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Bootstrapping for Propensity Score Analysis
November 26, 2013
By Jason Bryer
I am happy to announce that version 1.0 of the PSAboot package has been released to CRAN. This package implements bootstrapping for propensity score analysis. This deviates from typical
implementations such as boot in that it allows for separa... | {"url":"http://www.r-bloggers.com/bootstrapping-for-propensity-score-analysis/","timestamp":"2014-04-21T12:28:22Z","content_type":null,"content_length":"50074","record_id":"<urn:uuid:0a1574e3-d70a-4ac8-bdc2-2bdfdac3a4f1>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00115-ip-10-147-4... |
Negative activation energies in molecular modeling: diagnosis and cures
This post is inspired by a recent discussion with
Paolo in the comments section of this post.
So, you've found that the energy of your transition state (TS) is lower than your reactants (i.e. you have a negative activation energy). Don't panic, ins... | {"url":"http://molecularmodelingbasics.blogspot.com/2012/01/negative-activations-energies-in.html","timestamp":"2014-04-19T09:58:32Z","content_type":null,"content_length":"109139","record_id":"<urn:uuid:fd2ebdd3-ef80-4f63-89e4-591f6373ec9c>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-2014042303200... |
Portability non-portable (DeriveDataTypeable)
Stability unstable
Maintainer Marco Túlio Pimenta Gontijo <marcotmarcot@gmail.com>
Safe Haskell None
Chuchu is a system similar to Ruby's Cucumber for Behaviour Driven Development. It works with a language similar to Cucumber's Gherkin, which is parsed using package a... | {"url":"http://hackage.haskell.org/package/chuchu-0.1.4/docs/Test-Chuchu.html","timestamp":"2014-04-18T02:13:10Z","content_type":null,"content_length":"5467","record_id":"<urn:uuid:ef626c70-6fae-4760-a044-fc451fb238a4>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-20140416005212-00654-ip-10-147-4-3... |
Mega quiz
Mega quiz
How many of you guys have taken the megaquiz and have honestly i.e.
1. in 1st try
2. without using reference books,file, etc open
3. without testing the questions on another comp at the time
got 100%
Be honest. I did it a couple of days back and got 60%:eek:
I'm asking so... | {"url":"http://cboard.cprogramming.com/brief-history-cprogramming-com/7933-mega-quiz-printable-thread.html","timestamp":"2014-04-17T02:31:25Z","content_type":null,"content_length":"8057","record_id":"<urn:uuid:446f20c1-b885-4df4-82cd-1af747eeabf5>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-201404... |
Pgs 6 and 27 are on the same (double) sheet of newspaper. What are the pg no.s on the opposite side of the sheet? How... - Homework Help - eNotes.com
Pgs 6 and 27 are on the same (double) sheet of newspaper. What are the pg no.s on the opposite side of the sheet? How many pgs are there altogether?
The page numbers on t... | {"url":"http://www.enotes.com/homework-help/pgs-6-27-same-double-sheet-newspaper-what-pg-no-s-344686","timestamp":"2014-04-16T11:26:11Z","content_type":null,"content_length":"27156","record_id":"<urn:uuid:f021b093-53cb-408f-8bf0-fa3fa2fc57ef>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-2014042303... |
Resolution: standard / high
Figure 5.
Directional accuracy in yeast model simulations and microfluidics experiments. (A) Simulations of yeast model at different gradient slopes. L[slp ]= 0.1, 0.01, and 0.001 nM μm^-1 (L[mid ]= 10 nM) and
σ = 3. Using the wild-type model, at least 20 Monte Carlo simulations were perfo... | {"url":"http://www.biomedcentral.com/1752-0509/5/196/figure/F5","timestamp":"2014-04-21T07:07:41Z","content_type":null,"content_length":"12696","record_id":"<urn:uuid:cd30fec9-3167-44c0-8dfe-e225d5148c49>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00533-ip-10-147-4-33.ec2.internal... |
Cherry Hills Village, CO Trigonometry Tutor
Find a Cherry Hills Village, CO Trigonometry Tutor
...My name is David. In addition to my hours on Wyzant, I have 2+ years experience working in and out of schools as a Paraprofessional Teacher and Tutor in reading, writing, math, music, and
business for Elementary and Mi... | {"url":"http://www.purplemath.com/Cherry_Hills_Village_CO_Trigonometry_tutors.php","timestamp":"2014-04-18T09:03:41Z","content_type":null,"content_length":"24708","record_id":"<urn:uuid:c9c41a67-beb2-43fe-af0c-85baa6de9979>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00082-ip-10-14... |
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pecent notation for 0.13
• one year ago
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You... | {"url":"http://openstudy.com/updates/511afb34e4b03d9dd0c3704a","timestamp":"2014-04-19T07:13:19Z","content_type":null,"content_length":"36962","record_id":"<urn:uuid:e8138041-1210-4d92-8784-fa5805d8cb4e>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00567-ip-10-147-4-33.ec2.internal.... |
In the figure shown, the circle has center O and radius 50
Author Message
In the figure shown, the circle has center O and radius 50 [#permalink] 03 Jan 2011, 17:18
... | {"url":"http://gmatclub.com/forum/in-the-figure-shown-the-circle-has-center-o-and-radius-107309.html?fl=similar","timestamp":"2014-04-18T20:52:15Z","content_type":null,"content_length":"259835","record_id":"<urn:uuid:cb36a17d-2ae0-4273-89e1-ee9abd129451>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN... |
A bestiary of topologies on Sch
up vote 31 down vote favorite
The category of schemes has a large (and to me, slightly bewildering) number of what seem like different Grothendieck (pre)topologies. Zariski, ok, I get. Etale, that's alright, I think. Nisnevich?
pff, not a chance. There are various ideas about stacks I wo... | {"url":"http://mathoverflow.net/questions/74549/a-bestiary-of-topologies-on-sch/74987","timestamp":"2014-04-16T10:56:50Z","content_type":null,"content_length":"78796","record_id":"<urn:uuid:b70296a5-5b6e-4c43-b3ab-bf88bba3dc78>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00189-ip-1... |
Citizendium - building a quality general knowledge free online encyclopedia. Click here to join and contribute—free
Many thanks March 2014 donors; special to Darren Duncan. April 2014 donations open; need minimum total $100. Let's exceed that.
Donate here. Donating gifts yoursel... | {"url":"http://en.citizendium.org/wiki?title=Field_(mathematics)&oldid=100634246","timestamp":"2014-04-20T15:52:21Z","content_type":null,"content_length":"31554","record_id":"<urn:uuid:62e065e1-26bf-4511-b641-04a4980c0e4d>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00575-ip-10-147... |
categories: nonpareil dinats
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categories: nonpareil dinats
Here is an amusing observation, doubtless of no importance. In the middle
of a talk at Boulder in, I think, 1987, Bob Pare' came up with a class of
exotic dinatural endotransformations o... | {"url":"http://facultypages.ecc.edu/alsani/ct99-00(8-12)/msg00006.html","timestamp":"2014-04-20T05:42:48Z","content_type":null,"content_length":"4902","record_id":"<urn:uuid:fdf91887-d23a-4941-9283-a579bbc0da44>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00000-ip-10-147-4-33.ec2.i... |
from The American Heritage® Dictionary of the English Language, 4th Edition
• adj. Of, relating to, or characterized by conjecture; conjectural.
• adj. Statistics Involving or containing a random variable or variables: stochastic calculus.
• adj. Statistics Involving chance or probability: a stochastic stimulatio... | {"url":"https://www.wordnik.com/words/stochastic","timestamp":"2014-04-16T15:43:07Z","content_type":null,"content_length":"39244","record_id":"<urn:uuid:1a18aefc-8c1e-43c8-8ac0-0f1ffb87e617>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00148-ip-10-147-4-33.ec2.internal.warc.gz"} |
= Preview Document = Member Document = Pin to Pinterest
Practice reading graphs and interpreting data with this rainforest-themed set. Four pages.
Set of color posters explaining bar graphs and tally charts for multiple-choice testing format.
Answer the questions by interpreting the data presented in the ba... | {"url":"http://www.abcteach.com/directory/subjects-math-graphing-647-6-3","timestamp":"2014-04-17T03:59:45Z","content_type":null,"content_length":"146731","record_id":"<urn:uuid:42ca9322-6797-4ccd-96aa-25edd450be5f>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00241-ip-10-147-4-33.e... |
Looking for a particular family of C.Y quintics
up vote 6 down vote favorite
It is possible to construct (in many ways) a family of Calabi-Yau quintics $\mathcal{X}\rightarrow \Delta$, over disk, such that the fiber over $0$ has a singularities locally given by the equation
$x_1^2+x_2^2+x_3^2+x_4^2=0$ and the others ar... | {"url":"http://mathoverflow.net/questions/51571/looking-for-a-particular-family-of-c-y-quintics?sort=votes","timestamp":"2014-04-20T13:31:14Z","content_type":null,"content_length":"62385","record_id":"<urn:uuid:b14ab0b3-db34-4ece-95db-7288c438ac3d>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-2014... |
Washington, DC SAT Math Tutor
Find a Washington, DC SAT Math Tutor
...Also, I will not bill you for a lesson if a student or parent is not 100 percent satisfied. I try to be flexible with time. While I do have a 24-hour cancellation policy, I offer make up
16 Subjects: including SAT math, Spanish, reading, ESL/ESOL... | {"url":"http://www.purplemath.com/Washington_DC_SAT_math_tutors.php","timestamp":"2014-04-20T19:29:59Z","content_type":null,"content_length":"24399","record_id":"<urn:uuid:abe9034b-79f4-481f-ad76-517d9185a117>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00076-ip-10-147-4-33.ec2.inte... |
Convert cm to kg - Conversion of Measurement Units
›› Convert centimetre to kilogram
Error: We couldn't find a conversion between cm and kg [incompatible types]
Were you trying to convert length units or weight units?
Having trouble with a unit conversion?
Try doing a search, or posting to the forum.
You may also be lo... | {"url":"http://www.convertunits.com/from/cm/to/kg","timestamp":"2014-04-17T01:13:25Z","content_type":null,"content_length":"20067","record_id":"<urn:uuid:eaa08586-3fa4-4aa9-afe6-c4cec76b830f>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00216-ip-10-147-4-33.ec2.internal.warc.gz"} |
A strange example of typing in Ocaml
up vote 5 down vote favorite
it is quite strange that this ocaml snippet is well typed by the toplevel. Look at the structure, if g is of type int->int as shown in the toplevel, the h x = g x part of the structure would not be
able to get type-unified. So can any one clarify a bit?
... | {"url":"http://stackoverflow.com/questions/11105053/a-strange-example-of-typing-in-ocaml","timestamp":"2014-04-20T21:30:24Z","content_type":null,"content_length":"67935","record_id":"<urn:uuid:cfc1d618-8c7b-4413-8cec-2a11708129d5>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00326-i... |
= Preview Document = Member Document = Pin to Pinterest
Practice reading graphs and interpreting data with this rainforest-themed set. Four pages.
Set of color posters explaining bar graphs and tally charts for multiple-choice testing format.
Answer the questions by interpreting the data presented in the ba... | {"url":"http://www.abcteach.com/directory/subjects-math-graphing-647-6-3","timestamp":"2014-04-17T03:59:45Z","content_type":null,"content_length":"146731","record_id":"<urn:uuid:42ca9322-6797-4ccd-96aa-25edd450be5f>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00241-ip-10-147-4-33.e... |
FOM: basic concepts; structuralism
Stephen G Simpson simpson at math.psu.edu
Mon Oct 20 23:47:11 EDT 1997
Dear FOM people,
I'm delighted that our discussion of foundations of mathematics
(f.o.m.) is proceeding so vigorously.
Recent comments by Hilary Putnam, Vaughan Pratt, and John Baldwin
touch on some issues in f.o.m... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1997-October/000046.html","timestamp":"2014-04-25T06:47:00Z","content_type":null,"content_length":"9746","record_id":"<urn:uuid:b9e44641-af4a-4b6c-b5b4-c4ee7be648cf>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00515-ip-10-147-4-33.ec2.int... |
CAPM - Capital Asset Pricing Model
From Bogleheads
In finance, the capital asset pricing model (CAPM) ^[1] is used to determine a theoretically appropriate required rate of return of an asset, if that asset is to be added to an already
well-diversified portfolio, given that asset's non-diversifiable risk. The model tak... | {"url":"http://www.bogleheads.org/wiki/CAPM_-_Capital_Asset_Pricing_Model","timestamp":"2014-04-21T07:05:37Z","content_type":null,"content_length":"34246","record_id":"<urn:uuid:f077e118-4349-44ce-9206-de919681962b>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00130-ip-10-147-4-33.e... |
solving a system of transcendental equations
April 16th 2009, 04:32 AM #1
Apr 2009
solving a system of transcendental equations
I want to solve the system of three transcendental equations for A, B & C.
0.97*cos(B)*cos(C)-0.18*cos(B)*sin(C)+ 0.01*sin(B)=0.6304
0.97*(sin(A)*sin(C)+cos(A)*sin(B)*cos(C)-0.... | {"url":"http://mathhelpforum.com/advanced-math-topics/84025-solving-system-transcendental-equations.html","timestamp":"2014-04-17T07:28:51Z","content_type":null,"content_length":"36790","record_id":"<urn:uuid:314a4c8c-1638-40a9-b84f-3a28cbddb423>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-201404... |
Mathematics of the 19th-century - mathematical logic, algebra, number-theory, probability-theory - Kolmogorov,AN, Yushkevich,AP
Marsden, B. (1994) Mathematics of the 19th-century - mathematical logic, algebra, number-theory, probability-theory - Kolmogorov,AN, Yushkevich,AP. British Journal for the History of Science, ... | {"url":"http://kar.kent.ac.uk/19879/","timestamp":"2014-04-19T06:58:22Z","content_type":null,"content_length":"15996","record_id":"<urn:uuid:86747f55-47b5-4493-a317-76f4ed1f8efd>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00517-ip-10-147-4-33.ec2.internal.warc.gz"} |
Algebra of automata versus Process algebra
Algebra of automata versus Process algebra
The work I have been pursuing for some years with Nicoletta Sabadini and collaborators (Piergiulio Katis, Luisa de Francesco Albasini) has been the study of distributed and concurrent systems using
algebras of automata
, with the main... | {"url":"http://rfcwalters.blogspot.com/2009/12/algebra-of-automata-versus-process.html","timestamp":"2014-04-20T00:39:21Z","content_type":null,"content_length":"19395","record_id":"<urn:uuid:bfba6ece-7a6c-49a3-aa84-f9c2ca7949c6>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00415-ip-1... |
Cryptology ePrint Archive: Report 2007/169
On the Security of Protocols with Logarithmic Communication ComplexityMichael Backes and Dominique UnruhAbstract: We investigate the security of protocols with logarithmic communication complexity.
We show that for the security definitions with environment, i.e., Reactive Simu... | {"url":"http://eprint.iacr.org/2007/169","timestamp":"2014-04-18T13:07:17Z","content_type":null,"content_length":"3034","record_id":"<urn:uuid:8e366a96-965f-4855-a7d8-e7878f61a8f4>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00223-ip-10-147-4-33.ec2.internal.warc.gz"} |
all 11 comments
[–]picado1 point2 points3 points ago
sorry, this has been archived and can no longer be voted on
It's not solvable algebraically (what they teach in algebra). Most equations aren't. You can't solve cos(x)=x or x^x = 2 either.
And those aren't exceptions but are the norm; the ones you are used to are the... | {"url":"http://www.reddit.com/r/learnmath/comments/15hv1d/dont_know_find_all_values_a_such_that_xlogax/","timestamp":"2014-04-18T13:57:10Z","content_type":null,"content_length":"81018","record_id":"<urn:uuid:d4cdaadd-4602-412a-94b3-3ff67e7de502>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-2014041... |
Intermediate Algebra with Applications and Visualization, Fourth Edition
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Generalization of traces
up vote 1 down vote favorite
Hello all,
I already asked this question here, I hope it is ok to repeat it.
A trace can be defined for endomorphisms of dualizable objects in a closed symmetric monoidal category. More concretely, in the category of $R$-modules for any associative ring $R$, a trace... | {"url":"http://mathoverflow.net/questions/112017/generalization-of-traces","timestamp":"2014-04-21T08:08:58Z","content_type":null,"content_length":"52805","record_id":"<urn:uuid:970cd14d-7bfc-4774-9139-9fe7bbe1f68b>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00511-ip-10-147-4-33.e... |
IntroductionResults and DiscussionCosmic Self-SimilarityDocumented ExamplesNucleon PackingGeneral Covalence in MoleculesFibonacci PhyllotaxisThe Solar SystemAtomic StructureMolecular StructureThe Structure HypothesisMolecular ShapeAlkanesPolypeptidesSilica NanostructuresDiscussionSpace-time Geometry4D CrystallographyTh... | {"url":"http://www.mdpi.com/1422-0067/11/11/4267/xml","timestamp":"2014-04-17T15:53:12Z","content_type":null,"content_length":"84026","record_id":"<urn:uuid:c6ca29f8-4e23-440f-bf91-cd88410a0657>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00591-ip-10-147-4-33.ec2.internal.warc.gz"} |
Design of the CWP Optimization Library
Next: COOOL Classes Up: The CWP Object-Oriented Optimization Previous: A Quick Look
The three criteria behind the development of COOOLare:
1. It should provide a consistent application programming interface for solving optimization problems. By ``consistent'', we mean that op... | {"url":"http://coool.mines.edu/report/node6.html","timestamp":"2014-04-19T02:19:18Z","content_type":null,"content_length":"2970","record_id":"<urn:uuid:63201b0a-5679-4b80-b443-898e760bad2c>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00122-ip-10-147-4-33.ec2.internal.warc.gz"} |
Shrewsbury, MA Prealgebra Tutor
Find a Shrewsbury, MA Prealgebra Tutor
...Other examples of the things I am talking about include computer science (programming) and music theory. What these all have in common is that they are systems of rules and definitions that,
once understood, can yield endless creative opportu... | {"url":"http://www.purplemath.com/Shrewsbury_MA_prealgebra_tutors.php","timestamp":"2014-04-17T10:45:39Z","content_type":null,"content_length":"24147","record_id":"<urn:uuid:a991786f-a019-4b88-bd15-974d8d56e6ad>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00327-ip-10-147-4-33.ec2.in... |
function in excel 2007
I have a next function that stopped working in Excel 2007, what should be changed?
Function GetFolderPath() As String
Dim oShell As Object
Set oShell = CreateObject("Shell.Application"). _
BrowseForFolder(0, "Select folder to retrieve files:", 0, "c:")
If Not oShell Is Nothing Th... | {"url":"http://www.knowexcel.com/view/122516-workaround-missing-repeat-item-labels-function-in-excel-2007.html","timestamp":"2014-04-16T04:30:51Z","content_type":null,"content_length":"53545","record_id":"<urn:uuid:84c98f4e-5db4-4a5b-89cc-33e9224d5a38>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-... |
Particle Model for RBC
A particle-based model for the transport of erythrocytes in capillaries
S. Majid Hosseini & James J. Feng
... | {"url":"http://www.math.ubc.ca/~jfeng/Publications/Abstracts/09_CES.htm","timestamp":"2014-04-19T12:23:10Z","content_type":null,"content_length":"2649","record_id":"<urn:uuid:60d68a18-3d86-4e43-a5f8-9325ed6f11fd>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00004-ip-10-147-4-33.ec2.... |
Essential Details of One Representative Gödel Machine
Next: Proof Techniques Up: Gödel Machines: Self-Referential Universal Previous: Limitations of Gödel Machines
Essential Details of One Representative Gödel Machine
Notation. Unless stated otherwise or obvious, throughout the paper newly introduced variables and ... | {"url":"http://www.idsia.ch/~juergen/gmweb4/node7.html","timestamp":"2014-04-20T10:48:15Z","content_type":null,"content_length":"7165","record_id":"<urn:uuid:41f66e0c-4aa3-4063-a2e5-de70311980c1>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00228-ip-10-147-4-33.ec2.internal.warc.gz"... |
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(a) Fifth-order, 3D spectroscopy has five strong pump pulses which generate a fifth-order polarization, which interferes with a local oscillator, LO. (b) The four double-sided Feynman diagrams for
the phas... | {"url":"http://scitation.aip.org/content/aip/journal/jcp/130/16/10.1063/1.3122982","timestamp":"2014-04-18T21:55:54Z","content_type":null,"content_length":"82781","record_id":"<urn:uuid:4be22792-f15d-44a0-b56b-d24921a41b66>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00126-ip-10-147... |
Newtown Square Math Tutor
...I have life guarded in a variety of settings including schools, universities, summer camps and private beaches. As a Masters level clinical therapist, I have worked with children and
adolescents with a variety of behavioral and emotional issues. I have done psychological assessment and ... | {"url":"http://www.purplemath.com/newtown_square_pa_math_tutors.php","timestamp":"2014-04-16T07:47:20Z","content_type":null,"content_length":"23986","record_id":"<urn:uuid:3aec67bf-83a1-429b-bfb6-298c241aad2b>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00013-ip-10-147-4-33.ec2.inte... |
Does the first singular cohomology of an ACM surface vanish?
up vote 3 down vote favorite
Hi everybody, I am interested in the following:
Let $I\subset S=\mathbb{C}[x_0,\ldots ,x_n]$ be a graded ideal such that $\operatorname{depth}(S/I)\geq 3$, and let $X^h$ denote the analytic space associated to $X=\operatorname{Pro... | {"url":"http://mathoverflow.net/questions/83809/does-the-first-singular-cohomology-of-an-acm-surface-vanish","timestamp":"2014-04-16T22:53:34Z","content_type":null,"content_length":"73685","record_id":"<urn:uuid:2e8b7d91-8af6-435d-b446-41463c0b4ec5>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-2014... |
No matter where your power comes from, however, all of the equipment and devices that use power—whether from rooftop solar panels, the public grid, rechargeable batteries, or gas-powered engines—are
generally based on some basic principles. Devices range from flashlights and phones to automobiles, televisions, and comp... | {"url":"http://www2.cincinnati.com/niecincy/archive/2008/09/22/?from=global","timestamp":"2014-04-25T07:17:55Z","content_type":null,"content_length":"41103","record_id":"<urn:uuid:52693cf1-145f-4db9-8441-e8add5a78e32>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00331-ip-10-147-4-33... |
How To: Read Capacitor Values
Capacitors are categorised in terms of their capacitance, voltage and construction - so it is often necessary to tell different similar-looking capacitors apart based on their value markings.
Electrolytic capacitors are marked in terms of micro Farads (uF) - these are easy to interpret.
Fo... | {"url":"http://little-scale.blogspot.com/2013/03/how-to-read-capacitor-values.html","timestamp":"2014-04-18T15:21:10Z","content_type":null,"content_length":"78365","record_id":"<urn:uuid:f0a72c78-a422-4b2f-84b9-1d55995329b8>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00527-ip-10-1... |
Solids of Revolution
February 13th 2009, 08:11 AM
Solids of Revolution
Really need help, need to check my answers. These are parts of a review so..
#1 Region M is bounded by the x-axis, x=4 and the graph of $LN(x)$
is the interval 1 to 4?
a) find the volume of the solid created by revolving M around y=-... | {"url":"http://mathhelpforum.com/calculus/73476-solids-revolution-print.html","timestamp":"2014-04-23T20:18:11Z","content_type":null,"content_length":"14847","record_id":"<urn:uuid:826544b0-cb88-4d38-a238-e37c468d56c3>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00209-ip-10-147-4-33... |
Results 1 - 10 of 23
- In Proc. 12th European Symposium on Algorithms, volume 3221 of Lecture Notes Comput. Sci , 2004
"... ..."
- In: VMCAI’11. LNCS , 2011
"... Abstract. We define several abstract semantics for the static analysis of finite precision computations, that bound not only the ranges of values taken by num... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=825356","timestamp":"2014-04-18T20:25:31Z","content_type":null,"content_length":"37497","record_id":"<urn:uuid:51c522a6-ada8-4e2b-a5e4-f8ef66466912>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00376-ip-10-147-4-33.ec2.internal.warc... |
Boca Raton Calculus Tutor
Find a Boca Raton Calculus Tutor
...I am pursuing a graduate degree focused in Statistics. I can also tutor basic programming in C++, Python, or Matlab. I am curious, like to help others, and always eager to keep learning.
24 Subjects: including calculus, reading, physics, statistics
.... | {"url":"http://www.purplemath.com/Boca_Raton_Calculus_tutors.php","timestamp":"2014-04-16T18:58:46Z","content_type":null,"content_length":"24160","record_id":"<urn:uuid:e3f84851-c000-4c14-8851-072fa7967a13>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00509-ip-10-147-4-33.ec2.intern... |
Closed Set of Elements
Date: 06/30/2001 at 20:22:13
From: Craig Murai
Subject: Algebra
Can someone please explain to me the meaning of the word 'CLOSED' used
in the following sentence that I came across in a math text?
'... set of complex numbers is CLOSED under addition... '.
Date: 07/01/2001 at 12:14:19
From: Doctor... | {"url":"http://mathforum.org/library/drmath/view/52452.html","timestamp":"2014-04-21T15:00:15Z","content_type":null,"content_length":"6320","record_id":"<urn:uuid:973f98b3-0363-44d5-85fa-50f770da33b6>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00371-ip-10-147-4-33.ec2.internal.war... |
WME@Kimpton Middle
symbols for numbers, or numerals. In the first place, it was necessary for humans to invent symbols for numerals.
You may ask who invented the numerals that the whole world use today for mathematics. That is a long story. For sure different parts of the world had used different numerals and it is sti... | {"url":"http://wme.cs.kent.edu/kimpton/int_symbols.html?index=/kimpton/int_index.html&indexname=back+to+module","timestamp":"2014-04-16T13:03:01Z","content_type":null,"content_length":"5486","record_id":"<urn:uuid:265b368b-785c-4443-8e4d-c550f40f7e52>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20... |
to Electromagnetics
1 Introduction to Electromagnetics
Electromagnetic fields are caused by electric charges at rest and in motion. Positive and negative electric charges are sources of the electric fields and moving electric charges yielding a current
is the source of magnetic fields. Time-varying electric and magneti... | {"url":"http://www.dannex.se/theory/1.html","timestamp":"2014-04-17T00:51:00Z","content_type":null,"content_length":"10583","record_id":"<urn:uuid:c7f6447d-0c83-4dd3-bc01-d19767c21a2f>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00099-ip-10-147-4-33.ec2.internal.warc.gz"} |
Overview and topics
A growing population of mathematicians, computer scientists, and engineers use computers to construct and verify proofs of mathematical results. Among the various approaches to this activity, a
fruitful one relies on interactive theorem proving. When following this approach, researchers have... | {"url":"http://www-sop.inria.fr/manifestations/MapSpringSchool/","timestamp":"2014-04-16T21:52:12Z","content_type":null,"content_length":"7936","record_id":"<urn:uuid:24ee6fd7-5922-43cc-ac98-b260053d8052>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00083-ip-10-147-4-33.ec2.internal... |
Syntax stats_mw_test::= Description of the illustration stats_mw_test.gif Purpose
A Mann Whitney test compares two independent samples to test the null hypothesis that two populations have the same distribution function against the alternative hypothesis that the two distribution
functions are different.
The STATS_MW_T... | {"url":"http://www.stanford.edu/dept/itss/docs/oracle/10g/server.101/b10759/functions140.htm","timestamp":"2014-04-19T03:38:30Z","content_type":null,"content_length":"10572","record_id":"<urn:uuid:534c7ef6-22c2-4f95-a938-c611dd1156aa>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-0048... |
Vibration Analysis and Signal Processing in LabVIEW
1. Introduction
Sound and vibration transducers produce complex time series waveforms, within which are many specific signatures. It is important to understand these different vibration signatures and how to
properly extract them for trending analysis. With proper sig... | {"url":"http://www.ni.com/white-paper/9230/en/","timestamp":"2014-04-20T13:24:31Z","content_type":null,"content_length":"78522","record_id":"<urn:uuid:a7e584b2-5d66-41c7-8f4d-a8fe3220fac1>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00253-ip-10-147-4-33.ec2.internal.warc.gz"} |
Hopewell, NJ SAT Math Tutor
Find a Hopewell, NJ SAT Math Tutor
...Throughout the years, I have aided students, ranging from 7th grade to graduate students, achieve their goals in academics, national standardized tests, and college preparation. Many students
receiving help in SAT and academics were able to reach the... | {"url":"http://www.purplemath.com/Hopewell_NJ_SAT_Math_tutors.php","timestamp":"2014-04-20T21:13:37Z","content_type":null,"content_length":"24254","record_id":"<urn:uuid:e64b979e-9ac5-4a2d-bf76-edbaa9c6635c>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00175-ip-10-147-4-33.ec2.inter... |
Math Forum Discussions
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Topic: Binary or Logical Selection : Given an array A and a binary
orlogical vector S, how do I select the row... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=2404400&messageID=7895229","timestamp":"2014-04-19T14:46:20Z","content_type":null,"content_length":"19010","record_id":"<urn:uuid:4082f153-8587-46a4-b641-604097114171>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00097-ip-10-147-4-... |
Lesson 2.1 Key Terms
to draw a geometric figure around another figure so that the two are in contact but do not intersect
a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
(1) A hole consisting of two depths so that the top of the head of an inserted ... | {"url":"http://quizlet.com/10772262/lesson-21-key-terms-flash-cards/","timestamp":"2014-04-20T08:20:00Z","content_type":null,"content_length":"96533","record_id":"<urn:uuid:8fece655-129a-4544-9f1b-abc1a597d4d8>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00099-ip-10-147-4-33.ec2.int... |
Homework Help
Posted by Lou on Monday, April 13, 2009 at 8:35pm.
The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.
Calculate the percent copper in pure copper sulfate pentahydrate(this is the theoretical percent copper). One mole of copper has a mass of 63.55 g, and by additio... | {"url":"http://www.jiskha.com/display.cgi?id=1239669331","timestamp":"2014-04-16T19:58:49Z","content_type":null,"content_length":"10862","record_id":"<urn:uuid:1d3685d0-bf8d-492c-bc6f-54ff030c12ad>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00439-ip-10-147-4-33.ec2.internal.warc.g... |
Galilean transformation
Topic: Galilean transformation
Related Topics
In the News (Sun 13 Apr 14)
Lorentz transformation - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-07)
Under these transformations, the speed of light is the same in all reference frames, as postulated by special rel... | {"url":"http://www.factbites.com/topics/Galilean-transformation","timestamp":"2014-04-16T04:11:09Z","content_type":null,"content_length":"49614","record_id":"<urn:uuid:81d82ef6-ec18-48eb-8a8d-fef66ffba0e9>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00067-ip-10-147-4-33.ec2.interna... |
de Bruijn, On the number of positive integers ≤ x and free of prime factors ≥ y, Indag
Results 1 - 10 of 21
- Mathematics of computation , 1996
"... Abstract. We call an integer semismooth with respect to y and z if each of its prime factors is ≤ y, and all but one are ≤ z. Such numbers are useful in various factoring ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=387404","timestamp":"2014-04-16T18:13:47Z","content_type":null,"content_length":"33742","record_id":"<urn:uuid:c3eb9cab-35d9-458e-8a0b-7c23da7d4ec0>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00493-ip-10-147-4-33.ec2.internal.war... |
Re: [Axiom-developer] Re: hyperdoc
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Re: [Axiom-developer] Re: hyperdoc
From: root
Subject: Re: [Axiom-developer] Re: hyperdoc
Dat... | {"url":"http://lists.gnu.org/archive/html/axiom-developer/2005-01/msg00351.html","timestamp":"2014-04-17T21:27:17Z","content_type":null,"content_length":"8211","record_id":"<urn:uuid:b14c0316-1bfd-440a-a46c-60111e307357>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00275-ip-10-147-4... |
Isometrical (definition)
I`so*met"ric (?), I`so*met"ric*al (?), a. [Iso- + Gr. measure.]
Pertaining to, or characterized by, equality of measure.
2. Crystallog.
Noting, or conforming to, that system of crystallization in which the three axes are of equal length and at right angles to each other; monometric; regular; cu... | {"url":"http://everything2.com/user/Webster+1913/writeups/Isometrical","timestamp":"2014-04-18T16:23:32Z","content_type":null,"content_length":"18456","record_id":"<urn:uuid:3482c352-b916-4f01-aba3-b4cb7561372e>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00560-ip-10-147-4-33.ec2.i... |
Hansel Giveaway... Win a 100$ dress!
We are so happy to announce this second giveaway!
We decided to take a little break from blogging, and dedicate a couple of weeks to YOU, our readers. Just so you can get the chance to win a bunch of free things.
This time we have teamed up with
, who is offering one of our readers ... | {"url":"http://angelasquared.blogspot.com/2012/10/i-love-hansel-giveaway-win-100-dress.html","timestamp":"2014-04-18T08:02:47Z","content_type":null,"content_length":"455145","record_id":"<urn:uuid:c66137c5-a742-442d-ab08-7a7bd49db993>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-000... |
Trigonometric Ratios
2.1: Trigonometric Ratios
Created by: CK-12
This activity is intended to supplement Trigonometry, Chapter 1, Lesson 3.
ID: 9534
Time required: 35 minutes
Activity Overview
Students will use a graphing calculator to discover the relationship between the trigonometric functions: sine, cosine and tang... | {"url":"http://www.ck12.org/tebook/Texas-Instruments-Trigonometry-Teacher%2527s-Edition/r1/section/2.1/TE-Trigonometry-and-Right-Angles---TI-%253A%253Aof%253A%253A-Texas-Instruments-Trigonometry-Teacher%2527s-Edition/","timestamp":"2014-04-17T06:57:30Z","content_type":null,"content_length":"111915","record_id":"<urn:uu... |
Combinatorial Model Categories
Posted by Urs Schreiber
Over the last years Jeff Smith has been thinking about – and notably talking about – but not publishing about – the idea and the theory of a certain type of model category called
While he himself didn’t publish, the theory was found to be very useful and bits and p... | {"url":"http://golem.ph.utexas.edu/category/2009/11/combinatorial_model_categories.html","timestamp":"2014-04-20T03:12:12Z","content_type":null,"content_length":"18333","record_id":"<urn:uuid:b4370f6f-cff9-47e3-94f6-c723fa4f9069>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00536-ip... |
Convex Non-Negative Matrix Factorization in the Wild
Christian Thurau, Kristian Kersting and Christian Bauckhage
In: ICDM 2009, 6-9 Dec 2009, Miami, USA.
Non-negative matrix factorization (NMF) has recently received a lot of attention in data mining, information retrieval, and computer vision. It factorizes a non-negat... | {"url":"http://eprints.pascal-network.org/archive/00006497/","timestamp":"2014-04-18T03:19:50Z","content_type":null,"content_length":"8234","record_id":"<urn:uuid:e6876715-629f-424f-88a4-1db767785711>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00414-ip-10-147-4-33.ec2.internal.war... |
the first resource for mathematics
A first course in the numerical analysis of differential equations.
(English) Zbl 0841.65001
Cambridge Texts in Applied Mathematics. Cambridge: Cambridge Univ. Press. 400 p. £17.95; $ 27.95/pbk; £55.00; $ 74.95/hbk (1995).
There exist few textbooks only which are exclusively dedicated... | {"url":"http://zbmath.org/?q=an:0841.65001","timestamp":"2014-04-18T18:20:08Z","content_type":null,"content_length":"24167","record_id":"<urn:uuid:33470cf5-d426-4e41-b212-e25d38012014>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00091-ip-10-147-4-33.ec2.internal.warc.gz"} |
Linfield, PA Algebra 2 Tutor
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I am currently employed as a secondary mathematics teacher. Over the past eight years I have taught high school courses including Algebra I, Algebra II, Algebra III, Geometry, Trigonometry, and
Pre-calculus. I also have experience teaching undergradua... | {"url":"http://www.purplemath.com/Linfield_PA_algebra_2_tutors.php","timestamp":"2014-04-19T02:46:02Z","content_type":null,"content_length":"24082","record_id":"<urn:uuid:9779bdbd-69aa-49c1-8c9b-65212fc2c068>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00107-ip-10-147-4-33.ec2.inter... |
Math Forum Discussions
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Topic: hypergeom() gives Inf
Replies: 1 Last Post: Jun 30, 2012 3:06 AM
Messages: [ Previous | Next ]
... | {"url":"http://mathforum.org/kb/message.jspa?messageID=7843422","timestamp":"2014-04-21T03:20:06Z","content_type":null,"content_length":"17952","record_id":"<urn:uuid:def8ebb8-f159-4cde-a9f6-05a05cc8fe6e>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00530-ip-10-147-4-33.ec2.internal... |
Calculations of Observations
A. Latitude
1. Latitude by Octant and Meridian Altitude of the Sun
The angle that Lewis recorded for this observation, howeve... | {"url":"http://www.lewis-clark.org/content/content-article.asp?ArticleID=2111","timestamp":"2014-04-18T18:31:13Z","content_type":null,"content_length":"40598","record_id":"<urn:uuid:1bd7b634-fcfc-4b28-aed5-39153b047cc8>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00019-ip-10-147-4-... |
Sugar Land Geometry Tutor
Find a Sugar Land Geometry Tutor
...I have extensive knowledge of Anatomy and Physiology. Anatomy and Physiology is an enthralling subject for me- I loved helping my fellow classmates in high school when I took Anatomy and
Physiology my senior year. In college, I made an "A" in Anatomy and... | {"url":"http://www.purplemath.com/sugar_land_tx_geometry_tutors.php","timestamp":"2014-04-16T22:29:30Z","content_type":null,"content_length":"23912","record_id":"<urn:uuid:766840fe-e36c-4135-9a0b-287b7fdd6010>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00284-ip-10-147-4-33.ec2.inte... |
Euler Characteristic of a disk
December 8th 2012, 01:25 PM
Euler Characteristic of a disk
I need to find the integral of gaussian curvature of a surface given by the graph over disk x^2+y^2<=2. I know that the integral of gaussian curvature= 2pi*(euler characteristic).
The Euler characterisic of the disk x^2+y^... | {"url":"http://mathhelpforum.com/differential-geometry/209364-euler-characteristic-disk-print.html","timestamp":"2014-04-19T17:57:23Z","content_type":null,"content_length":"3732","record_id":"<urn:uuid:f228b8e7-ef43-465c-b021-b6b7079d0128>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-2014041600521... |
Summary: Submitted to the Journal of Computational Intelligence in Finance (8/4/99)
Conventional modeling techniques for option pricing have systematic biases resulting from the assumption of
constant volatility (homoskedasticity) for the price of the underlying asset. Nevertheless, practitioners seldom
use stochastic ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/597/3191291.html","timestamp":"2014-04-16T13:24:07Z","content_type":null,"content_length":"9058","record_id":"<urn:uuid:9c62cab2-4bd9-4536-815d-16ad15b9e01f>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00320-ip-10-147-... |
Bacteria Growth
February 3rd 2009, 02:02 PM #1
Jan 2009
Bacteria Growth
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.
How do I find the the initial population?
$P = P_o e^{... | {"url":"http://mathhelpforum.com/differential-equations/71593-bacteria-growth.html","timestamp":"2014-04-23T17:51:10Z","content_type":null,"content_length":"33242","record_id":"<urn:uuid:3655d4b9-2723-4e81-a4e4-f4b8263fd7be>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00223-ip-10-14... |
Fractional Scale
Determining the Fractional Scale of a Map or Scale Model
The fractional scale of a scale model is the ratio between two sets of
dimensions (as between those of a model car and its equivalent actual
car). The formula for determining the fractional scale of a map or scale
model is:
1 Scale = _____ AS... | {"url":"http://www.wsanford.com/~wsanford/activities/scale.html","timestamp":"2014-04-18T23:15:10Z","content_type":null,"content_length":"1838","record_id":"<urn:uuid:9cc6fb83-6fb6-4b0d-8ad4-d0171f4d459d>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00492-ip-10-147-4-33.ec2.internal.... |
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is replying to Can someone tell me what button the professor is hitting...
• Teamwork 19 T... | {"url":"http://openstudy.com/users/nomnom147/asked","timestamp":"2014-04-18T20:51:38Z","content_type":null,"content_length":"60956","record_id":"<urn:uuid:88c902a7-4c32-4201-9b41-a37ec2b4ebb2>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00120-ip-10-147-4-33.ec2.internal.warc.gz"} |
0.6875 us cups in ounces
You asked:
0.6875 us cups in ounces
Say hello to Evi
Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more. Over the next few months we
will be adding all of Evi's power to this s... | {"url":"http://www.evi.com/q/0.6875_us_cups_in_ounces","timestamp":"2014-04-18T21:49:22Z","content_type":null,"content_length":"51141","record_id":"<urn:uuid:63825d71-2db4-4f5a-b15c-0c6fc67dfbcd>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00523-ip-10-147-4-33.ec2.internal.warc.gz"} |
Talking in binary
My brother and I figured out how to send finger shapes to each other (but we promised not to do any bad ones). Here's how we do it:
First, we tell each other how to hold our hands (we haven't figured out a binary system for that yet)
The first 10 digits tells us what fingers, from left to right, are u... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=113362","timestamp":"2014-04-21T12:30:21Z","content_type":null,"content_length":"10043","record_id":"<urn:uuid:4f00bd2b-8e1f-4252-80b1-302c69740497>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00145-ip-10-147-4-33.ec2.internal.... |
1.2 Speed and Acceleration
Speed and Acceleration
Critical Questions:
• What happens in a car when you push on the gas pedal or step on the brake?
As a physics teacher, I blame a lot of my problems on cars. People spend hours every day in cars of one kind or another, and they’ve developed strong ideas about the relat... | {"url":"http://popphysics.com/chapter-1-motion/speed-and-acceleration/","timestamp":"2014-04-18T10:33:39Z","content_type":null,"content_length":"58045","record_id":"<urn:uuid:3aca86aa-e430-47e4-aa96-3068c9375eb0>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00067-ip-10-147-4-33.ec2.... |
addition and subracting
April 22nd 2010, 04:06 AM
addition and subracting
hi, ive just been reading through this website on differentiation, anyway ive just come across subtraction and addition of functions, KryssTal : Introduction to Calculus theres the link, if you
scroll down about 1/4 of the way down you wi... | {"url":"http://mathhelpforum.com/calculus/140684-addition-subracting-print.html","timestamp":"2014-04-19T21:53:43Z","content_type":null,"content_length":"9232","record_id":"<urn:uuid:12713367-5d1a-4ef4-b770-7d2a96e033c5>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00494-ip-10-147-4... |
Summary: Solution to the King's Problem in Prime Power Dimensions
P. K. Aravind
Physics Department, Worcester Polytechnic Institute, Worcester, MA 01609, U. S.A.
Reprint requests to Prof. P.K. A.; E-mail: paravind@wpi.edu
Z. Naturforsch. 58a, 85 92 (2003); received November 5, 2002
It is shown how to ascertain the va... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/186/2014911.html","timestamp":"2014-04-20T08:04:00Z","content_type":null,"content_length":"8256","record_id":"<urn:uuid:8b726bc8-fd61-4a11-afe1-3713abd91c20>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00376-ip-10-147-... |
[FOM] Are Proofs in mathematics based on sufficient evidence?
Monroe Eskew meskew at math.uci.edu
Fri Jul 16 06:30:46 EDT 2010
On Thu, Jul 15, 2010 at 2:21 PM, Vaughan Pratt <pratt at cs.stanford.edu> wrote:
> The problem comes at the step "join FC". Postulate 5 ruled out
> hyperbolic geometry but not elliptical. On ... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2010-July/014917.html","timestamp":"2014-04-17T07:40:43Z","content_type":null,"content_length":"3789","record_id":"<urn:uuid:87f5d9d3-9fc4-44ee-a157-21b10385dade>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00644-ip-10-147-4-33.ec2.interna... |
Radiation Reaction and Energy Conservation
Next: Integrodifferential Equations of Motion Up: Radiation Reaction Previous: The Death of Classical Contents
We know that
is (nonrelativistic) Newton's 2nd Law for a charged particle being accelerated by a (for the moment, non-electromagnetic) given external force. The ... | {"url":"http://phy.duke.edu/~rgb/Class/Electrodynamics/Electrodynamics/node154.html","timestamp":"2014-04-17T06:56:09Z","content_type":null,"content_length":"24593","record_id":"<urn:uuid:ec194d1e-c49f-46c3-a1f7-263260e9eff6>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00362-ip-10-... |
From the really great book by David Kahaner, Cleve Moler and Stephen Nash -
"Numerical Methods and Software", Prentice-Hall, 1989:
"Suppose that a satellite in space is taking photographs of Jupiter to be sent back to earth.
The satellite digitizes the picture by subdividing it into tiny squares called pixels or pictur... | {"url":"http://www.uwlax.edu/faculty/will/svd/compression/index.html","timestamp":"2014-04-20T14:33:06Z","content_type":null,"content_length":"5938","record_id":"<urn:uuid:c538cf5f-4a75-481e-af68-953ef8e15089>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00202-ip-10-147-4-33.ec2.int... |
data.tables and sweep function
up vote 3 down vote favorite
Using a data.table, which would be the fastest way to "sweep" out a statistic across a selection of columns?
Starting with (considerably larger versions of ) DT
p <- 3
DT <- data.table(id=c("A","B","C"),x1=c(10,20,30),x2=c(20,30,10))
DT.totals <- DT[, list(id,... | {"url":"http://stackoverflow.com/questions/10110817/data-tables-and-sweep-function","timestamp":"2014-04-23T23:59:44Z","content_type":null,"content_length":"72701","record_id":"<urn:uuid:df136d4f-9338-44c5-94e4-556ed1033570>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00153-ip-10-14... |
Reply to comment
If you've never heard of cubic Hamiltonian graphs before then take a look at Christopher Manning's wonderful cubic Hamiltonian graph builder. No, really, do! We too had never heard of them and now we
think they are the bee's knees!
But what is a cubic Hamiltonian graph, you ask? A graph, of course, is ... | {"url":"http://plus.maths.org/content/comment/reply/5701","timestamp":"2014-04-17T04:05:06Z","content_type":null,"content_length":"24141","record_id":"<urn:uuid:e5495ac5-5405-4c16-8234-44cede96ee61>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00407-ip-10-147-4-33.ec2.internal.warc.... |
Reply to comment
If you've never heard of cubic Hamiltonian graphs before then take a look at Christopher Manning's wonderful cubic Hamiltonian graph builder. No, really, do! We too had never heard of them and now we
think they are the bee's knees!
But what is a cubic Hamiltonian graph, you ask? A graph, of course, is ... | {"url":"http://plus.maths.org/content/comment/reply/5701","timestamp":"2014-04-17T04:05:06Z","content_type":null,"content_length":"24141","record_id":"<urn:uuid:e5495ac5-5405-4c16-8234-44cede96ee61>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00407-ip-10-147-4-33.ec2.internal.warc.... |
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Topic: Chapter 3--Everybody Counts
Replies: 11 Last Post: Mar 18, 1995 1:02 AM
Messages: [ Previous | N... | {"url":"http://mathforum.org/kb/message.jspa?messageID=1474735","timestamp":"2014-04-17T13:43:40Z","content_type":null,"content_length":"31436","record_id":"<urn:uuid:c63f2fb8-6ecc-4ef2-be2a-5a5123a7a14a>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00407-ip-10-147-4-33.ec2.internal... |
Matches for:
The Malliavin calculus was developed to provide a probabilistic proof of Hörmander's hypoellipticity theorem. The theory has expanded to encompass other significant applications.
The main application of the Malliavin calculus is to establish the regularity of the probability distribution of functionals of ... | {"url":"http://cust-serv@ams.org/bookstore-getitem/item=CBMS-110","timestamp":"2014-04-19T14:03:17Z","content_type":null,"content_length":"15771","record_id":"<urn:uuid:3dd69483-0ed5-4c42-9040-7a37c1b276db>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00644-ip-10-147-4-33.ec2.intern... |
flow chart
Definition of Flow Chart
● A Flow Chart represents a sequence of operations or algorithms by using diagrams.
More about Flow Chart
• It is advisable to draw a flow chart before writing a computer program.
Example of Flow Chart
• See the following flow chart.
The flow chart shows the flow of data.
... | {"url":"http://www.icoachmath.com/math_dictionary/flow_chart.html","timestamp":"2014-04-17T21:23:22Z","content_type":null,"content_length":"8257","record_id":"<urn:uuid:866d0c31-73d8-4092-ad34-4f493d2141dc>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00183-ip-10-147-4-33.ec2.intern... |
Integration by parts
$\int_0^\infty 2\alpha x^{2 }e^{-\alpha x^2}dx$ we can here use the substitution $t= x^2 \,\, \, dx = \frac{1}{2}t^{\frac{-1}{2}}\, dt$ so we get the following : $\alpha \int^{\infty}_0 \, t^{1/2}e^
{-\alpha t }\, dt$ Now this is solved by the Laplace transform or gamma function which converges for... | {"url":"http://mathhelpforum.com/calculus/211417-integration-parts.html","timestamp":"2014-04-17T22:43:35Z","content_type":null,"content_length":"36782","record_id":"<urn:uuid:6ec4453f-e3dc-4d9b-bc27-9331bd9fe88d>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00535-ip-10-147-4-33.ec2.... |
Thornton, CO Algebra 2 Tutor
Find a Thornton, CO Algebra 2 Tutor
...I have taken SAT three times (for English scores) and my own math scores ranged between 750-800. I will tutor either using a practice test and work through a set with the student or we can
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Topic: Convergence
Replies: 0
Posted: May 9, 2001 10:33 AM
The issue has nothing to do with infinity or 1/in... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=223033","timestamp":"2014-04-18T05:40:41Z","content_type":null,"content_length":"15520","record_id":"<urn:uuid:28b14725-c66d-47e0-aaad-200c1a30a081>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00597-ip-10-147-4-33.ec2.internal.wa... |
Manhattan GMAT Challenge Problem of the Week – 12 November 2012
Here is a new Challenge Problem! If you want to win prizes, try entering our Challenge Problem Showdown. The more people that enter our challenge, the better the prizes!
The positive difference of the fourth powers of two consecutive positive integers ... | {"url":"http://www.beatthegmat.com/mba/2012/11/12/manhattan-gmat-challenge-problem-of-the-week-12-november-2012","timestamp":"2014-04-20T18:25:07Z","content_type":null,"content_length":"71251","record_id":"<urn:uuid:d1d40888-9201-4247-9870-410ae2e2d822>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN... |
What is 1 NIBBLE?
Ask Experts Awards & Gifts
... | {"url":"http://www.indiastudychannel.com/experts/10017-What-NIBBLE.aspx","timestamp":"2014-04-19T07:03:09Z","content_type":null,"content_length":"33212","record_id":"<urn:uuid:9c2d2abb-6e77-4ae0-a5db-247fde69e9ff>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00098-ip-10-147-4-33.ec2... |
On the theory of correlation for any number of variables, treated by a new system of notation
Results 1 - 10 of 13
- Communications of the ACM , 1995
"... We examine a graphical representation of uncertain knowledge called a Bayesian network. The representation is easy to construct and interpret, yet has formal probabi... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=1104653","timestamp":"2014-04-17T19:16:17Z","content_type":null,"content_length":"34380","record_id":"<urn:uuid:b76c9256-b028-4ade-998e-b9b837815982>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00145-ip-10-147-4-33.ec2.internal.wa... |
La Canada Flintridge Precalculus Tutor
Find a La Canada Flintridge Precalculus Tutor
...I tutored throughout high school (algebra, calculus, statistics, chemistry, physics, Spanish, and Latin) and tutored advanced math classes during college. Above all other things, I love to
learn how other people learn and to tea... | {"url":"http://www.purplemath.com/La_Canada_Flintridge_Precalculus_tutors.php","timestamp":"2014-04-20T11:32:34Z","content_type":null,"content_length":"24834","record_id":"<urn:uuid:48b45dc8-3f95-4fe9-b7e6-e7bcbabfd7d4>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00559-ip-10-147-4-... |
Engineering Graphics–January 2010 Question Paper
Anna University
B.E./B.Tech. DEGREE EXAMINATIONS, JANUARY 2010
... | {"url":"http://www.vidyarthiplus.in/2012/01/engineering-graphicsjanuary-2010.html","timestamp":"2014-04-17T07:08:42Z","content_type":null,"content_length":"138881","record_id":"<urn:uuid:70341322-4ec0-40cd-b6b2-1ac0513c504a>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00404-ip-10-1... |
Summary: In ComputerAided Verification, CAV '96 (Rajeev Alur and Thomas A. Henzinger, eds.), LNCS vol. 1102, 1991, 26--37, c
Symbolic Model Checking Using Algebraic Geometry
George S. Avrunin
Department of Mathematics, University of Massachusetts, Amherst, MA 010034515
Abstract. In this paper, I show that methods fro... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/168/3865244.html","timestamp":"2014-04-17T13:11:52Z","content_type":null,"content_length":"8746","record_id":"<urn:uuid:32ad8817-092a-4b1e-99f2-6472fb38557d>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00278-ip-10-147-... |
Differential equations of fluid mechanics
2. Basic Differential Equations
The flux equations can be used to determine the net rate of increase of each quantity within a cube of volume ΔV= ΔxΔyΔz. We implicitly assume the limit where the... | {"url":"http://www.silcom.com/~aludwig/Physics/Main/Differential_equations.html","timestamp":"2014-04-21T15:01:34Z","content_type":null,"content_length":"7663","record_id":"<urn:uuid:260a0d06-34ab-46bb-a3c2-604a9647bc7c>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00409-ip-10-147-4... |
User:Marshall Hampton
From OpenWetWare
I am a new member of OpenWetWare!
Contact Info
• Marshall Hampton
• University of Minnesota, Duluth
• Email: (first initial)hampton at d dot umn dot edu
• Blog: Neutral Drifts
I work in the ... | {"url":"http://openwetware.org/index.php?title=User:Marshall_Hampton&oldid=197605","timestamp":"2014-04-23T13:13:49Z","content_type":null,"content_length":"18447","record_id":"<urn:uuid:45ebc095-1ec2-4711-b2d3-168b2edff71e>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00097-ip-10-14... |
Component form of a vector
October 3rd 2008, 11:02 AM #1
Junior Member
Nov 2007
Component form of a vector
Hi, Im trying to find the component form of a vector obtained by rotating <0,1> through an angle of 2pi/3 radians. Can someone please help me with this problem? Thanks.
$\cos\left(\frac{2\pi}{3}\right)... | {"url":"http://mathhelpforum.com/calculus/51877-component-form-vector.html","timestamp":"2014-04-17T02:23:48Z","content_type":null,"content_length":"32573","record_id":"<urn:uuid:e0c756a8-b118-45fa-a140-137aa9996232>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00126-ip-10-147-4-33.e... |
When we build large clusters, such as high performance clusters or any cluster with a large number of computing nodes, we begin to look in detail at the repair models for the system. You are probably
aware of the need to study power usage, air conditioning, weight, system management, networking, and cost for such syste... | {"url":"https://blogs.oracle.com/relling/tags/hpc","timestamp":"2014-04-20T22:45:24Z","content_type":null,"content_length":"40855","record_id":"<urn:uuid:8c9e0bfa-87dc-400c-a460-1d614e46b08c>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00614-ip-10-147-4-33.ec2.internal.warc.gz"} |
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The DPS RAMP (Realizing Achievment through Mathematics Performance) community-oriented web site has mathematics information for students, parents/guardians, and educators. Need help with your
math homework? This page will help you get the input that you need.
Stumped by a question about math? This site includes... | {"url":"http://www.shodor.org/ssep/stu/activities/math.html","timestamp":"2014-04-20T18:24:23Z","content_type":null,"content_length":"7662","record_id":"<urn:uuid:2b12e879-cfc9-4667-9a2a-3f7ece89ec6b>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00130-ip-10-147-4-33.ec2.internal.war... |
C# Some Math
06-21-2011 #1
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Join Date
Mar 2009
C# Some Math
Okay I am screwing around with web sockets and am trying to negotiate a connection but I have to do some math to generate a proper negotiation.
draft-ietf-hybi-thewebsocketprotocol-03 - The WebSocket protocol That is the RFC I am ref... | {"url":"http://cboard.cprogramming.com/csharp-programming/139012-csharp-some-math.html","timestamp":"2014-04-16T23:26:00Z","content_type":null,"content_length":"49027","record_id":"<urn:uuid:8e8f3981-bec5-4ada-8dfc-99190a033c99>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00139-ip-1... |