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Physics Forums - View Single Post - My Attempt At Re-entry Temp. Calculation
I wanted to figure out the temperature(t[2]) of any object based on things such as its specific heat capacity, re-entry speed, etc.
Work: W = Fy
Force by Air: F[D] = 1/2pv^2C[D]A
Energy-temperature relationship: Q = mc(t[2] - t[1])
Setting th... | {"url":"http://www.physicsforums.com/showpost.php?p=4237962&postcount=1","timestamp":"2014-04-20T05:54:41Z","content_type":null,"content_length":"9117","record_id":"<urn:uuid:ae3b8cd5-d556-45ed-859c-ab6ff2e07553>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00334-ip-10-147-4-33.ec2.... |
Factor Pairs
5.1: Factor Pairs
Created by: CK-12
Have you ever been to a class social? Have you ever been in charge of organizing an event at school?
The sixth grade class is having a social in four weeks on a Friday night. The last time that the sixth grade had a social, it was a little unorganized and the teachers we... | {"url":"http://www.ck12.org/book/CK-12-Concept-Middle-School-Math---Grade-6/r2/section/5.1/","timestamp":"2014-04-23T07:11:19Z","content_type":null,"content_length":"122564","record_id":"<urn:uuid:ea2f6ec7-4e7c-436d-9dec-5e73f326e893>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-004... |
A generalization of Rader's utility representation theorem
Bosi, Gianni and Zuanon, Magalì (2010): A generalization of Rader's utility representation theorem.
Download (824b)
Rader's utility representation theorem guarantees the existence of an upper semicontinuous utility function for any upper semicontinuous total ... | {"url":"http://mpra.ub.uni-muenchen.de/24314/","timestamp":"2014-04-19T14:33:03Z","content_type":null,"content_length":"16998","record_id":"<urn:uuid:735b31eb-2a84-4e46-981b-d70c630b45c1>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00461-ip-10-147-4-33.ec2.internal.warc.gz"} |
perplexus.info :: Shapes : Three Bugs
In this problem, the three bugs start at the corners of an equilateral triangle (with side length=10 inches).
Again, the bugs travel directly towards their neighbor (counter-clockwise). And, again, each bug homes in on its target, regardless of its target's motion. So, their paths... | {"url":"http://perplexus.info/show.php?pid=1591&cid=11229","timestamp":"2014-04-21T12:08:54Z","content_type":null,"content_length":"14884","record_id":"<urn:uuid:aef8aa1a-935e-48ed-9483-8c6371c0c4dc>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00254-ip-10-147-4-33.ec2.internal.warc... |
Variables thing with monetary values
March 26th 2009, 05:05 AM #1
Dec 2008
Variables thing with monetary values
In January 2006, US first class mail rates increased to 39 cents for the first ounce plus 24 cents for each additional ounce. If Sabrina spent $15.00 on a total of 45 stamps of these two
denominat... | {"url":"http://mathhelpforum.com/algebra/80745-variables-thing-monetary-values.html","timestamp":"2014-04-19T18:16:37Z","content_type":null,"content_length":"37319","record_id":"<urn:uuid:b7e87dea-b587-4b13-96dd-93cc51fa1536>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00205-ip-10-... |
Intercepts and Asymptotes of Tangent Functions - Problem 1
Sometimes on your homework, you’ll be asked to find the x intercepts and asymptotes of a tangent function. Let’s find it for y equals -2 tangent of 5x. Remember the -2 is not going to affect
asymptotes or x intercepts because it’s a vertical stretch and then a ... | {"url":"http://www.brightstorm.com/math/trigonometry/trigonometric-functions/intercepts-and-asymptotes-of-tangent-functions-problem-1/","timestamp":"2014-04-24T10:24:02Z","content_type":null,"content_length":"70395","record_id":"<urn:uuid:8e30cf26-6667-4adc-9d2d-e7b4b7dee7e0>","cc-path":"CC-MAIN-2014-15/segments/139822... |
Wolfram Demonstrations Project
Square Koch Fractal Surface
Many fractal curves can be generated using L-systems or string-rewrite rules, in which each stage of the curve is generated by replacing each line segment with multiple smaller segments in a
particular arrangement. The same technique can be extended to surfaces... | {"url":"http://www.demonstrations.wolfram.com/SquareKochFractalSurface/","timestamp":"2014-04-16T10:09:53Z","content_type":null,"content_length":"42192","record_id":"<urn:uuid:522b3956-7db0-4874-a0d5-2d8c294ff3ae>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00403-ip-10-147-4-33.ec2... |
A1 - - - RHUMB LINE SAILING - - - 10/03/2004
A line which maintains the same angle with respect to true north, (it also maintains the same angle crossing all meridians) is called a rhumb line. When traveling along a rhumb line it would appear
(over a short distance) that you were traveling in a straight line, but the p... | {"url":"http://www.angelfire.com/nt/navtrig/A1.html","timestamp":"2014-04-19T17:13:16Z","content_type":null,"content_length":"13652","record_id":"<urn:uuid:594af313-8916-4a0a-a454-810a3dd29607>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00285-ip-10-147-4-33.ec2.internal.warc.gz"} |
188 helpers are online right now
75% of questions are answered within 5 minutes.
is replying to Can someone tell me what button the professor is hitting...
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Thanks... | {"url":"http://openstudy.com/users/moha_10/answered","timestamp":"2014-04-18T20:47:06Z","content_type":null,"content_length":"112401","record_id":"<urn:uuid:6f2968f2-4a90-4c06-b132-dfcaa1626558>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00142-ip-10-147-4-33.ec2.internal.warc.gz"} |
week beginning
Monday 12th Seminar: Number Theory Seminar Location and Time: Meeting Room 13 (CMS) at 2.30pm Speaker: Mike Shuter (Cambridge) Title: Rational points in p-Division fields of elliptic curves Tuesday
June 13th Seminar: Number Thoery Seminar Location and Time: Meeting Room 13 (CMS) at 2.30pm Speaker: Danie... | {"url":"https://www.dpmms.cam.ac.uk/Seminars/Weekly/2005-2006/seminars-12-Jun-2006.html","timestamp":"2014-04-16T10:10:27Z","content_type":null,"content_length":"5239","record_id":"<urn:uuid:4fc62564-af08-4a8a-92a4-1b4592914a36>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00454-ip-... |
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Topic: Eleven papers published by Geometry & Topolog... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8911731","timestamp":"2014-04-19T23:19:29Z","content_type":null,"content_length":"26086","record_id":"<urn:uuid:4130c231-ba58-476c-beab-54eb0a5c1f68>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00026-ip-10-147-4-33.ec2.internal... |
Methuen Geometry Tutor
Find a Methuen Geometry Tutor
...Then, during my last five years at Lowell High School, I taught both college and honors-level precalculus along with Fundamentals of Calculus. In all my teaching I drew on my 30 years of
experiences in industry between college and becoming a math teacher to pr... | {"url":"http://www.purplemath.com/Methuen_Geometry_tutors.php","timestamp":"2014-04-20T16:34:47Z","content_type":null,"content_length":"23837","record_id":"<urn:uuid:6b76d829-2aaf-4764-bbed-4056c1e9b210>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00591-ip-10-147-4-33.ec2.internal.... |
23 Jan 21:49 2013
The Coverage Condition of functional dependencies
Petr P <petr.mvd <at> gmail.com>
2013-01-23 20:49:33 GMT
Hi, trying to understand UndecidableInstances (and to find and answer to <
>), I was trying to find out why "mtl" needs UndecidableInstances.
The reason is that instances like
> instance MonadSta... | {"url":"http://comments.gmane.org/gmane.comp.lang.haskell.cafe/102928","timestamp":"2014-04-20T21:02:20Z","content_type":null,"content_length":"7109","record_id":"<urn:uuid:62f427fe-caf2-494a-968c-3f05c336cc44>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00247-ip-10-147-4-33.ec2.in... |
A ConnundrumA Connundrum
Here is a question. It’s a sort of subtle question, but one that can be answered with freshman-level physics. But it’s an excellent test of understanding. I’m not promising that the question itself
is not in some sense a “trick” question, but the trick is in how you might think about the physic... | {"url":"http://scienceblogs.com/builtonfacts/2009/03/18/a-connundrum/","timestamp":"2014-04-16T04:47:22Z","content_type":null,"content_length":"80189","record_id":"<urn:uuid:d8f92817-0495-4f59-9c07-f60110f43d72>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00643-ip-10-147-4-33.ec2.i... |
Napa Calculus Tutors
...I got an A in the class and I understood the concepts and proofs. I didn't have that good of a teacher, so I mainly had to teach myself through my textbook and another one. I did not like the
textbook and thought that class made differential equations more confusing than it should be.
34 S... | {"url":"http://www.algebrahelp.com/Napa_calculus_tutors.jsp","timestamp":"2014-04-19T07:32:03Z","content_type":null,"content_length":"24797","record_id":"<urn:uuid:dcfee989-08e5-43ea-9367-4ac036f16f3c>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00091-ip-10-147-4-33.ec2.internal.wa... |
The Boardman-Vogt tensor product of operadic bimodules
Seminar Room 1, Newton Institute
(Joint work with Bill Dwyer.) The Boardman-Vogt tensor product of operads endows the category of operads with a symmetric monoidal structure that codifies interchanging algebraic structures. In this
talk I will explain how to lift t... | {"url":"http://www.newton.ac.uk/programmes/GDO/seminars/2013040311301.html","timestamp":"2014-04-20T03:17:49Z","content_type":null,"content_length":"3966","record_id":"<urn:uuid:8c0a216c-0eee-48fa-9201-17b118f5cf32>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00436-ip-10-147-4-33.e... |
Advanced Functions question, would love some help
February 17th 2013, 01:57 PM #1
Feb 2013
Advanced Functions question, would love some help
Experiment Problem... please help.
Another Experiment is performed using coins. This time, the experimenter starts with 4 coins. Each time she tosses the coins into th... | {"url":"http://mathhelpforum.com/new-users/213277-advanced-functions-question-would-love-some-help.html","timestamp":"2014-04-19T21:47:03Z","content_type":null,"content_length":"32677","record_id":"<urn:uuid:9fe0d048-2c33-4b4e-b053-7e62e2d4d503>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-2014041... |
Monads are Elephants Part 1
Introductions to monads are bit of cottage industry on the Internet. So I figured, "why buck tradition?" But this article will present Scala's way of dealing with monads.
An ancient parable goes that several blind men were experiencing their first elephant. "It's a tree," one said while wrap... | {"url":"http://james-iry.blogspot.com.au/2007/09/monads-are-elephants-part-1.html","timestamp":"2014-04-16T13:46:12Z","content_type":null,"content_length":"84042","record_id":"<urn:uuid:afa2fba2-cd7c-41af-aecf-d8df7e100ce4>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00221-ip-10-14... |
Haverford SAT Math Tutor
Find a Haverford SAT Math Tutor
I have been a teacher and tutor for more than 20 years. Today, I am an Instructional Aide at Harriton High School, and assist special education and regular students daily in all subjects: math,
physics, chemistry, English, history, writing. As such, I am fami... | {"url":"http://www.purplemath.com/haverford_sat_math_tutors.php","timestamp":"2014-04-18T13:37:42Z","content_type":null,"content_length":"24031","record_id":"<urn:uuid:ddc68932-a9da-472f-8aa4-f831ff71b732>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00571-ip-10-147-4-33.ec2.interna... |
Summary: The Problem
of Malfatti: Two
Centuries of Debate
MARCO ANDREATTA, ANDRA“S BEZDEK AND JAN P. BORON“SKI
ianfrancesco Malfatti (Figure 1) was a brilliant
Italian mathematician born in 1731 in a small
village in the Italian Alps, Ala, near Trento. He first
studied at a Jesuit school in Verona, then at the Universi... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/611/2652929.html","timestamp":"2014-04-18T09:50:44Z","content_type":null,"content_length":"7953","record_id":"<urn:uuid:d18b3aff-c473-4936-9ee2-2d7f01d01f9c>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00266-ip-10-147-4... |
the encyclopedic entry of parallelogram
In geometry, a parallelogram is a quadrilateral with two sets of parallel sides. The opposite sides of a parallelogram are of equal length, and the opposite angles of a parallelogram are congruent.
The three-dimensional counterpart of a parallelogram is a parallelepiped.
• The ... | {"url":"http://www.reference.com/browse/parallelogram","timestamp":"2014-04-17T02:20:00Z","content_type":null,"content_length":"87242","record_id":"<urn:uuid:61f34560-0186-4ebd-8567-bb954e3d0b2b>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00539-ip-10-147-4-33.ec2.internal.warc.gz"} |
D. J. Bernstein
Authenticators and signatures
A state-of-the-art public-key signature system
Signatures; verification
A signature of a message m under a public key pq has four pieces:
• An integer e in {1,-1}.
• An integer f in {1,2}.
• An integer r in {0,1,...,15}.
• An integer s in {0,1,...,2^1536-1}.
The pie... | {"url":"http://cr.yp.to/sigs/verify.html","timestamp":"2014-04-16T10:59:48Z","content_type":null,"content_length":"1733","record_id":"<urn:uuid:1e58bc2d-0911-4da7-8a41-01369d2c9cfe>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00262-ip-10-147-4-33.ec2.internal.warc.gz"} |
Braingle: 'Who Likes Whom ?' Brain Teaser
Who Likes Whom ?
Logic puzzles require you to think. You will have to be logical in your reasoning.
Puzzle ID: #19154
Category: Logic
Submitted By: lesternoronha1
The relationships of a person X with 3 people P, Q and R are given below.
1) X likes at least one of th... | {"url":"http://www.braingle.com/brainteasers/19154/who-likes-whom-.html","timestamp":"2014-04-17T12:38:17Z","content_type":null,"content_length":"23151","record_id":"<urn:uuid:27fbb766-30e8-4c94-ba83-4faf1f9df2a9>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00618-ip-10-147-4-33.ec2... |
Tutorial Series - A simple 3D game
Hey guys. I wanted to do a tutorial for a simple 3D game. I hope that this tutorial will help people to better understand a couple of concepts that I had trouble with when first learning how to write
a game for OpenGl. Specifically, I will try to explain the following concepts that I ... | {"url":"http://www.anddev.org/android-2d-3d-graphics-opengl-tutorials-f2/tutorial-series-a-simple-3d-game-t14268.html","timestamp":"2014-04-20T01:09:44Z","content_type":null,"content_length":"42609","record_id":"<urn:uuid:80299ba8-2018-4392-b8a1-8b263483ccb3>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC... |
graph problem
April 15th 2010, 11:38 PM
graph problem
Can any body help me with this?
Show that if G is a simple graph with n vertices, where each vertex has degree => 1/2*(n-1),then G must be connected.
My answer is,
Total number of degrees of graph are atleast 1/2*n*(n-1)
for complete grah q = 1/2... | {"url":"http://mathhelpforum.com/discrete-math/139456-graph-problem-print.html","timestamp":"2014-04-20T06:44:22Z","content_type":null,"content_length":"3353","record_id":"<urn:uuid:16f9584f-132f-4210-ab23-b18cdf0ad716>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00216-ip-10-147-4-... |
Solving Constraint Satisfaction Problems Using Finite State Automata
Nageshwara Rao Vempaty
In this paper, we explore the idea of representing CSPs using techniques from formal language theory. The solution set of a CSP can be expressed as a regular language; we propose the minimized
deterministic finite state automato... | {"url":"http://aaai.org/Library/AAAI/1992/aaai92-070.php","timestamp":"2014-04-16T19:43:29Z","content_type":null,"content_length":"3147","record_id":"<urn:uuid:86fc81e7-cb12-48bb-be74-30d0482484eb>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00178-ip-10-147-4-33.ec2.internal.warc.g... |
[SPAM-Bayes] - Re: Converting IBM Floats..Help.. - Bayesian Filter detected spam
[SPAM-Bayes] - Re: Converting IBM Floats..Help.. - Bayesian Filter detected spam
Jeff Epler jepler at unpythonic.net
Thu Mar 25 20:51:57 CET 2004
> Bayesian Filter detected spam
huh -- sorry your filter thought I was spam, I'm glad you fou... | {"url":"https://mail.python.org/pipermail/python-list/2004-March/264379.html","timestamp":"2014-04-18T06:15:03Z","content_type":null,"content_length":"7386","record_id":"<urn:uuid:d63b3aad-7bbf-4af0-96f7-d4edb2513154>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00415-ip-10-147-4-33... |
Complete characterization and synthesis of the response function of elastodynamic networks
Seminar Room 1, Newton Institute
In order to characterize what exotic properties elastodynamic composite materials with high contrast constituents can have in the continuum it makes sense to first understand what behaviors discre... | {"url":"http://www.newton.ac.uk/programmes/AGA/seminars/2010072809001.html","timestamp":"2014-04-19T20:08:08Z","content_type":null,"content_length":"6569","record_id":"<urn:uuid:8aec7ead-ffdb-44e2-913d-0d08692e8dc4>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00404-ip-10-147-4-33.e... |
Why God is Cruciform
Next message: bivalve: "tripods"
...and how it causes the "cruciform"
shape of the Human Body and results
in the scientific proof of God (SPOG)
...........As an
example, many PhD's in Physics are familiar with General Relativity,
but few of them can tell you why real space is Riemannian (i.e. has
a... | {"url":"http://www2.asa3.org/archive/asa/200108/0448.html","timestamp":"2014-04-16T22:10:57Z","content_type":null,"content_length":"17644","record_id":"<urn:uuid:057eb6f1-e07c-4b87-9b3e-23a0eff267e2>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00481-ip-10-147-4-33.ec2.internal.warc.... |
Students who need mechanics help have certainly come to the right place. We’re ready to provide the mechanics help that you need at all hours of the day. We can offer quantum mechanics help or
perhaps something a bit less obscure. Some instructors place a great deal of emphasis on subatomic particles, s... | {"url":"http://www.physicshomeworkhelp.org/our-physics-homework-solver/mechanics-help/","timestamp":"2014-04-24T13:43:31Z","content_type":null,"content_length":"35991","record_id":"<urn:uuid:ea9287b7-4ab4-4117-a917-fcf4f45fc462>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00417-ip-1... |
Analog Integrated Circuit Design 2nd Edition Chapter 5 Solutions | Chegg.com
Here we have to determine the resulting variations in the closed loop gain if the closed loop gain varies by
Here value of gain, (A) is 30
Normal gain
Feedback factor is
Substitute 30 for A in equation (1) to obtain | {"url":"http://www.chegg.com/homework-help/analog-integrated-circuit-design-2nd-edition-chapter-5-solutions-9781118213735","timestamp":"2014-04-24T23:14:52Z","content_type":null,"content_length":"31664","record_id":"<urn:uuid:76ab8969-d368-4504-9e36-d0828fa60968>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/war... |
Preprints (rote Reihe) des Fachbereich Mathematik
62 search hits
A family of Cohen-Macaulay Modules over Singularities of Type Xt+Y^3 (1997)
Gerhard Pfister Dorin Popescu
An economic approach to discretization of nonstationary iterated Tikhonov method (2002)
Sergei G. Solodky
An adaptive discretization scheme of il... | {"url":"https://kluedo.ub.uni-kl.de/solrsearch/index/search/searchtype/series/id/16166/start/0/rows/10/doctypefq/preprint/sortfield/title/sortorder/asc","timestamp":"2014-04-17T07:44:59Z","content_type":null,"content_length":"42936","record_id":"<urn:uuid:25e58d1d-d8e4-41ba-84ac-5b4a8af6f2b9>","cc-path":"CC-MAIN-2014-1... |
Buena Park Geometry Tutor
Find a Buena Park Geometry Tutor
...Most of my teaching assignments were at the junior or senior high school level. I have been a Science Fair Mentor, Coordinator District Judge. I love to learn and to share my love of learning.
19 Subjects: including geometry, chemistry, reading, Englis... | {"url":"http://www.purplemath.com/Buena_Park_Geometry_tutors.php","timestamp":"2014-04-18T09:05:10Z","content_type":null,"content_length":"23992","record_id":"<urn:uuid:d58e5712-98e4-453e-a098-942f6d22d7f7>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00097-ip-10-147-4-33.ec2.interna... |
Honors Geometry Final Formulas
31 terms · The formulas that were on our final review sheet
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Oxford Workshop in Quantum Mathematics and Computation
Posted by Simon Willerton
Guest post by Bruce Bartlett
The newly-created Centre for Quantum Mathematics and Computation (QMAC) at the University of Oxford is holding an inaugural research workshop from October 1-4, 2013, and you are invited to attend.
The workshop ... | {"url":"http://golem.ph.utexas.edu/category/2013/08/oxford_workshop_in_quantum_mat.html","timestamp":"2014-04-19T06:52:39Z","content_type":null,"content_length":"20536","record_id":"<urn:uuid:a121a552-88bb-4156-befe-8a27212fa42c>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00481-ip... |
What is it Like to Have an Understanding of Very Advanced Mathematics?
(above: Paul Dirac, who was totally rad and probably could’ve answered this question)
My friend Bill pointed out a terrific question recently asked on Quora: “what is it like to have an understanding of very advanced mathematics?” — something I’ve d... | {"url":"http://www.adafruit.com/blog/2011/12/29/what-is-it-like-to-have-an-understanding-of-very-advanced-mathematics/","timestamp":"2014-04-17T09:48:11Z","content_type":null,"content_length":"35809","record_id":"<urn:uuid:0b860a4a-f399-49d2-b827-6e0107a9e67e>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/... |
Results 1 - 10 of 11
, 1997
"... In many applications, it is necessary to determine the similarity of two strings. A widely-used notion of string similarity is the edit distance: the minimum number of insertions, deletions, and
substitutions required to transform one string into the other. In this report, we provide a ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=965182","timestamp":"2014-04-21T08:47:01Z","content_type":null,"content_length":"36566","record_id":"<urn:uuid:23fbc364-920a-429e-ab73-b0f69e7b2819>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00250-ip-10-147-4-33.ec2.internal.war... |
Random sample from a continuous type dist
March 4th 2009, 04:27 PM #1
Junior Member
Nov 2008
Random sample from a continuous type dist
Let X1,X2,,,,Xn be a random sample from a continuous type distribution
a) find P(X1<=X2),P(X1<=X2,X1<=X3),...,P(X1<=Xi, i=2,3,...,n).
(The answer for this is 1/n but I a... | {"url":"http://mathhelpforum.com/advanced-statistics/76961-random-sample-continuous-type-dist.html","timestamp":"2014-04-18T18:29:27Z","content_type":null,"content_length":"34139","record_id":"<urn:uuid:0065ca22-1461-4fa3-bfd7-812ae0037612>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-2014041600521... |
Boundary value problems associated with generalized Q-holomorphic functions
In this work, we discuss Riemann-Hilbert and its adjoint homogeneous problem associated with generalized Q-holomorphic functions and investigate the solvability of the Riemann-Hilbert problem.
generalized Beltrami systems; Q-holomorphic functio... | {"url":"http://www.boundaryvalueproblems.com/content/2013/1/33?fmt_view=mobile","timestamp":"2014-04-21T05:45:25Z","content_type":null,"content_length":"126100","record_id":"<urn:uuid:d76326b0-2cee-433a-9dbb-ac5e02bee590>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00607-ip-10-147-... |
Solving Linear Systems
Many calculations involve solving systems of linear equations. In many cases, you will find it convenient to write down the equations explicitly, and then solve them using Solve.
In some cases, however, you may prefer to convert the system of linear equations into a matrix equation, and then appl... | {"url":"http://reference.wolfram.com/mathematica/tutorial/SolvingLinearSystems.html","timestamp":"2014-04-17T12:46:30Z","content_type":null,"content_length":"61802","record_id":"<urn:uuid:1697a736-e7fd-43fd-9e81-d9caf6458aad>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00484-ip-10-... |
homotopy groups for good rings
up vote 2 down vote favorite
I think this question should already be abound in literature but the only place I find is from this article:
which seems to be elaborating this definition:
but unfortunately as I do not understand much algebraic geometry I do not how to make use of this defini... | {"url":"http://mathoverflow.net/questions/57765/homotopy-groups-for-good-rings/61731","timestamp":"2014-04-20T11:33:20Z","content_type":null,"content_length":"58696","record_id":"<urn:uuid:ee1365ac-e71f-40c2-acb9-d385c57a61a7>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00125-ip-10... |
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Could someone please help me with sqrt(3) tan2x=0
• one year... | {"url":"http://openstudy.com/updates/50080bd0e4b020a2b3bd531d","timestamp":"2014-04-18T03:54:59Z","content_type":null,"content_length":"205448","record_id":"<urn:uuid:3e74ce47-3f8a-45f7-a7f9-308527dae614>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00348-ip-10-147-4-33.ec2.internal... |
The Nature of Space and Time: An Evening of Speculation
What is space? What is time? And how do we fit into it all? These are questions not only for physicists and mathematicians, but also for philosophers and theologians. The John Templeton Foundation
has gathered together just such an eclectic mix of people for a pub... | {"url":"http://plus.maths.org/content/nature-space-and-time-evening-speculation","timestamp":"2014-04-19T04:31:01Z","content_type":null,"content_length":"32631","record_id":"<urn:uuid:e1852326-0a9a-4e04-8fad-d70a4137ec35>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00146-ip-10-147-... |
Problems 4.5
4.5 Single-bus transportation system This problem illustrates, once more, one of the main themes of this book-that the "obvious" thing to do does not always produce the best results. For several
types of urban transportation systems (e.g., buses, elevator banks, subways, etc.) it is sometimes better to del... | {"url":"http://web.mit.edu/urban_or_book/www/book/chapter4/problems4/4.5.html","timestamp":"2014-04-19T07:13:49Z","content_type":null,"content_length":"5605","record_id":"<urn:uuid:2e35300f-a899-48a1-9a4f-4623e7b52172>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00240-ip-10-147-4-3... |
Nonlinear Fluid Models for Biofluid Flow in Constricted Blood
Vessels under Body Accelerations: A Comparative Study
Journal of Applied Mathematics
Volume 2012 (2012), Article ID 950323, 27 pages
Research Article
Nonlinear Fluid Models for Biofluid Flow in Constricted Blood Vessels under Body Accelerations: A Comparativ... | {"url":"http://www.hindawi.com/journals/jam/2012/950323/","timestamp":"2014-04-18T02:39:01Z","content_type":null,"content_length":"665688","record_id":"<urn:uuid:b5ddd586-2528-4110-ad8c-6edaade66b7c>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00619-ip-10-147-4-33.ec2.internal.warc... |
Kedlaya, Kiran Sridhara - Department of Mathematics, Massachusetts Institute of Technology (MIT)
• Getting precise about precision Kiran S. Kedlaya (kedlaya@mit.edu)
• Numerical p-adic integration and (potential) applications to rational points
• Weil Numbers in Prime Cyclotomic Fields Kiran S. Kedlaya
• A co... | {"url":"http://www.osti.gov/eprints/topicpages/documents/starturl/17/349.html","timestamp":"2014-04-16T19:52:28Z","content_type":null,"content_length":"18286","record_id":"<urn:uuid:bb9d44bb-5b9b-47d4-9a5f-594512cc54ba>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00607-ip-10-147-4-... |
Math Tutors in Snohomish County, WA
Everett, WA 98208
Experienced ACT and SAT tutor, former teacher
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to those who hate it. I disl... | {"url":"http://www.wyzant.com/Snohomish_County_WA_Math_tutors.aspx","timestamp":"2014-04-17T19:07:28Z","content_type":null,"content_length":"61319","record_id":"<urn:uuid:c5fa4941-88c5-44be-9750-bc38c8dae4b4>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00212-ip-10-147-4-33.ec2.inte... |
Linden, NJ Prealgebra Tutor
Find a Linden, NJ Prealgebra Tutor
...B. Saul Agricultural and Murrell Dobbins High Schools in Philadelphia. My previous experiences with education have been through The Johns Hopkins University CTY Summer Program as a Resident
Assistant and Teaching Assistant.
26 Subjects: including p... | {"url":"http://www.purplemath.com/Linden_NJ_Prealgebra_tutors.php","timestamp":"2014-04-21T10:26:28Z","content_type":null,"content_length":"23980","record_id":"<urn:uuid:335b9428-901b-413e-8541-bb24183a39cd>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00033-ip-10-147-4-33.ec2.intern... |
A question about local connectedness in metric spaces
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Must every compact and connected metric space be locally connected at at least one of its points?
Umm.. I just noticed... | {"url":"http://mathoverflow.net/questions/86136/a-question-about-local-connectedness-in-metric-spaces/86140","timestamp":"2014-04-18T18:50:45Z","content_type":null,"content_length":"76495","record_id":"<urn:uuid:08625ef9-7ad1-49d8-b6fc-2ade60e64fb8>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-2014... |
Details of Publications
Andrew D. Gordon: Details of Publications
· Cryptographic Verification by Typing for a Sample Protocol Implementation. C. Fournet and K. Bhargavan. In Foundations of Security Analysis and Design VI (FOSAD), Bertinoro, 2010. Springer LNCS,
Type systems are effective tools for verifying the secur... | {"url":"http://research.microsoft.com/en-us/um/people/adg/Publications/details.htm","timestamp":"2014-04-18T10:34:44Z","content_type":null,"content_length":"198625","record_id":"<urn:uuid:a75a0b16-db7b-41ee-83bb-e5506fdabc1c>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00230-ip-10-... |
Posts about Brad Efron on Xi'an's Og
“In place of past experience, frequentism considers future behavior: an optimal estimator is one that performs best in hypothetical repetitions of the current experiment. The resulting gain in
scientific objectivity has carried the day…”
Julien Cornebise sent me this Science... | {"url":"http://xianblog.wordpress.com/tag/brad-efron/","timestamp":"2014-04-16T17:01:48Z","content_type":null,"content_length":"99132","record_id":"<urn:uuid:731bdc87-1136-44b6-bb9e-ccf7dd9f970c>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00292-ip-10-147-4-33.ec2.internal.warc.gz"... |
A.12 The optional Floating-Point word set
The Technical Committee has considered many proposals dealing with the inclusion and makeup of the Floating-Point Word Sets in ANS Forth. Although it has been argued that ANS Forth should not address
floating-point arithmetic and numerous Forth applications do not need floating... | {"url":"http://www.taygeta.com/forth/dpansa12.htm","timestamp":"2014-04-17T06:41:46Z","content_type":null,"content_length":"11684","record_id":"<urn:uuid:b6688012-5e47-4e2b-a758-f10ab36c0833>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00274-ip-10-147-4-33.ec2.internal.warc.gz"} |
[Numpy-discussion] iterate over multiple arrays
David Froger david.froger@gmail....
Sat Oct 1 11:21:43 CDT 2011
Thanks everybody for the different solutions proposed, I really appreciate.
What about this solution? So simple that I didn't think to it...
import numpy as np
from numpy import *
def f(arr):
return arr*... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2011-October/058607.html","timestamp":"2014-04-17T13:28:24Z","content_type":null,"content_length":"2852","record_id":"<urn:uuid:345f2e85-8e85-4880-b0b8-7a66fe23ebdf>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00289-ip-10-147-... |
Linear transformation formula
October 23rd 2012, 07:20 PM
Linear transformation formula
I am trying to understand and solve the following problem:
Let T: $R^2 -> R^2$ be a linear transformation. Find a formula for $T(x_{1}, x_{2})$ given that
$T(4,7) = (3,4)$ and $T(3,5) = (4,9)$
My attempt:
Now the... | {"url":"http://mathhelpforum.com/advanced-algebra/205976-linear-transformation-formula-print.html","timestamp":"2014-04-18T21:52:05Z","content_type":null,"content_length":"38565","record_id":"<urn:uuid:9eb25f2a-e99d-49c2-b95f-5588f6f2f3ab>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215... |
Map Projections
An Exercise In Precision Agriculture
Module 5, Exercise 1
State Plane Coordinate Conversion
The global positioning system (GPS) has been adopted by many U.S. grain producers as a method for referencing geographic and agronomic data in a geographic information system (GIS) database. GPS
fixes take the... | {"url":"http://www.bae.uky.edu/precag/modules/mod5ex1.htm","timestamp":"2014-04-17T03:49:21Z","content_type":null,"content_length":"15681","record_id":"<urn:uuid:02ef9f8f-cee2-48cf-83cf-f27837a65777>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00633-ip-10-147-4-33.ec2.internal.warc... |
FOM: Re:no recursive independent axiomatization
Harvey Friedman friedman at math.ohio-state.edu
Fri Dec 19 00:54:03 EST 1997
This posting is a sequel to my 8:05PM 12/18/97 posting.
1. Replace the sentence "To see iii), suppose W[e] is nonempty. Note that
by the 1-consistency of PA1 + A, PA1 + A + W[e] is empty is consi... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1997-December/000587.html","timestamp":"2014-04-20T12:00:26Z","content_type":null,"content_length":"6736","record_id":"<urn:uuid:17482cb1-b63a-4e26-906e-e9e80c273c6b>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00144-ip-10-147-4-33.ec2.in... |
Probability on infinite sets and the Kalaam argument
Suppose there is an infinite line of paving stones, labeled 1, 2, 3, ..., on each of which there is a blindfolded person. You are one of these persons. That's all you know. How likely is it you're on
a number not divisible by ten? The obvious answer is: 9/10. But now... | {"url":"http://alexanderpruss.blogspot.com/2010/03/probability-on-infinite-sets-and-kalaam.html","timestamp":"2014-04-19T19:45:50Z","content_type":null,"content_length":"368049","record_id":"<urn:uuid:ac0bcceb-89b5-4527-9c4b-05fbf9d5e7b4>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217... |
Physics Forums - View Single Post - What is the curl of a electric field?
This should be simple but I know I'm going wrong somewhere and I can't figure out where.
The curl of a electric field is zero,
i.e. [itex]\vec { \nabla } \times \vec { E } = 0[/itex]
Because , no set of charge, regardless of their size and posit... | {"url":"http://www.physicsforums.com/showpost.php?p=4260665&postcount=1","timestamp":"2014-04-19T17:40:45Z","content_type":null,"content_length":"9194","record_id":"<urn:uuid:8cfe19fd-e956-4460-8a79-d99fb85a97ba>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00520-ip-10-147-4-33.ec2.... |
Probability please help
November 6th 2009, 01:52 PM #1
Probability please help
I have two probability story problems that I can't figure out. Here they are:
Mrs. Miller manages a restaurant which is currently hiring. On Friday she interviewed 6 dishwashers, 1 line cook and 5 waiters. On Saturday she interviewed... | {"url":"http://mathhelpforum.com/statistics/112831-probability-please-help.html","timestamp":"2014-04-23T19:30:51Z","content_type":null,"content_length":"38574","record_id":"<urn:uuid:2803c1f2-7893-4984-9bbe-266b711e59b0>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00519-ip-10-147-4... |
• Units of Work
• Number and Algebra
• Level Four
This unit begins with Freudenthal’s (1983) annihilation model for demonstrating the addition and subtraction of integers then goes on to introduce other representations. It is designed for students
working at Stage 7 of the Number Framework who are able to choose ap... | {"url":"http://nzmaths.co.nz/taxonomy/term/179?page=18","timestamp":"2014-04-18T18:25:54Z","content_type":null,"content_length":"30345","record_id":"<urn:uuid:4c052347-f8b6-4884-b634-c6a432b7bfd7>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00227-ip-10-147-4-33.ec2.internal.warc.gz"... |
How solve a trigometric function
Hey everybody.
I have the following trig function and I have to simplify it so that it will only have sintheta in it. Can you show me how to do that?:
9.78049(1+0.005288sinsquaredx - 0.000006sinsquared2x) (m/ssquared)
I tried pulling out a sinx, but that only seemed to c... | {"url":"http://mathhelpforum.com/trigonometry/88355-how-solve-trigometric-function.html","timestamp":"2014-04-18T21:59:46Z","content_type":null,"content_length":"45456","record_id":"<urn:uuid:72696e99-f41b-4eb5-9735-2b18ee5b2b6b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00119-ip-... |
Overview Package Class Use Tree Deprecated Index Help
PREV CLASS NEXT CLASS FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD
Class ConditionalSumOfSquares
All Implemented Interfaces:
public class ConditionalSumOfSquares
extends Object
implements ARMAF... | {"url":"http://www.numericalmethod.com/javadoc/suanshu/com/numericalmethod/suanshu/stats/timeseries/linear/univariate/stationaryprocess/arma/ConditionalSumOfSquares.html","timestamp":"2014-04-16T07:14:10Z","content_type":null,"content_length":"30502","record_id":"<urn:uuid:06f09eab-fa36-4bc2-97f6-2671f37961e0>","cc-pat... |
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... | {"url":"http://www.mathisfunforum.com/post.php?tid=19138&qid=258867","timestamp":"2014-04-16T21:52:52Z","content_type":null,"content_length":"22747","record_id":"<urn:uuid:2078e823-56fd-49be-9dd7-532d34feb095>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00264-ip-10-147-4-33.ec2.inte... |
A135017 - OEIS
%S 0,0,1,0,2,1,3,5,7,15,20,48,60,156,205,489,761,1572,2796,5357,10174,
%T 19021,37272,69375,137759,258444,513696,976890,1934900,3727164,
%U 7358675,14316861,28217028,55288907,108942267,214462953,422973649
%N a(n) = number of strings of length n that can be obtained by starting with abc and repeatedly dou... | {"url":"http://oeis.org/A135017/internal","timestamp":"2014-04-19T04:54:53Z","content_type":null,"content_length":"8762","record_id":"<urn:uuid:36066969-2865-4684-ae3d-ada6bf6bfdfd>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00160-ip-10-147-4-33.ec2.internal.warc.gz"} |
A Rocket in the Air
December 5th 2009, 05:35 AM #1
Dec 2009
A Rocket in the Air
A rocket loaded with fireworks is to be shot vertically upward from the ground level with an initial velocity of 200 feet per second. When the rocket reaches a height of 400 feet on its upward
trip, the fireworks will be detonat... | {"url":"http://mathhelpforum.com/pre-calculus/118618-rocket-air.html","timestamp":"2014-04-20T09:05:19Z","content_type":null,"content_length":"50542","record_id":"<urn:uuid:09163a5f-8780-41be-8bf2-5b4c8c7952b6>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00158-ip-10-147-4-33.ec2.int... |
3rd time I need help on this! :(
September 20th 2007, 02:55 PM #1
Junior Member
Sep 2007
Oregon, West Coast ^_^
I still don't understand these. Can someone help me on these equations? And show me how to do them step by step so I can do them on my own in the future?
$3x-1/<br /> 4=-5/11$
$3x/4<br /> ... | {"url":"http://mathhelpforum.com/algebra/19266-3rd-time-i-need-help.html","timestamp":"2014-04-16T05:11:42Z","content_type":null,"content_length":"35048","record_id":"<urn:uuid:db41ebbe-92b3-4adc-9b92-f57648345356>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00182-ip-10-147-4-33.ec... |
Summary: 1. Phys. A: Math, Gen. 28 (1995) 3567-3578. Printed in the UK
Numerical investigation of correlation functions for the
UqSU(2)invariant spin-; Heisenberg chain
Peter F Arndt and Thomas Heinzel
PhysikalischesInstitut. Universitu Bonn, NuEallee 12,53115 Bonn, Germany
Received 8 March 1995
AbstracL We consider.th... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/038/1777402.html","timestamp":"2014-04-20T19:17:42Z","content_type":null,"content_length":"8645","record_id":"<urn:uuid:a0ff52ec-b3aa-4c7c-8393-3b78d79a4bd3>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00514-ip-10-147-... |
Equation of a Straight Line
I've never heard of any of the equations in this thread. In my studies I have always used
where ζ is Riemann's zeta function, Γ(x) is the gamma function, ∇ is the del operator, L
denotes the inverse Laplace transform, T
is the nth Chebyshev polynomial of the first kind, C is a simple closed ... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=39104","timestamp":"2014-04-16T16:01:54Z","content_type":null,"content_length":"40426","record_id":"<urn:uuid:63dfc031-2e9b-43cf-80f8-d5c01a393833>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00538-ip-10-147-4-33.ec2.internal.... |
January/February 2006
Roll Model
Simulating a Savings Plan Account Balance
By Richard M. Rasiej
Could stochastic modeling help Social Security actuaries achieve more accurate forecasts than traditional deterministic methods? It’s an idea they’ve been looking at for a few years. Here, in a
... | {"url":"http://www.contingencies.org/janfeb06/roll_model_0106.asp","timestamp":"2014-04-19T14:48:49Z","content_type":null,"content_length":"21576","record_id":"<urn:uuid:7b21ed88-b97a-49f8-b3b3-3362e536e254>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00534-ip-10-147-4-33.ec2.intern... |
Small Business Formula For Price List
I need to complete my business price list. Basically it's an XL sheet with all my suppliers products listed, there price, my margins, and my retail price and bulk price. Currently I'm fiddling with
my margins and the best way to implement a formula to reflect these margins. Rather ... | {"url":"http://excel.bigresource.com/Small-Business-Formula-for-Price-List-liyCw87D.html","timestamp":"2014-04-18T06:04:34Z","content_type":null,"content_length":"69516","record_id":"<urn:uuid:169e524c-3b55-4c21-8801-aebd9755248a>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00461-ip... |
Michael Atiyah
Born 1929. Fellow of Trinity College, Cambridge 1954 and
1958. Friend and colleague of
, who was a Research Fellow at St John's College. Unlike Penrose, who moved into mathematical physics, Atiyah continued to specialize in differential geometry and topology. Winner of the
1966. Supervisor of
in his rese... | {"url":"http://c2.com/cgi/wiki?MichaelAtiyah","timestamp":"2014-04-21T03:53:18Z","content_type":null,"content_length":"4217","record_id":"<urn:uuid:facb1ca7-3b26-4e36-839c-ec23600a140d>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00408-ip-10-147-4-33.ec2.internal.warc.gz"} |
Physics Forums - View Single Post - How to calculate the Euler class of a sphere bundle?
Thank you lavinia and zhentil!
To lavinia,I'm not very clear about some property of Euler class you listed,my foundation of topology is quite insufficient.The derivation of the global angular form for an oriented 2 plane bundle
:b... | {"url":"http://www.physicsforums.com/showpost.php?p=3666178&postcount=5","timestamp":"2014-04-16T13:45:36Z","content_type":null,"content_length":"9722","record_id":"<urn:uuid:17865323-b337-47d4-add7-23407efd1e01>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00534-ip-10-147-4-33.ec2.... |
Brain Teaser Question: Grade 5, Chapter 8
Mrs. Hopkins made four different pies for the fair. Each pie was the same size. At the fair, she cut the blueberry pie into 6 equal slices, the apple pie into 5 equal slices, the peach pie into 3
equal slices, and the chocolate pie into 4 equal slices.
Alyssa, Dalton, Rowan, an... | {"url":"http://www.eduplace.com/kids/mhm/brain/gr5/ch08/bt_05_08_q.html","timestamp":"2014-04-20T19:30:40Z","content_type":null,"content_length":"5445","record_id":"<urn:uuid:8d1dc9cf-1743-4edf-8999-598b519cec77>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00058-ip-10-147-4-33.ec2.... |
Santa Fe Springs Calculus Tutor
Find a Santa Fe Springs Calculus Tutor
...It is here that students are introduced to some advanced mathematical concepts such as limits, differentiation and integration. Physics is my passion. It describes how the world around us
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September 19th 2008, 06:06 PM
The seventh term of a geometric progression is 0.775 and the ninth term is 0.995.
(a) Find the common ratio (to 3 decimal places).
(b) List the first three terms of the geometric progression (to 6 decimal places).
(c) Find the sum of the first ten terms (to 3 decimal places... | {"url":"http://mathhelpforum.com/algebra/49803-progression-print.html","timestamp":"2014-04-20T16:27:28Z","content_type":null,"content_length":"8089","record_id":"<urn:uuid:e98b1125-64b0-4dfe-9e47-4e57b07eb502>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00121-ip-10-147-4-33.ec2.in... |
Multi-scale algorithm for the linear arrangement problem
Results 1 - 10 of 21
- IEEE Transactions on Visualization and Computer Graphics , 2006
"... Abstract — MatrixExplorer is a network visualization system that uses two representations: node-link diagrams and matrices. Its design comes from a list of requirements fo... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=447385","timestamp":"2014-04-21T03:06:10Z","content_type":null,"content_length":"39592","record_id":"<urn:uuid:209cec2f-288f-44b9-820e-683810c0227f>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00320-ip-10-147-4-33.ec2.internal.war... |
Complex Activities
This core theory provides the foundation for representing and reasoning about complex activities and the relationship between occurrences of an activity and occurrences of its subactivities.
Occurrences of complex activities correspond to sets of occurrences of subactivities; in particular, these set... | {"url":"http://www.mel.nist.gov/psl/psl-ontology/part12/complex_page.html","timestamp":"2014-04-16T07:13:42Z","content_type":null,"content_length":"4945","record_id":"<urn:uuid:8fc04327-d991-41ca-a3bb-55bb0e5847bc>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00389-ip-10-147-4-33.ec2... |
The hidden computation steps of turbo Abstract State Machines
- Journal Theoretical Computer Science , 2004
"... We propose a structured mathematical definition of the semantics of C# programs to provide a platform-independent interpreter view of the language for the C# programmer, which can also be used
for a precise ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=215690","timestamp":"2014-04-18T11:50:11Z","content_type":null,"content_length":"24393","record_id":"<urn:uuid:15b8a195-d74b-4908-abbb-bc198e41b01f>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00142-ip-10-147-4-33.ec2.internal.war... |
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is replying to Can someone tell me what button the professor is hitting...
• Teamwork 19 T... | {"url":"http://openstudy.com/users/aisha...with_every1/asked","timestamp":"2014-04-20T18:55:46Z","content_type":null,"content_length":"48774","record_id":"<urn:uuid:011051f9-d897-4e7e-91c2-2557237d7487>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00113-ip-10-147-4-33.ec2.internal.w... |
I hear we signed a new FA
January 5, 2010
I’m not going to re-hash analysis I’ve already done on Holliday in other places (one, because I can draw inferences from that work as the deal isn’t too different and two I don’t have my simulation
in front of me right now). The assumptions in any analysis like this are key so... | {"url":"http://playahardnine.wordpress.com/2010/01/05/i-hear-we-signed-a-new-fa/","timestamp":"2014-04-19T09:46:39Z","content_type":null,"content_length":"58903","record_id":"<urn:uuid:fcb5b985-8bef-4513-a88a-9512d9a2bf10>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00380-ip-10-147... |
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Topic: Newton's method.
Replies: 1 Last Post: Nov 12, 1996 1:22 PM
Messages: [ Previous | Next ]
Gandal... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=224267","timestamp":"2014-04-21T12:54:06Z","content_type":null,"content_length":"17851","record_id":"<urn:uuid:8384f007-c077-4d66-bd01-6859949fc2ce>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00535-ip-10-147-4-33.ec2.internal.wa... |
Convert kVA to kWh - OnlineConversion Forums
Originally Posted by
Is it possible to convert 20kVA into kWhs?
Not directly. You need to know two things.
1) Power factor: In ac electrical systems, the current and voltage may not be exactly in phase. The product of voltage x current x cos(phase angle) is power. However, t... | {"url":"http://forum.onlineconversion.com/showthread.php?t=13330","timestamp":"2014-04-21T14:46:13Z","content_type":null,"content_length":"63394","record_id":"<urn:uuid:ceb75ac7-010f-471f-b962-55773d72b47a>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00060-ip-10-147-4-33.ec2.intern... |
An approach to the design of sparse array system
, 1997
"... Theory for random arrayspredicts a mean sidelobe level given by the inverse of the number of elements. In practice, however, the sidelobe level fluctuates much around this mean. In this paper
two optimization methods for thinned arrays are given: one is for o... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=2974406","timestamp":"2014-04-16T11:07:20Z","content_type":null,"content_length":"30640","record_id":"<urn:uuid:d0b5d88b-cd6e-43ea-8570-735af83cbee8>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00311-ip-10-147-4-33.ec2.internal.wa... |
Public Parapsychology
Super Bowl XLIII Field RNG Demonstration (Part Two)
By, Bryan Williams
In this post, I provide a basic summary of the procedures, stat... | {"url":"http://publicparapsychology.blogspot.com/2009_01_01_archive.html","timestamp":"2014-04-18T08:02:35Z","content_type":null,"content_length":"172839","record_id":"<urn:uuid:83f2a914-1399-49fe-94bb-dc229bdb9166>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00418-ip-10-147-4-33.e... |
Wolfram Demonstrations Project
The Period of Lunar Tides
The period of tides is not exactly one day but a little bit longer, because the Moon orbits the Earth with a different period than the Earth rotates around its axis. We usually think that "the high
tide is coming," but for an observer who is not standing on the E... | {"url":"http://www.demonstrations.wolfram.com/ThePeriodOfLunarTides/","timestamp":"2014-04-17T06:44:57Z","content_type":null,"content_length":"42417","record_id":"<urn:uuid:cb525af5-0af4-4ef3-be35-090fa41b816f>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00369-ip-10-147-4-33.ec2.in... |
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Anyone who has stayed in math classes long enough to reach calculus quickly comes to believe that calculus is more advanced and complex than arithmetic. And while that may be true for the most
intuitive aspects of arithmetic that we learn in grade school, the seemingly innocent discipline quickly becomes more mysteriou... | {"url":"http://www.catsynth.com/tag/arithmetic-derivative/","timestamp":"2014-04-19T05:36:46Z","content_type":null,"content_length":"48055","record_id":"<urn:uuid:1f6eae84-9409-4666-9e6f-3a56f923a210>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00400-ip-10-147-4-33.ec2.internal.war... |
Sorting a JavaScript array using
Sorting a JavaScript array using array.sort()
Last Updated: June 1st, 2010
Sorting arrays in JavaScript is done via the method array.sort(), a method that's probably as much misunderstood as it is underestimated. While calling sort() by itself simply sorts the array in
lexicographical ... | {"url":"http://www.javascriptkit.com/javatutors/arraysort.shtml","timestamp":"2014-04-19T19:34:25Z","content_type":null,"content_length":"14462","record_id":"<urn:uuid:e82c8c02-c1b5-43ec-8a39-96e1eb2291b4>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00426-ip-10-147-4-33.ec2.interna... |
[FOM] From theorems of infinity to axioms of infinity
Monroe Eskew meskew at math.uci.edu
Tue Mar 19 21:18:29 EDT 2013
On Mar 17, 2013, at 9:51 AM, Nik Weaver <nweaver at math.wustl.edu> wrote:
> You seem to be confusing working within ZFC and reasoning about ZFC.
> You cite relative consistency results *which are theo... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2013-March/017122.html","timestamp":"2014-04-20T21:00:33Z","content_type":null,"content_length":"5798","record_id":"<urn:uuid:366de7ca-012f-4fa9-bd2d-610063eec147>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00655-ip-10-147-4-33.ec2.inter... |
The Density of Coins
Printable view
Students will conduct a science experiment where they will learn that the different denominations have characteristic densities that can be used to help identify the type of coin being used.
Coin Type(s)
Coin Program(s)
Students will learn that the different denominations have charac... | {"url":"http://www.usmint.gov/kids/teachers/lessonPlans/viewLP.cfm?id=65","timestamp":"2014-04-17T21:44:41Z","content_type":null,"content_length":"38456","record_id":"<urn:uuid:cf2aaa58-8434-480d-ac06-6e25607d42ad>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00327-ip-10-147-4-33.ec... |
Hastings On Hudson Statistics Tutor
...People just plug numbers in to equations and report them as if they were "statistics." The problem with this is that they lack the analysis part of the equation. Misused statistics are one of
my pet peeves so I love to help people figure out how to use them properly! Throughou... | {"url":"http://www.purplemath.com/hastings_on_hudson_statistics_tutors.php","timestamp":"2014-04-20T09:13:14Z","content_type":null,"content_length":"24640","record_id":"<urn:uuid:893670c1-2c50-4e1e-8ad6-38421550ef12>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00235-ip-10-147-4-33.e... |
Newest 'random-walk simulation' Questions
In diffusion-limited aggregation on the square lattice, one lets a particle do "random walk from infinity" until it hits the current aggregate, at which point the site occupied by the particle is ...
Consider a random walk on [0, inf) where you start at 0. With probabil... | {"url":"http://mathoverflow.net/questions/tagged/random-walk+simulation","timestamp":"2014-04-17T07:34:15Z","content_type":null,"content_length":"32877","record_id":"<urn:uuid:7e79481e-ab50-4b3e-88b9-2a2fd117d2a9>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00355-ip-10-147-4-33.ec2... |
Los Altos Hills, CA Calculus Tutor
Find a Los Altos Hills, CA Calculus Tutor
I am an excellent tutor for mathematics (from pre-algebra to advanced calculus and statistics) and economics/finance, both for high school and college students. I have a special skill for making
math notation and concepts more easily under... | {"url":"http://www.purplemath.com/Los_Altos_Hills_CA_Calculus_tutors.php","timestamp":"2014-04-17T13:50:39Z","content_type":null,"content_length":"24419","record_id":"<urn:uuid:ce55b6da-f9f2-4518-99d0-c731f2425540>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00345-ip-10-147-4-33.ec... |
Finding the formula for Bezier curve ratios (hull/point : point/baseline)
up vote 2 down vote favorite
Given a cubic Bezier curve defined by points p₁, p₂, p₃, and p₄, a point B on that curve at some t value (where 0 ≤ t ≤ 1), a point A on the line (p₂ — p₃) at distance ratio t from p₂, and a point C
that is the inters... | {"url":"http://mathoverflow.net/questions/122257/finding-the-formula-for-bezier-curve-ratios-hull-point-point-baseline","timestamp":"2014-04-16T14:19:47Z","content_type":null,"content_length":"59388","record_id":"<urn:uuid:c2cfc37e-8c50-48d2-8b2a-f68e186ee225>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/... |
Generalized incomplete gamma function: Integration
Indefinite integration
Involving only one direct function
Involving one direct function and elementary functions
Involving power function
Involving exponential function
Involving functions of the direct function and elementary functions
Involving elementary functions o... | {"url":"http://functions.wolfram.com/GammaBetaErf/Gamma3/21/ShowAll.html","timestamp":"2014-04-20T05:53:08Z","content_type":null,"content_length":"39859","record_id":"<urn:uuid:5213faeb-97c7-4781-926b-98a37912d6e6>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00203-ip-10-147-4-33.ec... |
Forced Self-Sustained Oscillator
I'm reading about
self-sustained oscillators
under the influence of
harmonic forcing
. The topic is introduced by studying the system in a new reference frame; one which rotates in the same direction with the frequency of the of the external force.
In this new reference frame, the oscil... | {"url":"http://www.physicsforums.com/showthread.php?t=401803","timestamp":"2014-04-18T23:28:50Z","content_type":null,"content_length":"20459","record_id":"<urn:uuid:3d8b3afc-160b-4b90-a593-e8b6476d7f8d>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00154-ip-10-147-4-33.ec2.internal.wa... |
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Topic: How function gradient work?
Replies: 4 Last Post: Jan 18, 2011 1:02 AM
Messages: [ Previous | Ne... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=1949122&messageID=7360536","timestamp":"2014-04-21T13:11:59Z","content_type":null,"content_length":"20755","record_id":"<urn:uuid:536d51de-60db-497d-a3ca-aa25fbe4d36f>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00221-ip-10-147-4... |
Brian Beckman: On Analog Computing, Beckman History and Life in the Universe Redux (Channel 9)
Brian Beckman: On Analog Computing, Beckman History and Life in the Universe Redux
• Posted: Mar 11, 2010 at 1:04 PM
• By: Charles
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need help to construct UMPT (uniformly most powerful test)
February 21st 2011, 04:34 AM #1
Senior Member
Nov 2010
Hong Kong
need help to construct UMPT (uniformly most powerful test)
Let $Y_1,... Y_n$ be a random sample from a Poisson distribution with mean $\mu>0$ unknown. Construct the uniformly most powe... | {"url":"http://mathhelpforum.com/advanced-statistics/172019-need-help-construct-umpt-uniformly-most-powerful-test.html","timestamp":"2014-04-18T15:39:16Z","content_type":null,"content_length":"92114","record_id":"<urn:uuid:1dd7a424-8765-44cc-99ce-fb4dc0ab7d56>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/... |
Lecture Details :
Stochastic Processes by Dr. S. Dharmaraja, Department of Mathematics, IIT Delhi. For more details on NPTEL visit http://nptel.iitm.ac.in
Course Description :
Probability Theory Refresher: Axiomatic construction of probability spaces, random variables and vectors, probability distributions, functions o... | {"url":"http://freevideolectures.com/Course/3262/Stochastic-Processes","timestamp":"2014-04-17T13:43:57Z","content_type":null,"content_length":"45421","record_id":"<urn:uuid:48160c9c-603b-4e71-9d29-58d064bf4283>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00338-ip-10-147-4-33.ec2.in... |