content stringlengths 86 994k | meta stringlengths 288 619 |
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Determining if a point occurs within a sphere
Does anyone know of an algorithm or code sample that can determine if a point in 3d (x,y,z axis) space occurs within a 3d sphere who’s center point and radius is known?
bool Sphere::inside(Vector3 point) {
if(distance_from(this.center, point) <= this.radius) {
r... | {"url":"http://devmaster.net/posts/18105/determining-if-a-point-occurs-within-a-sphere","timestamp":"2014-04-21T04:50:13Z","content_type":null,"content_length":"19320","record_id":"<urn:uuid:fefdf184-7404-4a96-ac69-67b65f80c7dd>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00283-ip-... |
[SciPy-user] odeint
Ryan Gutenkunst rng7 at cornell.edu
Tue Oct 4 11:00:49 CDT 2005
LOPEZ GARCIA DE LOMANA, ADRIAN wrote:
> Hi people,
> I'm using odeint from integrate to solve a system of ODEs. Although the output seems correct
> a strange error pop up at the terminal:
> [alopez at thymus scipy]$ python single_glob... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2005-October/005368.html","timestamp":"2014-04-21T04:45:08Z","content_type":null,"content_length":"4896","record_id":"<urn:uuid:c3593b4d-15d0-42e4-bbe1-81a4fa88a971>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00560-ip-10-147-4-33.... |
LSA Grad Course Catalog
Courses in LSA Mathematics
MATH 404. Intermediate Differential Equations and Dynamics
MATH 216, 256, 286 or 316. (3). (BS). May not be repeated for credit.
Linear systems, qualitative theory of ordinary differential equations for planar and higher-dimensional systems, chaos, stability, non-linea... | {"url":"https://webapps.lsa.umich.edu/CrsMaint/Public/CB_PublicBulletin.aspx?crselevel=grad&subject=MATH","timestamp":"2014-04-20T23:36:52Z","content_type":null,"content_length":"437275","record_id":"<urn:uuid:f22d9994-d235-4773-b626-8c7c9bbd2d36>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140... |
Treatise On Analysis Vol-Ii
11 THE SPECTRAL THEORY OF HUBERT 399
(15.11 .7) For N to be self-adjoint (resp. unitary) it is necessary and sufficient
that Sp(N) c R (resp. Sp(JV) c:U).IfHis self-adjoint, then
inf(SpCff)) = inf (H x \ x),
(15.11.7.1) II*""1
sup... | {"url":"http://archive.org/stream/TreatiseOnAnalysisVolII/TXT/00000418.txt","timestamp":"2014-04-18T13:41:26Z","content_type":null,"content_length":"12635","record_id":"<urn:uuid:85c13040-f69b-4fc0-8970-fe3e3dfaa214>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00635-ip-10-147-4-33.... |
The Shakespeare Conference: SHK 15.0974 Wednesday, 28 April 2004
From: Gabriel Egan <
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Date: Wednesday, 28 Apr 2004 11:25:32 +0100
Subject: 15.0964 Stylometrics
Comment: Re: SHK 15.0964 Stylometrics
... | {"url":"http://shaksper.net/archive/2004/214-april/20849-stylometrics","timestamp":"2014-04-21T07:14:46Z","content_type":null,"content_length":"25708","record_id":"<urn:uuid:afbe2a7b-5be4-4707-a780-8e97301eee69>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00185-ip-10-147-4-33.ec2.i... |
CROSS TABULATIONS & CHI-SQUARED TESTS
A. Overview of chi-squared tests
B. Step-by-step instructions for creating pivot tables in Excel
C. Step-by-step instructions for doing a chi-squared test in Excel
D. Interpreting your Excel output
We often need to know whether multiple groups are equally likely to ... | {"url":"http://org.elon.edu/econ/sac/chisquare.htm","timestamp":"2014-04-18T10:34:11Z","content_type":null,"content_length":"18578","record_id":"<urn:uuid:d99332d3-66f1-4c52-af47-a188da25ebd1>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00630-ip-10-147-4-33.ec2.internal.warc.gz"} |
Induced metric on the brane
Thanks for the reply,
I checked on Poisson's book and also Gourgoulhon's review but I couldn't found the reason.
I finally understood my mistake, [itex]h_{\mu\nu}[/itex] is not the induced metric but only the projection tensor. For to have the induced metric we have to look to the tangential... | {"url":"http://www.physicsforums.com/showthread.php?s=0376525dccc10b7629aec653f171944d&p=3807518","timestamp":"2014-04-24T12:01:41Z","content_type":null,"content_length":"29721","record_id":"<urn:uuid:0592bb2b-7614-4e86-ae6f-01876b04cedd>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-... |
Possible Outcomes
January 11th 2006, 09:15 PM #1
Mary Cluck
Possible Outcomes
My problem is--
1. Draw a tree diagram to show all possible outcomes if you draw a ball from box 1 and a ball from box 2. Box 1 shows A R T. Box 2 shows 1 2 3 4. ?
2. How many outcomes are there if you draw a ball from boxes 1 and... | {"url":"http://mathhelpforum.com/algebra/1599-possible-outcomes.html","timestamp":"2014-04-18T14:02:11Z","content_type":null,"content_length":"32180","record_id":"<urn:uuid:491c35e8-2d97-4a47-a389-7703067e8087>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00625-ip-10-147-4-33.ec2.in... |
A Lunar Occultation
On the evening of Thursday, October 2nd, 2003, the Moon will pass in front of the star tau Sgr. This event can provide dramatic evidence concerning the angular sizes of stars, and yield information
useful in estimating the Moon's distance.
An occultation occurs when a nearby celestial object passes ... | {"url":"http://www.ifa.hawaii.edu/~barnes/ASTR110L_F03/lunaroccultation.html","timestamp":"2014-04-18T18:30:24Z","content_type":null,"content_length":"11627","record_id":"<urn:uuid:b25d856f-6cb2-4545-aa50-1c668be06351>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00657-ip-10-147-4-3... |
use the given information to complete the triangle
use the given information to complete the triangle: A = 60 degrees a = 9 c = 10
A = 60 degrees a = 9 c = 10
We can use the Law of Sines to solve for angle C, as we know that sin(A)/a = sin(C)/c. Plug the known values for A, a, and c in, and solve. From there, we will h... | {"url":"http://mathhelpforum.com/pre-calculus/138121-use-given-information-complete-triangle.html","timestamp":"2014-04-18T14:25:28Z","content_type":null,"content_length":"31416","record_id":"<urn:uuid:f563e7a1-e79c-4376-8a8d-73bbf3058507>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-2014041600521... |
Home Page of Ludmil Zikatanov
Undergraduate research (Summer 2013): In July and August 2013 I and John C. Urschel worked with four Penn State undergraduate students on research in graph drawing and monotone schemes for convection
diffusion equations as part of an REU training. Descriptions of the projects and reports o... | {"url":"http://www.personal.psu.edu/ltz1/","timestamp":"2014-04-19T09:25:42Z","content_type":null,"content_length":"6235","record_id":"<urn:uuid:ae1c5452-c204-47d3-8c4c-00fd68f3b42b>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00269-ip-10-147-4-33.ec2.internal.warc.gz"} |
Fusion trees can be implemented with AC instructions only
- Journal of Computer and System Sciences , 2001
"... We obtain matching upper and lower bounds for the amount of time to find the predecessor of a given element among the elements of a fixed compactly stored set. Our algorithms are for the
unit-cost word RAM wi... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=189226","timestamp":"2014-04-18T17:18:48Z","content_type":null,"content_length":"18430","record_id":"<urn:uuid:c2d0e930-13df-4754-b39a-cadc8642acf2>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00195-ip-10-147-4-33.ec2.internal.war... |
Geometry Help Videos | MindBites
Included: (Click to preview)
About this Series
• Lessons: 19
• Total Time: 4h 51m
• Use: Watch Online & Download
• Access Period: Unlimited
• Created At: 07/22/2010
• Last Updated At: 04/09/2014
Do you need to learn Geometry? Do you wish your Geometry teacher could slow down... | {"url":"http://www.mindbites.com/series/888-geometry-help","timestamp":"2014-04-16T08:00:39Z","content_type":null,"content_length":"57178","record_id":"<urn:uuid:26a6ba59-3ed2-4dc8-b6b0-4dda01713f10>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00050-ip-10-147-4-33.ec2.internal.warc.... |
March 10th, 2010, 11:10 AM
I am trying to implement a bottom up heap construction. I seem to have the recursion working but im not sure how i am supposed to combine the trees at each stage. My heap is based on the
arraylist complete binary tree. For example, the image below shows what I am trying to achieve ini... | {"url":"http://www.javaprogrammingforums.com/%20algorithms-recursion/3669-heaps-printingthethread.html","timestamp":"2014-04-19T20:11:48Z","content_type":null,"content_length":"10909","record_id":"<urn:uuid:1f7dd734-5209-49a1-8417-19d3fd8d4540>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416... |
Proposition 6
If a straight line is bisected and a straight line is added to it in a straight line, then the rectangle contained by the whole with the added straight line and the added straight line together with
the square on the half equals the square on the straight line made up of the half and the added straight li... | {"url":"http://aleph0.clarku.edu/~djoyce/java/elements/bookII/propII6.html","timestamp":"2014-04-17T21:39:21Z","content_type":null,"content_length":"10200","record_id":"<urn:uuid:c23e7456-30ed-4954-a98e-58497702c0b9>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00342-ip-10-147-4-33.... |
Trigonometry Practice Problems
Trigonometry deals with the measurements of triangles both angles and sides. Many a real life situations are modeled using trigonometric functions. Trigonometric functions are transcendental in
nature which are a study of importance in calculus. A good skill in solving trigonometric probl... | {"url":"http://www.trigonometryhelp.org/trigonometry-practice-problems.html","timestamp":"2014-04-16T19:36:06Z","content_type":null,"content_length":"12645","record_id":"<urn:uuid:53ad3e4a-c4ae-41cc-ad24-9b512e19ee9f>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00584-ip-10-147-4-33... |
the first resource for mathematics
On the integrable variant of the Boussinesq system: Painlevé property, rational solutions, a related many-body system, and equivalence with the AKNS hierarchy.
(English) Zbl 0694.35207
Summary: An infinite family of rational solutions of the integrable version of the Boussinesq system... | {"url":"http://zbmath.org/?q=an:0694.35207","timestamp":"2014-04-19T22:09:27Z","content_type":null,"content_length":"22102","record_id":"<urn:uuid:793ed53a-d30c-45f6-924c-aa4dbddc39d4>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00132-ip-10-147-4-33.ec2.internal.warc.gz"} |
54: General topology
[Search][Subject Index][MathMap][Tour][Help!]
Topology is the study of sets on which one has a notion of "closeness" -- enough to decide which functions defined on it are continuous. Thus it is a kind of generalized geometry (we are still
interested in spheres and cubes, for example, but we migh... | {"url":"http://www.math.niu.edu/~rusin/known-math/index/54-XX.html","timestamp":"2014-04-18T02:58:56Z","content_type":null,"content_length":"24898","record_id":"<urn:uuid:094327f9-63c6-4012-9e0a-caa0e719e039>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00560-ip-10-147-4-33.ec2.inte... |
Prenex normal form vs. quantifier rank
up vote 2 down vote favorite
Consider first-order logic with some fixed, relational vocabulary $\tau$. A sentence is a formula in this logic with no free variables.
A sentence is in prenex normal form, if all quantifiers are moved to the front. For example $\exists x\exists y(P(x)... | {"url":"https://mathoverflow.net/questions/63788/prenex-normal-form-vs-quantifier-rank/63794","timestamp":"2014-04-17T19:00:07Z","content_type":null,"content_length":"53904","record_id":"<urn:uuid:6c6d2a39-4ae1-4029-9ff7-47398b2e50ad>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-000... |
Convert ton to grams - Conversion of Measurement Units
›› Convert ton-force [metric] to gram-force
Did you mean to convert ton-force [long] to gram-force
ton-force [metric] gram
ton-force [short]
ton [short, US]
lo... | {"url":"http://www.convertunits.com/from/ton/to/grams","timestamp":"2014-04-17T01:13:13Z","content_type":null,"content_length":"20562","record_id":"<urn:uuid:360ebe18-ed26-40ac-ab2b-3b12d6d651c9>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-20140416005206-00321-ip-10-147-4-33.ec2.internal.warc.gz"} |
A Perspective on Multiaccess Channels
Results 1 - 10 of 130
- IEEE TRANSACTIONS ON INFORMATION THEORY , 2000
"... When n identical randomly located nodes, each capable of transmitting at bits per second and using a fixed range, form a wireless network, the throughput @ A obtainable by each node for a
randomly chosen de... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=241805","timestamp":"2014-04-16T16:21:18Z","content_type":null,"content_length":"39402","record_id":"<urn:uuid:c90b06ca-a2fc-4b6e-aa70-f0862086f65f>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00509-ip-10-147-4-33.ec2.internal.war... |
Science Forums Biology Forum Molecular Biology Forum Physics Chemistry Forum - Solution to Einstein's Field Equations where T^uv not= 0?
Many of the widely-studied solutions to Einstein's field equations are taken
in vacuo, that is, at events where the energy momentum tensor T^uv=0. This
includes Schwarzchild and Kerr... | {"url":"http://www.molecularstation.com/forum/physics-forum/38097-solution-einsteins-field-equations-where-t%5Euv-not%3D-0-a-print.html","timestamp":"2014-04-16T13:45:37Z","content_type":null,"content_length":"15546","record_id":"<urn:uuid:7438cd0e-fd2d-4cf8-994a-fb62b807b912>","cc-path":"CC-MAIN-2014-15/segments/13976... |
Pine Lake SAT Math Tutor
Find a Pine Lake SAT Math Tutor
...I have tutored people in most subjects from SAT (math and verbal prep) to children just learning their alphabets and spatial recognition. I am also very knowledgeable on the subject of the
human body, from years of studying the MCAT. I am a tutor who takes... | {"url":"http://www.purplemath.com/Pine_Lake_SAT_Math_tutors.php","timestamp":"2014-04-17T01:00:30Z","content_type":null,"content_length":"23861","record_id":"<urn:uuid:48a2ba23-4b1d-4ef5-8190-1567ca35f8ee>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00044-ip-10-147-4-33.ec2.interna... |
Existential type
From HaskellWiki
(Difference between revisions)
(Existential types in Essential Haskell. Comparisons to Haskell.) m (typographic correction)
← Older edit Newer edit →
Line 63: ... | {"url":"http://www.haskell.org/haskellwiki/index.php?title=Existential_type&diff=3957&oldid=3956","timestamp":"2014-04-16T10:49:40Z","content_type":null,"content_length":"26717","record_id":"<urn:uuid:ed7a03cd-20a2-4952-9106-f31aaa4872ff>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203... |
Solving a trigonometric equation
Solve on the domain 0° ≦ x ≦ 360°. Use a calculator and round to the nearest degree if unable to use special triangles.
cos x-1 = -cos x
Can anyone give me some pointers on this one? I'm taking grade 12 math through an independent learning course, where I have no access to a... | {"url":"http://mathhelpforum.com/trigonometry/208965-solving-trigonometric-equation.html","timestamp":"2014-04-19T09:32:31Z","content_type":null,"content_length":"52046","record_id":"<urn:uuid:bbe485fb-1072-4b4f-ae66-4a2e828f7274>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00639-i... |
Building statistical models by visualization
Thomas P. Minka
Practical applications of statistical methods usually involve assumptions about the domain, such as independence, normality, linearity, and the choice of variables. I will describe a set of graphical
tools which simplify the process of learning about a domain... | {"url":"http://research.microsoft.com/en-us/um/people/minka/papers/viz.html","timestamp":"2014-04-21T01:23:47Z","content_type":null,"content_length":"2913","record_id":"<urn:uuid:11edaedf-411e-4e26-b956-98ffd601788f>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00085-ip-10-147-4-33.... |
Newtonville, MA Algebra Tutor
Find a Newtonville, MA Algebra Tutor
...Theses courses have focused on descriptive and inferential statistics (e.g., t-tests, ANOVA, regression, Chi-square). Throughout my career over the last 20 years, I have conducted various
statistical analyses as well as provided written descripti... | {"url":"http://www.purplemath.com/Newtonville_MA_Algebra_tutors.php","timestamp":"2014-04-16T13:52:00Z","content_type":null,"content_length":"24177","record_id":"<urn:uuid:203fdf41-47af-4980-9395-7db9174585d5>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00297-ip-10-147-4-33.ec2.int... |
Student Support Forum: 'Integrate problem in version 4' topic
Author Comment/Response
email me >The following integral works in version 3 but not in version 4. The result I have given is from version 3.
>Why does it fail in version 4?
> {r, 0, Infinity}, Assumptions ->
> {Im[\[Kap... | {"url":"http://forums.wolfram.com/student-support/topics/4163","timestamp":"2014-04-19T22:13:58Z","content_type":null,"content_length":"27817","record_id":"<urn:uuid:76b2b2ca-e1e2-41fe-996d-1f8e8527e62a>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00136-ip-10-147-4-33.ec2.internal.... |
North Wales
I completed my master's in education in 2012 and having this degree has greatly impacted the way I teach. Before this degree, I earned my bachelor's in engineering but switched to teaching because
this is what I do with passion. I started teaching in August 2000 and my unique educational backgroun...
... | {"url":"http://www.purplemath.com/north_wales_pa_math_tutors.php","timestamp":"2014-04-18T19:19:36Z","content_type":null,"content_length":"23412","record_id":"<urn:uuid:766cc4b4-6fe6-451e-8893-8d4b8fdbcc2d>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00345-ip-10-147-4-33.ec2.interna... |
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Posts from February 19, 2009 on The Unapologetic Mathematician
We would like to define the multiplicity of an eigenvalue $\lambda$ of a linear transformation $T$ as the number of independent associated eigenvectors. That is, as the dimension of the kernel of $T-
\lambda1_V$. Unfortunately, we saw that when we have repe... | {"url":"http://unapologetic.wordpress.com/2009/02/19/","timestamp":"2014-04-17T18:38:02Z","content_type":null,"content_length":"59787","record_id":"<urn:uuid:480dc044-c7b9-4375-addf-ecdcf0f0497e>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00136-ip-10-147-4-33.ec2.internal.warc.gz"... |
Applications of Intergration (Work related)
June 11th 2006, 04:28 PM
Applications of Intergration (Work related)
1. A heavy rope, 50ft long, weights 0.5 lb/ft and hangs over the edge of a building 120 ft high.
a) How much work is done in pulling the rope to the top of the building?
b) How much work is done ... | {"url":"http://mathhelpforum.com/calculus/3384-applications-intergration-work-related-print.html","timestamp":"2014-04-18T12:27:46Z","content_type":null,"content_length":"9746","record_id":"<urn:uuid:621df5a4-508d-4746-bd27-61f01320248c>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-... |
Encyclopaedia Index
Click here for Contents List
Brian Spalding, of CHAM Ltd
... | {"url":"http://www.cham.co.uk/phoenics/d_polis/d_lecs/cmbstr5/cmbstr5.htm","timestamp":"2014-04-19T14:28:51Z","content_type":null,"content_length":"13324","record_id":"<urn:uuid:f5586910-8c02-45fb-ada0-85935529f5df>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00582-ip-10-147-4-33.ec... |
Cracking Da Vinci'sCode On Tree Growth
In winter, the sight of trees left bare after its leaves have fallen can leave some feeling gloomy. But for Renaissance genius Leonardo da Vinci, the view was a source of inspiration, which
eventually led him to formulate a theory about the relationship between the size of a tree’... | {"url":"http://www.lastampa.it/2011/12/15/esteri/lastampa-in-english/cracking-da-vinci-scode-on-tree-growth-fddNfBK6pxThfIl4hbFD9H/pagina.html","timestamp":"2014-04-21T05:07:08Z","content_type":null,"content_length":"36093","record_id":"<urn:uuid:652bfbd1-e94c-44c0-86e8-b6fed168c0a9>","cc-path":"CC-MAIN-2014-15/segment... |
(atomic macro) generate subgoals using induction
Major Section: PROOF-CHECKER-COMMANDS
induct, (induct t)
-- induct according to a heuristically-chosen scheme, creating
a new subgoal for each base and induction step
(induct (append (reverse x) y))
-- as above, but choose an induction scheme based on the te... | {"url":"http://planet.racket-lang.org/package-source/cce/dracula.plt/1/6/language/acl2-html-docs/ACL2-PC_colon__colon_INDUCT.html","timestamp":"2014-04-16T13:11:04Z","content_type":null,"content_length":"1742","record_id":"<urn:uuid:3409cb06-398c-494d-8b9d-456447c74434>","cc-path":"CC-MAIN-2014-15/segments/139760953509... |
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Here's the question you clicked on:
Can someone check my work?
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... | {"url":"http://openstudy.com/updates/50f5b0b0e4b061aa9f9ac72e","timestamp":"2014-04-18T08:06:06Z","content_type":null,"content_length":"64298","record_id":"<urn:uuid:3cc12aa2-3ddb-421d-bc8b-c85582d15d4c>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00581-ip-10-147-4-33.ec2.internal.... |
Newtons Law Question
For part c) it is asking for the net force acting on the car, so I am thinking that I would add the force of the car and the force of the trailer? (I guess the problem is I cannot get the force of
the car :-/ )
Hi laurenflakes!
(I think you're confused about what forces there are, and you're ignori... | {"url":"http://www.physicsforums.com/showthread.php?t=342133","timestamp":"2014-04-20T00:49:36Z","content_type":null,"content_length":"55471","record_id":"<urn:uuid:263d813d-8d31-4c16-9579-3631811f990e>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00196-ip-10-147-4-33.ec2.internal.wa... |
Strafford, PA Algebra 2 Tutor
Find a Strafford, PA Algebra 2 Tutor
...Also, I have experience instructing elementary-age children in a home-schooling environment. I consider one of the most important elements of science to be researching the correct answer. I
have a strong background in research, as is necessary fo... | {"url":"http://www.purplemath.com/strafford_pa_algebra_2_tutors.php","timestamp":"2014-04-18T19:24:36Z","content_type":null,"content_length":"24016","record_id":"<urn:uuid:83e39d79-c2fe-4cdf-8446-88873a08c0fe>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00387-ip-10-147-4-33.ec2.inte... |
Math - Multiple choice
Posted by Jen on Tuesday, September 8, 2009 at 7:15pm.
The following data describes the rainfall.
Jan - 1
Feb - 3
Mar - 1
Apr - 2
May - 2
Jun - 2
Jul - 19
Aug - 21
Sep - 3
Oct - 3
Nov - 2
Dec - 3
Which statement best describes the averages?
A. The mean is the least appropriate to use to describe ... | {"url":"http://www.jiskha.com/display.cgi?id=1252451725","timestamp":"2014-04-20T14:18:47Z","content_type":null,"content_length":"9233","record_id":"<urn:uuid:5e02510f-95b4-46f0-94aa-c704d4c6f69c>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00472-ip-10-147-4-33.ec2.internal.warc.gz... |
Subroutine to solve system of equation with the accuracy better than double precision
I'm currently using the GESV subroutine from MKL library to solve the system of equations (A.x=B). The number I used is Double Precision.
I see the results are accurate up to 11 digits after the decimal point. Now I would like to hav... | {"url":"https://software.intel.com/de-de/forums/topic/505523","timestamp":"2014-04-18T11:07:02Z","content_type":null,"content_length":"84490","record_id":"<urn:uuid:61cebc8c-1939-4aec-ab05-4ee3bc9526d7>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00402-ip-10-147-4-33.ec2.internal.w... |
Why Does VLOOKUP Return An #N/A Error?
VLOOKUP week enters its second day, meaning that it’s time to have a look at how to problem-shoot #N/A errors. On the online forums I frequently see frustrated users asking why their VLOOKUP formula
returns an #N/A error, so I hope that some of the reasons I’ve listed below will b... | {"url":"http://colinlegg.wordpress.com/2012/03/26/why-does-vlookup-return-an-na-error/","timestamp":"2014-04-21T12:15:07Z","content_type":null,"content_length":"273596","record_id":"<urn:uuid:950c9e4b-d9cf-4279-9ae7-36f7fae45d81>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00077-ip... |
s maximum principle
Hausdorff's maximum principle
Hausdorff’s maximum principle
Let $S$ be the set of all totally ordered subsets of $X$. $S$ is not empty, since the empty set is an element of $S$. Partial order $S$ by inclusion. Let $\tau$ be a chain (of elements) in $S$. Being
each totally ordered, the union of all t... | {"url":"http://planetmath.org/hausdorffsmaximumprinciple","timestamp":"2014-04-18T23:18:23Z","content_type":null,"content_length":"36105","record_id":"<urn:uuid:c4fb0c7b-06c3-41f0-b734-fdb17505d2cf>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00255-ip-10-147-4-33.ec2.internal.warc.g... |
Tannaka-Krein theorem
Tannaka-Krein theorem
Tannaka-Krein theorem (in the narrow sense) is a particular Tannaka duality theorem for compact topological groups.
The original theorem is (in two independent and different formulations) stated and proved in
• Tadao Tannaka, Über den Dualitätssatz der nichtkommutativen top... | {"url":"http://www.ncatlab.org/nlab/show/Tannaka-Krein+theorem","timestamp":"2014-04-19T12:00:37Z","content_type":null,"content_length":"12358","record_id":"<urn:uuid:1cccd340-a035-43a4-b8eb-93a29c875ece>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00603-ip-10-147-4-33.ec2.internal... |
If you were given a large data set such as the sales over the last... - (221764) | Transtutors
describing data
If you were given a large data set such as the sales over the last year of our top 1,000 customers, what might you be able to do with this data?
Posted On: Sep 09 2012 06:46 AM
Tags: Statistics, Central Tenden... | {"url":"http://www.transtutors.com/questions/describing-data-221764.htm","timestamp":"2014-04-20T00:49:43Z","content_type":null,"content_length":"65607","record_id":"<urn:uuid:1d306231-d6fd-4402-8d96-ddacd5f6c55a>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00054-ip-10-147-4-33.ec2.... |
Monkeys in the Jungle
Date: 11/18/96 at 17:57:38
From: DR STEVEN R BERKMAN MD
Subject: Monkeys in the jungle...
A group of monkeys are hanging from some trees and see a pile of 3000
bananas (monkeys have a way of knowing exactly how many bananas are
in a pile). They want to bring the bananas to their friends 1000
mile... | {"url":"http://mathforum.org/library/drmath/view/56751.html","timestamp":"2014-04-17T12:45:33Z","content_type":null,"content_length":"17645","record_id":"<urn:uuid:9bec6aec-2747-46e6-9ebe-bf0ebdf8d76c>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00445-ip-10-147-4-33.ec2.internal.wa... |
optimal way to grab closest sum
Author optimal way to grab closest sum
Ranch Hand
Joined: Aug 13, i have a group of items, stored in an array, sorted according to the influence:
2004 say
Posts: 177
... | {"url":"http://www.coderanch.com/t/380721/java/java/optimal-grab-closest-sum","timestamp":"2014-04-21T12:25:19Z","content_type":null,"content_length":"27189","record_id":"<urn:uuid:4267eb27-a4ac-4072-b586-9b7180529cfd>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00317-ip-10-147-4-3... |
fundamental vector field
Fundamental vector fields and differential forms
Let $G$ be a Lie group with Lie algebra $\mathfrak{g}\cong T_e G$, $M$ a $C^1$-differentiable manifold and
$u\colon G \times M\to M$
a left $C^1$-differentiable action. For every $m \in M$, denoted by $u_m\colon G\to M$ the $C^1$-differentiable m... | {"url":"http://ncatlab.org/nlab/show/fundamental+vector+field","timestamp":"2014-04-19T12:00:41Z","content_type":null,"content_length":"21481","record_id":"<urn:uuid:8477378c-9a49-4264-9eac-c18ef7dca240>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00479-ip-10-147-4-33.ec2.internal.... |
Garden Grove, CA Geometry Tutor
Find a Garden Grove, CA Geometry Tutor
...My most frequently used words are "How" and "Why?" Therefore,I studied science in college. I wanted to know how things work. Why various things work in certain ways?
19 Subjects: including geometry, chemistry, reading, English
...Many tea... | {"url":"http://www.purplemath.com/Garden_Grove_CA_Geometry_tutors.php","timestamp":"2014-04-18T00:41:02Z","content_type":null,"content_length":"24044","record_id":"<urn:uuid:22e4343e-476d-4358-9d23-a8ab8bb29010>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00353-ip-10-147-4-33.ec2.in... |
Summary: Math 501. 1st Homework. Due Monday, September 10, 2007
Homework on "Chapter 1"
1. Let {xn}
n=1 be a sequence of real numbers. Let l R. Show that lim sup
xn = l if
and only if:
(i) for each > 0, there exists a positive integer n0 such that for each n n0
xn < l + .
(ii) for each > 0 and each positive integer n0 ... | {"url":"http://www.osti.gov/eprints/topicpages/documents/record/558/2157600.html","timestamp":"2014-04-20T23:32:46Z","content_type":null,"content_length":"7731","record_id":"<urn:uuid:11ad87f6-0f8c-4f41-91ce-9e58a8ad94fc>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00146-ip-10-147-... |
Calculus: The Root Test Video | MindBites
About this Lesson
• Type: Video Tutorial
• Length: 13:29
• Media: Video/mp4
• Use: Watch Online & Download
• Access Period: Unrestricted
• Download: MP4 (iPod compatible)
• Size: 145 MB
• Posted: 06/26/2009
This lesson is part of the following series:
Calculus (... | {"url":"http://www.mindbites.com/lesson/3633-calculus-the-root-test","timestamp":"2014-04-18T18:55:34Z","content_type":null,"content_length":"63371","record_id":"<urn:uuid:db5fd2cd-7e7a-4136-a659-0bf41c8f1431>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00284-ip-10-147-4-33.ec2.inte... |
Large cardinals and constructible universe
up vote 6 down vote favorite
We know that if $V=L$ holds, then $|\cal{P}(\omega)|=|\cal{P}(\omega)\cap \textrm{L}|=\aleph_1$ whereas, in the presence of a measurable cardinal (in fact, even Ramsey) $|\cal{P}(\omega)\cap \textrm
{L}|=\aleph_0$. I remark that the cardinalities a... | {"url":"http://mathoverflow.net/questions/70097/large-cardinals-and-constructible-universe?sort=votes","timestamp":"2014-04-21T13:09:49Z","content_type":null,"content_length":"57061","record_id":"<urn:uuid:053f44a9-0986-4186-b79e-d35b7e007958>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-201404160... |
Ihara zeta function (graph theory) coefficients using a line graph
up vote 0 down vote favorite
I wish to take a simple undirected graph (i.e. the complete graph K_4) Arbitrarily direct said graph, and then create a line graph from the directed version of the graph.
However, in Sage it appears to create a line graph th... | {"url":"http://mathoverflow.net/questions/122682/ihara-zeta-function-graph-theory-coefficients-using-a-line-graph?sort=oldest","timestamp":"2014-04-21T02:44:16Z","content_type":null,"content_length":"59572","record_id":"<urn:uuid:a0c869c2-3559-47dd-8835-bb63dd8801c8>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.2... |
An Introduction to the Bootstrap
Results 1 - 10 of 2,049
- Machine Learning , 1996
"... Bagging predictors is a method for generating multiple versions of a predictor and using these to get an aggregated predictor. The aggregation averages over the versions when predicting a
numerical outcome and does a plurality vote ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=7696","timestamp":"2014-04-21T03:56:44Z","content_type":null,"content_length":"40673","record_id":"<urn:uuid:05baf736-0de8-4703-9719-8fc8f51b1f6c>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00499-ip-10-147-4-33.ec2.internal.warc.... |
Got Homework?
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Here's the question you clicked on:
If two guys walk into a store and one of the two guys get knoc... | {"url":"http://openstudy.com/updates/510937b7e4b0d9aa3c45f513","timestamp":"2014-04-19T01:56:44Z","content_type":null,"content_length":"56291","record_id":"<urn:uuid:dc8ceca2-67c5-4ab5-9f35-5bec154c43ed>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00517-ip-10-147-4-33.ec2.internal.w... |
search results
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1. CMB 2011 (vol 54 pp. 506)
On the Canonical Solution of the Sturm-Liouville Problem with Singularity and Turning Point of Even Order
In this paper, we are going to investigate the canonical property of solutions of systems of differential equations hav... | {"url":"http://cms.math.ca/cmb/kw/infinite%20products","timestamp":"2014-04-17T15:37:22Z","content_type":null,"content_length":"28050","record_id":"<urn:uuid:154d07b3-98cd-48dc-9e57-c818e4ac0bee>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00472-ip-10-147-4-33.ec2.internal.warc.gz"} |
Items tagged with population
Hello everyone,
I have a problem with the Brownian Motion (I'm using Maple 15).
Here is the code:
X1:=SamplePath(X(t),t=0..T,timesteps =T/d):
The last line give me a number different from zero, which is not true for a Brownian Motion as defined.
Could you please tell me where is the problem... | {"url":"http://www.mapleprimes.com/tags/population","timestamp":"2014-04-20T08:18:59Z","content_type":null,"content_length":"58541","record_id":"<urn:uuid:350dfd66-3b98-4ca5-80eb-58964e59e9c9>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00352-ip-10-147-4-33.ec2.internal.warc.gz"} |
Math Forum: Teacher2Teacher - Q&A #918
View entire discussion
[<< prev] [ next >>]
From: A parent <cvt7@yahoo.com>
To: Teacher2Teacher Public Discussion
Date: 2001121520:37:40
Subject: A dissenting voice
As a parent of a student who uses DG in the 9th grade, I am
disappointed by the approach.
There are two issues here,... | {"url":"http://mathforum.org/t2t/discuss/message.taco?thread=918&n=3","timestamp":"2014-04-19T03:07:56Z","content_type":null,"content_length":"7166","record_id":"<urn:uuid:0439b5f9-bfe8-40dc-b96c-3c8f3a109521>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00529-ip-10-147-4-33.ec2.inte... |
A Political Redistricting Tool for the Rest of Us - The Population Density Function
The Population Density Function
All of the data collected by the United States during its decennial census is freely available from the Census Bureau. The data that we used throughout this paper comes from the 2010 data set. Our
redistr... | {"url":"http://www.maa.org/publications/periodicals/loci/a-political-redistricting-tool-for-the-rest-of-us-the-population-density-function-0","timestamp":"2014-04-16T11:15:48Z","content_type":null,"content_length":"101137","record_id":"<urn:uuid:6c1c1c93-3f77-4b68-bc3b-f782ff7981db>","cc-path":"CC-MAIN-2014-15/segments... |
Can gravity cause an expansion of a sphere?
Hi everybody,
some time ago our teacher has shown us the following example from the theory of elasticity:
Calculate how the gravity of the sphere changes its size. The sphere is made of ideal linear material (in practice, perhaps some metal) with Young modulus [itex]E[/itex] ... | {"url":"http://www.physicsforums.com/showthread.php?p=3907134","timestamp":"2014-04-19T09:36:40Z","content_type":null,"content_length":"38389","record_id":"<urn:uuid:146713a9-ee82-4ad3-9c0f-7451dd4f4b7e>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00349-ip-10-147-4-33.ec2.internal.... |
need help with calculus
Hi, Thinkdesigns. Calculus is basically just the study of rates of change. If you always keep that basic definition in the back of your head you should never become overwhelmed by the breadth of the
Anyway, you asked for some simple questions related to maximums and minimums.
1) If y = 4x - x^2 ... | {"url":"http://www.mathisfunforum.com/viewtopic.php?id=2148","timestamp":"2014-04-16T10:49:51Z","content_type":null,"content_length":"12460","record_id":"<urn:uuid:80c7ef64-163d-4751-82e4-fa1c2a1688f1>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00002-ip-10-147-4-33.ec2.internal.wa... |
Wolfram Demonstrations Project
Option Prices under the Fractional Black-Scholes Model
This Demonstration shows the values of vanilla European options in a model based on fractional Brownian motion and on ordinary geometric Brownian motion (the Black–Scholes model). The strike price
is fixed at 100. Options values in th... | {"url":"http://demonstrations.wolfram.com/OptionPricesUnderTheFractionalBlackScholesModel/","timestamp":"2014-04-17T09:42:59Z","content_type":null,"content_length":"47130","record_id":"<urn:uuid:6f3af410-1f28-43c2-b3ec-460e4ffea236>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00320... |
5. Arc Length, Angles, and Rotations
Theorems 5.1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
Theorem 5.1: If two distinct points on a circle are not diametrically opposed, then the tangent lines at those points meet a point outside the circle.
Theorem 5.2: Let P be a partition of the arc between A and B. Then the inside a... | {"url":"http://www.sonoma.edu/users/w/wilsonst/Papers/Geometry/angles/default.html","timestamp":"2014-04-16T13:06:37Z","content_type":null,"content_length":"5597","record_id":"<urn:uuid:3297f84a-0b03-4270-a5a9-cdb2e51ed5a9>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00649-ip-10-14... |
Continued Fractions
A. Ya. Khinchin
Continued Fractions
1997; Dover Publications; 0486696308
Elementary-level text by noted Soviet mathematician offers superb introduction to positive-integral elements of theory of continued fractions. Clear, straightforward presentation of the properties of
the apparatus, the represen... | {"url":"http://www.researchbooks.org/0486696308/CONTINUED-FRACTIONS/","timestamp":"2014-04-18T23:17:26Z","content_type":null,"content_length":"2194","record_id":"<urn:uuid:0c1f38cc-908c-4581-aeb0-d75dd15f3deb>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00065-ip-10-147-4-33.ec2.int... |
Quarks 'swing' to the tones of random numbers
A matrix is a rectangular array of numbers. A random matrix can be compared to a Sudoku filled with random numbers. Matrices are part of the equations governing the movements of the particles. In a
random matrix there are numbers that are entered randomly, while there are s... | {"url":"http://phys.org/news204809213.html","timestamp":"2014-04-19T20:40:18Z","content_type":null,"content_length":"72631","record_id":"<urn:uuid:a21b5875-f8e7-4146-bc31-f72fddfb9f3c>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00345-ip-10-147-4-33.ec2.internal.warc.gz"} |
Homework Help
Posted by Emily on Friday, October 1, 2010 at 4:45pm.
Ali did his homework at school with a graphing calculator. He determined that the equation of the line of best fit for some data was y=2.63x-1.29. Once he got home, he realized he had mixed up the
independent and dependent variables. Write the correct ... | {"url":"http://www.jiskha.com/display.cgi?id=1285965942","timestamp":"2014-04-17T22:08:41Z","content_type":null,"content_length":"9613","record_id":"<urn:uuid:92bca126-69e7-4bed-ab97-c5dd15bdfbb5>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00229-ip-10-147-4-33.ec2.internal.warc.gz... |
Center of Mass, Man, Woman, and Frictionless Ice
1. The problem statement, all variables and given/known data
A 58 kg woman and an 78 kg man stand 8.00 m apart on frictionless ice. How far from the woman is their CM? 4.6 m
If each holds one end of a rope, and the man pulls on the rope so that he moves 2.6 m, how far fr... | {"url":"http://www.physicsforums.com/showthread.php?p=3804537","timestamp":"2014-04-17T18:24:22Z","content_type":null,"content_length":"29125","record_id":"<urn:uuid:a298d8ff-dc2b-49a5-a1f0-c561dd4a39ff>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00352-ip-10-147-4-33.ec2.internal.... |
Trooper, PA Math Tutor
Find a Trooper, PA Math Tutor
...I value and respect the incredible variety of personalities that I encounter while teaching, and I greatly enjoy meeting students from various backgrounds. I understand that each student
deserves specialized consideration in order to succeed, and I happily ada... | {"url":"http://www.purplemath.com/Trooper_PA_Math_tutors.php","timestamp":"2014-04-17T16:03:14Z","content_type":null,"content_length":"23897","record_id":"<urn:uuid:82289f9c-553c-45eb-87c6-c30afb520aa1>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00216-ip-10-147-4-33.ec2.internal.wa... |
Find largest square number - without using calculator
March 31st 2011, 11:30 PM
Find largest square number - without using calculator
Hey All,
This problem must be done without the use of a calculator. I am able to guesstimate my way to a close enough answer but need some help to improve this.
If n is the l... | {"url":"http://mathhelpforum.com/algebra/176499-find-largest-square-number-without-using-calculator-print.html","timestamp":"2014-04-20T02:23:06Z","content_type":null,"content_length":"11015","record_id":"<urn:uuid:5956950f-1a01-4642-a9c5-8947c00b50b6>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-2... |
Uniqueness Theorem
Yes, of course if you change the initial conditions, you will have different solutions! What the "existance and uniqueness" theorem for initial value problems says is that a given (well behaved)
differential equation, with specific initial conditions will have a unique solution.
Specifically, the bas... | {"url":"http://www.physicsforums.com/showthread.php?p=4208142","timestamp":"2014-04-16T10:37:33Z","content_type":null,"content_length":"24388","record_id":"<urn:uuid:8196d92e-c054-4b86-b2f4-318e6242ff2e>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00601-ip-10-147-4-33.ec2.internal.... |
A question on the use of the rational zero theorem
February 20th 2013, 06:46 AM
A question on the use of the rational zero theorem
I graphed the function $x^3-2x+3$, and it appears that there is one real root. I wanted to use the rational zero theorem to determine the root but it doesn't agree with my geometric pic... | {"url":"http://mathhelpforum.com/algebra/213469-question-use-rational-zero-theorem-print.html","timestamp":"2014-04-20T19:12:41Z","content_type":null,"content_length":"6993","record_id":"<urn:uuid:379c1338-35f9-4a50-b308-ccbc0cbdac4c>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-001... |
is this a way to solve a radical equation?
April 15th 2011, 08:25 PM #1
Junior Member
Mar 2011
is this a way to solve a radical equation?
so FOIL the left side, square the right side for, 2x^2-7=x^2-6x+9. Add 7: 2x^2=x^2-6x+16 but then divide by 2 instead of adding 2x^2: x^2=(x^2-6x+16)(1/2).
Then subtract ... | {"url":"http://mathhelpforum.com/algebra/177799-way-solve-radical-equation.html","timestamp":"2014-04-19T05:59:48Z","content_type":null,"content_length":"40200","record_id":"<urn:uuid:08932eaf-2214-4a0b-aca3-ae4bc091a11b>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00027-ip-10-147-... |
The Glass-Bottom Blog
If you haven't read it yet, I recommend
Batterman's article
on the philosophical connection between emergent phenomena and singularities. It is nice to have philosophers taking the
renormalization-group idea
seriously, as this idea has had an enormous impact on how physics is done and interpreted
... | {"url":"http://glassbottomblog.blogspot.com/2010/09/emergence-and-limits.html","timestamp":"2014-04-17T04:26:16Z","content_type":null,"content_length":"93998","record_id":"<urn:uuid:cc695632-eb03-4cde-91a2-602f2decf69b>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00429-ip-10-147-4-3... |
the first resource for mathematics
Chaotic spatial patterns described by the extended Fisher-Kolmogorov equation.
(English) Zbl 0862.34012
The authors study spatial patterns of the bounded solutions of
$\gamma {u}^{"\text{'}\text{'}\text{'}}={u}^{\text{'}\text{'}}+u-{u}^{3}\phantom{\rule{4.pt}{0ex}}\text{on}\phantom{\r... | {"url":"http://zbmath.org/?q=an:0862.34012","timestamp":"2014-04-21T04:44:26Z","content_type":null,"content_length":"21501","record_id":"<urn:uuid:49ae4bd5-d512-469b-8f56-e02e202a6032>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00048-ip-10-147-4-33.ec2.internal.warc.gz"} |
Basis for space which contains the image of a matrix
October 7th 2010, 11:14 PM #1
Senior Member
Feb 2008
Basis for space which contains the image of a matrix
Find a basis for $\mathbb{R}^3$ which contains a basis of $im(A)$, where
$A=\begin{pmatrix}1&2&3&4\\ 2&-4&6&-2\\-1 & 2& -3 & 1 \end{pmatrix}$
Aft... | {"url":"http://mathhelpforum.com/advanced-algebra/158785-basis-space-contains-image-matrix.html","timestamp":"2014-04-19T15:02:39Z","content_type":null,"content_length":"31676","record_id":"<urn:uuid:4410d851-11f3-474c-816c-9583c4672b1a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-0... |
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271 mL of dilute stearic acid solution was used to make a circ... | {"url":"http://openstudy.com/updates/51b7737be4b00fef3d0a98ea","timestamp":"2014-04-18T18:51:32Z","content_type":null,"content_length":"53251","record_id":"<urn:uuid:edda4558-eeff-41aa-9b27-b6e05a398835>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00572-ip-10-147-4-33.ec2.internal.w... |
Bayesian Hierarchical Poisson Regression Model for Overdispersed Count Data
This example uses the RANDOM statement in MCMC procedure to fit a Bayesian hierarchical Poisson regression model to overdispersed count data. The RANDOM statement, available in SAS/STAT 9.3 and
later, provides a convenient way to specify random... | {"url":"https://support.sas.com/rnd/app/examples/stat/BayesSalm93/new_example/index.html","timestamp":"2014-04-17T07:09:44Z","content_type":null,"content_length":"100667","record_id":"<urn:uuid:05a97ab6-650c-41b6-96f2-b2d973ef490c>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00009-... |
Patent US5218625 - Method for the automatic determination of the exposure time of a radiographic film and system of implementation thereof
1. Field of the Invention
The invention relates to radiology systems that have a radiological film and are used to examine objects and, more particularly in such systems, it relates... | {"url":"http://www.google.com/patents/US5218625?dq=6,163,776","timestamp":"2014-04-24T04:21:53Z","content_type":null,"content_length":"144684","record_id":"<urn:uuid:6f6b1ada-993b-4d6c-9554-88e242d479ab>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00081-ip-10-147-4-33.ec2.internal.w... |
Results 1 - 10 of 43
, 1999
"... Abstract. In this survey the following model is considered. We assume that an instance I of a computationally hard optimization problem has been solved and that we know the optimum solution of
such instance. Then a new instance I ′ is proposed, obtained by means of a slight perturbation... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=4407","timestamp":"2014-04-16T08:35:55Z","content_type":null,"content_length":"37898","record_id":"<urn:uuid:8f6e51fd-076f-4c20-838b-06c45ba7b9f4>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00558-ip-10-147-4-33.ec2.internal.warc.... |
ombination of
Results 1 - 10 of 12
- Frontiers of Combining Systems, volume 3 of Applied Logic Series , 1996
"... The Nelson-Oppen combination procedure, which combines satisfiability procedures for a class of first-order theories by propagation of equalities between variables, is one of the most general
combination m... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=399908","timestamp":"2014-04-23T13:34:58Z","content_type":null,"content_length":"41730","record_id":"<urn:uuid:c44b4b95-de7b-4ebf-a668-1b697967766f>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00373-ip-10-147-4-33.ec2.internal.war... |
Math Tools Discussion: All in Calculus for Functions, Graphs, and Limits, Using this in my calculus course
Discussion: All in Calculus for Functions, Graphs, and Limits
Topic: Using this in my calculus course
Related Item: http://mathforum.org/mathtools/tool/1133/
<< see all messages in this
Subject: Using ... | {"url":"http://mathforum.org/mathtools/discuss.html?co=c&context=cell&do=r&msg=c_oa__disc_1133_g-1","timestamp":"2014-04-19T15:26:50Z","content_type":null,"content_length":"16318","record_id":"<urn:uuid:ffba47e0-60b9-4cd4-994b-5589ed460db9>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-2014041600521... |
Is every manifold triangulable?
In Lee's Intro to topological manifolds, p.105, it is written that every manifold of dimension 3 or below is triangulable. But in dimension 4, threre are known examples of non triangulable manifolds.
In dimensions greater than four, the answer is unknown.
But in Bott-Tu p.190, it is writ... | {"url":"http://www.physicsforums.com/showthread.php?t=431232","timestamp":"2014-04-16T04:19:06Z","content_type":null,"content_length":"37019","record_id":"<urn:uuid:7cec71e8-d991-4ea1-87e7-55755a5a6b7a>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00147-ip-10-147-4-33.ec2.internal.w... |
Nonexistence of boundary between convergent and divergent series?
up vote 45 down vote favorite
The following is a FAQ that I sometimes get asked, and it occurred to me that I do not have an answer that I am completely satisfied with. In Rudin's Principles of Mathematical Analysis, following
Theorem 3.29, he writes:
... | {"url":"http://mathoverflow.net/questions/49415/nonexistence-of-boundary-between-convergent-and-divergent-series/132681","timestamp":"2014-04-18T05:41:39Z","content_type":null,"content_length":"82531","record_id":"<urn:uuid:4f388f4a-b6c1-42bc-b69a-f9f87803afd8>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc... |
Entire function interpolation with control over multiplicities/derivatives
up vote 0 down vote favorite
Let's say I have a multiset of complex numbers $\lbrace a_1,\cdots,a_n\rbrace$ (so some of the elements may be repeated) and I would like to construct an entire function $p(z)$ with those numbers as
zeroes. However, ... | {"url":"http://mathoverflow.net/questions/25211/entire-function-interpolation-with-control-over-multiplicities-derivatives/104554","timestamp":"2014-04-21T13:09:04Z","content_type":null,"content_length":"63005","record_id":"<urn:uuid:ed66d08b-add4-4955-8e13-0c11cdac83aa>","cc-path":"CC-MAIN-2014-15/segments/13982232117... |
[OpenGL ES 2.0] Point Lighting gone haywire [Archive] - OpenGL Discussion and Help Forums
03-21-2010, 04:32 PM
I'm trying to implement the fixed function pipeline from OpenGL in OpenGL ES 2. At the present moment i'm working on the point light per vertex.
However, it appears that something is not quite right. I took t... | {"url":"http://www.opengl.org/discussion_boards/archive/index.php/t-170392.html","timestamp":"2014-04-20T00:44:18Z","content_type":null,"content_length":"7698","record_id":"<urn:uuid:ed1c057e-bc8a-4263-9758-19c776409663>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00641-ip-10-147-4-... |
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J. Chil. Chem. Soc. v.48 n.3 Concepción sep. 2003
J. Chil. Chem. Soc., 48, N 3 (2003) ISSN 0717-9324
DETERMINATION OF THE HENRY'S CONSTANT OF VOLATILE AND SEMI-VOLATILE ORGANIC COMPONUDS OF ENVIRONMENTA... | {"url":"http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072003000300001&lng=es&nrm=iso&tlng=en","timestamp":"2014-04-19T17:36:54Z","content_type":null,"content_length":"52442","record_id":"<urn:uuid:6c2c5ddb-8267-4bca-9a16-34cff39866e6>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-2... |
Number of digits in n!
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Is there any efficient algorithm for counting number of digits in n! without actually calculating n!?
[Addendum -- PLC]: I voted to close the question as "no longer relevant" because of Gerry's answer that one could just use Stirling's formula, as supplemented by a co... | {"url":"http://mathoverflow.net/questions/19086/number-of-digits-in-n?sort=newest","timestamp":"2014-04-20T06:27:10Z","content_type":null,"content_length":"58428","record_id":"<urn:uuid:13167a4c-e274-412a-8b86-d3a81cde1bd5>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00233-ip-10-14... |
NITheP - National Institute
• Aug 30 2011
WITS Theory Seminar Series
The National Institute for Theoretical Physics, and the Centre for Theoretical Physics, School of Physics, would like to invite to its coming talk in the theory seminar series, entitled:
"Theory of Quantum Space-Time"
to be pres... | {"url":"http://www.nithep.ac.za/3ls.htm","timestamp":"2014-04-16T19:29:35Z","content_type":null,"content_length":"12743","record_id":"<urn:uuid:bcee7b9a-3e36-490e-9f49-c9d59ecdb195>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00493-ip-10-147-4-33.ec2.internal.warc.gz"} |
You are in a maze of twisty little equations, all alike.
A long calculation is like playing a computer game.
This is actually somewhat true, for the sort of computer games where you realize that you've gone down the wrong path and have to backtrack. In both cases you're trying to find your way through a
maze of twisty ... | {"url":"http://godplaysdice.blogspot.com/2007/10/you-are-in-maze-of-twisty-little.html","timestamp":"2014-04-16T05:10:57Z","content_type":null,"content_length":"57418","record_id":"<urn:uuid:aaeb73ae-1240-40f7-98a8-e6336db3ad7b>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00166-ip-... |
search results
Expand all Collapse all Results 151 - 175 of 217
151. CJM 2003 (vol 55 pp. 292)
Infinitely Divisible Laws Associated with Hyperbolic Functions
The infinitely divisible distributions on $\mathbb{R}^+$ of random variables $C_t$, $S_t$ and $T_t$ with Laplace transforms $$ \left( \frac{1}{\cosh \sqrt{... | {"url":"http://cms.math.ca/cjm/msc/11?page=7","timestamp":"2014-04-17T06:57:51Z","content_type":null,"content_length":"70025","record_id":"<urn:uuid:39aac418-0855-460a-8873-cc3ca779cb9e>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00316-ip-10-147-4-33.ec2.internal.warc.gz"} |
10.27 Updatable Binary Trees—library(trees)
This libary module provides updatable binary trees with logarithmic access time. Exported predicates:
gen_label(?Index, +Tree, ?Value)
assumes that Tree is a proper binary tree, and is true when Value is the Index-th element in Tree. Can be used to enumerate all Values by... | {"url":"http://sicstus.sics.se/sicstus/docs/latest/html/sicstus.html/lib_002dtrees.html","timestamp":"2014-04-17T01:51:23Z","content_type":null,"content_length":"6718","record_id":"<urn:uuid:b8573d34-d744-44fd-befd-aa74d8cf0943>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00469-ip-1... |
Is a double really unsuitable for money?
up vote 44 down vote favorite
I always tell in c# a variable of type double is not suitable for money. All weird things could happen. But I can't seem to create an example to demonstrate some of these issues. Can anyone provide
such an example?
(edit; this post was originally ta... | {"url":"http://stackoverflow.com/questions/316727/is-a-double-really-unsuitable-for-money/316788","timestamp":"2014-04-18T00:54:13Z","content_type":null,"content_length":"105222","record_id":"<urn:uuid:dbd28544-c4ae-4df8-aaba-4ac836b7e56f>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-2014041600521... |
Michael Jeffrey Ward
• Position: Professor of Mathematics
• Member: Institute for Applied Mathematics
• Office Location: Math Annex 1217
• Math Office Telephone: (604) 822-5869
• Email Address: ward at math dot ubc dot ca
• Postal Address: 1984 Mathematics Road, Dept. of Mathematics, Univ.... | {"url":"http://www.math.ubc.ca/~ward/","timestamp":"2014-04-19T12:25:28Z","content_type":null,"content_length":"2797","record_id":"<urn:uuid:32f04b4b-ac50-4716-a982-f015511938a5>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00312-ip-10-147-4-33.ec2.internal.warc.gz"} |
Problems In Highschool Chemistry
This book will deal with all the topics covered in the high school syllabus, through numerical problems and other questions. Unlike a textbook which teaches students, we expect the content of this
book to teach students to teach themselves.
The articles, problems and solutions discussed... | {"url":"http://en.m.wikibooks.org/wiki/Problems_In_Highschool_Chemistry","timestamp":"2014-04-21T09:47:38Z","content_type":null,"content_length":"19176","record_id":"<urn:uuid:08ffd21a-2beb-4ceb-8bf1-489e7d0e94ff>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00237-ip-10-147-4-33.ec2... |
calculating enclosure volume??? [Archive] - Car Audio Forum - CarAudio.com
(L-2xthickness) (w-2x thickness) (D-2xthickness)...? then any other variables are take out... port bracing 45s sub...
i always use the manual formulas its not that hard. basic fuckin math
Show us the formula for finding the sealed volume to ach... | {"url":"http://www.caraudio.com/forums/archive/index.php/t-447296.html","timestamp":"2014-04-21T16:45:59Z","content_type":null,"content_length":"9608","record_id":"<urn:uuid:5ea398b6-5a4d-494a-917c-1bd8276c6f39>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00213-ip-10-147-4-33.ec2.i... |
Calculus is a central branch of mathematics, developed from algebra and geometry, and built on two major complementary ideas.
One concept is differential calculus. It studies rates of change, which are usually illustrated by the slope of a line. Differential calculus is based on the problem of finding the instantaneous... | {"url":"http://www.edinformatics.com/inventions_inventors/calculus.htm","timestamp":"2014-04-21T09:45:29Z","content_type":null,"content_length":"40355","record_id":"<urn:uuid:943c7be1-1c06-41ed-8e1a-8c24066130ea>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00250-ip-10-147-4-33.ec2.... |
Analog-to-Digital conversion
Question 1:
The circuit shown here is a four-bit analog-to-digital converter (ADC). Specifically, it is a
converter, so named because of its high speed:
Explain why we must use a
encoder to encode the comparator outputs into a four-bit binary code, and not a regular encoder. What problem(s)... | {"url":"http://www.allaboutcircuits.com/worksheets/adc.html","timestamp":"2014-04-19T17:01:34Z","content_type":null,"content_length":"48690","record_id":"<urn:uuid:2379fcfe-1e13-467d-aac7-178f0d04ac33>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00285-ip-10-147-4-33.ec2.internal.wa... |
Category:Math Level 3
From OpenContent Curriculum
Go Back to the main Math page
Five Easy Steps to a Balanced Math Program
MA.03.01 Identifies, describes, orders, and models place value to one thousand. (GLE[3] N-2)(GLE[3] N-2)
MA.03.02 Skip counts by numbers beyond 100 forward and backward (2 thru 10). (GLE [3] N-9, E... | {"url":"http://wiki.bssd.org/index.php/Category:Math_level_3","timestamp":"2014-04-17T07:12:38Z","content_type":null,"content_length":"23943","record_id":"<urn:uuid:f07d48e2-c33e-47df-a30a-624bc3aea567>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00600-ip-10-147-4-33.ec2.internal.wa... |
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integral problem. i have seen one solution in full. Maybe i ca... | {"url":"http://openstudy.com/updates/51150771e4b09e16c5c7bfd4","timestamp":"2014-04-25T08:13:27Z","content_type":null,"content_length":"54625","record_id":"<urn:uuid:c4824dbb-6695-4ffd-8aa4-e398c54c4dc3>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00004-ip-10-147-4-33.ec2.internal.... |
Accident Models for Two-Lane Rural Roads: Segment and Intersections
6. Validation and Further Analysis
Cumulative Scaled Residuals
Figures 8 through 15 below show cumulative scaled residual plots for the extended negative binomial model (combined segments, Table 27) and for negative binomial models (Minnesota three-leg... | {"url":"https://www.fhwa.dot.gov/publications/research/safety/98133/ch06_03.cfm","timestamp":"2014-04-16T05:38:25Z","content_type":null,"content_length":"12015","record_id":"<urn:uuid:f7d071a4-c47a-4130-b913-39df6e76cc5c>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00134-ip-10-147-... |