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Robust Output Model Predictive Control of an Unstable Rijke Tube
Journal of Combustion
Volume 2012 (2012), Article ID 927345, 11 pages
Research Article
Robust Output Model Predictive Control of an Unstable Rijke Tube
Institute of Automatic Control, RWTH Aachen University, 52074 Aachen, Germany
Received 6 January 2012; ... | {"url":"http://www.hindawi.com/journals/jc/2012/927345/","timestamp":"2014-04-17T16:55:57Z","content_type":null,"content_length":"330906","record_id":"<urn:uuid:79a0936a-0185-4a3d-9f7b-befed59c1459>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00260-ip-10-147-4-33.ec2.internal.warc.g... |
Teaching Statement Anthony Bak
Teaching Statement
Anthony Bak
I. Introduction
Teaching is a rewarding and enriching experience. My experiences have... | {"url":"http://www.docstoc.com/docs/114279755/Teaching-Statement-Anthony-Bak","timestamp":"2014-04-24T12:13:46Z","content_type":null,"content_length":"64716","record_id":"<urn:uuid:77e8d9d7-2c94-4c33-ab4d-fe2569209151>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00567-ip-10-147-4-33... |
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'Mystery Matrix' printed from http://nrich.maths.org/
Have a look at this table square or matrix:
Can you see how it has been constructed?
Why are some numbers in black and some in red?
Can you explain why the red $6$ is in that particular square?
Why is there a... | {"url":"http://nrich.maths.org/1070/solution?nomenu=1","timestamp":"2014-04-20T03:25:38Z","content_type":null,"content_length":"4039","record_id":"<urn:uuid:7c88a719-464d-462a-94d4-6608f86aee98>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00286-ip-10-147-4-33.ec2.internal.warc.gz"} |
Differential-Algebraic Equations and Their
Fifth SIAM Conference on Optimization
SIAM Short Course 2
... | {"url":"http://www.siam.org/meetings/archives/op96/scourse2.htm","timestamp":"2014-04-16T18:58:26Z","content_type":null,"content_length":"10516","record_id":"<urn:uuid:69738769-5c1a-4095-950d-e46248fc43e5>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00314-ip-10-147-4-33.ec2.internal... |
This Article
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Jan C. Bioch, Toshihide Ibaraki, "Generating and Approximating Nondominated Coteries," IEEE Transa... | {"url":"http://www.computer.org/csdl/trans/td/1995/09/l0905-abs.html","timestamp":"2014-04-20T23:31:02Z","content_type":null,"content_length":"61592","record_id":"<urn:uuid:b845ccbe-7f7c-43b8-86a9-54d395411378>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00300-ip-10-147-4-33.ec2.in... |
Mplus Discussion >> Centering and Intercepts in Mplus
Paraskevas Petrou posted on Wednesday, February 02, 2011 - 8:27 am
Dear Mplus users,
In the multilevel SEM model that I am testing I am encountering the following issues:
1. Is there any default centering method for the twolevel analysis in v6 of Mplus or do I still... | {"url":"http://www.statmodel.com/cgi-bin/discus/discus.cgi?pg=prev&topic=12&page=6681","timestamp":"2014-04-18T03:02:23Z","content_type":null,"content_length":"30307","record_id":"<urn:uuid:18ceaeae-781a-4d18-9565-7188a8ab6b8e>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00549-ip-10... |
Westchester SAT Math Tutor
Hi! Thank you for considering my tutoring services. I have a diverse background that makes me well suited to help you with your middle school through college level math classes, as well as
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17 Subjects... | {"url":"http://www.purplemath.com/westchester_sat_math_tutors.php","timestamp":"2014-04-20T21:18:34Z","content_type":null,"content_length":"23971","record_id":"<urn:uuid:683e48b1-040f-42f1-bd56-ec3e998d0af4>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00317-ip-10-147-4-33.ec2.inter... |
AS Level mechanics - 2 Particles moving together
September 28th 2011, 08:36 AM
AS Level mechanics - 2 Particles moving together
Please help me with this question, i have no idea how to answer it.
A motorcyclist M leaves a road junction at time t=0s. She accelerates at a rate of 3ms-2 for 8s and then maintains t... | {"url":"http://mathhelpforum.com/math-topics/189063-level-mechanics-2-particles-moving-together-print.html","timestamp":"2014-04-19T08:49:45Z","content_type":null,"content_length":"6068","record_id":"<urn:uuid:8f0b94da-59e2-410b-ad8a-dfa55b1b36f1>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140... |
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Topic: Closing text files before quitting level 1 Fortran Mex function
Replies: 0
Closing text files before q... | {"url":"http://mathforum.org/kb/thread.jspa?messageID=8184565&tstart=0","timestamp":"2014-04-17T10:41:54Z","content_type":null,"content_length":"14526","record_id":"<urn:uuid:91ba38d2-ed86-4efd-b3e7-f66ccc4873ad>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00483-ip-10-147-4-33.ec2.i... |
You wait all day for a bus…
Any and all didn’t appear in Python until version 2.5, released in 2006, when the language was already well into its teens.
Why the delay in offering such fundamental functions? An oversight? Or simply that they’re so easy to implement they weren’t thought necessary. Either way, they’re here... | {"url":"http://wordaligned.org/articles/all-any-none","timestamp":"2014-04-21T12:09:12Z","content_type":null,"content_length":"5726","record_id":"<urn:uuid:ce723cce-03ae-4b39-a83c-db138e2a7f9d>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00423-ip-10-147-4-33.ec2.internal.warc.gz"} |
Ioannidis on effect size inflation, with guest appearance by Bozo the Clown
Andrew Gelman posted a link on his blog today to a paper by John Ioannidis I hadn’t seen before. In many respects, it’s basically the same paper I wrote earlier this year as a commentary on the Vul
et al “voodoo correlations” paper (the comment... | {"url":"http://www.talyarkoni.org/blog/2009/11/21/ioannidis-on-effect-size-inflation-with-guest-appearance-by-bozo-the-clown/","timestamp":"2014-04-16T05:35:22Z","content_type":null,"content_length":"87051","record_id":"<urn:uuid:3452d0c6-415a-4493-bac1-82a36d3eda68>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.1... |
Inclusion and Neighborhood Properties for Certain Classes of Multivalently Analytic Functions
Journal of Complex Analysis
Volume 2013 (2013), Article ID 754598, 5 pages
Research Article
Inclusion and Neighborhood Properties for Certain Classes of Multivalently Analytic Functions
Civil Aviation College, Kocaeli Universi... | {"url":"http://www.hindawi.com/journals/jca/2013/754598/","timestamp":"2014-04-18T17:10:32Z","content_type":null,"content_length":"424535","record_id":"<urn:uuid:a1c1f5b8-5968-407d-a3fd-f189cc5882c4>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00380-ip-10-147-4-33.ec2.internal.warc... |
Paul Gustav Samuel Stäckel
Born: 20 August 1862 in Berlin, Prussia (now Germany)
Died: 12 December 1919 in Heidelberg, Germany
... | {"url":"http://www-gap.dcs.st-and.ac.uk/~history/Biographies/Stackel.html","timestamp":"2014-04-18T10:35:44Z","content_type":null,"content_length":"27592","record_id":"<urn:uuid:0143ff91-7bb0-4c0f-aca8-0bedd0660c33>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00514-ip-10-147-4-33.e... |
A curiosity
From Futility Closet, a fun blog of random tidbits I enjoy reading, comes the following curious sequence of equations, attributed to J.A.H. Hunter:
I managed to extend this pattern for a few more digits before I got bored. Does it continue forever or does it eventually stop? Is there any deeper mathematical... | {"url":"http://mathlesstraveled.com/2011/09/14/a-curiosity/","timestamp":"2014-04-19T07:05:30Z","content_type":null,"content_length":"83611","record_id":"<urn:uuid:9e46d2c8-6e34-4de1-b92b-4ed2d9c6ebae>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00104-ip-10-147-4-33.ec2.internal.wa... |
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To assess Mendel’s law of segregation using tomatoes, a true-b... | {"url":"http://openstudy.com/updates/50ff45f9e4b00c5a3be64782","timestamp":"2014-04-17T22:08:01Z","content_type":null,"content_length":"30082","record_id":"<urn:uuid:b5bc983b-fcb7-4a88-b0e1-8053bb1ff120>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00067-ip-10-147-4-33.ec2.internal.w... |
Chicago Heights Algebra 2 Tutor
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Fairless Hills Science Tutor
Find a Fairless Hills Science Tutor
...I believe the best results come from the combination of a dedicated student and a committed tutor, so I only accept assignments when I honestly believe I can make a difference.As an
undergraduate, I received an A in general zoology at the College o... | {"url":"http://www.purplemath.com/Fairless_Hills_Science_tutors.php","timestamp":"2014-04-16T13:26:46Z","content_type":null,"content_length":"24169","record_id":"<urn:uuid:c3725435-25ea-4f62-9d12-8486a73c59d1>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00049-ip-10-147-4-33.ec2.int... |
Reasoning: Mental Models
Long, long ago, Richard asked how reasoning works. I don't think I've really answered that question in the first three posts responding to Richard's question, and this post isn't likely to either,
but I hope I've provided some food for thought. In the
first post
, I talked about two types of re... | {"url":"http://mixingmemory.blogspot.com/2004/12/reasoning-mental-models.html","timestamp":"2014-04-21T09:36:21Z","content_type":null,"content_length":"104432","record_id":"<urn:uuid:50ea57d7-c662-4d5d-9c70-a0a59e6ce61e>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00341-ip-10-147-4... |
Perpenso Calc
You don't always have a calculator with you but
you always have your phone.
Perpenso^® Calc 4 is a calculator application for the Apple iPhone, iPad and iPod touch. It offers five calculators in one upgradable lite app: scientific, statistics, business, hex and bill/tip.
Scientific mode is included and th... | {"url":"http://www.perpenso.com/calc/index.html","timestamp":"2014-04-19T20:11:25Z","content_type":null,"content_length":"30146","record_id":"<urn:uuid:d05e4576-798a-47e5-aabb-bd35f35ba3bd>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00053-ip-10-147-4-33.ec2.internal.warc.gz"} |
Equation For Levitating Magnets?
If you are using electro-magnets it might be slightly easier because you can simply work to current values.
More current = stronger magnetic field. So you can increase the lifting force by increasing the current through the coil and simply use current values to show the lifting force.
I... | {"url":"http://www.physicsforums.com/showthread.php?t=458671","timestamp":"2014-04-18T08:21:28Z","content_type":null,"content_length":"30273","record_id":"<urn:uuid:08cb2ef6-2093-4b15-b3b7-58789a1816c6>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00629-ip-10-147-4-33.ec2.internal.w... |
Boyce E. Griffith
Assistant Professor of Medicine and Mathematics
New York University
Faculty, Leon H. Charney Division of Cardiology, Department of Medicine, New York University School of Medicine
Associated Faculty, Department of Mathematics, Courant Institute of Mathematical Sciences, New York University
Affiliated ... | {"url":"http://www.math.nyu.edu/~griffith/","timestamp":"2014-04-17T06:45:22Z","content_type":null,"content_length":"31142","record_id":"<urn:uuid:3369d76f-303d-4073-b3a1-bda30807ef4b>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00533-ip-10-147-4-33.ec2.internal.warc.gz"} |
Welcome to V-Maths
• Quick answers in one-line !
• Answers lead to intuition !!
• Intuition stimulates Brain !!!
Vedic Mathematics is pure mathematics Mathematics itself is of Vedic origin. The decimal number system currently in use was perceived by a Vedic Rishi up to 13 places.
They practised all fundamental op... | {"url":"http://vedic-maths.org/courses.html","timestamp":"2014-04-19T11:57:17Z","content_type":null,"content_length":"5748","record_id":"<urn:uuid:7d4e0ee6-9a89-459f-a339-38c81c83e97a>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00574-ip-10-147-4-33.ec2.internal.warc.gz"} |
Similar-Case-Based Optimization of Beam Arrangements in Stereotactic Body Radiotherapy for Assisting Treatment Planners
BioMed Research International
Volume 2013 (2013), Article ID 309534, 10 pages
Research Article
Similar-Case-Based Optimization of Beam Arrangements in Stereotactic Body Radiotherapy for Assisting Trea... | {"url":"http://www.hindawi.com/journals/bmri/2013/309534/","timestamp":"2014-04-18T02:59:21Z","content_type":null,"content_length":"166136","record_id":"<urn:uuid:f6182f62-8ad5-4599-afd8-77b692af8214>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00024-ip-10-147-4-33.ec2.internal.war... |
Decision Procedure for Inequalities between Homogeneous Polynomials
up vote 3 down vote favorite
Given two polynomials $p_1$ and $p2$ each of which is a multi-variate polynomial with positive integer coefficients, we want to decide if $p_1 \leq p_2$ over all integral values of the variables.
The undecidability of Hilbe... | {"url":"https://mathoverflow.net/questions/47618/decision-procedure-for-inequalities-between-homogeneous-polynomials/47693","timestamp":"2014-04-16T20:04:59Z","content_type":null,"content_length":"63399","record_id":"<urn:uuid:d269633e-f21e-45a1-ba5b-917900b35e1c>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/w... |
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Ein Fall struktureller Korruption? Die Familienbürgschaft in der Kollision unverträglicher Handlungslogiken (2000)
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Cryptology ePrint Archive: Report 2006/392
The Tate Pairing via Elliptic NetsKatherine E. StangeAbstract: We derive a new algorithm for computing the Tate pairing on an elliptic curve over a finite field. The algorithm uses a generalisation
of elliptic divisibility sequences known as elliptic nets, which are maps from ... | {"url":"http://eprint.iacr.org/2006/392","timestamp":"2014-04-18T05:32:12Z","content_type":null,"content_length":"2965","record_id":"<urn:uuid:c6428310-ca46-4f78-ae57-150635fb52a1>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00342-ip-10-147-4-33.ec2.internal.warc.gz"} |
Patton Vlg, TX Math Tutor
Find a Patton Vlg, TX Math Tutor
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more about tutoring for your specific situation and look forwa... | {"url":"http://www.purplemath.com/Patton_Vlg_TX_Math_tutors.php","timestamp":"2014-04-19T02:12:45Z","content_type":null,"content_length":"23540","record_id":"<urn:uuid:590162a5-8fdf-4b3a-a9bd-28db7a1bb107>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00640-ip-10-147-4-33.ec2.internal... |
Berichte des Fraunhofer-Instituts für Techno- und Wirtschaftsmathematik (ITWM Report)
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O. Iliev A. Mikelic P. Popov
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Recent Topology and its Applications Articles
Recently published articles from Topology and its Applications.
15 April 2014
Tulsi Srinivasan
We extend the theory of the Lusternik–Schnirelmann category to general metric spaces by means of covers by arbitrary subsets. We also generalize the definition of the strict categ... | {"url":"http://www.journals.elsevier.com/topology-and-its-applications/recent-articles/","timestamp":"2014-04-17T04:09:42Z","content_type":null,"content_length":"104867","record_id":"<urn:uuid:2c1c345d-7fba-4fc3-9cfd-7c249b238e67>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00572-ip... |
On the optimality of conditional expectation as a bregman predictor
Results 1 - 10 of 30
- JOURNAL OF MACHINE LEARNING RESEARCH , 2005
"... A wide variety of distortion functions are used for clustering, e.g., squared Euclidean distance, Mahalanobis distance and relative entropy. In this paper, we propose and analyze p... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=345731","timestamp":"2014-04-19T17:46:44Z","content_type":null,"content_length":"40863","record_id":"<urn:uuid:aea480ca-f16d-4d55-be44-194e410c4f8a>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00072-ip-10-147-4-33.ec2.internal.war... |
Branch Current Method,Loop Current Method,Equivalent Circuits,Thevenin’s and Norton’s Theorem,Determination of Thevenin and Norton Circuit Elements
: Missing argument 2 for wpdb::prepare(), called in /home3/nithish/public_html/btechzone.com/wp-content/plugins/sharebar/sharebar.php on line 112 and defined in
on line
992... | {"url":"http://btechzone.com/branch-current-methodloop-current-methodequivalent-circuitsthevenins-and-nortons-theoremdetermination-of-thevenin-and-norton-circuit-elements","timestamp":"2014-04-20T11:43:10Z","content_type":null,"content_length":"55832","record_id":"<urn:uuid:e0e023c2-75dd-483e-b1b9-a76ac540fbe9>","cc-pa... |
Impulse - definition of impulse
Impulse is defined as a
multiplied by the amount of time it acts over. In calculus terms, the impulse can be calculated as the integral of force with respect to time. Alternately, impulse can be calculated as the difference
between two given instances.
The SI units of impulse are N*s or ... | {"url":"http://physics.about.com/od/glossary/g/Impulse.htm","timestamp":"2014-04-20T15:52:09Z","content_type":null,"content_length":"34690","record_id":"<urn:uuid:62ae8a92-614f-44b9-8b70-f0b01473e914>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00562-ip-10-147-4-33.ec2.internal.war... |
Recent Topology and its Applications Articles
Recently published articles from Topology and its Applications.
15 April 2014
Tulsi Srinivasan
We extend the theory of the Lusternik–Schnirelmann category to general metric spaces by means of covers by arbitrary subsets. We also generalize the definition of the strict categ... | {"url":"http://www.journals.elsevier.com/topology-and-its-applications/recent-articles/","timestamp":"2014-04-17T04:09:42Z","content_type":null,"content_length":"104867","record_id":"<urn:uuid:2c1c345d-7fba-4fc3-9cfd-7c249b238e67>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00572-i... |
Ridgewood, NJ Precalculus Tutor
Find a Ridgewood, NJ Precalculus Tutor
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Maximal number of edges in a DAG when we bound the degree of the nodes
up vote 2 down vote favorite
Does anyone know how to build an acyclic directed graph with N nodes such that both: (1) the degree of the nodes is bounded (say less than k); and (2) the number of edges in the graph is maximal ?
I know that the problem... | {"url":"http://mathoverflow.net/questions/77804/maximal-number-of-edges-in-a-dag-when-we-bound-the-degree-of-the-nodes","timestamp":"2014-04-19T02:39:00Z","content_type":null,"content_length":"53453","record_id":"<urn:uuid:3d84a0ae-869f-4d02-9fea-2d540d3cd764>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/C... |
How to convert string equation to number in javascript?
up vote 0 down vote favorite
How to convert string equation to number in javascript?
Say I have "100*100" or "100x100" how do I evaluate that and convert to a number?
javascript jquery html
3 Is this homework? What have you tried so far? – JohnFx Apr 23 '12 at 18... | {"url":"http://stackoverflow.com/questions/10286386/how-to-convert-string-equation-to-number-in-javascript","timestamp":"2014-04-18T23:33:01Z","content_type":null,"content_length":"78363","record_id":"<urn:uuid:e9a0ce9a-7cb6-446a-a2a6-dbaab625eb02>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140... |
Clausal Function Definitions
A function may bind more than one argument by using a pattern, rather than a variable, in the argument position. Function expressions may have the form
fn pat => exp
where pat is a pattern and exp is an expression. Application of such a function proceeds much as before, except that the ... | {"url":"http://www.cs.cmu.edu/~rwh/introsml/core/clauses.htm","timestamp":"2014-04-25T02:58:17Z","content_type":null,"content_length":"17611","record_id":"<urn:uuid:b951c63e-5b2f-46f6-acbb-de3f7af4f267>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00640-ip-10-147-4-33.ec2.internal.w... |
Rosemont, IL Statistics Tutor
Find a Rosemont, IL Statistics Tutor
...Finally, I tutored math through college to stay fresh, and would be able to work with any student needing assistance at whatever point in their development they encounter geometry. I was an
advanced math student, completing the equivalent of pre-... | {"url":"http://www.purplemath.com/Rosemont_IL_Statistics_tutors.php","timestamp":"2014-04-20T01:56:08Z","content_type":null,"content_length":"24256","record_id":"<urn:uuid:58d9a712-d4cb-4587-bd44-13be47668887>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00503-ip-10-147-4-33.ec2.inte... |
positive and negative number calculator
positive and negative number calculator Related topics: algebra-calculator-software
Statistics Formula Cheat Sheet
prentice hall mathematics algebra 1 workbook
course outline for algebra ii
to calculate e value with the help of p and q values in rsa algorithm using java
sats pape... | {"url":"http://softmath.com/algebra-software/radical-equations/positive-and-negative-number.html","timestamp":"2014-04-19T22:48:11Z","content_type":null,"content_length":"37721","record_id":"<urn:uuid:85b47728-044d-4328-ad43-60a2375ae1cf>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217... |
Is an infinite series of random numbers possible?
As far as my limited understanding goes in physics, it is thought that since light can not escape from a black-hole that EM information under this paradigm ought not to either if this model is valid.
I don't know about other kinds of information, but at least the implic... | {"url":"http://www.physicsforums.com/showthread.php?p=3884681","timestamp":"2014-04-17T19:06:06Z","content_type":null,"content_length":"187381","record_id":"<urn:uuid:74ff686d-432b-4f25-a843-c7c0aa3b1700>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00638-ip-10-147-4-33.ec2.internal.... |
Memory Error while constructing Compound Dictionary
Alex Martelli aleaxit at yahoo.com
Wed Sep 8 08:48:45 CEST 2004
Benjamin Scott <mynewjunkaccount at hotmail.com> wrote:
> Thanks for the replies.
> First I will make a minor correction to the code I originally posted
> and then I will describe the original problem I a... | {"url":"https://mail.python.org/pipermail/python-list/2004-September/252855.html","timestamp":"2014-04-21T02:52:37Z","content_type":null,"content_length":"8620","record_id":"<urn:uuid:6166bb7a-e881-412b-ac3a-287eee367530>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00617-ip-10-147-... |
Venn diagram
Venn diagram, graphical method of representing categorical propositions and testing the validity of categorical syllogisms, devised by the English logician and philosopher John Venn (1834–1923). Long
recognized for their pedagogical value, Venn diagrams have been a standard part of the curriculum of introd... | {"url":"http://www.britannica.com/print/topic/625448","timestamp":"2014-04-19T07:47:30Z","content_type":null,"content_length":"14049","record_id":"<urn:uuid:eb18f7f0-c83b-45fe-9d0b-57fd788ed7d7>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00604-ip-10-147-4-33.ec2.internal.warc.gz"} |
Speeding tickets for R and Stata
April 10, 2011
By Murtaza Haider
How fast is R? Is it as fast in executing routines as the other off-the-shelf software, such as Stata? After some comparative experimentation, I found Stata to be 5 to 8 times faster than R.
For me, speed has not been a concern in the past. I had used R ... | {"url":"http://www.r-bloggers.com/speeding-tickets-for-r-and-stata/","timestamp":"2014-04-18T18:13:49Z","content_type":null,"content_length":"43604","record_id":"<urn:uuid:cfe8e880-4efc-4267-9b74-b2f901aba172>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00055-ip-10-147-4-33.ec2.inte... |
Condensation for L[U]
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
Does anyone know where I can find a proof for the Condensation Lemma for the L[U] hierarchy in Set Theory?
Thanks a lot.
u... | {"url":"http://mathoverflow.net/questions/41530/condensation-for-lu/41532","timestamp":"2014-04-19T18:03:28Z","content_type":null,"content_length":"60912","record_id":"<urn:uuid:adce5e61-0758-4955-b6a6-afeb26472a42>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00644-ip-10-147-4-33.e... |
The One Sided Balance Beam Problem
A one sided balance beam actually has two sides but one side is reserved for fixed weights that come with the set, and the other side is reserved for the object to be weighed. There are 4 weights
which will enable one to weigh any whole number of grams from 1 t0 15. What are they?
We ... | {"url":"http://www.sonoma.edu/users/w/wilsonst/Courses/Math_300/Groupwork/Nos23-/GWSp28.html","timestamp":"2014-04-16T16:59:52Z","content_type":null,"content_length":"3282","record_id":"<urn:uuid:cbe3b2e5-e012-4ba3-bd47-66f014035ddb>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-0042... |
Lesson Preview
What You'll Learn
1. To test if ratios can form a proportion
2. To use cross products
And Why
To compare answers to a survey, as in Example 1
Testing Ratios
You know that the ratios
You can write the equation
A proportion is an equation stating that two ratios are equal.
You can test a pair of ratios... | {"url":"http://www.phschool.com/iText/mgmath_course2/Ch05/05-04/PH_MSM2_ch05-04_Obj1.html","timestamp":"2014-04-19T11:56:44Z","content_type":null,"content_length":"11405","record_id":"<urn:uuid:8a2f2c59-dd86-4279-a414-df93e7610379>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00214-i... |
Math Doctor
To: All Dr. Math Doctors
From: Ian Underwood
Subject: Ask Dr. Math in March
Hi Math Doctors,
On average, we received 263 questions per day, and answered 130 of
them - just a skooch less than half. However, we answered 4044
questions, which is the first time we've broken the 4000... | {"url":"http://mathforum.org/dr.math/office_help/mathdoc.news/mathdocnews.mar02.html","timestamp":"2014-04-17T15:39:43Z","content_type":null,"content_length":"3893","record_id":"<urn:uuid:6d9036cd-5b07-4188-a467-c476c3a6e429>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00479-ip-10-1... |
interval graph
Results 1 - 10 of 22
- Journal of Algorithms , 1985
"... This is the nineteenth edition of a (usually) quarterly column that covers new developments in the theory of NP-completeness. The presentation is modeled on that used by M. R. Garey and myself
in our book ‘‘Computers and Intractability: A Guide to ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=436681","timestamp":"2014-04-23T19:59:51Z","content_type":null,"content_length":"38881","record_id":"<urn:uuid:7236929a-cf24-4ec3-8988-3f8ebac39aec>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00071-ip-10-147-4-33.ec2.internal.warc... |
The Black Vault Message Forums
I've been thinking, for whatever reason, what ET math would be like. I bet a lot of people would think that it and our math will not only be comparable, they will likely be essentially identical. For
example, the induction principle in arithmetic would likely also be a theorem in their ma... | {"url":"http://www.theblackvault.com/phpBB3/post118615.html","timestamp":"2014-04-20T08:33:45Z","content_type":null,"content_length":"53026","record_id":"<urn:uuid:ebbe8f3c-ee7c-4a1e-85fb-76dc3d6d005f>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00555-ip-10-147-4-33.ec2.internal.war... |
Second order freeness and fluctuations of random matrices: I. Gaussian and Wishart matrices and cyclic Fock spaces
Results 1 - 10 of 29
, 2008
"... Abstract. Linear statistics of eigenvalues in many familiar classes of random matrices are known to obey gaussian central limit theorems. The proofs of such results are usu... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=4414288","timestamp":"2014-04-18T14:30:07Z","content_type":null,"content_length":"39427","record_id":"<urn:uuid:9db10b61-97aa-4850-899b-4be895d91891>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00440-ip-10-147-4-33.ec2.internal.wa... |
[Numpy-discussion] Interpolation question
Andrea Gavana andrea.gavana@gmail....
Mon Mar 29 16:31:19 CDT 2010
Hi Brennan & All,
On 29 March 2010 00:46, Brennan Williams wrote:
> Andrea Gavana wrote:
>> As for your question, the parameter are not spread completely
>> randomly, as this is a collection of simulations done ... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2010-March/049654.html","timestamp":"2014-04-18T20:43:58Z","content_type":null,"content_length":"5569","record_id":"<urn:uuid:56787c42-3242-4ea0-8069-0523f1431bba>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00253-ip-10-147-4-... |
22 projects tagged "Linux"
DISLIN is a high-level, easy-to-use plotting library for displaying data as curves, bar graphs, pie charts, 3D-colour plots, surfaces, contours, and maps. Several output formats are supported, such
as X11, VGA, PostScript, PDF, CGM, HPGL, TIFF, and PNG. Plotting extensions for the interpreter... | {"url":"http://freecode.com/tags/linux?page=1&with=2906%2C2776&without=","timestamp":"2014-04-19T18:11:34Z","content_type":null,"content_length":"76866","record_id":"<urn:uuid:d08a8509-dbb9-4504-b47c-e2e8af94cb97>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00081-ip-10-147-4-33.ec2... |
pie chart
Definition of Pie Chart
● A Pie Chart is a circular chart which is divided into sectors in which the area of each sector represents the size of the data.
More about Pie Chart
• It is also known as circle graph.
• Pie charts are used to show data in proportion.
• When all the sectors are combined toget... | {"url":"http://www.icoachmath.com/math_dictionary/pie_chart.html","timestamp":"2014-04-18T08:18:40Z","content_type":null,"content_length":"8877","record_id":"<urn:uuid:c4178d73-70c6-40b5-9e59-9c16ada3cf91>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00227-ip-10-147-4-33.ec2.interna... |
What is an algebraic group over a noncommutative ring?
up vote 11 down vote favorite
Let $R$ be a (noncommutative) ring. (For me, the words "ring" and "algebra" are isomorphic, and all rings are associative with unit, and usually noncommutative.) Then I think I know what "linear
algebra in characteristic $R$" should be... | {"url":"http://mathoverflow.net/questions/12118/what-is-an-algebraic-group-over-a-noncommutative-ring?sort=votes","timestamp":"2014-04-16T16:27:13Z","content_type":null,"content_length":"91240","record_id":"<urn:uuid:f5c006b8-2080-484b-9fa6-5e3c04024de4>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAI... |
Calculating a Slope
Topographic Maps Tutorial
Topographic Maps Field Exercises
April 8, 2008
Calculating a Slope
Determining the average slope of a hill using a topographic map is fairly simple. Slope can be given in two different ways, a percent gradient or an angle of the slope. The initial steps to
calculating slope... | {"url":"http://geology.isu.edu/geostac/Field_Exercise/topomaps/slope_calc.htm","timestamp":"2014-04-18T15:40:18Z","content_type":null,"content_length":"6308","record_id":"<urn:uuid:3c2eb004-cfc6-41b1-a86b-d65dc41b7ec9>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00584-ip-10-147-4-3... |
Lynnfield Algebra 2 Tutor
Find a Lynnfield Algebra 2 Tutor
...I also utilize my own experiences to challenge students to think like psychologists and bring those skills to tackle future endeavors. I have extensive coursework and research experience in
the area of Physiology and completed my Master's degree in Physi... | {"url":"http://www.purplemath.com/lynnfield_ma_algebra_2_tutors.php","timestamp":"2014-04-21T10:57:49Z","content_type":null,"content_length":"24083","record_id":"<urn:uuid:7ed4aab9-ebb0-4243-b669-bcf594cc6942>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00212-ip-10-147-4-33.ec2.int... |
NA Digest Sunday, July 31, 1988 Volume 88 : Issue 30
NA Digest Sunday, July 31, 1988 Volume 88 : Issue 30
Today's Editor: Cleve Moler
Today's Topics:
From: William LeVeque <LEV@MATH.AMS.COM>
Date: Tue 26 Jul 88 10:49:23-EDT
Subject: AMS Matrix Short Course
Introductory Survey Lectures
"Matrix Theory and Application... | {"url":"http://netlib.org/na-digest-html/88/v88n30.html","timestamp":"2014-04-19T15:05:33Z","content_type":null,"content_length":"7133","record_id":"<urn:uuid:e85f4a58-689e-4ba8-876b-bb76443a876e>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00434-ip-10-147-4-33.ec2.internal.warc.gz... |
Finding the derivative of an inverse function
June 19th 2009, 07:19 PM #1
Finding the derivative of an inverse function
Find $(f^{-1})(a)$ for the function $f$ and real number $a$.
$f(x)=x^3+2x-1$, $a=2$
$f(x)=\frac{1}{27}(x^5+2x^3)$, $a=-11$
I'm having trouble with these. I've got a test on monday and ... | {"url":"http://mathhelpforum.com/calculus/93296-finding-derivative-inverse-function.html","timestamp":"2014-04-17T05:04:17Z","content_type":null,"content_length":"59570","record_id":"<urn:uuid:e22edb4e-ab96-488e-8ef3-ca84f87c1de1>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00306-i... |
- Handbook of Process Algebra, chapter 17
"... This chapter addresses the question how to verify distributed and communicating systems in an e#ective way from an explicit process algebraic standpoint. This means that all calculations are
based on the axioms and principles of the process algebras. ..."
Cited by 62 (16 s... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=59944","timestamp":"2014-04-18T06:01:06Z","content_type":null,"content_length":"16669","record_id":"<urn:uuid:6fea93ff-49d8-4277-8bda-49bc3f60fa57>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00230-ip-10-147-4-33.ec2.internal.warc... |
Trouble understanding the concepts behind the code
10-12-2012 #1
Registered User
Join Date
Oct 2012
For the assignment, I have to add upon the previous by including a function to detect that the characters inputted are appropriate. They can't be letters or symbols, can only be numbers, one
decimal, and only... | {"url":"http://cboard.cprogramming.com/c-programming/151348-trouble-understanding-concepts-behind-code.html","timestamp":"2014-04-16T22:56:25Z","content_type":null,"content_length":"88525","record_id":"<urn:uuid:15090b82-7f7d-4b36-a3b2-8b287b93f866>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-2014... |
Got Homework?
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Write 90% as a fraction in simplest form. its either 9/10,1, o... | {"url":"http://openstudy.com/updates/51016d30e4b03186c3f84255","timestamp":"2014-04-21T04:48:16Z","content_type":null,"content_length":"44186","record_id":"<urn:uuid:6d7c0569-357b-4f3d-ad1b-9ecd46fb8c47>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00364-ip-10-147-4-33.ec2.internal.... |
Conductor/Image Charge, Volume Charge Distribution
Hi tyj8i, welcome to PF!
2a. My understand is that the electric potential inside the shell is only affected by the enclosed q? Is that correct? Because if I was to place an image charge to solve the problem, the image charge
wouldn't contribute anything and since the s... | {"url":"http://www.physicsforums.com/showthread.php?t=344178","timestamp":"2014-04-17T07:24:33Z","content_type":null,"content_length":"27870","record_id":"<urn:uuid:2b8df4da-0a8c-4c30-9d10-0e5e13044aa7>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00147-ip-10-147-4-33.ec2.internal.w... |
[FOM] Re: Question on the Scope of Mathematics
A.P. Hazen a.hazen at philosophy.unimelb.edu.au
Sat Jul 31 01:09:15 EDT 2004
It has been pointed out (as a "sociological" fact) that
mathematicians, even when finding and convincing themselves of the
(probable) truth of propositions about undeniably mathematical
subjec... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2004-July/008375.html","timestamp":"2014-04-20T13:21:46Z","content_type":null,"content_length":"4589","record_id":"<urn:uuid:1780094f-90db-45c2-9591-716648e7ac4e>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00034-ip-10-147-4-33.ec2.intern... |
Quartic curve - what is the genus ?
up vote 1 down vote favorite
I am studying the following quartic curve:
$f(x,y) = c_1x^2 + c_2x^4 + c_3x^2y + c_4x^2y^2 + c_5y^2 + c_ 6y^3 + c_7y^4$
where $c_i$ are constant (in fact they are expressions in terms of other constants). Starting to learn a bit about curves, I found that... | {"url":"http://mathoverflow.net/questions/46618/quartic-curve-what-is-the-genus?sort=newest","timestamp":"2014-04-20T03:51:20Z","content_type":null,"content_length":"58566","record_id":"<urn:uuid:3cf20924-ef5c-440a-b025-32a556ddfd53>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00529... |
General Principles of Data Analysis
│General Principles of Data Analysis │1│
The choice of an appropriate statistical technique is a complex issue. Real-life data often contain mixtures of different types of data, which makes the choice of analysis technique somewhat
arbitrary. It is quite possible that two statistici... | {"url":"http://www.unesco.org/webworld/idams/advguide/Chapt1.htm","timestamp":"2014-04-24T05:22:30Z","content_type":null,"content_length":"8820","record_id":"<urn:uuid:29d8c5c9-8a7a-4b92-b0be-d8b6bcb34909>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00300-ip-10-147-4-33.ec2.internal... |
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Integral of (x^3.^root(4x-x^2) dx with integral limits 0,4 Int... | {"url":"http://openstudy.com/updates/50016af4e4b0848ddd65e890","timestamp":"2014-04-19T19:43:44Z","content_type":null,"content_length":"49375","record_id":"<urn:uuid:b5d33ca8-c50e-48e8-ba5c-3cce4ae477ce>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00446-ip-10-147-4-33.ec2.internal.w... |
Multiple Imputations Applied to the DREAM3 Phosphoproteomics Challenge: A Winning Strategy
DREAM is an initiative that allows researchers to assess how well their methods or approaches can describe and predict networks of interacting molecules [1]. Each year, recently acquired datasets are
released to predictors ahead ... | {"url":"http://www.ploscollections.org/article/info:doi/10.1371/journal.pone.0008012","timestamp":"2014-04-16T07:53:32Z","content_type":null,"content_length":"109218","record_id":"<urn:uuid:32b24021-181b-4f00-8fcb-e11775eb5de5>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00604-ip-10... |
Exponential Growth and Decay
Geologic context: radioactive decay, population growth, changes in atmospheric CO[2]
Teaching Exponential Growth and Decay
^by Jennifer M. Wenner, Geology Department, University of Wisconsin-Oshkosh Jump down to: Teaching strategies
Materials & Exercises
Student Resources
Exponential growth... | {"url":"http://serc.carleton.edu/quantskills/methods/quantlit/expGandD.html","timestamp":"2014-04-16T17:33:32Z","content_type":null,"content_length":"29748","record_id":"<urn:uuid:9cbf04b2-d6ea-461f-8525-d92aec5f7af4>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00629-ip-10-147-4-33.... |
On undecidability of the weakened Kruskal’s Theorem
- Journal of Symbolic Logic , 2003
"... For α less than ε0 let Nα be the number of occurrences of ω in the Cantor normal form of α. Further let |n | denote the binary length of a natural number n, let |n|h denote the h-times iterated
binary length of n and let inv(n) ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=955210","timestamp":"2014-04-20T17:58:16Z","content_type":null,"content_length":"14795","record_id":"<urn:uuid:43f294bc-7505-4242-a25d-c9ddaed99277>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00431-ip-10-147-4-33.ec2.internal.war... |
Maintainer Ertugrul Soeylemez <es@ertes.de>
Event system. None of these wires except event supports feedback, because they all can inhibit.
Producing events
after :: Monad m => Time -> Wire m a aSource
Produce a signal once after the specified delay and never again. The event's value will be the input signal at that p... | {"url":"http://hackage.haskell.org/package/netwire-1.2.6/docs/FRP-NetWire-Event.html","timestamp":"2014-04-19T22:22:39Z","content_type":null,"content_length":"20329","record_id":"<urn:uuid:8dd8d47d-df6c-4fc1-b73b-e78881650813>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00195-ip-10... |
Don't Lose Your Marbles - Game Rules
The basic game of marbles is a simple one. The first decision to make is if you are playing for "keepsies" where the winner gets to keep your marbles if you lose -- or just for fun.
Basic Rules
Players: 2 to 6 players.
Needed: Marbles (13 mibs and 1 shooter per player minimum) and a... | {"url":"http://www.kidsturncentral.com/topics/sports/marbles3.htm","timestamp":"2014-04-19T19:57:05Z","content_type":null,"content_length":"5803","record_id":"<urn:uuid:7bfd4402-3c00-4de0-a5de-4c2ac16f132e>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00422-ip-10-147-4-33.ec2.intern... |
Wolfram Demonstrations Project
The Locker Problem
Imagine a hallway with 100 lockers, all closed. 100 students are sent down the hall as follows: student 1 opens all the lockers; student 2 closes every other locker, beginning with the second;
student 3 changes the state of every third locker, beginning with the third; ... | {"url":"http://demonstrations.wolfram.com/TheLockerProblem/","timestamp":"2014-04-21T12:21:48Z","content_type":null,"content_length":"43547","record_id":"<urn:uuid:97a5a5d7-300e-4e20-887a-4d20e75d8f1f>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00656-ip-10-147-4-33.ec2.internal.wa... |
ALERT: Before you purchase, check with your instructor or review your course syllabus to ensure that you select the correct ISBN. Several versions of Pearson's MyLab & Mastering products exist for
each title, including customized versions for individual schools, and registrations are not transferable. In addition, you ... | {"url":"http://www.mypearsonstore.com/bookstore/precalculus-plus-new-mymathlab-with-pearson-etext-access-9780321828088","timestamp":"2014-04-17T10:49:40Z","content_type":null,"content_length":"25716","record_id":"<urn:uuid:ad6c906f-1f40-4f14-adec-a11580abdc5e>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/... |
marginal moment for random sums - question about proof
January 31st 2011, 03:29 AM #1
Senior Member
Nov 2010
Hong Kong
marginal moment for random sums - question about proof
Suppose that { $X_j$} is a sequence of intedependent identically distributed random variables and that N is a random variable taking n... | {"url":"http://mathhelpforum.com/advanced-statistics/169794-marginal-moment-random-sums-question-about-proof.html","timestamp":"2014-04-20T20:37:09Z","content_type":null,"content_length":"49710","record_id":"<urn:uuid:6bd3b9b1-ebd0-4d83-a221-a34908f28b7b>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MA... |
Linear Interpolation FP1 Formula
Re: Linear Interpolation FP1 Formula
Yes, the trig identities are probably best -- especially since the integral has to be between 0 and π/2.
Nothing from adriana yet tonight...
Re: Linear Interpolation FP1 Formula
When is that Birthday party scheduled for?
In mathematics, you don't und... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=257378","timestamp":"2014-04-20T18:46:50Z","content_type":null,"content_length":"34971","record_id":"<urn:uuid:2a9b1362-3552-4078-ac71-af963d6d1973>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00205-ip-10-147-4-33.ec2.internal.... |
Help with some questions...
December 29th 2006, 09:32 AM #1
Dec 2006
Help with some questions...
The first one - I have no idea...
the second - I guess we can use Cauchy's mean value theorem, but how??
the third - Taylor's theorem?
I do not really like the notation,
$y=y(x)$ and $x=x(y)$.
It... | {"url":"http://mathhelpforum.com/calculus/9355-help-some-questions.html","timestamp":"2014-04-18T14:38:38Z","content_type":null,"content_length":"57532","record_id":"<urn:uuid:1732fd03-738d-486f-af46-58892dbd81bb>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00548-ip-10-147-4-33.ec2... |
trying to write with Tex
Let's see: The number of my house is [math\] {\frac{1}{\sum\limits_{n = 1}^{\infty}{\frac{1}{n^2)\
Hello, tonio! Well, of course it doesn't work . . . Let's see: The number of my house is [math\] {\frac{1}{\sum\limits_{n = 1}^{\infty}{\frac{1}{n^2)\ You must start with [tex] . . . and close wit... | {"url":"http://mathhelpforum.com/latex-help/108477-trying-write-tex.html","timestamp":"2014-04-19T07:13:54Z","content_type":null,"content_length":"60058","record_id":"<urn:uuid:cd100a4c-d091-4bcf-accc-f680fcef48bc>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00018-ip-10-147-4-33.ec... |
Our Place in Space: The Milky Way Galaxy
Use your powers of estimation to figure out the answer! It's simple: start with a small amount and work your way out.
Have you ever tried to estimate the number of jellybeans in a jar? If so, you may have looked at the size of a single jellybean and compared it to the size of th... | {"url":"http://www.amnh.org/ology/features/milkyway/pages/MoreorLess_Hint.php","timestamp":"2014-04-18T18:21:24Z","content_type":null,"content_length":"5293","record_id":"<urn:uuid:a62d5867-ce48-497f-8a74-67e50e3195fa>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00026-ip-10-147-4-33... |
Course Meeting Times
Lectures: 2 sessions / week, 1.5 hours / session
This course covers the concepts and physical pictures behind various phenomena that appear in interacting quantum many-body systems. Key ideas/techniques to be covered include broken symmetry,
effective field theories, functional integral methods, an... | {"url":"http://ocw.mit.edu/courses/physics/8-513-many-body-theory-for-condensed-matter-systems-fall-2004/syllabus/","timestamp":"2014-04-19T20:26:45Z","content_type":null,"content_length":"30861","record_id":"<urn:uuid:dd10f44d-3cbc-4e19-aece-5c34b7c376ad>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-M... |
Are braid links proper links?
Take the 2-minute tour ×
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
Are braid links proper links? Or are the concepts involved unrelated?
Could you clarify what you mean by "braid link" and "proper link"?
Rya... | {"url":"http://mathoverflow.net/questions/53731/are-braid-links-proper-links?sort=oldest","timestamp":"2014-04-17T15:29:50Z","content_type":null,"content_length":"54308","record_id":"<urn:uuid:6c81055e-3041-4327-a67d-e2f5d8cf15b1>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00304-i... |
Net Positive Suction Head: NPSHR and NPSHA
Written by:
Joe Evans, Ph.D.
In Pumps & Systems January 2007, I wrote an article about cavitation and how a collapsing water vapor bubble can damage an impeller. Since then, I have received a number of requests to address Net
Positive Suction Head (NPSH) and its relationship t... | {"url":"http://www.pump-zone.com/topics/net-positive-suction-head-npshr-and-npsha","timestamp":"2014-04-16T10:16:30Z","content_type":null,"content_length":"53668","record_id":"<urn:uuid:ea8aa773-d3be-4dfb-940f-f81c7c72210d>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00225-ip-10-14... |
Inverse hyperbolic cotangent: 3D plots over the complex plane
3D plots over the complex plane
Entering the complex plane
Upper picture: in the upper half of the near the real axis viewed from the lower half‐plane. Lower picture: in the lower half of the near the real axis viewed from the upper half‐plane. Here the
comp... | {"url":"http://functions.wolfram.com/ElementaryFunctions/ArcCoth/visualizations/5/ShowAll.html","timestamp":"2014-04-19T17:13:24Z","content_type":null,"content_length":"83167","record_id":"<urn:uuid:b2ece7f6-572f-483f-8d9d-ce55f8cb6683>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-0... |
Where is this statement true?
October 20th 2011, 02:07 PM
Where is this statement true?
So, my calculus teacher just said in class today that, fxy = ((δ^2)f)/(δxδy) is true.
Where exactly is this true?
October 20th 2011, 02:13 PM
Re: Where is this statement true?
Not sure exactly what you're saying, but it ... | {"url":"http://mathhelpforum.com/calculus/190891-where-statement-true-print.html","timestamp":"2014-04-17T01:18:29Z","content_type":null,"content_length":"8906","record_id":"<urn:uuid:9555401e-afd0-4dc1-8cfe-3f7e1d06983d>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00266-ip-10-147-4... |
Two Sudoku Problems
Here are two Sudoku meta-problems I have been thinging about for a while.
The first is about the normal form of a sudoku. The rules of sudoku have a huge symmetry group of order (3!)^8 x 2 x 9! = 1.22E12. It is generated by permutations of rows in a group of three rows,
permutations of these groups,... | {"url":"http://atdotde.blogspot.com/2006/11/two-sudoku-problems.html","timestamp":"2014-04-19T11:56:28Z","content_type":null,"content_length":"72807","record_id":"<urn:uuid:0f3fac6c-3bdc-422f-86d7-316602d407ef>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00004-ip-10-147-4-33.ec2.in... |
Freckle Face
This lessson initiates the development of skills in collecting and recording data. Students collect data about a partner's face and tally the data from the whole class. They learn the convention for
displaying a set of five using tally marks. Then students create a pictograph and pose and answer questions ... | {"url":"http://illuminations.nctm.org/Lesson.aspx?id=545","timestamp":"2014-04-20T08:16:45Z","content_type":null,"content_length":"74478","record_id":"<urn:uuid:6e110d84-4136-414e-ba04-a945b1da6785>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00027-ip-10-147-4-33.ec2.internal.warc.... |
University Place Geometry Tutor
Find an University Place Geometry Tutor
...Lastly, reading comprehension skills and vocabulary skills play a big part in successfully navigating the reading tasks. I have worked with new learners, students with dyslexic patterns and
advanced students in reading skills. I have taught ... | {"url":"http://www.purplemath.com/University_Place_geometry_tutors.php","timestamp":"2014-04-21T07:19:25Z","content_type":null,"content_length":"24288","record_id":"<urn:uuid:4c3ac6cb-e669-4497-8fa8-605ee0960e0a>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00555-ip-10-147-4-33.ec2.i... |
Vector Derivatives
April 4th 2010, 05:35 PM #1
Apr 2010
Vector Derivatives
Given a vector field V(x,y,z) = (xi + yj + zk)/(r^3) where r = sqrt(x^2 + y^2 + z^2)
a) what is the x,y,z components of V(x,y,z)
b) partial derivatives of each component
do i substitute the r^3 with the sqrt thing or i just l... | {"url":"http://mathhelpforum.com/calculus/137287-vector-derivatives.html","timestamp":"2014-04-21T12:14:15Z","content_type":null,"content_length":"36847","record_id":"<urn:uuid:84ebf305-d753-42f6-901a-5b40716fe9cd>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00214-ip-10-147-4-33.ec... |
Marblehead Statistics Tutor
Find a Marblehead Statistics Tutor
...I have a PhD in physics and was a mathematics olympiad winner in high school. I've always been extremely good at math. I've taught all the math subjects that are included within the GMAT,
including algebra, geometry, and word problems.
47 Subjects:... | {"url":"http://www.purplemath.com/marblehead_ma_statistics_tutors.php","timestamp":"2014-04-18T23:25:46Z","content_type":null,"content_length":"24074","record_id":"<urn:uuid:630fb87c-4714-4006-8da3-22d66810e52d>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00594-ip-10-147-4-33.ec2.in... |
Posts by
Total # Posts: 1,940
Is this right?? Stats....
How many green elements are required to make this a legitimate probability distribution if there are a total of 50 elements in this sample? x red blue orange brown green P(x) 0.20 0.16 0.28 0.24
Would it be 0.12??
PLZ help!! Stats....
In testing a new drug, resea... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=Jennifer&page=8","timestamp":"2014-04-16T08:55:00Z","content_type":null,"content_length":"30094","record_id":"<urn:uuid:98e30d4a-1320-4d14-887a-3cc2b32e4dc3>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00470-ip-10-147-4-3... |
Find measures of angles, massive error !
December 12th 2009, 11:39 AM
Find measures of angles, massive error !
So this is the triangle I'm dealing with.
I have to find the measures of the angles x & y.
First thing I tried to do was find the measure of the angle @ A.
a/SinA = c/SinC
66/SinA = 25/Sin1... | {"url":"http://mathhelpforum.com/trigonometry/120081-find-measures-angles-massive-error-print.html","timestamp":"2014-04-18T19:05:37Z","content_type":null,"content_length":"11286","record_id":"<urn:uuid:8b56b52a-ba92-4863-b1f9-0d8d47994eee>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-2014041600521... |
Viewing and Camera Transforms, and
8 Using Viewing and Camera Transforms, and gluLookAt()
8.010 How does the camera work in OpenGL?
As far as OpenGL is concerned, there is no camera. More specifically, the camera is always located at the eye space coordinate (0., 0., 0.). To give the appearance of moving the camer... | {"url":"http://www.opengl.org/archives/resources/faq/technical/viewing.htm","timestamp":"2014-04-20T13:51:21Z","content_type":null,"content_length":"15371","record_id":"<urn:uuid:c151d28f-7ecb-4171-929c-6b35d5a53b5b>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00295-ip-10-147-4-33.... |
Locomotive Boilers and Engines
Cylinders. The formula commonly used in determining the thickness of boiler shells, circular tanks, and cylinders is
t = thickness of cylinder wall in inches
p = pressure in pounds per square inch
d = diameter of cylinder in inches
f = safe fiber stress which for cast ... | {"url":"http://sdrm.org/faqs/boilers/page131.html","timestamp":"2014-04-20T13:20:16Z","content_type":null,"content_length":"6991","record_id":"<urn:uuid:c7e65562-03b9-4fea-8287-4aea96204a46>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00272-ip-10-147-4-33.ec2.internal.warc.gz"} |
Relativity by Albert Einstein & Nigel Calder
The Special and the General Theory
ISBN 9781440627125 | 208 pages | 25 Jul 2006 | Penguin Classics | 8.26 x 5.23in | 18 - AND UP
Summary of Relativity Summary of Relativity Reviews for Relativity An Excerpt from Relativity
The Nobel Prize-winning scientist’s presentation of ... | {"url":"http://www.us.penguingroup.com/nf/Book/BookDisplay/0,,9781440627125,00.html?Relativity_Albert_Einstein","timestamp":"2014-04-19T20:34:56Z","content_type":null,"content_length":"31201","record_id":"<urn:uuid:5eee9dce-910d-42c2-9a41-8bff906e8b89>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-... |
LO 7-1.1: Identify equations, terms, factors, constants, variables, and coefficients
An equation is a statement that two quantities are equal. A variable is a letter that represents an unknown value. A root or solution of an equation is the value of the variable that makes the
equation a true statement.
x = 4 + 3 i... | {"url":"http://wps.prenhall.com/chet_cleaves_cmupdate_7/93/23910/6121211.cw/content/index.html","timestamp":"2014-04-21T02:01:29Z","content_type":null,"content_length":"37939","record_id":"<urn:uuid:4634269d-bbbc-4106-9160-92cd51f7833f>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-0... |
[Haskell-cafe] How to implement digital filters using Arrows
John Lask jvlask at hotmail.com
Mon Oct 31 23:19:02 CET 2011
On 1/11/2011 1:35 AM, Captain Freako wrote:
you need to study ArrowLoop and understand that. In the code
rec (y,s')<- arr f -< (x,s)
s<- delay s0 -< s'
the state is 'captured' in the recursiv... | {"url":"http://www.haskell.org/pipermail/haskell-cafe/2011-October/096479.html","timestamp":"2014-04-24T22:00:39Z","content_type":null,"content_length":"4883","record_id":"<urn:uuid:87ef5858-9329-4ef8-bd2f-42d3d49ea617>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00610-ip-10-147-4-3... |
Predation and Parasitism
Lotka-Volterra Equations
Competition involved two species, each of which negatively affected each other. Each species reduced the carrying capacity of the environment for the other.
Predation or parasitism, however, is an interaction where one species benefits (the predator or parasite) and the... | {"url":"http://www.bio.miami.edu/tom/courses/bil358/preddiscuss.html","timestamp":"2014-04-17T16:13:12Z","content_type":null,"content_length":"7210","record_id":"<urn:uuid:aec60409-b2c1-4efc-815e-7af8e01017f2>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00192-ip-10-147-4-33.ec2.inte... |
Measure for
Measure for measure
Issue 17
Nov 2001
Measure for Measure, or, How to make a carpet out of nothing.
"How long is a piece of string?" [1]
As long as you want it to be, of course! But when someone has asked that, either as a joke or to make... | {"url":"http://plus.maths.org/content/measure-measure","timestamp":"2014-04-18T03:00:13Z","content_type":null,"content_length":"66324","record_id":"<urn:uuid:b9e19b2e-52a8-429c-babd-9585a248b1c0>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00280-ip-10-147-4-33.ec2.internal.warc.gz"... |
Mathematics in a Postmodern Age: A Christian Perspective
The philosophy of mathematics is undergoing a significant revival, resulting in a recent spate of books representing the beginnings of new subfields of study. This book is an example of this: it is
the first book I know of (certainly in the last couple of centuri... | {"url":"http://www.maa.org/publications/maa-reviews/mathematics-in-a-postmodern-age-a-christian-perspective","timestamp":"2014-04-16T20:19:37Z","content_type":null,"content_length":"104771","record_id":"<urn:uuid:3a4c65b5-1c03-4566-a851-82d3a720dce4>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20... |
Posts from May 2011 on Random Math
The following exercise is taken from Atiyah-Macdonald, chapter 1.
Let $A$ be a commutative ring. Show that the following statements are equivalent:
(i) $X=\mbox{Spec }A$ is disconnected;
(ii) $A \cong A_1 \oplus A_2$, where neither $A_1$ or $A_2$ is the zero ring;
(iii) $A$ contains a... | {"url":"http://mathramble.wordpress.com/2011/05/","timestamp":"2014-04-21T15:02:57Z","content_type":null,"content_length":"40424","record_id":"<urn:uuid:7dde23d0-0461-42c1-b8d9-054099e2571b>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00028-ip-10-147-4-33.ec2.internal.warc.gz"} |
# Polynomials with no zero
April 9th 2009, 09:47 AM #1
MHF Contributor
May 2008
# Polynomials with no zero
Let $n \geq 0$ be an integer and $p$ a prime number. Find a formula for the number of monic polynomials of degree $n$ in $\mathbb{F}_p[x]$ which have no zero in $\mathbb{F}_p.$
Follow Math Help Forum o... | {"url":"http://mathhelpforum.com/math-challenge-problems/83021-polynomials-no-zero.html","timestamp":"2014-04-18T08:08:30Z","content_type":null,"content_length":"31740","record_id":"<urn:uuid:7cfd0081-2841-4448-aa56-a821cfb0dbfe>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00573-ip... |