uwilson/morehouse/undergrad_research.html","timestamp":"2014-04-21T12:09:40Z","content_type":null,"content_length":"7224","record_id":"<urn:uuid:f15c8ec2-4694-4373-8717-4b2372839de6>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00556-ip-10-1... |
Class problem
03-26-2006 #1
Registered User
Join Date
Oct 2005
Class problem
I have a program that should take some points that make a straight line and calculate a slope. I am getting some random garbage and I don't know why.
I have a class "Line":
class Line
Point p1;
Point p2;... | {"url":"http://cboard.cprogramming.com/cplusplus-programming/77409-class-problem.html","timestamp":"2014-04-19T09:49:13Z","content_type":null,"content_length":"50807","record_id":"<urn:uuid:87259e43-7abb-42df-9f97-d0fe1acc4541>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00615-ip-1... |
NOVAL DYAN S.
In general company founded to obtain; get its profit utilize to pass off its life, despitefully on a long term company have to try to improve and apply its effort position in the centre of emulation
of business which progressively komplek and tighten. An company to perform ekspansi that is addition of mac... | {"url":"http://student-research.umm.ac.id/index.php/dept_of_accounting/article/view/1784","timestamp":"2014-04-18T05:31:48Z","content_type":null,"content_length":"13768","record_id":"<urn:uuid:3619561e-6fb8-4a94-879d-7758314a2681>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00155-ip... |
Got Homework?
Connect with other students for help. It's a free community.
• across
MIT Grad Student
Online now
• laura*
Helped 1,000 students
Online now
• Hero
College Math Guru
Online now
Here's the question you clicked on:
Write an equation for the problem and solve. There are 17 2/3 ... | {"url":"http://openstudy.com/updates/4f3b174de4b0fc0c1a0ee6d9","timestamp":"2014-04-18T03:35:38Z","content_type":null,"content_length":"46940","record_id":"<urn:uuid:65e88625-0e84-451c-bde4-96623c91828b>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00154-ip-10-147-4-33.ec2.internal.... |
Math Forum Discussions
- User Profile for: ionvulcanesc_@_erizon.net
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Most relevant results by forum
... | {"url":"http://mathforum.org/kb/search!execute.jspa?userID=498025&forceEmptySearch=true","timestamp":"2014-04-19T07:55:55Z","content_type":null,"content_length":"34258","record_id":"<urn:uuid:403289e1-24cf-46c0-a896-c6854edd02b2>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00168-ip... |
Can we write Rolle's Theorem this way?
Rolle's theorem:
If y =f(x) is a real valued function of a real variable such that:
1) f(x) is continuous on [a,b]
2) f(x) is differentiable on (a,b)
3) f(a) = f(b)
then there exists a real number c[itex]\in[/itex](a,b) such that f'(c)=0
what if the the f(x) is like the following ... | {"url":"http://www.physicsforums.com/showthread.php?s=9f21c8728e9d3e87e5447c0cfe8c4f2d&p=4646671","timestamp":"2014-04-25T06:01:00Z","content_type":null,"content_length":"31597","record_id":"<urn:uuid:059ec48f-ab63-41ed-845a-910808bf44b5>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010... |
x^2 + y^2 Is Composite?
Date: 01/30/2003 at 21:38:59
From: Allan
Subject: Discrete Mathematics
Prove or give a counterexample:
For all integers, if x + y is composite and x - y is composite,
then x^2 + y^2 is composite.
I know a composite number is an integer b such that a|b and 1<a<b. So
there is a number c such... | {"url":"http://mathforum.org/library/drmath/view/62170.html","timestamp":"2014-04-17T21:51:00Z","content_type":null,"content_length":"7869","record_id":"<urn:uuid:30398cfa-fb42-4676-969c-607f944e296b>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00081-ip-10-147-4-33.ec2.internal.war... |
Reporting points in halfspaces
Results 1 - 10 of 53
, 1998
"... The nearest neighbor problem is the following: Given a set of n points P = fp 1 ; : : : ; png in some metric space X, preprocess P so as to efficiently answer queries which require finding the
point in P closest to a query point q 2 X. We focus on the part... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1577279","timestamp":"2014-04-21T07:46:31Z","content_type":null,"content_length":"36959","record_id":"<urn:uuid:42d94718-84ef-4314-8cc3-b1c757093250>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00537-ip-10-147-4-33.ec2.internal.wa... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Re: Differencing two equations
Replies: 0
Re: Differencing two equations
Posted: Feb 11, 2013 4:37 AM... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2434497","timestamp":"2014-04-19T15:22:38Z","content_type":null,"content_length":"14455","record_id":"<urn:uuid:b73c9e7c-0c2a-4354-bf65-9c2efaf7cbe2>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00183-ip-10-147-4-33.ec2.internal.wa... |
FOM: Inductive reasoning
Stephen G Simpson simpson at math.psu.edu
Wed Jan 19 18:12:29 EST 2000
Joe Shipman Wed Jan 19 14:37:19 2000 writes:
> Technical question here for logicians: in the Boolean-valued model
> approach to independence proofs, is there ever a way to "project" the
> algebra of "truth values" into th... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2000-January/003609.html","timestamp":"2014-04-20T16:36:27Z","content_type":null,"content_length":"4112","record_id":"<urn:uuid:320ca8fa-d5be-4db2-8c4e-bea159980c85>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00267-ip-10-147-4-33.ec2.int... |
1983 A note on Limit Identification of c-minimal Indices - E. B. Kinber
Editing By Example (Ph.D Thesis) - R. Nix
Densité et Dimension - P. Assouad
Solution to inductive inference problem P3 - J. Case and M. Fulk
Machine Learning: An Artif... | {"url":"http://www.nzdl.org/gsdlmod?e=d-00000-00---off-0cltbibZz-e--00-1----0-10-0---0---0direct-10-TX%2CCR%2CBO%2CSO--4--Bshouty%2C%2C%2C-----0-1l--11-en-50---20-help-%5BBshouty%5D%3ATX+--01-3-1-00-0--4--0--0-0-11-10-0utfZz-8-00&a=d&cl=CL3.11","timestamp":"2014-04-18T20:51:25Z","content_type":null,"content_length":"32... |
How Google Map Works
This is my analysis about how Google map works, and specially how the tiles are encoded. Google map uses pre-rendered tiles that can be obtained with a simple URL. This article explains how to build
the URL for a tile from its geo coordinates (latitude/longitude).
Map Tile Encoding
Google map uses ... | {"url":"http://www.codeproject.com/Articles/14793/How-Google-Map-Works?msg=2676251","timestamp":"2014-04-23T10:32:36Z","content_type":null,"content_length":"182408","record_id":"<urn:uuid:6df16f7a-0a1b-49a3-bf79-24afbfdc43b0>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00125-ip-10-1... |
MathGroup Archive: August 2012 [00360]
[Date Index] [Thread Index] [Author Index]
Re: ContourPlot non rectangular evaluation?
• To: mathgroup at smc.vnet.net
• Subject: [mg127839] Re: ContourPlot non rectangular evaluation?
• From: Bob ... | {"url":"http://forums.wolfram.com/mathgroup/archive/2012/Aug/msg00360.html","timestamp":"2014-04-18T00:20:25Z","content_type":null,"content_length":"27677","record_id":"<urn:uuid:3040b2e2-da56-44fb-b1eb-481c37918930>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00601-ip-10-147-4-33.... |
A 1-1 1-2 Alg Expressions & Order of Ops Ppt Presentation
A 1-1 1-2 Alg Expressions & Order Of Ops
Presentation Description
No description available.
By: debandahala (32 month(s) ago)
Can you pls share me your presentation it is very nice thank you.
By: lindaryland (34 month(s) ago)
I really enjoyed your presentati... | {"url":"http://www.authorstream.com/Presentation/Mr.Thomas-82461-1-2-alg-expressions-order-ops-algebraic-operations-education-ppt-powerpoint/","timestamp":"2014-04-18T18:13:19Z","content_type":null,"content_length":"187281","record_id":"<urn:uuid:fb13089d-1d11-4309-ae4c-4ed1681f98a3>","cc-path":"CC-MAIN-2014-15/segment... |
$1.10 dollar bill
The cashier was a
tad quirky in that
she enjoyed multiplying
the digits together of
the price of the item
being purchased, then
she would tell the
customer that the
last digit of the
product of the digits
of her change would
be the same number
as the last digit of the
product of her purchase
price dig... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=173320","timestamp":"2014-04-21T05:44:14Z","content_type":null,"content_length":"13471","record_id":"<urn:uuid:8b6d4d63-8bf4-4ef4-ac1a-95b2ef12a88a>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00065-ip-10-147-4-33.ec2.internal... |
Congressional ideology by state
October 25, 2012
By is.R()
In a recent post, I illustrated how to add a background geom to your ggplot. While that code worked, and the plot looked fine, it was pointed out to me that I was missing an important aspect of plot
layering with ggplot2. Namely, it is not, as I previously clai... | {"url":"http://www.r-bloggers.com/congressional-ideology-by-state/","timestamp":"2014-04-19T22:45:42Z","content_type":null,"content_length":"35335","record_id":"<urn:uuid:0f0faeb8-2a3b-4221-9e72-f9b94da73a88>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00211-ip-10-147-4-33.ec2.inter... |
Legendre Polynomial and Rodrigues' Formula
I am reading Jackson's electrodynamics book. When I went through the Legendre polynomial, I have a question.
In the book, it stated that from the Rodrigues' formula we have
Consider only the odd terms
How to obtain this equation and how can I obtain the equation for even terms... | {"url":"http://www.physicsforums.com/showthread.php?t=648168","timestamp":"2014-04-21T02:11:41Z","content_type":null,"content_length":"25203","record_id":"<urn:uuid:beec26eb-47de-4f9f-86c3-c00aea394d09>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00141-ip-10-147-4-33.ec2.internal.wa... |
[Numpy-discussion] Assigning complex value to real array
Charles R Harris charlesr.harris@gmail....
Thu Oct 7 00:31:20 CDT 2010
On Wed, Oct 6, 2010 at 11:07 PM, Andrew P. Mullhaupt
> I came across this gem yesterday
> >>> from numpy import *
> >>> R = ones((2))
> >>> R[0] = R[0] * 1j
> >>> R
> ...array([ 0., 1.])
> >>>... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-October/053109.html","timestamp":"2014-04-20T02:03:07Z","content_type":null,"content_length":"4720","record_id":"<urn:uuid:886f2fe9-8c2c-44ca-a3dd-1f11c3e01501>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00214-ip-10-147-... |
Wolfram Demonstrations Project
Dynamic Step Distance Transforms
This Demonstration explores various ways of measuring the distance of a cell from a set of initial cells. Each cell stores a distance and a color (black or white), and these values propagate out
from the initial set. The color of each cell is updated based... | {"url":"http://demonstrations.wolfram.com/DynamicStepDistanceTransforms/","timestamp":"2014-04-18T20:47:53Z","content_type":null,"content_length":"49523","record_id":"<urn:uuid:99dba73e-64a1-47b4-a5bd-5b0530c56a4a>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00057-ip-10-147-4-33.ec2... |
Inequality (Factorial Related)
Prove : $(n!)^2 > n^n$ when n is a +ve integer > 2
Hi ! $n! = 1\times 2\times 3\cdots (n-1)\times n$ so \begin{aligned}(n!)^2 &= [1\times 2\times 3\cdots (n-1)\times n]^2\\<br /> &={\color{red}1}\times {\color{blue}1} \times {\color{green}2}\times {\
color{magenta}2} \cdots {\color{magent... | {"url":"http://mathhelpforum.com/algebra/45142-inequality-factorial-related.html","timestamp":"2014-04-19T09:58:10Z","content_type":null,"content_length":"38419","record_id":"<urn:uuid:4379a185-cf42-4143-a077-4132a683fa9a>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00233-ip-10-147... |
A basic math programming question
A basic math programming question
I'm trying to learn some basic ideas about programming mathematical functions in C.
I would like the user to be able to input a number with decimals, for instance "2.123"
and then use this input to carry out an equation.
Here is how I'v... | {"url":"http://cboard.cprogramming.com/c-programming/99548-basic-math-programming-question-printable-thread.html","timestamp":"2014-04-20T10:31:18Z","content_type":null,"content_length":"18825","record_id":"<urn:uuid:3f90b770-ec47-44ee-8806-24e4914e1b9c>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN... |
[Numpy-discussion] Python vector and matrix formatter similar to Matlab
[Numpy-discussion] Python vector and matrix formatter similar to Matlab
Alexander Schmolck a.schmolck@gmx....
Sat Mar 10 10:57:30 CST 2007
"Simon Wood" <sgwoodjr@gmail.com> writes:
> To all,
> I came across an old thread in the archives in which Al... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2007-March/026437.html","timestamp":"2014-04-17T18:26:36Z","content_type":null,"content_length":"4142","record_id":"<urn:uuid:11e0e259-b538-41eb-90e3-d87fa83bc257>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00609-ip-10-147-4... |
Fluid Simulation for Video Games (part 13)
By Dr. Michael J. Gourlay
Download Fluid Simulation for Games (part 13) [PDF 1.1MB]
Download MjgIntelFluidDemo_Part13.zip [RAR 2.4MB]
Figure 1. Convex polyhedra interacting with a vortex particle fluid
Convex Obstacles
Video games are compelling because they are interactive. E... | {"url":"https://software.intel.com/en-us/articles/fluid-simulation-for-video-games-part-13/","timestamp":"2014-04-20T10:48:15Z","content_type":null,"content_length":"79877","record_id":"<urn:uuid:717f0da1-a2fc-4cb4-b6cb-71b4bd301c88>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-0004... |
Math Forum Discussions - Re: How teaching factors rather than multiplicand & multiplier<br> confuses kids!
Date: Nov 12, 2012 7:58 AM
Author: Joe Niederberger
Subject: Re: How teaching factors rather than multiplicand & multiplier<br> confuses kids!
Robert Hansen says:
>That "intuition" you speak of is not common sense... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=7922151","timestamp":"2014-04-21T02:17:39Z","content_type":null,"content_length":"2551","record_id":"<urn:uuid:7c9c65cc-7b8b-4aec-9908-f97f5ebbd301>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00185-ip-10-147-4-33.ec2.interna... |
A SIMPLE
LOCAL PROJECTION SYSTEM
FOR SURVEY APPLICATIONS
... | {"url":"http://www.cadastral.com/cad-local.htm","timestamp":"2014-04-19T11:57:14Z","content_type":null,"content_length":"23161","record_id":"<urn:uuid:c5b5a317-a5ce-484f-b549-111eca33a777>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00372-ip-10-147-4-33.ec2.internal.warc.gz"} |
Steel Bank Common Lisp
On Jan 3, 2008 3:15 AM, Christophe Rhodes <csr21@...> wrote:
> Heh. I think that my patch is at a position that you should be able
> to apply just the x86-64 bits implementing 32-bit arithmetic from
> <http://thread.gmane.org/gmane.lisp.steel-bank.devel/9155/>; it's
> possible that bits and p... | {"url":"http://sourceforge.net/p/sbcl/mailman/sbcl-devel/thread/874piyyv7o.fsf@tochka.ru/","timestamp":"2014-04-21T08:32:45Z","content_type":null,"content_length":"49503","record_id":"<urn:uuid:d2032669-470a-4cdf-bcc0-05cdffd0928c>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00277-... |
Which RAID solutions can handle 2 disk failures
up vote 2 down vote favorite
Our of RAID 0-5 and RAID 0+1 and RAID 1+0 which ones would be able to handle two disk failures at the same time?
I have read online that RAID 0+1 can not handle this
Also from my research it seems that RAID 1, 2, and 0+1 can handle this but I ... | {"url":"http://serverfault.com/questions/300846/which-raid-solutions-can-handle-2-disk-failures/300849","timestamp":"2014-04-18T01:07:15Z","content_type":null,"content_length":"82205","record_id":"<urn:uuid:5349e434-132a-474b-a0b5-d88b8f24bc88>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416... |
Koch Snowflake
Koch Snowflake Source:
Koch Snowflake 1 iteration:
Koch Snowflake 2 iterations:
Koch Snowflake 3 iterations:
Fractal Explorer
Koch Snowflake
The Koch Snowflake fractal is, like the Koch curve one of the first fractals to be described.
Basically the Koch Snowflake are just three Koch curves combined to a ... | {"url":"http://www.fractal-explorer.com/kochsnowflake.html","timestamp":"2014-04-19T22:05:50Z","content_type":null,"content_length":"9421","record_id":"<urn:uuid:6a68d191-f44a-4e3e-8bb2-9a74fd422b8a>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00593-ip-10-147-4-33.ec2.internal.warc... |
Invited Commentary: Invited Commentary: GE-Whiz! Ratcheting Gene-Environment Studies up to the Whole Genome and the Whole Exposome
One goal in the post-genome-wide association study era is characterizing gene-environment interactions, including scanning for interactions with all available polymorphisms, not just those ... | {"url":"http://pubmedcentralcanada.ca/pmcc/articles/PMC3261438/?lang=en-ca","timestamp":"2014-04-21T10:08:16Z","content_type":null,"content_length":"89462","record_id":"<urn:uuid:6044522a-f615-43eb-b0ba-8f35a399a972>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00394-ip-10-147-4-33.... |
Got Homework?
Connect with other students for help. It's a free community.
• across
MIT Grad Student
Online now
• laura*
Helped 1,000 students
Online now
• Hero
College Math Guru
Online now
Here's the question you clicked on:
a superhero recently asked his nemesis how many cats she has. ... | {"url":"http://openstudy.com/updates/503ac338e4b006c9390b4028","timestamp":"2014-04-16T19:06:18Z","content_type":null,"content_length":"30221","record_id":"<urn:uuid:cc5b2f7b-2645-47bf-aeb1-58ab5ac4088b>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00028-ip-10-147-4-33.ec2.internal.... |
From Wikibooks, open books for an open world
The Natural Numbers[edit]
Mathematics requires, in order to avoid confusion or absurdity, an unambiguous definition of vocabulary. While this is true of any science, in mathematics this is achieved absolutely through the
abstraction of concepts.
However, the full description... | {"url":"http://en.wikibooks.org/wiki/Algebra/Theory","timestamp":"2014-04-19T23:19:41Z","content_type":null,"content_length":"47262","record_id":"<urn:uuid:f540e586-9b2b-46ca-95ee-a1842ffd449d>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00192-ip-10-147-4-33.ec2.internal.warc.gz"} |
The fruits of string theory: The Shape of Inner Space
Physicists and mathematicians embrace in this book by Shing-Tung Yau.
by Matt Ford - Jul 14, 2012 4:03 pm UTC
String theory has its scientific origins in the late 1970s and early 1980s, but it was propelled into the full view of the public in 2000 thanks to Brian Gr... | {"url":"http://arstechnica.com/science/2012/07/the-fruits-of-string-theory-the-shape-of-inner-space/?comments=1&post=23056150","timestamp":"2014-04-16T08:12:07Z","content_type":null,"content_length":"153109","record_id":"<urn:uuid:bda4095f-e111-4a99-bdba-191ed449c2e9>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: How precisely can a right angle be measured?
Replies: 9 Last Post: Apr 6, 2013 3:48 PM
Messages:... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8849108","timestamp":"2014-04-16T22:14:44Z","content_type":null,"content_length":"24496","record_id":"<urn:uuid:f52973d9-c983-4c50-9dcb-c2de89c4e18d>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00330-ip-10-147-4-33.ec2.internal.... |
1: input: Let be the task currently being executed, and
be the task wants to preempt , current time be ,
be the conditional expected utility density of
at time , be the expected utility density of ,
and are the expected execution time of and ,
3:When a new task arrives or it is the preemption checking
4: If then
5: Che... | {"url":"http://www.hindawi.com/journals/isrn/2012/681985/alg3/","timestamp":"2014-04-17T19:53:30Z","content_type":null,"content_length":"15756","record_id":"<urn:uuid:f2cfad24-2284-4caf-91a2-8df966df2f80>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00050-ip-10-147-4-33.ec2.internal... |
How much difference is there between drafts?
by Tony Villiotti
April 15, 02013
Print This
This is the time of year the experts tell us how good or how bad this year’s draft class is, which playing positions have a lot of depth, and so forth. By the time the outcome of the draft class can
truly be measured, though, the ... | {"url":"http://nationalfootballpost.com/print.html&post=How-much-difference-is-there-between-drafts","timestamp":"2014-04-21T02:05:31Z","content_type":null,"content_length":"5640","record_id":"<urn:uuid:3e1e8ab2-b251-4229-a9de-8e1e7ba7832d>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-201404230320... |
Posts by
Total # Posts: 274
melind wants to paint the exterior lateral surface of her house. It is nine feet high and has a perimeter of 140 feet. each gallon of paint covers 300 square feet how many one gallon cans of paint
does she need to buy to paint her house
Assume you are working on a house the length of the ho... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=logan","timestamp":"2014-04-18T08:56:43Z","content_type":null,"content_length":"27185","record_id":"<urn:uuid:213958a3-075f-4cc0-8491-8ed6efb7d7a7>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00028-ip-10-147-4-33.ec2.inter... |
How do I attenuate a WAV file by a given decibel value?
up vote 7 down vote favorite
If I wanted to reduce a WAV file's amplitude by 25%, I would write something like this:
for (int i = 0; i < data.Length; i++)
data[i] *= 0.75;
A lot of the articles I read on audio techniques, however, discuss amplitude in terms of... | {"url":"http://stackoverflow.com/questions/1149092/how-do-i-attenuate-a-wav-file-by-a-given-decibel-value","timestamp":"2014-04-16T14:30:42Z","content_type":null,"content_length":"89321","record_id":"<urn:uuid:d54a4484-b705-46ff-bb31-511beecad66d>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140... |
BCS and the formation of Copper Pairs
In my understanding, "deformation of lattice" is a classical description and may not be used in quantum mechanical explanation.
The phrase “lattice deformation” does not imply a system that is fully classical. The nuclei part of the lattice is much more massive then the valence ele... | {"url":"http://www.physicsforums.com/showthread.php?p=4201672","timestamp":"2014-04-16T13:49:47Z","content_type":null,"content_length":"80120","record_id":"<urn:uuid:137d1176-248b-43fd-ac7b-099f10e40747>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00146-ip-10-147-4-33.ec2.internal.... |
Having trouble with loans/future value
November 14th 2011, 01:20 PM #1
Nov 2011
Having trouble with loans/future value
Okay, so I have a few problems dealing with "buying a house." There are six parts to the question and I'm on the sixth part so I'll add some additional information that I have from other parts ... | {"url":"http://mathhelpforum.com/business-math/191913-having-trouble-loans-future-value.html","timestamp":"2014-04-20T22:34:17Z","content_type":null,"content_length":"32968","record_id":"<urn:uuid:709b0d6b-0dd7-44fa-ad4f-1559681ab5a0>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-004... |
This Article
Bibliographic References
Add to:
ASCII Text x
G. Beni, X. Liu, "A Least Biased Fuzzy Clustering Method," IEEE Transactions on Pattern Analysis and Machine Intel... | {"url":"http://www.computer.org/csdl/trans/tp/1994/09/i0954-abs.html","timestamp":"2014-04-16T23:22:47Z","content_type":null,"content_length":"53827","record_id":"<urn:uuid:5d2cd66f-cc83-41dd-b735-f47960945d1b>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00424-ip-10-147-4-33.ec2.int... |
This graduate-level text is intended for initial courses in algebra that begin with first principles but proceed at a faster pace than undergraduate-level courses. It employs presentations and proofs
that are accessible to students, and it provides numerous concrete examples.
Exercises appear throughout the text, clari... | {"url":"http://www.barnesandnoble.com/w/algebra-larry-c-grove/1101325760?ean=9780486439471&itm=1&usri=larry+c.+grove","timestamp":"2014-04-16T19:37:52Z","content_type":null,"content_length":"132792","record_id":"<urn:uuid:a718f83f-c884-4b7a-af24-22d299cd40b9>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/C... |
Solving Unconstrained Global Optimization Problems via Hybrid Swarm Intelligence Approaches
Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 256180, 15 pages
Research Article
Solving Unconstrained Global Optimization Problems via Hybrid Swarm Intelligence Approaches
Department of Business Administrat... | {"url":"http://www.hindawi.com/journals/mpe/2013/256180/","timestamp":"2014-04-19T10:36:29Z","content_type":null,"content_length":"453744","record_id":"<urn:uuid:ce30e43d-9144-4804-9b1c-51ae0675a253>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00058-ip-10-147-4-33.ec2.internal.warc... |
A Cannon Is Placed At The Edge Of A Cliff Of Height ... | Chegg.com
A cannon is placed at the edge of a cliff of height H overlooking the ocean. The cannon has a muzzle velocity V0 and is pointed at a positive angle THETA above the horizontal. 1. The kinetic energy
of the projectile when it hits the water depends on __... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/cannon-placed-edge-cliff-height-h-overlooking-ocean-cannon-muzzle-velocity-v0-pointed-posi-q2588499","timestamp":"2014-04-18T16:41:24Z","content_type":null,"content_length":"21930","record_id":"<urn:uuid:3c6aba03-3ceb-45c2-97be-9030f945eb75>","cc-path":"C... |
Math Help
May 25th 2009, 05:47 AM #1
Mar 2006
Cramer Rao
hello there,
I need some help with this question.
( look picture attached )
find the Cramer Rao lower bound for the unbiased estimator of theta.
cheers !
Assuming the Xi are independent... This is how I've been taught. Dunno how you'v... | {"url":"http://mathhelpforum.com/advanced-statistics/90406-cramer-rao.html","timestamp":"2014-04-16T16:50:32Z","content_type":null,"content_length":"38617","record_id":"<urn:uuid:35e44e55-ecb7-4e5e-ae22-65d886c85989>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00366-ip-10-147-4-33.... |
st: RE: Problem putting enclosed brackets.
Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
st: RE: ... | {"url":"http://www.stata.com/statalist/archive/2010-04/msg00009.html","timestamp":"2014-04-19T17:11:31Z","content_type":null,"content_length":"8860","record_id":"<urn:uuid:27f0e75f-731a-4db2-a391-19bb84671298>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00102-ip-10-147-4-33.ec2.int... |
Post a reply
Hi Justin. This may not help, but who knows?
Define the bottom or top of the parabola at (d,D)
I'll rename your (x1,y1) to be (a,A), just because I feel like it.
And (x2,y2) is (b,B). And (x3,y3) is (c,C).
Also your "a" multiplier, I will call "N", as it makes the parabola narrower.
Now if you get the poin... | {"url":"http://www.mathisfunforum.com/post.php?tid=2423&qid=23493","timestamp":"2014-04-17T12:46:10Z","content_type":null,"content_length":"17436","record_id":"<urn:uuid:62220b39-13e0-42d3-861f-0dbf399a0401>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00052-ip-10-147-4-33.ec2.inter... |
Line touches curve at only one point
February 25th 2011, 04:01 AM #1
Super Member
Dec 2009
Line touches curve at only one point
Sketch the curve $C$ with equation $y^2+4x^2=4+2y$(i have no problem with this part)
If the line $y=2x+a$ touches the curve $C$ at only one point, show that $a^2-2a-9=0$
Substi... | {"url":"http://mathhelpforum.com/pre-calculus/172574-line-touches-curve-only-one-point.html","timestamp":"2014-04-17T11:03:07Z","content_type":null,"content_length":"52957","record_id":"<urn:uuid:12767d94-9bc0-41ae-95e0-8b8d651f825e>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-0056... |
Defining the midpoint of a colormap in matplotlib
up vote 12 down vote favorite
I want to set the middle point of a colormap, ie my data goes from -5 to 10, i want zero to be the middle. I think the way to do it is subclassing normalize and using the norm, but i didn't find any
example and it is not clear to me, what e... | {"url":"http://stackoverflow.com/questions/7404116/defining-the-midpoint-of-a-colormap-in-matplotlib","timestamp":"2014-04-21T10:59:53Z","content_type":null,"content_length":"91991","record_id":"<urn:uuid:079c0468-af9e-4369-99cc-bcfa3362b17d>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-2014042303... |
EC6012, International Monetary Economics, Problem Set 1
Apologies for the delay in posting this problem set, I've changed the due date to compensate.
This problem set is worth 10% of your final mark. All questions carry equal marks, and the date for submission is Friday, March 6th, to the departmental office, KB 3-22a,... | {"url":"http://www.stephenkinsella.net/2009/02/18/ec6012-international-monetary-economics-problem-set-1/","timestamp":"2014-04-16T13:51:12Z","content_type":null,"content_length":"16001","record_id":"<urn:uuid:0418acbd-d558-4166-9943-27a4bafb1ebc>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-2014042... |
derivative question
For the function f(x) = abs value(x^2-3), why is the function not differentiable at x = (3)^.5? Thanks
Hey, It's not differentiable at 3^0.5 because: 3^0.5 = x means that f(x) = |[(3^0.5)^2]-3| [3^0.5]^2 becomes 3^(0.5*2) = 3 Which means that f(x) = 0 If we plot the normal x^2 - 3 we find that at y ... | {"url":"http://mathhelpforum.com/calculus/115088-derivative-question-print.html","timestamp":"2014-04-20T07:26:47Z","content_type":null,"content_length":"4084","record_id":"<urn:uuid:0c2b382c-3455-4364-b7da-4f4937d476ec>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00119-ip-10-147-4... |
Boyle Heights, CA Calculus Tutor
Find a Boyle Heights, CA Calculus Tutor
...I have been academically intimidated, and occasionally over-matched, having attended very competitive undergraduate and graduate schools myself. I also recognize which advisors were able to
help me and which ones were not. In turn, I've lea... | {"url":"http://www.purplemath.com/Boyle_Heights_CA_Calculus_tutors.php","timestamp":"2014-04-18T08:29:48Z","content_type":null,"content_length":"24391","record_id":"<urn:uuid:54022323-a2f2-4f72-8db5-a8765392c211>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00200-ip-10-147-4-33.ec2.... |
Question about computing the number of nodes in a Binary Tree
Question about computing the number of nodes in a Binary Tree
A Computer Science Professor at Stanford University used the following function to compute the number of nodes in a Binary Tree.
Compute the number of nodes in a tree.
int size(struct ... | {"url":"http://cboard.cprogramming.com/c-programming/122546-question-about-computing-number-nodes-binary-tree-printable-thread.html","timestamp":"2014-04-21T16:35:22Z","content_type":null,"content_length":"8594","record_id":"<urn:uuid:6ab0a0c9-b2ec-4419-8d91-93a57ca9d2b7>","cc-path":"CC-MAIN-2014-15/segments/1397609540... |
Low delay software-based bandpass filters (for dummies [me = dummy]).
There are 11 messages in this thread.
You are currently looking at messages 1 to .
Is this discussion worth a thumbs up?
Low delay software-based bandpass filters (for dummies [me = dummy]). - 2007-04-03 16:01:00
I want to design a real time, multiba... | {"url":"http://www.dsprelated.com/showmessage/74694/1.php","timestamp":"2014-04-19T04:30:29Z","content_type":null,"content_length":"45999","record_id":"<urn:uuid:cc10eee4-0254-4348-8d36-1c3e9f0e27fd>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00225-ip-10-147-4-33.ec2.internal.warc.... |
M12 Q17
Author Message
45% (medium)
Question Stats:
(01:41) correct
45% (00:59)
based on 111 ... | {"url":"http://gmatclub.com/forum/m12-q17-68647.html","timestamp":"2014-04-17T13:11:55Z","content_type":null,"content_length":"247697","record_id":"<urn:uuid:52cbdfc1-c5d3-4c47-b766-974e9d510f97>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00113-ip-10-147-4-33.ec2.internal.warc.gz"... |
the first resource for mathematics
Elliptic partial differential equations of second order. Reprint of the 1998 ed.
(English) Zbl 1042.35002
Classics in Mathematics. Berlin: Springer (ISBN 3-540-41160-7/pbk). xiii, 517 p. DM 69.00; öS 504.00; sFr. 61.00; £ 24.00; $ 34.95 (2001).
From the preface: This revision of the 1... | {"url":"http://zbmath.org/?q=an:1042.35002&format=complete","timestamp":"2014-04-16T19:10:33Z","content_type":null,"content_length":"22391","record_id":"<urn:uuid:49e0b07d-b9b4-4efb-a19a-9c6c6378521e>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00122-ip-10-147-4-33.ec2.internal.war... |
Option Basics -- VIII
Butterfly tactics
Anup Menon
ASSUME you are an investor and you want to take a view on the volatility of the stock of say ABC company. Further assume that you are sure that either the volatility of the stock will increase or
that the volatility of the stock will decrease. In such circumstances, an... | {"url":"http://www.thehindubusinessline.in/businessline/iw/2001/07/15/stories/0715g05m.htm","timestamp":"2014-04-17T18:26:52Z","content_type":null,"content_length":"8184","record_id":"<urn:uuid:dc676d8d-5750-41bc-8063-daddbf10e5d8>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00131-... |
Winnetka, CA Geometry Tutor
Find a Winnetka, CA Geometry Tutor
...As a writer, I've published ten books, one of which recently reached #1 in the Amazon Free Kindle store for a day and a half. This year, the Princeton Review hired me to write and edit an AP
European History test prep book for global distribution. To... | {"url":"http://www.purplemath.com/Winnetka_CA_geometry_tutors.php","timestamp":"2014-04-20T14:07:27Z","content_type":null,"content_length":"24122","record_id":"<urn:uuid:b7c36989-9fb8-4bb6-8f79-4b815fd18963>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00123-ip-10-147-4-33.ec2.inter... |
Winthrop Harbor Statistics Tutor
Find a Winthrop Harbor Statistics Tutor
...It can work as a stand alone application or it can be linked with a network. The program allows users to access emails from multiple sources, track schedules and tasks, enter contact
information, and utilize journal and note features. I am ... | {"url":"http://www.purplemath.com/Winthrop_Harbor_Statistics_tutors.php","timestamp":"2014-04-18T19:16:08Z","content_type":null,"content_length":"24517","record_id":"<urn:uuid:b05ef96c-4362-4fdf-b9f0-4d1eb745833e>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00404-ip-10-147-4-33.ec2.... |
Payroll and Wins
Over at the Wages of Wins, Stacey Brook discusses the issue of payroll and wins in baseball. I’m surprised at how many problems people are having with an argument that they make in their book:
payroll is not the largest determinant of wins. Using data from 1988-2006, Brook reports that payroll differen... | {"url":"http://www.sabernomics.com/sabernomics/index.php/2006/11/payroll-and-wins-2/comment-page-1/","timestamp":"2014-04-17T01:48:16Z","content_type":null,"content_length":"49167","record_id":"<urn:uuid:f5eb8268-14f1-4ff4-a7d9-8ba8b3cb2a46>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032... |
practical applications of eigenvalues and eigenvectors
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
We're making a video presentation on the topic of eigenvectors and eigenvalues. Unfortunately we have only reached the theo... | {"url":"http://mathoverflow.net/questions/40454/practical-applications-of-eigenvalues-and-eigenvectors","timestamp":"2014-04-17T15:33:25Z","content_type":null,"content_length":"78163","record_id":"<urn:uuid:e9e53a33-261d-406f-8d18-42d8a519cf62>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-201404160... |
Responses to "Jay Earley and his algorithm"
mark@hubcap.clemson.edu (Mark Smotherman)
Fri, 9 Jun 89 17:00:01 -0400
From comp.compilers
| List of all article... | {"url":"http://compilers.iecc.com/comparch/article/89-06-014","timestamp":"2014-04-18T08:24:50Z","content_type":null,"content_length":"21912","record_id":"<urn:uuid:b23e725a-dd9f-4352-b1b2-a6ca3e2854c3>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00362-ip-10-147-4-33.ec2.internal.w... |
Radiosity Over
Radiosity OverView Part 3
Reference: SIGGRAPH 1993 Education Slide Set, by Stephen Spencer
Slide 14 : Progressive Radiosity Variants.
Several variations on the basic progressive radiosity algorithm have been developed,... | {"url":"http://www.siggraph.org/education/materials/HyperGraph/radiosity/overview_3.htm","timestamp":"2014-04-21T02:02:55Z","content_type":null,"content_length":"8609","record_id":"<urn:uuid:204d6f23-5c9d-4fad-9337-c7a2467478b8>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00200-ip-... |
Operating cost for the lowest 4 percent of the airplanes
1. 356890
Operating cost for the lowest 4 percent of the airplanes
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,050 per hour and a standard deviation of $205.
What is the operating cost for t... | {"url":"https://brainmass.com/statistics/normal-distribution/356890","timestamp":"2014-04-18T13:48:10Z","content_type":null,"content_length":"28116","record_id":"<urn:uuid:87aa5b21-2086-434c-8c3f-c075b72f779a>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00490-ip-10-147-4-33.ec2.inte... |
Longitudinal data (change scores)
Baseline-adjustment is generally preferred to change scores, because it is less parameterized - allowing the data more freedom to fit itself. In calculation terms it is the difference between models
like these:
wt2 = 1*wt1 + error
wt2 = 0.973*wt1 + error
Interestingly, you can use chan... | {"url":"http://blog.lib.umn.edu/mitc0186/houristics/2010/05/longitudinal_data_cahnge_score.html","timestamp":"2014-04-19T17:09:04Z","content_type":null,"content_length":"5943","record_id":"<urn:uuid:d3b79288-36b4-4c57-99a1-4c156ec139eb>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-0... |
"orthogonal" and "parallel" morphisms?
up vote 3 down vote favorite
Let $\mathbf C$ a category with an initial object named $0$.
Is there a name for the pair of arrows $f,g\colon A\to B$ such that the unique arrow $0\to A$ is their equalizer? And dually, is there a special name for $f,g\colon A\to B$ such that the coeq... | {"url":"http://mathoverflow.net/questions/58769/orthogonal-and-parallel-morphisms","timestamp":"2014-04-17T15:54:31Z","content_type":null,"content_length":"52050","record_id":"<urn:uuid:b0b85c19-c81a-44dc-b9d6-91a12998789e>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00629-ip-10-147... |
of knot
Results 1 - 10 of 21
- J. ACM , 1999
"... We consider the problem of deciding whether a polygonal knot in 3-dimensional Euclidean space is unknotted, capable of being continuously deformed without self-intersection so that it lies in a
plane. We show that this problem, unknotting problem is in NP. We also consi... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=97726","timestamp":"2014-04-17T16:07:20Z","content_type":null,"content_length":"36522","record_id":"<urn:uuid:b80fee92-6aaa-4ef8-a950-fd3ce663e5d2>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00006-ip-10-147-4-33.ec2.internal.warc.... |
Floral Park Math Tutor
...Finally, I believe relating the subject matter being taught to their everyday experience helps to keep students interested. I graduated from Columbia University in 1986, and earned a PhD. in
Sociology from Binghamton University in 1999. I have five years of teaching experience at the colle... | {"url":"http://www.purplemath.com/floral_park_ny_math_tutors.php","timestamp":"2014-04-19T12:39:59Z","content_type":null,"content_length":"24027","record_id":"<urn:uuid:6a0c5fc7-ab3f-43f2-864a-a824b69a3f25>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00660-ip-10-147-4-33.ec2.intern... |
Math.PI Property
Siebel eScript Language Reference > Siebel eScript Commands > The Math Object >
Math.PI Property
This property holds the number value for pi.
This property holds the value of pi, which is the ratio of the circumference of a circle to its diameter. This value is represented internally as approximately 3... | {"url":"http://docs.oracle.com/cd/B31104_02/books/eScript/eScript_JSReference242.html","timestamp":"2014-04-17T00:00:22Z","content_type":null,"content_length":"4282","record_id":"<urn:uuid:14d446e4-1ea7-450e-93a8-6b0aac717c23>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00379-ip-10-... |
Computing the Volume of Closed 3-Manifolds and the Geometrization Conjecture
up vote 2 down vote favorite
My question is whether or not if I generalize Theorem 2(i) of "Contact Graphs of Unit Sphere Packings Revisited" [2012] by K. Bezdek and S. Reid (arXiv link) which states
The number of touching triplets (resp.,... | {"url":"http://mathoverflow.net/questions/123022/computing-the-volume-of-closed-3-manifolds-and-the-geometrization-conjecture","timestamp":"2014-04-16T07:41:25Z","content_type":null,"content_length":"49893","record_id":"<urn:uuid:ce6a923d-2b7d-400d-9a3b-ff6cff5679c0>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8... |
Wolfram Demonstrations Project
The Birthday Problem and Some Generalizations
The birthday problem asks, "How many randomly selected people must there be in a room in order for the probability that two people share a birthday to exceed 0.5?" and has the well-known answer 23.
The following generalizations are illustrated... | {"url":"http://demonstrations.wolfram.com/TheBirthdayProblemAndSomeGeneralizations/","timestamp":"2014-04-19T09:27:43Z","content_type":null,"content_length":"43986","record_id":"<urn:uuid:04564402-eb54-4b53-bbe9-fba3f1ba3e8a>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00417-ip-10-... |
Heath Jarrow and Morton Example One: Modeling Interest Rates with One Factor and Maturity-Dependent Volatility
The author wishes to thank Robert A. Jarrow for his encouragement and advice on this series of worked examples of the HJM approach. What follows is based heavily on Prof. Jarrow’s Modeling Fixed
Income Securit... | {"url":"http://www.kamakuraco.com/Blog/tabid/231/EntryId/384/Heath-Jarrow-and-Morton-Example-One-Modeling-Interest-Rates-with-One-Factor-and-Maturity-Dependent-Volatility.aspx","timestamp":"2014-04-16T19:05:57Z","content_type":null,"content_length":"185948","record_id":"<urn:uuid:bbc45256-9805-40a7-8f0e-16158106432d>",... |
In recent years, considerable progress has been made in studying algebraic cycles using infinitesimal methods. These methods have usually been applied to Hodge-theoretic constructions such as the
cycle class and the Abel-Jacobi map. Substantial advances have also occurred in the infinitesimal theory for subvarieties of... | {"url":"http://press.princeton.edu/titles/7906.html","timestamp":"2014-04-20T04:11:14Z","content_type":null,"content_length":"15397","record_id":"<urn:uuid:007199cd-4663-4896-910a-d3b822ec457b>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00518-ip-10-147-4-33.ec2.internal.warc.gz"} |
Motion in One Dimension
Motion in One Dimension
16. When a car's velocity is positive and its acceleration is negative, what is ... below, how does the acceleration at A compare with the acceleration at B? ... – PowerPoint PPT presentation
Number of Views:26
Avg rating:3.0/5.0
Slides: 36
Added by: Anonymous
more less
T... | {"url":"http://www.powershow.com/view/cb020-OTUwY/Motion_in_One_Dimension_powerpoint_ppt_presentation","timestamp":"2014-04-20T01:36:28Z","content_type":null,"content_length":"107768","record_id":"<urn:uuid:a3dcfda9-8939-4dea-a224-6658aee67ddc>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-201404160... |
Peachtree City Algebra 2 Tutor
Find a Peachtree City Algebra 2 Tutor
...I definitely tutor students at a rate that they feel comfortable with, and have found great success in tutoring these subjects. I am a science teacher who absolutely loves science and math! I
have tutored algebra since high school to students o... | {"url":"http://www.purplemath.com/Peachtree_City_algebra_2_tutors.php","timestamp":"2014-04-19T12:08:00Z","content_type":null,"content_length":"24260","record_id":"<urn:uuid:eba66411-0d5b-42bc-93b4-f838c9b2aace>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00327-ip-10-147-4-33.ec2.i... |
Barrington, IL Math Tutor
Find a Barrington, IL Math Tutor
...However, my forte would be tutoring in sciences and math (especially SAT/ACT math prep) as I tutor by stripping concepts to the basics and building upon those basics; this way, a foundation is
formed and the "secret" to success is by recognizing these pa... | {"url":"http://www.purplemath.com/barrington_il_math_tutors.php","timestamp":"2014-04-19T02:27:55Z","content_type":null,"content_length":"24103","record_id":"<urn:uuid:091c17a3-d431-46e7-ac88-6f68465ab6d6>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00377-ip-10-147-4-33.ec2.internal... |
Math Be Brave
We had meetings all day yesterday. I got discouraged. Thinking about the past year has left me a bit deflated. I have grown more confident in my own thinking about teaching mathematics, but remain
discouraged about my ability to teach it well.
In the math department meeting yesterday, I heard my colleague... | {"url":"http://mathbebrave.blogspot.com/2010/06/kids-thinking.html","timestamp":"2014-04-16T22:21:00Z","content_type":null,"content_length":"88753","record_id":"<urn:uuid:57319f5e-b179-4f5e-a071-dc2ca599c6d1>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00654-ip-10-147-4-33.ec2.inter... |
>Math Forum: Alejandre: Math 7
The main focus for this week will be addressing Number Sense 1.2 one of the Key Standards for the seventh grade as well as several Mathematical Reasoning Key Standards.
November 11 - Veteran's Day Holiday || November 12 - Non-Student Day
Main Activity
Interactive Mathe... | {"url":"http://mathforum.org/alejandre/frisbie/math/week9.10.11.12.html","timestamp":"2014-04-21T10:40:25Z","content_type":null,"content_length":"12092","record_id":"<urn:uuid:8a3f8f6b-6d87-4f31-bf91-e9eb74b484c6>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00558-ip-10-147-4-33.ec2... |
Q: Two entangled particles approach a black hole, one falls in and the other escapes. Do they remain entangled? What about after the black hole evaporates?
Posted on December 28, 2012 by The Physicist
Physicist: If all you had access to was the remaining particle, you’d never know the difference.
The way entanglement i... | {"url":"http://www.askamathematician.com/2012/12/q-two-entangled-particles-approach-a-black-hole-one-falls-in-and-the-other-escapes-do-they-remain-entangled-what-about-after-the-black-hole-evaporates/","timestamp":"2014-04-18T15:50:48Z","content_type":null,"content_length":"145599","record_id":"<urn:uuid:7c0aa55c-69e9-... |
I need help with 3 ODEs.
September 27th 2008, 12:49 PM
I need help with 3 ODEs.
I'm stuck with these three ODEs:
$u'' - \frac{1}{x}u' - 4x^2u=0$
$x^2 y''(x) + xy'(x)-n^2y(x)=0$
$u''' + 2e^xu'' -u' -2e^xu=0$
Nothing I tried worked, could you please help me? A hint on which method to try would be real... | {"url":"http://mathhelpforum.com/differential-equations/50822-i-need-help-3-odes-print.html","timestamp":"2014-04-20T08:38:52Z","content_type":null,"content_length":"17782","record_id":"<urn:uuid:bb5338de-a545-4c0f-ba38-4f7d266adc4e>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00366... |
Joint Mathematics Meetings
Joint Mathematics Meetings Program by Day
Current as of Tuesday, April 12, 2005 15:09:56
Program | Deadlines | Inquiries: meet@ams.org
1999 Joint Mathematics Meetings
San Antonio, TX, January 13-16, 1999
Meeting #939... | {"url":"http://jointmathematicsmeetings.org/meetings/national/jmm/2031_program_saturday.html","timestamp":"2014-04-17T15:43:48Z","content_type":null,"content_length":"89758","record_id":"<urn:uuid:6b6e5e18-c6fc-46a2-89f3-8ca6cdc00324>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-0060... |
Math Forum Discussions
Math Forum
Ask Dr. Math
Internet Newsletter
Teacher Exchange
Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Handling branch cuts in trig functions
Replies: 9 Last Post: Mar 26, 2013 4:54 PM
Messages: [ Pr... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8769036","timestamp":"2014-04-17T13:23:05Z","content_type":null,"content_length":"29126","record_id":"<urn:uuid:7e8aed1b-1dc2-40af-96f2-ddfd46fe4ec8>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00455-ip-10-147-4-33.ec2.internal... |
Rate of change
June 3rd 2009, 06:49 AM
Rate of change
This is one of two questions I got wrong on my exam...I would like if you could show me the right way of doing these for future use. The teacher put little notes on the assignments at the bottom.
The Manager of a company that produces graphing calculators de... | {"url":"http://mathhelpforum.com/calculus/91655-rate-change-print.html","timestamp":"2014-04-17T18:31:14Z","content_type":null,"content_length":"4374","record_id":"<urn:uuid:5e609dc2-4ae0-45b8-a9ad-d134879be6f7>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00219-ip-10-147-4-33.ec2.i... |
Exercise sheet 7
Exercises and solutions in LaTex
Resource details
Added By: Mathbank
Added On: 22 Apr 2009 13:16
Tags: Exercise, prime numbers , prime numbers Legendre symbol, Prime Numbers, factors, quadratics, prime numbers primitive roots, Gauss' lemma, Number Theory, mathbank, Quadratic and other
... | {"url":"http://www.edshare.soton.ac.uk/2264/","timestamp":"2014-04-18T05:33:46Z","content_type":null,"content_length":"30524","record_id":"<urn:uuid:e0567d2c-c7ee-4629-bf27-168fdc0a0a7e>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00559-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Mathematics of Huging my great Niece Jordan
I have already blogged about (trying to) teach me Nephew Jason math
and my Great Nephew Justin math
. Now its my Great Niece Jordan's turn.
I was at a dinner with relatives including my 12 year old great niece Jordan. There were 10 people at the dinner.
BILL: Jordan, if e... | {"url":"http://blog.computationalcomplexity.org/2011/04/mathematics-of-huging-my-great-niece.html","timestamp":"2014-04-18T14:03:03Z","content_type":null,"content_length":"165760","record_id":"<urn:uuid:e9f6d408-6575-4feb-96db-556fe08c36f5>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-2014042303200... |
Find closest number
Feb 23rd, 2012, 09:05 PM #1
Thread Starter
Lively Member
Join Date
Dec 2008
Find closest number
I am making a program that deals with basic algebraic functions. The following function is meant to calculate the value of x given a certain value of y. The problem is that the answer can't be
... | {"url":"http://www.vbforums.com/showthread.php?673256-Find-closest-number&p=4139852","timestamp":"2014-04-19T14:54:09Z","content_type":null,"content_length":"135817","record_id":"<urn:uuid:66c48235-bc6e-43c9-bf79-72d3c17b8ecc>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00004-ip-10-... |
Bellaire, TX Trigonometry Tutor
Find a Bellaire, TX Trigonometry Tutor
I have been a private math tutor for over ten(10) years and am a certified secondary math instructor in the state of Texas. I have taught middle and high-school math for over ten (10) years. I am
available to travel all over the greater Houston ... | {"url":"http://www.purplemath.com/Bellaire_TX_Trigonometry_tutors.php","timestamp":"2014-04-16T21:55:22Z","content_type":null,"content_length":"24531","record_id":"<urn:uuid:ecf8e1b0-3d42-4af1-a74b-8ec120349261>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00173-ip-10-147-4-33.ec2.in... |
Data Intelligence and Analytics Resources
This page contains links to various resources available throughout our network, for analytics practitioners. It is an attempt to add structure to our content. Time permitting, we will also add tags
to all recent or great postings for easier navigation.
You might want to bookmar... | {"url":"http://www.analyticbridge.com/page/links","timestamp":"2014-04-16T15:59:57Z","content_type":null,"content_length":"98509","record_id":"<urn:uuid:5541552b-6ce4-44a3-b554-beca3f639a68>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00207-ip-10-147-4-33.ec2.internal.warc.gz"} |
It may seem, after considering cubic systems, that any lattice plane (hkl) has a normal direction [hkl]. This is not always the case, as directions in a crystal are written in terms of the lattice
vectors, which are not necessarily orthogonal, or of the same magnitude. A simple example is the case of in the (100) plane... | {"url":"http://www.doitpoms.ac.uk/tlplib/miller_indices/vector_plane.php","timestamp":"2014-04-20T13:18:56Z","content_type":null,"content_length":"12145","record_id":"<urn:uuid:b45892cf-4452-47d7-b593-db8dc015172f>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00574-ip-10-147-4-33.ec... |
infinte number of terms from a sequence in a sub-interval
I have across the following argument, which seems wrong to me, in a larger proof (Theorem 4 on page 9 of the document available at
). I would appreciate if someone can shed light on why this is true.
The argument is that given a sequence $a_k$ of points in [a,b]... | {"url":"http://www.physicsforums.com/showthread.php?p=4155779","timestamp":"2014-04-19T19:37:26Z","content_type":null,"content_length":"37472","record_id":"<urn:uuid:0fd26aae-0392-4213-95dc-4d5fe846d537>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00116-ip-10-147-4-33.ec2.internal.w... |
Alvin, TX Geometry Tutor
Find an Alvin, TX Geometry Tutor
...My strongest areas are chemistry and math up through precalculus. I will also tutor freshman/sophomore college students in these areas. My tutoring method tends to be old school and emphasizes
learning by doing.
11 Subjects: including geometry, chemistr... | {"url":"http://www.purplemath.com/Alvin_TX_Geometry_tutors.php","timestamp":"2014-04-16T16:38:27Z","content_type":null,"content_length":"23845","record_id":"<urn:uuid:60342b1c-2dd9-4938-af96-31c9bf577d12>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00184-ip-10-147-4-33.ec2.internal... |
JavaScript implement numbers as floating point values, that is, they're attaining decimal values as well as whole number values.
Basic UseEdit
To make a new number, a simple initialization suffices:
var foo = 0; // or whatever number you want
After you have made your number, you can then modify it as necessary. Numbers... | {"url":"https://en.m.wikibooks.org/wiki/JavaScript/Numbers","timestamp":"2014-04-21T09:39:40Z","content_type":null,"content_length":"25304","record_id":"<urn:uuid:585c1412-7918-41cc-86c0-c06df9a3bc18>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00450-ip-10-147-4-33.ec2.internal.warc... |
Evaluating forecast uncertainty due to errors in estimated coefficients: empirical comparison of alternative methods
Bianchi, Carlo and Calzolari, Giorgio (1982): Evaluating forecast uncertainty due to errors in estimated coefficients: empirical comparison of alternative methods. Published in: Evaluating the
reliabilit... | {"url":"http://mpra.ub.uni-muenchen.de/22559/","timestamp":"2014-04-19T11:09:12Z","content_type":null,"content_length":"28232","record_id":"<urn:uuid:ed102c2d-fa4e-40f0-a21c-04a2681dc50b>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00504-ip-10-147-4-33.ec2.internal.warc.gz"} |
Systems and Methods for Phase Compensated Harmonic Sensing in Fly Height Control
Patent application title: Systems and Methods for Phase Compensated Harmonic Sensing in Fly Height Control
Sign up to receive free email alerts when patent applications with chosen keywords... | {"url":"http://www.faqs.org/patents/app/20120056612","timestamp":"2014-04-21T04:25:21Z","content_type":null,"content_length":"108449","record_id":"<urn:uuid:cb1a05d9-479c-46f9-9a79-9b2e6a362840>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00241-ip-10-147-4-33.ec2.internal.warc.gz"} |