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I need help witha graph theory questionLet T be a tree with more than one vertex. Prove that T must have atleast... - Homework Help - eNotes.com
I need help witha graph theory question
Let T be a tree with more than one vertex. Prove that
T must have atleast two verticies of degree 1.
Proof by induction.
I. Initial... | {"url":"http://www.enotes.com/homework-help/need-help-witha-graph-theory-question-293099","timestamp":"2014-04-17T21:29:29Z","content_type":null,"content_length":"25332","record_id":"<urn:uuid:c76b2bbc-59eb-4f7a-a152-ed741e222630>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00458-i... |
Adventure in two colors - Implementing an std::map like structure in C#
As an originally C++ programmer, I miss some aspects of the STL containers which were not implemented in the standard .net collections. Specifically, the ability to search for an item that is not
necessarily in the collection, and get the closest m... | {"url":"http://www.codeproject.com/Articles/408248/Adventure-in-two-colors-Implementing-an-std-map-li","timestamp":"2014-04-20T16:26:14Z","content_type":null,"content_length":"69302","record_id":"<urn:uuid:42124073-6a2c-41a0-bef6-bcde0555d336>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-201404160... |
Semisimple-ish rings!
up vote 6 down vote favorite
Let S be the class of all rings R which have 1 and satisfy this condition:
for every "non-zero" right ideal I of R there exists a "proper" right ideal J of R such that I + J = R. (The + here is not necessarily direct.)
All semisimple rings are in S and (commutative) lo... | {"url":"http://mathoverflow.net/questions/29745/semisimple-ish-rings","timestamp":"2014-04-17T12:57:59Z","content_type":null,"content_length":"54240","record_id":"<urn:uuid:070629b8-a78c-4d3f-9e49-b043b20d7eb3>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00196-ip-10-147-4-33.ec2.in... |
Strawberry, AZ Math Tutor
Find a Strawberry, AZ Math Tutor
...I believe that everyone has the ability to learn and make good grades. This belief is what attracted me to tutoring 10 years ago. Since then, I have prospered as a professional tutor and
helped many people achieve the grades they have desired.
11 Subje... | {"url":"http://www.purplemath.com/Strawberry_AZ_Math_tutors.php","timestamp":"2014-04-19T12:42:48Z","content_type":null,"content_length":"23864","record_id":"<urn:uuid:163a53d6-657a-4ed3-a320-69990104d1b0>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00408-ip-10-147-4-33.ec2.internal... |
Zariski Geometries: Geometry from the Logician's Point of View
In the last two decades or so a bridge has been built between algebraic geometry and the model theory of stable algebraic structures. An important part of this bridge is an axiomatization of the
geometry underlying algebraic varieties and complex-analytic m... | {"url":"http://www.maa.org/publications/maa-reviews/zariski-geometries-geometry-from-the-logicians-point-of-view","timestamp":"2014-04-20T03:45:29Z","content_type":null,"content_length":"99197","record_id":"<urn:uuid:6c5c3672-615e-452a-8425-e2a0e207477b>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAI... |
Power computations for ANOVA designs
fpower Power computations for ANOVA designs fpower
SAS Macro Programs: fpower
$Version: 1.2 (24 Mar 1995)
Michael Friendly... | {"url":"http://www.datavis.ca/sasmac/fpower.html","timestamp":"2014-04-17T19:17:39Z","content_type":null,"content_length":"7547","record_id":"<urn:uuid:253f650f-1c3d-4083-8432-24579de76646>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00310-ip-10-147-4-33.ec2.internal.warc.gz"} |
A package is dropped at time t = 0 from a helicopter that is descneding steadily at a speed vi.?
I need help with this physics problem
A pacakge is dropped at time t = 0 from a helicopter that is descending steadily at a speed vi.
(a) What is the speed of the package in temrs of vi, g, and t? (Use the follwoing varibal... | {"url":"http://www.anyanswer.org/question/ae96818dbde8dd432ede6d4cb5912f6c/a-package-is-dropped-at-time-t-0-from-a-helicopter-that-is/","timestamp":"2014-04-18T10:35:02Z","content_type":null,"content_length":"12541","record_id":"<urn:uuid:b7c3fb36-8c26-4c39-b4eb-17ddf50c0856>","cc-path":"CC-MAIN-2014-15/segments/139822... |
Fluid Dynamics
Fluid dynamics is a rich field which can be used to, e.g., model the behavior of gases and liquids or to calculate forces on airplanes or even to study the weather. Fluid dynamics is a very complex
subject and many of its aspects are still not fully understood, turbulence being a prime example. There are... | {"url":"http://www.personal.psu.edu/euw122/PHYS_527/project/","timestamp":"2014-04-17T15:27:24Z","content_type":null,"content_length":"6023","record_id":"<urn:uuid:f6416d84-a8cd-4f1f-84cc-83d7a19ffe7a>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00030-ip-10-147-4-33.ec2.internal.war... |
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The driver of a car moving on a straight road applies brakes t... | {"url":"http://openstudy.com/updates/50f04a13e4b0d4a537ce3822","timestamp":"2014-04-20T16:12:36Z","content_type":null,"content_length":"51370","record_id":"<urn:uuid:358b9a77-48b9-4af2-93b1-a43ccff05164>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00515-ip-10-147-4-33.ec2.internal.w... |
La Bocca della Verità
A friend of mine who plays go a lot found this on her go server. Mathematicians post stuff there, she said, and, being mathematicians, they post problems, not answers.
"You have a collection of 11 balls with the property that if you remove any one of the balls, the other 10 can be split into two g... | {"url":"http://gene-callahan.blogspot.com/2008/10/little-balls.html","timestamp":"2014-04-20T13:24:27Z","content_type":null,"content_length":"195663","record_id":"<urn:uuid:c26b912a-580b-46bd-ad8e-f9bbe89010b6>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00274-ip-10-147-4-33.ec2.in... |
common tangent line?
find the two points on the curve y=x4-2x2-x that have a common tangent line
The equation of the line to a function at $(x_n,f(x_n)$ is given in slope intercept form as: $y=f'(x_n)x+f(x_n)-x_nf(x_n)$ Two lines are the same if they have the same slope and y-intercept. Using
the points $(x_1,f(x_1))$ ... | {"url":"http://mathhelpforum.com/calculus/205056-common-tangent-line.html","timestamp":"2014-04-24T16:49:41Z","content_type":null,"content_length":"52696","record_id":"<urn:uuid:bab12eda-acc7-40bb-aad5-77beb6bcee14>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00270-ip-10-147-4-33.e... |
Fermat's Last Theorem/Paul Wolfskehl
From Wikibooks, open books for an open world
Paul Wolfskehl[edit]
The works of Kummer on the factorisation of complex numbers threw a general mistrust on the possibility of finding a proof of Fermat’s theorem in a reasonable time. The researches also halted because
of the birth of n... | {"url":"http://en.wikibooks.org/wiki/Fermat's_Last_Theorem/Paul_Wolfskehl","timestamp":"2014-04-19T13:09:22Z","content_type":null,"content_length":"26360","record_id":"<urn:uuid:6567d7e7-1d65-43ce-9283-78c57ee4fcc9>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00274-ip-10-147-4-33.e... |
Surface Area of Cylinders ( Read ) | Geometry
Did you have tinker toys when you were little?
Trevor is working on wrapping a container of tinker toys. It is a bit complicated because it is a cylinder. Trevor is on his third attempt, and the woman who bought the tinker toys is getting a bit
“I’m sorry maam,” Trevor said... | {"url":"http://www.ck12.org/geometry/Surface-Area-of-Cylinders/lesson/Surface-Area-of-Cylinders-Grade-7/","timestamp":"2014-04-20T08:42:03Z","content_type":null,"content_length":"132212","record_id":"<urn:uuid:11dddf3d-7e56-4812-a227-de9860383db7>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-201404... |
An atomic model for message-passing
Results 1 - 10 of 21
- JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING , 1995
"... Cilk (pronounced "silk") is a C-based runtime system for multithreaded parallel programming. In this paper, we document the efficiency of the Cilk work-stealing scheduler, both empirically and
analytical... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1644887","timestamp":"2014-04-19T03:10:24Z","content_type":null,"content_length":"39508","record_id":"<urn:uuid:6e2223e2-f059-4b39-b980-562c7af92e7b>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00395-ip-10-147-4-33.ec2.internal.war... |
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Write algebraic expressions for two numbers with a sum of -7. ... | {"url":"http://openstudy.com/updates/4ff088d8e4b03c0c4887ef7f","timestamp":"2014-04-17T06:53:21Z","content_type":null,"content_length":"39293","record_id":"<urn:uuid:08428a17-a939-4ca4-85d7-381dd5afe63f>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00566-ip-10-147-4-33.ec2.internal.w... |
Isomorphism Proof - Graph Theory
August 5th 2008, 01:44 PM #1
Aug 2008
Isomorphism Proof - Graph Theory
If there are two graphs, how would I go about proving that they are isomorphic. Also, how would I go about proving that two other graphs are not isomorphic. Thanks!
There are several free ‘graph theory pr... | {"url":"http://mathhelpforum.com/discrete-math/45364-isomorphism-proof-graph-theory.html","timestamp":"2014-04-20T20:40:29Z","content_type":null,"content_length":"37495","record_id":"<urn:uuid:23146919-53ce-4cd0-a74d-30950d7c5521>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00234-i... |
MathGroup Archive: February 2012 [00507]
[Date Index] [Thread Index] [Author Index]
Re: Plotting colorfunctions over multiple parametric curves
• To: mathgroup at smc.vnet.net
• Subject: [mg125200] Re: Plotting colorfunctions over multipl... | {"url":"http://forums.wolfram.com/mathgroup/archive/2012/Feb/msg00507.html","timestamp":"2014-04-19T12:14:44Z","content_type":null,"content_length":"26832","record_id":"<urn:uuid:42912143-e0c5-4679-8ad6-371df7990758>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00546-ip-10-147-4-33.... |
Bonds futures: Delta? No gamma!
Henrard, Marc (2006): Bonds futures: Delta? No gamma!
Download (175Kb) | Preview
Bond futures are liquid but complex instruments. Here they are analysed in a one-factor Gaussian HJM model. The in-the-model delta and out-of-the-model delta and gamma are studied. An explicit
formula is p... | {"url":"http://mpra.ub.uni-muenchen.de/2249/","timestamp":"2014-04-19T13:08:49Z","content_type":null,"content_length":"19578","record_id":"<urn:uuid:361bdadd-1e23-4d1b-bba4-f117e259fa94>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00280-ip-10-147-4-33.ec2.internal.warc.gz"} |
Roulette Analysis App
Our roulette analysis App is a professional tool. The software analyses the results of spins in a roulette game. In the case of real wheels the software exposes any sector bias that may be present.
In the case of animations, based upon pseudo random number generators, the software identifies repea... | {"url":"http://www.roulette-analysis.com/","timestamp":"2014-04-19T15:37:36Z","content_type":null,"content_length":"38156","record_id":"<urn:uuid:824bf082-6c1f-4673-8fd1-61ea4692b663>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00655-ip-10-147-4-33.ec2.internal.warc.gz"} |
critical point
yeh i got that to work, now how do I show that it's not a local min,max or inflection. Would I look at the second derivative? If that's not defined it's not anything?
The standard second-derivative fails, since the first derivative is discontinuous at x=0 (the 2.derivative is not defined).
It remains to ... | {"url":"http://www.physicsforums.com/showthread.php?t=52525","timestamp":"2014-04-19T09:35:04Z","content_type":null,"content_length":"38170","record_id":"<urn:uuid:3972795f-43d5-48d7-bce7-f8e12f4faa68>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00343-ip-10-147-4-33.ec2.internal.wa... |
Void Fraction Measurement and Analysis at Normal Gravity and Microgravity Conditions
Abstract (Summary)
As the frequency and length of space flights increase, a better understanding of the physical phenomena associated with reduced gravity is needed. One of these processes is two-phase flow. Two-phase
gas-liquid flows ... | {"url":"http://www.openthesis.org/documents/Void-Fraction-Measurement-Analysis-at-382666.html","timestamp":"2014-04-16T22:05:20Z","content_type":null,"content_length":"10775","record_id":"<urn:uuid:24af7d27-baab-48cf-be41-e884a3339144>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-002... |
The Should I Become a Mathematician? Thread
Sci Advisor
HW Helper
P: 9,421
2) Basic Preparation, High school:
In high school, it is usual nowadays to take AP calculus. More important for mathematical background, is to get a good course in polynomial algebra and Euclidean geometry, with thorough treatment of
proofs. A... | {"url":"http://www.physicsforums.com/showthread.php?p=1006099","timestamp":"2014-04-18T15:51:24Z","content_type":null,"content_length":"97342","record_id":"<urn:uuid:cd2d466b-1dcd-444f-b9b6-6c2b6921bf7b>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00027-ip-10-147-4-33.ec2.internal.... |
Departments -Maths Key Stage 4
Maths Key Stage 4
Year 10 - Curriculum Content
All students follow a Scheme of Work which builds on work covered in KS3 and covers a range of aspects from each of the broad content headings listed below:
Shape, Space and Measures
Handling Data
Each of these aspects are re-visited, consoli... | {"url":"http://www.st-bernards.cumbria.sch.uk/maths_ks4.php","timestamp":"2014-04-19T06:51:48Z","content_type":null,"content_length":"27459","record_id":"<urn:uuid:fd678bac-f54a-4db2-8140-fccc92918f7f>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00157-ip-10-147-4-33.ec2.internal.wa... |
Bloomingdale, IL Geometry Tutor
Find a Bloomingdale, IL Geometry Tutor
...Everyone learns and studies differently. I can help students explore what their style is, in order to benefit them academically. English was my second language and so I understand what is
required and necessary for a student to learn another ... | {"url":"http://www.purplemath.com/Bloomingdale_IL_geometry_tutors.php","timestamp":"2014-04-16T13:32:41Z","content_type":null,"content_length":"24001","record_id":"<urn:uuid:8aec2c09-2ec1-4d78-92df-e161f4f36213>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00434-ip-10-147-4-33.ec2.i... |
NOAA/National Severe Storms Laboratory
Norman, Oklahoma
Weather and Forecasting
To appear in September 1996 issue
The raw data used in the paper are available for your use. Note that there are 596 lines of data so that persistence forecasts can be calculated, leading to the 590 forecast days discussed in the
We have ca... | {"url":"http://www.nssl.noaa.gov/users/brooks/public_html/ntv/notable.html","timestamp":"2014-04-20T03:33:35Z","content_type":null,"content_length":"44240","record_id":"<urn:uuid:6c701547-9ab6-4d7e-b15c-38153c5dda8f>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00395-ip-10-147-4-33.... |
Number Types: Where Vocabulary Meets Numbers
Lesson Question:
How can students use the Visual Thesaurus to evaluate different numbers according to type?
Applicable Grades:
Lesson Overview:
Who knew there were so many words to describe numbers? In this math lesson, students use the VT to define vocabulary words that are... | {"url":"http://www.visualthesaurus.com/cm/lessons/number-types-where-vocabulary-meets-numbers/","timestamp":"2014-04-20T21:53:57Z","content_type":null,"content_length":"26171","record_id":"<urn:uuid:ea90f477-a976-4af5-898e-56c80045b9d8>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-0... |
Men Of Mathematics
line r through P such that V never meets Z no matter how far /'
and I are extended (in either direction). Merely as a nominal
definition -we say that two straight lines lying in one plane -
which never meet are parallel Thus the fifth postulate of Euclid
asserts that through P there is precisely one ... | {"url":"http://archive.org/stream/MenOfMathematics/TXT/00000017.txt","timestamp":"2014-04-19T12:57:19Z","content_type":null,"content_length":"12154","record_id":"<urn:uuid:78ecdd98-1893-420d-9e33-d2b4e8eff90b>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00614-ip-10-147-4-33.ec2.int... |
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Why planets revolve around sun in elliptical orbit?
• one ye... | {"url":"http://openstudy.com/updates/5034ef4ae4b02ee68c7a27f0","timestamp":"2014-04-20T18:59:31Z","content_type":null,"content_length":"36532","record_id":"<urn:uuid:332d129e-56fe-46fd-b1a2-d53e99d2683f>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00170-ip-10-147-4-33.ec2.internal.... |
A Guide to Simulation. 2nd ed
Results 11 - 20 of 27
"... A combination of experimental and simulation approaches was used to analyze clonal growth of glutathione-S-transferase � (GST-P) enzyme-altered foci during liver carcinogenesis in an
initiation-promotion regimen for 1,4-dichlorobenzene (DCB), 1,2,4,5-tetrachlorob... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=521301&sort=cite&start=10","timestamp":"2014-04-18T15:08:42Z","content_type":null,"content_length":"40694","record_id":"<urn:uuid:8b1fb4d3-1cba-466a-a2e1-5900d6dd7c71>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00009-ip-10-147-4-... |
Perfect Forward Secrecy
SSL/TLS & Perfect Forward Secrecy
Vincent Bernat
Once the private key of some HTTPS web site is compromised, an attacker is able to build a man-in-the-middle attack to intercept and decrypt any communication with the web site. The first step
against such an attack is the revocation of the associ... | {"url":"http://vincent.bernat.im/en/blog/2011-ssl-perfect-forward-secrecy.html","timestamp":"2014-04-21T04:31:14Z","content_type":null,"content_length":"24764","record_id":"<urn:uuid:366b4902-d49e-4a3f-8001-b48a66523e92>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00197-ip-10-147-4... |
Cranston Precalculus Tutor
Find a Cranston Precalculus Tutor
...I have had success preparing students for the ASVAB, and I especially enjoy helping them tackle the word problems on the Arithmetic Reasoning section. Time management is important, and
test-taking strategies are key. When I taught at a Catholic middle ... | {"url":"http://www.purplemath.com/cranston_ri_precalculus_tutors.php","timestamp":"2014-04-18T00:30:13Z","content_type":null,"content_length":"24007","record_id":"<urn:uuid:ec5ffa3d-203f-4708-a6ad-93e826d97713>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00358-ip-10-147-4-33.ec2.in... |
Dockweiler, CA
Find a Dockweiler, CA Calculus Tutor
...She specifically asked me to tutor under her because of my communication skills and ability to connect with those around me. Recently, I helped my older sister who is finishing her senior year
in college and is taking upper division courses for her major with ... | {"url":"http://www.purplemath.com/Dockweiler_CA_Calculus_tutors.php","timestamp":"2014-04-21T07:18:44Z","content_type":null,"content_length":"24253","record_id":"<urn:uuid:13307c7e-24b0-4be1-88d5-36416d8290c1>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00601-ip-10-147-4-33.ec2.inte... |
Re: st: MATA all combinations / pairs of a row
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]
Re: ... | {"url":"http://www.stata.com/statalist/archive/2011-10/msg00179.html","timestamp":"2014-04-20T01:06:23Z","content_type":null,"content_length":"10050","record_id":"<urn:uuid:55ace55e-4774-42a2-be12-112e3ee3d28f>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00566-ip-10-147-4-33.ec2.int... |
Directions: Your Solutions Should Be Written Out ... | Chegg.com
Directions: Your solutions should be written out fully in paragraph form using complete sentences and correct punctuation
Let n, p be elements of Z with n,p > 0 and p is prime.
(a) Prove or disprove: if a, b, c are elements of Z subscript n, with a not eq... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/directions-solutions-written-fully-paragraph-form-using-complete-sentences-correct-punctua-q2874206","timestamp":"2014-04-24T11:44:52Z","content_type":null,"content_length":"21299","record_id":"<urn:uuid:9173fd94-56ac-40e2-a1f1-7ccf10185c35>","cc-path":"C... |
Welcome to ICS2011
Innovations in Computer Science - ICS 2011, Tsinghua University, Beijing, China, January 7-9, 2011. Proceedings, 444-459, 978-7-302-24517-9
Tsinghua University Press
Complex Semidefinite Programming Revisited and the Assembly of Circular Genomes
Authors : Konstantin Makarychev, Alantha Newm... | {"url":"http://conference.itcs.tsinghua.edu.cn/ICS2011/content/papers/27.html","timestamp":"2014-04-20T03:50:56Z","content_type":null,"content_length":"10602","record_id":"<urn:uuid:2260ddd6-90aa-4540-8f47-85480ea26592>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00251-ip-10-147-4-... |
Zentralblatt MATH
Publications of (and about) Paul Erdös
Zbl.No: 432.05038
Autor: Burr, Stefan A.; Erdös, Paul; Faudree, Ralph J.; Schelp, R.H.
Title: A class of Ramsey-finite graphs. (In English)
Source: Proc. 9th southeast. Conf. on Comb... | {"url":"http://www.emis.de/classics/Erdos/cit/43205038.htm","timestamp":"2014-04-18T18:22:33Z","content_type":null,"content_length":"4124","record_id":"<urn:uuid:c81ab737-01a8-40d0-b0da-bc579bf1d7fc>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00297-ip-10-147-4-33.ec2.internal.warc.... |
Los Altos Science Tutor
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...As an teacher, I am friendly, patient and encouraging to those learning about a subject. I take care to ensure understanding through quizzes, and by conversing with the student about the
subject. I also am talented at breaking down difficult material and exp... | {"url":"http://www.purplemath.com/los_altos_ca_science_tutors.php","timestamp":"2014-04-18T23:42:39Z","content_type":null,"content_length":"23962","record_id":"<urn:uuid:241e7797-a245-4b26-9e7a-4851711343c6>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00610-ip-10-147-4-33.ec2.intern... |
finding the square number of feet.
March 6th 2010, 12:03 PM #1
Senior Member
Aug 2009
finding the square number of feet.
not sure if i have the right setup for this problem. if someone could check my work i would appreciate thanks.IMG.pdf thanks in advance
Follow Math Help Forum on Facebook and Google+ | {"url":"http://mathhelpforum.com/calculus/132337-finding-square-number-feet.html","timestamp":"2014-04-16T04:20:50Z","content_type":null,"content_length":"28715","record_id":"<urn:uuid:66b8de64-4145-4cc5-9b9a-5c6d5e1cfcd1>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00221-ip-10-147... |
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[Python-ideas] Why is nan != nan?
Greg Ewing greg.ewing at canterbury.ac.nz
Fri Mar 26 02:25:06 CET 2010
spir ☣ wrote:
> (Else there should be a distinction between equality assignment and identity assignemt?
> b = a # ==> a is b and a == b
> b := a # ==> a is b and possibly a == b
Eiffel's position on t... | {"url":"https://mail.python.org/pipermail/python-ideas/2010-March/006951.html","timestamp":"2014-04-20T06:47:37Z","content_type":null,"content_length":"3405","record_id":"<urn:uuid:363aad44-fd26-49ad-b069-9475ef167edf>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00112-ip-10-147-4-3... |
[SciPy-User] Updating SciPy from 0.9.0 to 0.10.1 triggers undesired behavior in NumPy 1.6.2
Ralf Gommers ralf.gommers@googlemail....
Tue Jul 31 11:43:36 CDT 2012
On Mon, Jul 30, 2012 at 6:33 PM, Wolfgang Draxinger <
Wolfgang.Draxinger@physik.uni-muenchen.de> wrote:
> Hi,
> first my apologies for crossposting this to tw... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2012-July/032682.html","timestamp":"2014-04-16T19:27:14Z","content_type":null,"content_length":"8398","record_id":"<urn:uuid:82374bea-be2b-43ef-a7d6-9c97c8511431>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00239-ip-10-147-4-33.ec2.... |
Has the UK's A-Level Physics Been Diluted Over The Years?
I don't know since I have no first-hand knowledge of it. But
this letter-writer
to The Telegraph seems to think so.
I have taught physics at A-level since 1988, having taken the exam myself in 1983. In the past 25 years, the material on the syllabus has been... | {"url":"http://physicsandphysicists.blogspot.com/2008/08/has-uks-level-physics-been-diluted-over.html","timestamp":"2014-04-20T08:39:37Z","content_type":null,"content_length":"145669","record_id":"<urn:uuid:649b2486-48ad-4af1-931e-75f992f497e8>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-201404160... |
Karl Walter Gruenberg
Born: 3 June 1928 in Vienna, Austria
Died: 10 October 2007 in London, England
... | {"url":"http://www-history.mcs.st-and.ac.uk/Biographies/Gruenberg.html","timestamp":"2014-04-16T04:12:51Z","content_type":null,"content_length":"19678","record_id":"<urn:uuid:f5905de3-051b-42a5-a4c8-adc16d366f45>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00346-ip-10-147-4-33.ec2.... |
Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text o... | {"url":"http://books.nap.edu/openbook.php?record_id=1535&page=342","timestamp":"2014-04-18T10:47:27Z","content_type":null,"content_length":"89176","record_id":"<urn:uuid:58464b54-5a8e-48b0-ad07-600ae92b249d>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00100-ip-10-147-4-33.ec2.inter... |
Josephine, TX Trigonometry Tutor
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...I have taught undergraduate physics that deals with MECHANICS(vectors, projectile, newtons laws, forces, rotational motion, pressure and fluid motion),THERMODYNAMICS(thermal expansion,
calorimetry,phase change, conduction), ELECTROMAGNETISM... | {"url":"http://www.purplemath.com/Josephine_TX_Trigonometry_tutors.php","timestamp":"2014-04-19T09:50:04Z","content_type":null,"content_length":"24234","record_id":"<urn:uuid:5929578a-af4d-436f-969e-a80e90d16729>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00146-ip-10-147-4-33.ec2.... |
FOM: FW: Semantics and the problem of reference
Cristian Cocos cristi at ieee.org
Mon Oct 23 13:23:30 EDT 2000
Here's a few answers to Ketland's questions given from the point of view of
a philosopher of mind, i.e. of someone who regards logic/mathematics from a
conceptualist perspective (remember?: nominalism, real... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2000-October/004470.html","timestamp":"2014-04-17T18:26:01Z","content_type":null,"content_length":"6325","record_id":"<urn:uuid:27ee1077-edaa-4ac3-bf15-7620d0982378>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00612-ip-10-147-4-33.ec2.inte... |
Highland Park, MI Algebra 2 Tutor
Find a Highland Park, MI Algebra 2 Tutor
...Obviously, Math is my specialty and ACT/SAT Test prep is my other passion. When I was in school Math did not come easily, and now it has become my gift. My ability to understand what students
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International Journal of Advances in Engineering & Technology, Jan 2012.
©IJAET ISSN: 2231-1963
Athar Ravish Khan
Department of Electronics & Telecommunication
Jawaharlal Darda Institute of Eng... | {"url":"http://www.docstoc.com/docs/109997895/PERFORMANCE-EVALUATION-OF-DS-CDMA-SYSTEM-USING-MATLAB","timestamp":"2014-04-16T15:16:54Z","content_type":null,"content_length":"82868","record_id":"<urn:uuid:35cac8ac-32b3-4795-ab7c-8a935642c009>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005... |
MicroEconomics Oligopoly
Slide 1
• Students:
□ Ana Oliveira
□ Fernando Vendas
□ Miguel Carvalho
□ Paulo Lopes
□ Vanessa Figueiredo
Slide 2
Competition Model
Sequential Game
Quantity Leadership
Price Leadership
Simultaneous Game
Simultaneous Price setting
Simultaneous Quantity Price sett... | {"url":"http://www.slideserve.com/elga/microeconomics-oligopoly","timestamp":"2014-04-19T09:35:35Z","content_type":null,"content_length":"94413","record_id":"<urn:uuid:b3e3d39e-6972-4cf4-8ee2-520256accd54>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00389-ip-10-147-4-33.ec2.interna... |
-cgi -package
Maybe -cgi -package
The Maybe type encapsulates an optional value. A value of type Maybe a either contains a value of type a (represented as Just a), or it is empty (represented as Nothing). Using Maybe is a good way to
deal with errors or exceptional cases without resorting to drastic measures such as er... | {"url":"http://www.haskell.org/hoogle/?hoogle=Maybe+-cgi+-package","timestamp":"2014-04-19T07:41:21Z","content_type":null,"content_length":"24778","record_id":"<urn:uuid:712bb68c-1afd-4f86-b9c0-698c96fe871f>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00009-ip-10-147-4-33.ec2.inter... |
column space for this vector space
December 18th 2012, 08:49 AM #1
Junior Member
Sep 2012
column space for this vector space
Problem is find a basis and its dimension.
Let W={(a,b,c):a-3b+c=0, b-2c=0, 2b-c=0}. I know that W=Nul A and it can be set up as
[1 -3 1][a]=[0]
[0 1 -2][b]=[0]
[0 2 -1][c... | {"url":"http://mathhelpforum.com/advanced-algebra/210058-column-space-vector-space.html","timestamp":"2014-04-19T02:21:30Z","content_type":null,"content_length":"32544","record_id":"<urn:uuid:9f0a97df-999b-46ef-bcf2-27a6f2daa090>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00501-ip-... |
how slow can the dimension of a product set grow?
up vote 0 down vote favorite
Let us define the following "dimension" of a Borel subet $B \subset \mathbb{R}^k$:
$\dim(B) = \min\{n \in \mathbb{N}: \exists K \subset \mathbb{R}^n, ~{\rm s.t.} ~ B \sim K\}$,
where $\sim$ denotes "homeomorphic to". Obviously, $0 \leq \dim(... | {"url":"http://mathoverflow.net/questions/18686/how-slow-can-the-dimension-of-a-product-set-grow?answertab=oldest","timestamp":"2014-04-19T15:29:44Z","content_type":null,"content_length":"63265","record_id":"<urn:uuid:769ac810-cd1b-4f36-9167-a42b079cd22a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAI... |
Information on LaTeX
LaTeX is a typesetting program for mathematical documents. It is extremely powerful, and not too hard to learn to use. The easiest way is to modify someone else's file, so I will provide some below.
There are also many resources online to help. MiKTeX and WinEdt are available in the Ford computer l... | {"url":"http://www.willamette.edu/~cstarr/math456/456latex.htm","timestamp":"2014-04-18T23:40:54Z","content_type":null,"content_length":"3137","record_id":"<urn:uuid:2ad1d996-48d5-40ff-9d5b-8f5dd5bcb182>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00615-ip-10-147-4-33.ec2.internal.w... |
The Eternal Universe
recently discussed
how it may be that mathematical models that describe our universe may or may not be what is actually going on but: it's okay since these models have predictive power.
For example, take the famous path integral.
Remember the double slit experiment shown in the picture below. If yo... | {"url":"http://theeternaluniverse.blogspot.com/2010/03/example-of-crazy-model-path-integral.html","timestamp":"2014-04-20T15:50:07Z","content_type":null,"content_length":"103950","record_id":"<urn:uuid:77d92f89-e102-4a77-83fd-a10ae3c44cbb>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-2014041600521... |
Lomita Math Tutor
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...From my experience, I have found many creative ways of explaining common problems. I love getting to the point when the student finally understands the concept and tells me that they want to
finish the problem on their own. I look forward to helping you with your academ... | {"url":"http://www.purplemath.com/lomita_ca_math_tutors.php","timestamp":"2014-04-18T19:16:33Z","content_type":null,"content_length":"23789","record_id":"<urn:uuid:70d22ae8-e9e5-433d-b632-9f85419a52af>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00200-ip-10-147-4-33.ec2.internal.war... |
Press Release 07-029
A Mathematical Solution for Another Dimension
New tool could drive breakthroughs in several disciplines
March 19, 2007
Ever since 1887, when Norwegian mathematician Sophus Lie discovered the mathematical group called E8, researchers have been trying to understand the extraordinarily complex object ... | {"url":"http://nsf.gov/news/news_summ.jsp?cntn_id=108482&org=DMS","timestamp":"2014-04-20T04:40:07Z","content_type":null,"content_length":"66973","record_id":"<urn:uuid:108e0d8e-8fe2-477d-8061-49b918d2e692>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00061-ip-10-147-4-33.ec2.intern... |
Vineland Precalculus Tutor
...I received an 'A' in each linear algebra course that I took. I also passed the preliminary exam in linear algebra for the Ph.D. program at the University of Pittsburgh in 2009. I took the
Praxis II Mathematics: Content Knowledge exam in May, 2013.
19 Subjects: including precalculus, ... | {"url":"http://www.purplemath.com/Vineland_Precalculus_tutors.php","timestamp":"2014-04-20T19:29:53Z","content_type":null,"content_length":"24175","record_id":"<urn:uuid:0e767629-b4c1-4070-a3e7-986aebfcd2d4>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00499-ip-10-147-4-33.ec2.inter... |
Pingree Grove, IL Math Tutor
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I am currently teaching at Mchenry County College as a part-time employee. For the past 6 years I am teaching all levels of mathematics courses. I am also doing one-on-one tutoring for high
school students for the past three years.
12 Subjects: incl... | {"url":"http://www.purplemath.com/Pingree_Grove_IL_Math_tutors.php","timestamp":"2014-04-18T06:05:52Z","content_type":null,"content_length":"24165","record_id":"<urn:uuid:4db3dbed-1d40-47ac-b50f-eca786db1800>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00517-ip-10-147-4-33.ec2.inte... |
Aggregating VAR across portfolio and firm
Hi David,
If you're given 1-year VARs of a firm for market risk, operational risk, and credit risk (they are uncorrelated to each other and all calculated at same significance level), can you simply sum
them to get the overall 1-year firm VAR?
For a portfolio VA... | {"url":"https://www.bionicturtle.com/forum/threads/aggregating-var-across-portfolio-and-firm.5827/","timestamp":"2014-04-19T19:34:36Z","content_type":null,"content_length":"51401","record_id":"<urn:uuid:e4663cab-c3ff-4b07-949c-b5129b11257f>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-201404230320... |
Entropy can drive the formation of complex quasicrystals
Monte Carlo simulations of simple hard tetrahedron reveal that, under pressure …
by Matt Ford - Dec 14, 2009 8:38 pm UTC
From a thermodynamics perspective, all systems, even the universe itself, are all driven by two aspects of their state—entropy and energy. Any... | {"url":"http://arstechnica.com/science/2009/12/simple-pyramids-create-complex-quasicrystals/?comments=1","timestamp":"2014-04-16T07:56:07Z","content_type":null,"content_length":"87361","record_id":"<urn:uuid:b1493c96-7b2d-4d91-be3f-ceac57cdaabc>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-2014041... |
From Wikipedia, the free encyclopedia
The golden section is a line segment divided according to the golden ratio: The total length a + b is to the longer segment a as a is to the shorter segment b.
In mathematics and the arts, two quantities are in the golden ratio if the ratio of the sum of the quantities to the la... | {"url":"http://kylepounds.com/Sacred%20Geometry.html","timestamp":"2014-04-20T15:52:30Z","content_type":null,"content_length":"548269","record_id":"<urn:uuid:2e6e0776-f903-416c-93d6-51267cc54653>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00093-ip-10-147-4-33.ec2.internal.warc.gz"... |
omplexity of
Results 1 - 10 of 344
, 2004
"... We describe a system that supports arbitrarily complex SQL queries with ”uncertain” predicates. The query semantics is based on a probabilistic model and the results are ranked, much like in
Information Retrieval. Our main focus is efficient query evaluation, a problem th... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=237022","timestamp":"2014-04-21T07:41:20Z","content_type":null,"content_length":"40326","record_id":"<urn:uuid:50704712-3e40-4bb1-8ff5-aff8c6058b7a>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00417-ip-10-147-4-33.ec2.internal.war... |
Central Meridian: A straight line.
Meridians: Complex curves spaced equally along the Equator and each parallel, and concave toward the central meridian.
Parallels: The Equator is a straight line. All other parallels are nonconcentric circular arcs spaced at true distances along the central meridian.
Poles: Normally ci... | {"url":"http://www.mathworks.com/help/map/polyconicprojection.html?nocookie=true","timestamp":"2014-04-17T18:58:05Z","content_type":null,"content_length":"36206","record_id":"<urn:uuid:e72b24fd-6bb2-42e5-bce9-64638bcbfc5f>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00192-ip-10-147... |
Numerical Integration
From Sutherland_wiki
Numeric integration is used in two general situations:
• we have discrete data and want to integrate it.
• we have an analytic function that we cannot integrate analytically and want to approximate it numerically.
There are many ways to perform numerical integration. We wi... | {"url":"http://www.che.utah.edu/~sutherland/wiki/index.php/Numerical_Integration","timestamp":"2014-04-16T10:50:21Z","content_type":null,"content_length":"27139","record_id":"<urn:uuid:8c4ab7a6-59f6-4fe4-8f38-ee4741030ebd>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00417-ip-10-147... |
Correlation matrix, efficient method
"susan" wrote in message <iqbs9o$mf6$1@newscl01ah.mathworks.com>...
> hello,
> I have a matrix of x* y* z *176 from a fMRI imaging study.
> I need to get a square matrix with correlation values. i.e. each 'voxel(x*y*z)' has a timeseries (176). I need to correlate this with every oth... | {"url":"http://www.mathworks.com/matlabcentral/newsreader/view_thread/307556","timestamp":"2014-04-21T07:57:29Z","content_type":null,"content_length":"31613","record_id":"<urn:uuid:da27a9b9-a82f-4e9f-a6ba-2f23135ea57e>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00351-ip-10-147-4-3... |
Mead, CO Math Tutor
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...I have taught all levels of elementary school math from kindergarten through 6th grade and beyond! I love working with students to discover where challenges lie and finding fun and engaging
ways to help them learn! I have taught all types of elementary school and mi... | {"url":"http://www.purplemath.com/Mead_CO_Math_tutors.php","timestamp":"2014-04-18T11:24:59Z","content_type":null,"content_length":"23813","record_id":"<urn:uuid:3a220ca3-1efe-47fc-909d-3c30946164e6>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00391-ip-10-147-4-33.ec2.internal.warc.... |
CS 314: Vocabulary
A*: a heuristic search algorithm that attempts to find a desired goal using a heuristic function to estimate the distance from a given node to the goal.
abstract data type: a description of operations on a data type that could have multiple possible implementations.
acyclic: describes a graph with no... | {"url":"http://www.cs.utexas.edu/users/novak/cs314vocab.html","timestamp":"2014-04-16T12:20:18Z","content_type":null,"content_length":"22619","record_id":"<urn:uuid:3b15f91e-e6e3-461d-9426-688818a04028>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00560-ip-10-147-4-33.ec2.internal.w... |
Matter, Time, Energy.... Theory of Exclusive Relativity
In the past two months, political and economic news has been redundant. The same players in politics with very little cognitive ideas and an economic constant picture instead of an evolving video.
When things are this consistent, I get bored. Thus, I am writing a ... | {"url":"http://bestcom.newsvine.com/_news/2011/10/06/8186614-matter-time-energy-theory-of-exclusive-relativity","timestamp":"2014-04-19T17:56:58Z","content_type":null,"content_length":"48562","record_id":"<urn:uuid:0e18d54c-c0cc-4b67-8e7b-9920a891bb3a>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-... |
sifted colimit
sifted colimit
Limits and colimits
A sifted colimit is a colimit of a diagram $D \to C$ where $D$ is a sifted category (in analogy with a filtered colimit, involving diagrams of shape a filtered category). Such colimits commute with
finite products in Set by definition.
A motivating example is a reflexiv... | {"url":"http://www.ncatlab.org/nlab/show/sifted+colimit","timestamp":"2014-04-19T11:57:20Z","content_type":null,"content_length":"25609","record_id":"<urn:uuid:7da9ca9c-bde5-4f04-b1d4-0070d7274544>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00189-ip-10-147-4-33.ec2.internal.warc.gz... |
Mount Hamilton Algebra 2 Tutor
...I have years of experience with not only the software and applications that run on computer systems but also the hardware. I have written a pc bios, scientific computing and control
applications for a jet propulsion laboratory. I am familiar with the Office applications from Micros... | {"url":"http://www.purplemath.com/Mount_Hamilton_algebra_2_tutors.php","timestamp":"2014-04-18T13:42:16Z","content_type":null,"content_length":"24172","record_id":"<urn:uuid:d08a756b-c3e7-4666-8cd3-2346367b76e9>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00240-ip-10-147-4-33.ec2.i... |
Numb3rs 109: Sniper Zero
In this episode the FBI investigates a bizarre string of sniper attacks which seem to have little in common. To determine the location of the sniper in each shooting, Charlie uses ballistic
trajectory modelling. Exponential growth and regression to the mean are also briefly mentioned, and the f... | {"url":"http://www.math.cornell.edu/~numb3rs/kostyuk/num109.htm","timestamp":"2014-04-17T18:24:19Z","content_type":null,"content_length":"12722","record_id":"<urn:uuid:a13fbefb-0bdb-41d6-9416-bfb880404224>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00049-ip-10-147-4-33.ec2.interna... |
Integration problem: $\int_{-\pi}^{\pi} | \log( | 1 + \exp(- I \nu ) | ) | \mathrm{d}\nu < \infty$
up vote 2 down vote favorite
Hello, I'm trying to bound an integral. I have a function $A(\nu) = | 1 + \exp(-I \nu) |$ (with $I$ being the imaginary unit) and I want to show that the condition (Paley-Wiener criterion for
... | {"url":"http://mathoverflow.net/questions/43180/integration-problem-int-pi-pi-log-1-exp-i-nu-math?sort=newest","timestamp":"2014-04-21T00:52:55Z","content_type":null,"content_length":"59440","record_id":"<urn:uuid:86292c4c-4689-4149-910a-da96b1a1dc88>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-2... |
Astronomy 6: Introductory Cosmology
0.5 credits, meets second-half of the fall 2013 semester
this is a new course being taught this fall by David Cohen
Course description:
The subject of cosmology has seen stunning advances in the precision of measurements and in theoretical understanding over the last two decades. The... | {"url":"http://astro.swarthmore.edu/Astro6_description.htm","timestamp":"2014-04-17T03:48:16Z","content_type":null,"content_length":"25323","record_id":"<urn:uuid:6f31ddde-ce38-450d-9d54-598fa4080eea>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00520-ip-10-147-4-33.ec2.internal.war... |
Example applications of the bootstrap method
Applying the basic bootstrap method is really straightforward. The only messy part is doing the 'bias-corrected and accellerated' correction (BCa)on the confidence interval. I've provided a function
called 'bootstrap' that runs the bootstrap algorithm and then (by default) d... | {"url":"http://courses.washington.edu/matlab1/Bootstrap_examples.html","timestamp":"2014-04-16T07:15:11Z","content_type":null,"content_length":"40940","record_id":"<urn:uuid:782a488b-154d-4f76-b723-703153ada0c3>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00012-ip-10-147-4-33.ec2.i... |
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User Profile f... | {"url":"http://mathforum.org/kb/profile.jspa?userID=56911","timestamp":"2014-04-16T20:49:40Z","content_type":null,"content_length":"12598","record_id":"<urn:uuid:ec04312c-e922-458b-8f45-a3e2b8c3bdcc>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00522-ip-10-147-4-33.ec2.internal.warc.... |
Rayleigh estimator and confidence intervals for small N
October 22nd 2013, 08:15 AM #1
Oct 2013
United States
I have a small number of samples from a Rayleigh process, and I am trying to estimate the Rayleigh parameter sigma.
This popular exercise suggests that $\widehat{ \sigma} = \frac{\sum r^{2}_{i} ... | {"url":"http://mathhelpforum.com/advanced-statistics/223335-rayleigh-estimator-confidence-intervals-small-n.html","timestamp":"2014-04-19T03:16:43Z","content_type":null,"content_length":"65494","record_id":"<urn:uuid:3f9a8ad7-69c6-4cc0-956f-1b16ba53f3fa>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAI... |
Proof milestone
Ian Lynagh igloo at earth.li
Tue May 5 06:13:08 EDT 2009
Hi all,
With a lot of help from numerous people on and off this list, I've
finally just pushed patches that complete the proof of Lemma
(<<qs :+> r :> s :> []>> <~~>* <<us :+> r' :> s' :> vs>>)
-> (NameOf r = NameOf r')
-> (NameOf s = NameOf... | {"url":"http://projects.haskell.org/pipermail/camp/2009-May/000052.html","timestamp":"2014-04-20T23:59:11Z","content_type":null,"content_length":"4429","record_id":"<urn:uuid:4621b941-5dae-4b76-abc4-80c55295810e>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00190-ip-10-147-4-33.ec2.... |
Conditional Calculation of pi(10^24)
Email from Jens Franke [Thu 7/29/2010 2:47 PM]: (color added)
Using an analytic method assuming (for the current calculation) the Riemann Hypthesis, we found that the number of primes below 10^24 is 18435599767349200867866. The analytic method used is similar
to the one described by... | {"url":"http://primes.utm.edu/notes/pi(10%5E24).html","timestamp":"2014-04-20T08:15:59Z","content_type":null,"content_length":"6228","record_id":"<urn:uuid:0c4c41c0-5246-416b-9130-2b51086cc7b9>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00017-ip-10-147-4-33.ec2.internal.warc.gz"} |
search problem
search problem
• If $x$ is such that there is some $y$ such that $R(x,y)$ then $T$ accepts $x$ with output $z$ such that $R(x,z)$ (there may be multiple $y$, and $T$ need only find one of them)
• If $x$ is such that there is no $y$ such that $R(x,y)$ then $T$ rejects $x$
Note that the graph of a part... | {"url":"http://planetmath.org/searchproblem","timestamp":"2014-04-18T23:15:54Z","content_type":null,"content_length":"46816","record_id":"<urn:uuid:b224c23e-ae63-4a56-8887-cddd5205e5bb>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00327-ip-10-147-4-33.ec2.internal.warc.gz"} |
Took GMAT for Q47. Retaking in hopes of 50+. Advice?
Hi all!
I recently took the GMAT and am concerned by my sub-80 percentile math score. I've been scoring consistently 47-48 in 4 takes of the GMAT Prep exams, so while I'd love to blame test day issues, my
score is not exactly inconsistent with practice. For my reta... | {"url":"http://gmatclub.com/forum/took-gmat-for-q47-retaking-in-hopes-of-50-advice-128414.html","timestamp":"2014-04-19T15:42:24Z","content_type":null,"content_length":"141336","record_id":"<urn:uuid:2952278e-9465-41c4-87ea-921071d001f2>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-0... |
Diary of a Graphics Programmer
I got a new notebook today with 64-bit VISTA pre-installed. It will replace a Desktop that had 64-bit VISTA on there. My friend Andy Firth provided me with the following tricks to make my life easier
(it has a 64 GB solid state in there, so no hard-drive optimizations):
Switch Off User Ac... | {"url":"http://diaryofagraphicsprogrammer.blogspot.com/2008_09_01_archive.html","timestamp":"2014-04-20T03:09:57Z","content_type":null,"content_length":"115536","record_id":"<urn:uuid:257f94f7-1c97-489f-8f1d-269242b5f3d1>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00141-ip-10-147-... |
Posts from March 2011 on Xi'an's Og
We had sent our discussion paper of Murray Aitkin’s Statistical Inference, with Andrew Gelman and Judith Rousseau, to the review section of JASA, but were again unsuccessful as the paper was sent
back with the comments that “this paper is not a good fit for JASA Reviews. You may wis... | {"url":"http://xianblog.wordpress.com/2011/03/","timestamp":"2014-04-17T03:49:56Z","content_type":null,"content_length":"74616","record_id":"<urn:uuid:f7465413-5fe4-4cf3-8c5f-69af7b6ef2f5>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00123-ip-10-147-4-33.ec2.internal.warc.gz"} |
Is this done correctly?
September 16th 2007, 02:44 PM
Is this done correctly?
A tank contains 300 gal of salt free water. A brine containing .5lb of salt per gallon of water runs into the tank at the rate of 2 gal/min and the well stirred mixtur runs out at the rate of 2
gal/min. What is the concentration of th... | {"url":"http://mathhelpforum.com/calculus/19044-done-correctly-print.html","timestamp":"2014-04-18T13:45:00Z","content_type":null,"content_length":"6816","record_id":"<urn:uuid:80db93a4-0d64-4ca9-bbc3-c198fa2f0f16>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00096-ip-10-147-4-33.ec... |
In Praise of the Illustrious Lady
The Lady Vittoria Santacroce Borghese,
Roman Gentlewoman
In starting this Ballo, the man will take the lady by the ordinary hand, and together they will do the Riverenza minima, with 2 Continenze, 1 to the left, the other to the right; then they will do 8
Seguiti spezzati schisciati, 4... | {"url":"http://jducoeur.org/IlBallarino/Book2/Canario.html","timestamp":"2014-04-20T18:22:40Z","content_type":null,"content_length":"6512","record_id":"<urn:uuid:a292a5be-8c7c-496a-a17d-66e63063fa97>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00261-ip-10-147-4-33.ec2.internal.warc... |
Patent application title: APPARATUS AND METHOD FOR ADAPTIVE WHITENING IN A MULTIPLE ANTENNA SYSTEM
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An apparatus and method for controlling a whitening function of a whitening Maximum Ratio Combining (MRC) in a recei... | {"url":"http://www.faqs.org/patents/app/20130022160","timestamp":"2014-04-19T03:54:28Z","content_type":null,"content_length":"64461","record_id":"<urn:uuid:4c6d7145-1006-4a12-8a87-6379f50c18ae>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00397-ip-10-147-4-33.ec2.internal.warc.gz"} |
The Graph Theorists' Home Page Guide
by Jörg Zuther
What do you find on this page?
Why do I maintain this page?
You're a graph theorist and want to see your name here?
What can YOU do to improve this page?
The Pages
Links on this page have last been checked: May 30th, 2002
Last update: May 26th, 2006
• 25.05.200... | {"url":"http://www.joergzuther.de/math/graph/homes.html","timestamp":"2014-04-19T08:03:54Z","content_type":null,"content_length":"186035","record_id":"<urn:uuid:29d9476f-9c1a-48af-ad87-aaa41a21586e>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00620-ip-10-147-4-33.ec2.internal.warc.... |
FOM: Answers to some of Gonzales Cabillon's questions
JOE SHIPMAN, BLOOMBERG/ SKILLMAN jshipman at bloomberg.net
Wed Mar 18 15:18:02 EST 1998
1) Mathematics on other planets may be very different *BUT* the alien
mathematicians will *NOT* have any theorems formulable in the language of
arithmetic (equivalently in ZF wit... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1998-March/001592.html","timestamp":"2014-04-20T08:19:05Z","content_type":null,"content_length":"3592","record_id":"<urn:uuid:9bdfbeb0-d1db-4797-97ff-7920b56a9076>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00500-ip-10-147-4-33.ec2.intern... |
The University of Texas at Arlington - UT Arlington - UTA
The Department of Mathematics
478 Pickard Hall · Box 19408 · 817-272-3261
Academic Advising: 478 Pickard Hall · 817-272-3261
Bachelor's Degrees in Mathematics
The Department of Mathematics offers programs leading to the Bachelor of Science Degree in Mathematic... | {"url":"http://wweb.uta.edu/catalog/content/academics/department.aspx?college=SCIE&dept=MATH","timestamp":"2014-04-21T12:07:31Z","content_type":null,"content_length":"138156","record_id":"<urn:uuid:965b4e8b-72ae-4bf3-909e-bda2e4e0927e>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00... |
Lecture 23 continuous random variables
Random variables can be classified as either
discrete or continuous.
◦ Discrete: mostly counts
◦ Continuous: time, distance, etc.
1. They are used to describe different types
of quantities.
2. We use distinct values ... | {"url":"http://www.docstoc.com/docs/157698816/Lecture-23-continuous-random-variables","timestamp":"2014-04-19T18:02:45Z","content_type":null,"content_length":"56335","record_id":"<urn:uuid:a41fae47-4502-482e-91dd-1ebad0a60a25>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00295-ip-10... |
Bounded factorization property for Frechet spaces
Terzioğlu, Tosun and Zahariuta, Vyacheslav (2003) Bounded factorization property for Frechet spaces. Mathematische nachrichten, 253 (1). pp. 81-91. ISSN 0025-584X
PDF - Registered users only - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Official... | {"url":"http://research.sabanciuniv.edu/11446/","timestamp":"2014-04-19T00:44:56Z","content_type":null,"content_length":"16240","record_id":"<urn:uuid:8e122376-d233-4a8e-969a-a886b49d1bf2>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00213-ip-10-147-4-33.ec2.internal.warc.gz"} |
About the intrinsic definition of the Weyl group of complex semisimple Lie algebras
up vote 10 down vote favorite
It may be a easy question for experts.
The definition of the Weyl group of a complex semisimple Lie algebra $\mathfrak{g}$ is well-known: We first $\textbf{choose}$ a Cartan subalgebra $\mathfrak{h}$ and we... | {"url":"http://mathoverflow.net/questions/103751/about-the-intrinsic-definition-of-the-weyl-group-of-complex-semisimple-lie-algeb?sort=votes","timestamp":"2014-04-18T14:06:05Z","content_type":null,"content_length":"89600","record_id":"<urn:uuid:82597b0f-da3b-4ae8-94a5-4392df2923fd>","cc-path":"CC-MAIN-2014-15/segments/... |
percent of a solution...
August 29th 2011, 09:09 PM #1
Senior Member
Aug 2009
percent of a solution...
ok here is the question..
how many quarts of alcohol must be added to 10 quarts of a 25% alcohol solution to produce 40% alcohol solution?
i dunno i jus feel like i have too many unknowns..
i tried... | {"url":"http://mathhelpforum.com/algebra/186945-percent-solution.html","timestamp":"2014-04-17T23:16:41Z","content_type":null,"content_length":"36119","record_id":"<urn:uuid:4b64283d-264d-4d4c-97da-611adb5718c0>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00610-ip-10-147-4-33.ec2.i... |
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College Hill, PA Algebra 2 Tutor
Find a College Hill, PA Algebra 2 Tutor
...I currently hold an Elementary Education Certificate from New Jersey and passed my Praxis II test in Elementary Education. I currently teach math and science in grades five to seven with the
anticipation that I will be also teaching fifth g... | {"url":"http://www.purplemath.com/college_hill_pa_algebra_2_tutors.php","timestamp":"2014-04-18T14:18:16Z","content_type":null,"content_length":"24349","record_id":"<urn:uuid:b12affea-0f6f-4217-80ef-aca016f1bc21>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00059-ip-10-147-4-33.ec2.... |
Mission Viejo Prealgebra Tutor
Find a Mission Viejo Prealgebra Tutor
...Perfect shapes. Even though in the real world we have to deal with imperfect shapes, the base to be able to deal with them is perfect shapes. I passed more than 20 units of mathematics
including trigonometry, algebra, and calculus which all are... | {"url":"http://www.purplemath.com/Mission_Viejo_Prealgebra_tutors.php","timestamp":"2014-04-19T02:49:11Z","content_type":null,"content_length":"24289","record_id":"<urn:uuid:128d62d4-af23-4a2b-bead-17b1776dce3e>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00654-ip-10-147-4-33.ec2.in... |
What is Log?
Date: 26 Feb 1995 22:46:28 -0500
From: charley
Subject: Math questions
My name is Yutaka Charley and I'm in the 5th grade at PS150Q in NYC.
What's 4 to the half power?
What does log mean?
Thank you.
Date: 27 Feb 1995 21:54:12 -0500
From: Dr. Ken
Subject: Re: Math questions
Hello there!
I'll address your se... | {"url":"http://mathforum.org/library/drmath/view/58046.html","timestamp":"2014-04-19T09:54:33Z","content_type":null,"content_length":"7630","record_id":"<urn:uuid:d85419ee-1f1c-476a-916d-48db7791e3ac>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00128-ip-10-147-4-33.ec2.internal.warc... |
Physics Forums - View Single Post - Probability distribution using the Maxwell Boltzmann formula
Both sides were squared in that step. So on the right you have the integral times the integral. Remember that the variable you integrate over is a "dummy variable", that means it can be changed to a
different character and... | {"url":"http://www.physicsforums.com/showpost.php?p=4251853&postcount=2","timestamp":"2014-04-17T04:03:25Z","content_type":null,"content_length":"7252","record_id":"<urn:uuid:65d2f569-2e78-48ce-963a-d6447be4b012>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00032-ip-10-147-4-33.ec2.... |
An Example of MBH "Robustness"
In the MBH source code, they apply steps that purport to weight the temperature PCs in their regression calculations proportional to their eigenvalues. Comments on their code say:
c set specified weights on data
c weights on PCs are proportional to their singular values
This is on... | {"url":"http://climateaudit.org/2008/04/05/an-example-of-mbh-robustness/?like=1&source=post_flair&_wpnonce=eb9f8a7f00","timestamp":"2014-04-21T04:36:22Z","content_type":null,"content_length":"111258","record_id":"<urn:uuid:5b503fe0-11ee-464f-9758-74daacedcbc3>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/... |
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My grad school advisor keeps telling me that I need to write more about my thoughts and observations in the classroom for my action research project. I figure I might as well multi-task here and just
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West Easton, PA Prealgebra Tutor
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...The SAT Writing section is my favorite component of the test. I've consistently scored 800, often without a single error. The dreaded GMAT.
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