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Conditional Probability problem
September 19th 2011, 10:52 AM #1
Sep 2011
Conditional Probability problem
Let S be a sample space, with A is a subset S and B is a subset S. If P(A) = .6 what can be said about, P(A ∩ B),
(a) A and B are mutully exclusive?
(b) A is a subset B
(c) B is a subset A
(... | {"url":"http://mathhelpforum.com/advanced-statistics/188362-conditional-probability-problem.html","timestamp":"2014-04-18T08:37:42Z","content_type":null,"content_length":"56628","record_id":"<urn:uuid:b4dc90fe-d9b4-490f-9d09-9898ecc33dcb>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213... |
Glendale, CO Algebra Tutor
Find a Glendale, CO Algebra Tutor
...I have received numerous student commendations. I currently teach general biology at a community college. I have also tutored general biology, both to college and high school students.
7 Subjects: including algebra 2, algebra 1, chemistry, geometry
... | {"url":"http://www.purplemath.com/glendale_co_algebra_tutors.php","timestamp":"2014-04-17T21:56:21Z","content_type":null,"content_length":"23826","record_id":"<urn:uuid:8618d103-89a7-48a2-8434-5fbb43533b26>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00214-ip-10-147-4-33.ec2.interna... |
Having trouble with the sqrt() function.
Having trouble with the sqrt() function.
I'm getting strage output with the sqrt() function in a quadratic formula program. I'll also add that I had the same problem using pow(x,.5). It's definitely the function that's causing the
problem, I've made sure of it.
#incl... | {"url":"http://cboard.cprogramming.com/cplusplus-programming/71677-having-trouble-sqrt-function-printable-thread.html","timestamp":"2014-04-17T22:23:55Z","content_type":null,"content_length":"10917","record_id":"<urn:uuid:8cc1b14f-5b82-4cd2-979f-79398be15831>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/C... |
Fun Code of the Week #6: Primality Checking
I decided to give KhanAcademy a spin, and watched this set of videos:
And that let to me writing this code:
function IsPrime(const x: integer): Boolean;
i: integer;
i := 2;
if X mod i = 0 then
Result := False;
until i > Sqrt(x);
Result := True;
I know that t... | {"url":"http://www.nickhodges.com/post/Fun-Code-of-the-Week-6-Primality-Checking.aspx","timestamp":"2014-04-20T01:14:14Z","content_type":null,"content_length":"50973","record_id":"<urn:uuid:2ff2e925-ad08-4979-a1b1-6bb9d7d75fbc>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00004-ip-10... |
Re: st: Problem with margins after logit on a person period data
Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][... | {"url":"http://www.stata.com/statalist/archive/2011-06/msg00477.html","timestamp":"2014-04-18T13:14:31Z","content_type":null,"content_length":"11289","record_id":"<urn:uuid:9fb5f985-4a0f-4d74-8c3c-81353b487574>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00388-ip-10-147-4-33.ec2.in... |
MarketingExperiments Blog: Research-driven optimization, testing, and marketing ideas
Online Marketing Tests: A data analyst’s view of balancing risk and reward
October 3rd, 2012
The answer “yes” to the question, “Is this test statistically significant?” — in Daniel Burstein’s MarketingExperiments blog post, “Online... | {"url":"http://www.marketingexperiments.com/blog/analytics-testing/online-testing-rewards-risks.html","timestamp":"2014-04-20T13:20:17Z","content_type":null,"content_length":"69816","record_id":"<urn:uuid:dba37220-6a31-4f4d-a599-e4988b53e4bb>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032... |
MARK 203 1 & 2
NAME: ________________________
5 Written Questions
5 Matching Questions
1. survey design? I M Q S W SL
2. types of surveys? 5
3. problems are depicted on a?
4. factors affecting survey method?
5. relevance?
1. a 1) info needed- exploratory research to gain insight- who? where? how?
-consider ta... | {"url":"http://quizlet.com/2474240/test","timestamp":"2014-04-16T10:20:06Z","content_type":null,"content_length":"39179","record_id":"<urn:uuid:c211a6be-1e4e-4aca-8c32-bcbeb1e906a6>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00417-ip-10-147-4-33.ec2.internal.warc.gz"} |
Woodland Park, NJ Algebra 2 Tutor
Find a Woodland Park, NJ Algebra 2 Tutor
...I have tutored math for a couple of semesters back in college, and I consider myself qualified to tutor math, computer science, and the logic portion of the LSAT (a favorite). I also spent
several months tutoring math and reading to class... | {"url":"http://www.purplemath.com/Woodland_Park_NJ_Algebra_2_tutors.php","timestamp":"2014-04-20T07:08:17Z","content_type":null,"content_length":"24508","record_id":"<urn:uuid:8afd07d7-43d7-4774-810b-0a622b2c6376>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00112-ip-10-147-4-33.ec2... |
Contents of this Issue
Other Issues
ELibM Journals
ELibM Home
EMIS Home
Remarks on numerically positive line bundles on normal surfaces
Erika Emura and Hideo Kojima
Niigata High School, Niigata, Japan; Department of Information Engineering, Faculty of Engineering, Niigata University, Niigata 950-2181, Japan, e-mail: ko... | {"url":"http://www.kurims.kyoto-u.ac.jp/EMIS/journals/BAG/vol.51/no.1/21.html","timestamp":"2014-04-20T10:49:03Z","content_type":null,"content_length":"3587","record_id":"<urn:uuid:f4174d6d-6201-44db-8f8c-f0026b69f8d8>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00204-ip-10-147-4-3... |
Is the probability of an element in Set B also being an elem
Question Stats:
60%40% (01:09)based on 70 sessions
Is the probability of an element in Set B also being an element in Set A equal to the probability of an element in Set A also being an element in Set B?
(1) Set A consists of all integers from 1 through 5 and... | {"url":"http://gmatclub.com/forum/is-the-probability-of-an-element-in-set-b-also-being-an-elem-144833.html","timestamp":"2014-04-19T15:55:18Z","content_type":null,"content_length":"151990","record_id":"<urn:uuid:dc2f42e9-a80c-4806-888a-70d683a44aa3>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-2014... |
Multiplication Of Large Numbers..
I have got a unique problem while handling large number multiplications.I am using Currency datatype for all my multiplications. for example if the first number is 12345678.1234 and the second number
is 123345678.1234 and the third number is 1234567.123 .Multiping these 3 nos gives me ... | {"url":"http://www.bigresource.com/VB-Multiplication-of-large-numbers--YNXa39hf6U.html","timestamp":"2014-04-19T09:26:05Z","content_type":null,"content_length":"49739","record_id":"<urn:uuid:9b307307-1a99-4a0f-961f-cbb7133e4a2b>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00474-ip-... |
Number of results: 214,135
Logs are stacked up in apile as shown in the figure. The top row has 15 logs and the bottom row has 21 logs. How many logs are in the stack? a1= 1+14=15 an= 7+14=21 s1=(n/2)(a1+an) (n/2)(15+21) = 18
How do I figure out the n?
Tuesday, May 4, 2010 at 4:37pm by Abbey(Please help)
math - natural... | {"url":"http://www.jiskha.com/search/index.cgi?query=math-logs","timestamp":"2014-04-17T01:28:09Z","content_type":null,"content_length":"36461","record_id":"<urn:uuid:4d3d27ec-b4cc-439e-9d09-05c95eeacd61>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00238-ip-10-147-4-33.ec2.internal... |
September 17th 2007, 05:45 AM #1
I have two questions:
The first is that I can't seem to get the answer to the attached equation. The book says x = 1, or x = 1/2. Though this is probably because of my second question:
The second question is, is there a method to work out how to factorise? Sometimes it seems... | {"url":"http://mathhelpforum.com/algebra/19075-equation.html","timestamp":"2014-04-17T22:51:46Z","content_type":null,"content_length":"46315","record_id":"<urn:uuid:8ea0bdf2-57c2-46d1-b986-7da5c2c47906>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00586-ip-10-147-4-33.ec2.internal.w... |
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I think this has no answer.. There are 50 horses and 9 rooms.A... | {"url":"http://openstudy.com/updates/50dacf2be4b069916c857829","timestamp":"2014-04-18T10:51:22Z","content_type":null,"content_length":"112422","record_id":"<urn:uuid:98513155-6b85-4027-9122-81725498f8d6>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00072-ip-10-147-4-33.ec2.internal... |
What Exactly is a Fraction?
Date: 10/15/2001 at 07:17:48
From: Sridhar Rajagopalan
Subject: What (exactly) are fractions? Is 3 a fraction?
What is a fraction? Is 3/1 a fraction? Is 5/sqrt(2) a fraction?
I tried to check some internet glossaries, and there does not seem to
be unanimity. The TUSD Math Glossary says:
"Fra... | {"url":"http://mathforum.org/library/drmath/view/56034.html","timestamp":"2014-04-19T15:22:25Z","content_type":null,"content_length":"12135","record_id":"<urn:uuid:639d24fb-ec66-486b-a582-eca4caf10bfc>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00471-ip-10-147-4-33.ec2.internal.wa... |
New to CompSci and Java
Join Date
Oct 2008
Rep Power
Hi i just started my CompSci class and for hw my teacher gave us the question:
"Write an expression that, given a positive integer n, computes a new integer
in which the units and tens digits have swapped places. For example, i... | {"url":"http://www.java-forums.org/new-java/12384-new-compsci-java.html","timestamp":"2014-04-17T18:17:49Z","content_type":null,"content_length":"105915","record_id":"<urn:uuid:266f00c3-ce90-49da-a563-2dee26327c12>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00492-ip-10-147-4-33.ec... |
Great Prelim Question
Roy is coming to plant flowers in Zoe’s garden. Zoe loves flowers, her utility for a garden with $x$ flowers is
$z(x) = x.$
Roy plants a unit mass of seeds and the fraction of these that will bloom into flowers depends on how attentive Roy is as a gardener. Roy’s attentiveness is his type $\theta$... | {"url":"http://cheaptalk.org/2013/09/08/great-prelim-question-2/","timestamp":"2014-04-19T20:20:52Z","content_type":null,"content_length":"57931","record_id":"<urn:uuid:bea898c2-82c2-4014-9529-84051087c9b6>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00525-ip-10-147-4-33.ec2.intern... |
Algorithmic graph theory and perfect graphs, volume 57 of Annals of Discrete Mathematics
Results 1 - 10 of 906
- J. Algorithms , 1998
"... The notion of treewidth has seen to be a powerful vehicle for many graph algorithmic studies. This survey paper wants to give an overview of many classes of graphs that can be seen ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=6994","timestamp":"2014-04-24T08:43:23Z","content_type":null,"content_length":"38634","record_id":"<urn:uuid:00367bc0-ee5e-4ab8-b12e-2a3defd8a61a>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-00149-ip-10-147-4-33.ec2.internal.warc.... |
Next: About this document Up: SDPpack User's Guide Version Previous: Examples
This appendix provides benchmarks of SDPpack Version 0.9 BETA on some randomly generated test problems, a set of 16 LMI problems from control applications (some of which apparently are infeasible),
and a set of 8 problems from truss topology ... | {"url":"http://www.cs.nyu.edu/faculty/overton/software/sdppack/v0.9-beta/doc/node24.html","timestamp":"2014-04-20T16:38:04Z","content_type":null,"content_length":"6459","record_id":"<urn:uuid:0df004d9-b215-4bab-b299-2ab7907a1323>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00342-ip... |
Beacon Lesson Plan Library
Drawing Bugs Game
Michal Dunnivant
Students explore probability by predicting the likelihood of rolling any one number on a fair die, graphing data, and analyzing the results of playing a drawing game.
Florida Sunshine State Standards
The student writes notes, comments, and observations that ... | {"url":"http://www.beaconlearningcenter.com/Lessons/210.htm","timestamp":"2014-04-19T22:07:26Z","content_type":null,"content_length":"10600","record_id":"<urn:uuid:c72142f5-d16a-4bcb-a7a1-10ed0adcaef1>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00491-ip-10-147-4-33.ec2.internal.wa... |
New to CompSci and Java
Join Date
Oct 2008
Rep Power
Hi i just started my CompSci class and for hw my teacher gave us the question:
"Write an expression that, given a positive integer n, computes a new integer
in which the units and tens digits have swapped places. For example, i... | {"url":"http://www.java-forums.org/new-java/12384-new-compsci-java.html","timestamp":"2014-04-17T18:17:49Z","content_type":null,"content_length":"105915","record_id":"<urn:uuid:266f00c3-ce90-49da-a563-2dee26327c12>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00492-ip-10-147-4-33.ec2... |
Nahant Calculus Tutor
Find a Nahant Calculus Tutor
...As a tutor I am patient and supportive and delight in seeing my students succeed. If it sounds to you like I can be helpful I hope you will consider giving me a chance. Thanks.My fascination
with math really began when I started studying calculus.
14 Subjects:... | {"url":"http://www.purplemath.com/Nahant_calculus_tutors.php","timestamp":"2014-04-20T19:17:14Z","content_type":null,"content_length":"23815","record_id":"<urn:uuid:4cf97b65-7ee9-420b-87f5-15294b717a8f>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00383-ip-10-147-4-33.ec2.internal.w... |
Morrow, GA Calculus Tutor
Find a Morrow, GA Calculus Tutor
...I smile when I have helped others smile. Away from the realm of academia, I enjoy making music, track and field, video games, Wing Chun Kung Fu and learning about Physics, Electronics and the
Cosmos.During my years in college, I tutored many math student... | {"url":"http://www.purplemath.com/Morrow_GA_Calculus_tutors.php","timestamp":"2014-04-17T22:03:04Z","content_type":null,"content_length":"23830","record_id":"<urn:uuid:d49f7b9f-662c-4ca3-948b-63e14da2415a>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00228-ip-10-147-4-33.ec2.interna... |
Key Enumeration
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
Key Enumeration
Specifies the possible key values on a keyboard.
Namespace: System.Windows.Input Assembly: System.Windows
(in System.Windows... | {"url":"http://msdn.microsoft.com/en-us/library/vstudio/system.windows.input.key(v=vs.95).aspx","timestamp":"2014-04-17T00:26:05Z","content_type":null,"content_length":"59628","record_id":"<urn:uuid:e426a55e-4eff-44dd-b591-2d21e1722153>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00... |
Elburn Math Tutor
Find an Elburn Math Tutor
...I have taught various levels of physics to public and private high school students for 20 years. On the AP Physics B exam, almost half of my students earn scores of 5, the highest score
possible, while most of the other half receive scores of 4! In addition to teaching... | {"url":"http://www.purplemath.com/Elburn_Math_tutors.php","timestamp":"2014-04-18T06:19:05Z","content_type":null,"content_length":"23477","record_id":"<urn:uuid:868da3b6-ca10-4583-85fc-43a294708732>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00133-ip-10-147-4-33.ec2.internal.warc.... |
Rohnert Park ACT Tutor
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...I break down Probability into the major classes of fundamental problems that will be presented. From each fundamental problem, we will work from the base easiest example and then increase in
complexity. I also help the student to establish a general organizati... | {"url":"http://www.purplemath.com/Rohnert_Park_ACT_tutors.php","timestamp":"2014-04-20T07:11:22Z","content_type":null,"content_length":"23852","record_id":"<urn:uuid:e1859493-ed21-4c9e-954b-558f99f5a678>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00534-ip-10-147-4-33.ec2.internal.... |
Spline Interpolation
Spline Interpolation
December 13, 2007 - 17:26
Is the Interpolator that is returned from Interpolators.getSplineInstance() supposed to be compatible with the SMIL standard? This would be important to know for any conversion to or from SVG. From
my tests, it seems to be more or less compatible with ... | {"url":"https://www.java.net/node/672595","timestamp":"2014-04-20T20:16:28Z","content_type":null,"content_length":"66873","record_id":"<urn:uuid:be5b2246-3e70-4285-a5fd-99ff370f7e2d>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00558-ip-10-147-4-33.ec2.internal.warc.gz"} |
Boltzmanns entropy equation
In my textbook they claim that:
They lost me when they said "thermodynamic state". Do they mean thermodynamic system? I know that a system such as a container of gas will have a very large number of microstates considering the
amount of gas molecules present and that statistical methods woul... | {"url":"http://www.physicsforums.com/showthread.php?p=3446948","timestamp":"2014-04-19T17:32:06Z","content_type":null,"content_length":"28530","record_id":"<urn:uuid:f537cba9-5135-4c76-82d0-7893277e2055>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00474-ip-10-147-4-33.ec2.internal.... |
[SciPy-User] Confidence interval for bounded minimization
josef.pktd@gmai... josef.pktd@gmai...
Thu Feb 23 00:23:44 CST 2012
On Thu, Feb 23, 2012 at 1:10 AM, <josef.pktd@gmail.com> wrote:
> On Thu, Feb 23, 2012 at 12:09 AM, Christopher Jordan-Squire
> <cjordan1@uw.edu> wrote:
>> On Wed, Feb 22, 2012 at 2:02 PM, Nathan... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2012-February/031590.html","timestamp":"2014-04-19T05:33:59Z","content_type":null,"content_length":"9648","record_id":"<urn:uuid:00331f7e-46b1-4c10-a92d-7b18a558343a>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00524-ip-10-147-4-33... |
A Body Oscillates A Body Oscillates With Simple ... | Chegg.com
A Body Oscillates A body oscillates with simple harmonic motion according to the equation
x = (3.0 m) cos[(5p rad/s)t + p/6 rad].
(a) At t = 10.0 s, what is the displacement?
1 m
(b) At t = 10.0 s, what is the velocity?
2 m/s
(c) At t = 10.0 s, what is the... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/body-oscillates-body-oscillates-simple-harmonic-motion-according-equation-x-30-m-cos-5p-ra-q1851721","timestamp":"2014-04-18T10:13:37Z","content_type":null,"content_length":"20281","record_id":"<urn:uuid:24949da6-661a-4bc2-83d7-c639f502f6c1>","cc-path":"C... |
Math Forum Discussions - RE: Probability of a Triangle
Date: Sep 15, 2004 11:44 AM
Author: Pat ballew
Subject: RE: Probability of a Triangle
And just as a note, Is the third solution shown here (the one for question B
below) correct?
Pat Ballew
Lakenheath, UK
MathWords http://www.pballew.net/etyindex.html
-----Original... | {"url":"http://mathforum.org/kb/plaintext.jspa?messageID=3226301","timestamp":"2014-04-16T10:37:14Z","content_type":null,"content_length":"2422","record_id":"<urn:uuid:c5e1dd71-0dd5-4179-8427-0526f2b7b74d>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00311-ip-10-147-4-33.ec2.interna... |
Mathematics Magazine - June 2008
The Mathematics of Helaman Ferguson's Four Canoes
Melissa Shepard Loe and Jenny Merrick Borovsky
In 1997 the University of St. Thomas installed a massive granite sculpture by Helaman Ferguson outside of the new Science and Engineering Center. The sculpture consists of two linked six-f... | {"url":"http://www.maa.org/publications/periodicals/mathematics-magazine/mathematics-magazine-june-2008","timestamp":"2014-04-16T18:08:18Z","content_type":null,"content_length":"96797","record_id":"<urn:uuid:02f5f6d9-bca4-4532-ad31-d832ed870dd4>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416... |
Text Processing (Part 1): Entity Recognition
Entity recognition is commonly used to parse unstructured text document and extract useful entity information (like location, person, brand) to construct a more useful structured representation. It
is one of the most common text processing to understand a text document.
I am... | {"url":"http://architects.dzone.com/articles/text-processing-part-1-entity","timestamp":"2014-04-17T18:35:28Z","content_type":null,"content_length":"65043","record_id":"<urn:uuid:be43c461-e1b6-49cd-bf41-c7682d42e6bd>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00192-ip-10-147-4-33.... |
Iterative Flattening Search for the Flexible Job Shop Scheduling Problem
Angelo Oddi, Riccardo Rasconi, Amedeo Cesta, Stephen F. Smith
This paper presents a meta-heuristic algorithm for solving the Flexible Job Shop Scheduling Problem (FJSSP). This strategy, known as Iterative Flattening Search (IFS), iteratively appli... | {"url":"http://ijcai.org/papers11/Abstracts/332.html","timestamp":"2014-04-19T19:34:21Z","content_type":null,"content_length":"1996","record_id":"<urn:uuid:8a63e868-95d1-4838-93c9-8bc46add6034>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00565-ip-10-147-4-33.ec2.internal.warc.gz"} |
Without use of any calculator
Never mind, forget what I wrote above. I was being naughty and used a calculator.
But I got it now. Here’s how.
By considering the sum of the complex roots of
, you have
But .
Note that . Hence
And . And there you have it.
Last edited by JaneFairfax (2008-07-25 23:27:41) | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=95401","timestamp":"2014-04-19T19:39:45Z","content_type":null,"content_length":"22628","record_id":"<urn:uuid:6178579a-dca5-4132-96a8-8665ed2c6a4f>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00500-ip-10-147-4-33.ec2.internal.... |
fits significant sine waves to data (continuous data) using overlapping windows.
function [datac,datafit,Amps,freqs]=rmlinesmovingwinc(data,movingwin,tau,params,p,plt,f0)
fits significant sine waves to data (continuous data) using overlapping windows.
Usage: [datac,datafit]=rmlinesmovingwinc(data,movingwin,tau,params... | {"url":"http://chronux.org/Documentation/chronux/spectral_analysis/continuous/rmlinesmovingwinc.html","timestamp":"2014-04-18T18:50:45Z","content_type":null,"content_length":"17014","record_id":"<urn:uuid:0ab20326-d002-4444-b499-7810660e56c3>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005... |
Euler's totient function
December 8th 2008, 05:54 PM #1
Junior Member
Oct 2008
Euler's totient function
Hi all again,
Now the problem is with Euler's Function. See:
1. Find all positive and integer $n$ such that $\varphi(n) = pq$, where p and q are prime.
2. Find all positive numbers $n$ such that $... | {"url":"http://mathhelpforum.com/number-theory/64013-euler-s-totient-function.html","timestamp":"2014-04-16T14:08:36Z","content_type":null,"content_length":"35074","record_id":"<urn:uuid:4f21f478-f24f-4a0c-81c6-b333995e438a>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00045-ip-10-1... |
Solution of equation
June 19th 2006, 07:31 AM #1
I was just wondering how could one find the solution of equations involving trigonometric and polynomial expressions.
For example, how could we solve $x - cosx=0$?
Keep Smiling
I was just wondering how could one find the solution of equations involving tr... | {"url":"http://mathhelpforum.com/trigonometry/3513-solution-equation.html","timestamp":"2014-04-20T06:35:24Z","content_type":null,"content_length":"37575","record_id":"<urn:uuid:168de401-ded9-4edb-a6f2-cb6db673276a>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00175-ip-10-147-4-33.e... |
Derivative qus.
April 29th 2006, 09:22 AM #1
Derivative qus.
Hey guys,
Finding hard to solve these derivative:
1) $q = 2e^{-t/2}cos2t$ (don't know how to deal with the index -t/2)
2) $x = e^{2t}t^3(2-t)^4$ (this seem confusing as don't know what rule to apply)
3) $e^{x+y} + sin3x = 0$ (not to sure a... | {"url":"http://mathhelpforum.com/calculus/2736-derivative-qus.html","timestamp":"2014-04-18T12:34:21Z","content_type":null,"content_length":"57088","record_id":"<urn:uuid:d019a911-b234-44c4-bdc5-faed75e1fb3e>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00315-ip-10-147-4-33.ec2.inte... |
Number theory textbook with an algebraic perspective
up vote 8 down vote favorite
Most of the number theory textbooks I've dealt with take a very classical approach to the subject. I'm looking for a textbook that's something like a first course in number theory for people who have
a decent command of modern algebra (at... | {"url":"http://mathoverflow.net/questions/8097/number-theory-textbook-with-an-algebraic-perspective?sort=oldest","timestamp":"2014-04-16T22:09:23Z","content_type":null,"content_length":"75788","record_id":"<urn:uuid:351ba343-7828-4d58-b790-e9b1f477080b>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-... |
FOM: Effective Bounds in Core Mathematics
Fred Richman richman at fau.edu
Wed Jun 28 11:00:30 EDT 2000
Harvey Friedman wrote:
> Under my suggestion, a constructivist would be defined as "someone who
> studies constructivity in mathematics, or constructive proofs". This is
> analogous to a proof theorist as "someone who... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2000-June/004154.html","timestamp":"2014-04-19T07:02:23Z","content_type":null,"content_length":"4565","record_id":"<urn:uuid:549ad6c8-0b15-481c-bfc5-24307fc81f57>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00373-ip-10-147-4-33.ec2.intern... |
Without use of any calculator
Never mind, forget what I wrote above. I was being naughty and used a calculator.
But I got it now. Here’s how.
By considering the sum of the complex roots of
, you have
But .
Note that . Hence
And . And there you have it.
Last edited by JaneFairfax (2008-07-25 23:27:41) | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=95401","timestamp":"2014-04-19T19:39:45Z","content_type":null,"content_length":"22628","record_id":"<urn:uuid:6178579a-dca5-4132-96a8-8665ed2c6a4f>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00500-ip-10-147-4-33.ec2.internal.w... |
Differentiate from first principles?
August 5th 2008, 12:51 PM #1
Differentiate from first principles?
Q1) Given that f(x) = 2x^3 + x , find ;
(a) the derivative of f(x) with respect to x, from first principles
can somebody explain the answers that are given here (pdf file) and it is question 1 on the exam ... | {"url":"http://mathhelpforum.com/calculus/45357-differentiate-first-principles.html","timestamp":"2014-04-17T12:58:34Z","content_type":null,"content_length":"33745","record_id":"<urn:uuid:f523990f-c6da-467d-8347-6fa7c06f7624>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00649-ip-10-... |
Pi Day Resources through LiveBinders
The University of Kansas has a wonderful math website designed for middle school students called Matrix Learning. In their words, Matrix Learning "provides resources to improve middle school
reading and mathematics achievement through the development of interactive educa... | {"url":"https://groups.diigo.com/group/math-links/content/tag/resources%20iwb%20mathematics","timestamp":"2014-04-17T10:01:36Z","content_type":null,"content_length":"73638","record_id":"<urn:uuid:9d0cd3c5-00ad-4ec2-b06e-c0eae76a9b25>","cc-path":"CC-MAIN-2014-15/segments/1398223206118.10/warc/CC-MAIN-20140423032006-0003... |
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Spectral asymptotics of self-adjoint fourth order boundary value problems with eigenvalue parameter dependent boundary conditions
A regular fourth order differential equation with λ-dependent boundary conditions is considered. For four distinct cases with exactly one λ-independent boundary condition, the asymptotic eig... | {"url":"http://www.boundaryvalueproblems.com/content/2012/1/106","timestamp":"2014-04-19T01:59:16Z","content_type":null,"content_length":"366257","record_id":"<urn:uuid:e753c798-de01-4912-954d-3147cb2601a3>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00648-ip-10-147-4-33.ec2.interna... |
Wayland, MA Algebra 1 Tutor
Find a Wayland, MA Algebra 1 Tutor
...I worked with Linux since Linux was started, in the early 90s. I have also programmed in bash, perl, and have written customized programs for robotics applications. I am a professional
17 Subjects: including algebra 1, physics, algebra 2, C
...My s... | {"url":"http://www.purplemath.com/Wayland_MA_algebra_1_tutors.php","timestamp":"2014-04-18T08:41:30Z","content_type":null,"content_length":"24092","record_id":"<urn:uuid:683ef3cf-499f-449b-8f2e-39b6ed4ed55e>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00034-ip-10-147-4-33.ec2.intern... |
MathGroup Archive: August 2008 [00532]
[Date Index] [Thread Index] [Author Index]
Partial differential equation with evolving boundary conditions
• To: mathgroup at smc.vnet.net
• Subject: [mg91477] Partial differential equation with evol... | {"url":"http://forums.wolfram.com/mathgroup/archive/2008/Aug/msg00532.html","timestamp":"2014-04-17T21:49:46Z","content_type":null,"content_length":"28248","record_id":"<urn:uuid:d8de481d-dc46-4e63-a507-a70e5ae2eaca>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00449-ip-10-147-4-33.... |
Name the lengths of the sides of three rectangles that have perimeters of 14 units
Name the lengths of the sides of three rectangles that have perimeters of 14 units.
This question still have no answer summary yet.
1 answers.
#1ALAINIAnswered at 2013-02-19 15:06:48
P = 2L + 2W
Some possible rectangles:
2 by 5
1 by 6
3 ... | {"url":"http://homework.boodom.com/q6168-Name_the_lengths_of_the_sides_of_three_rectangles_that_have_perimeters_of_14_units","timestamp":"2014-04-18T18:32:20Z","content_type":null,"content_length":"31858","record_id":"<urn:uuid:4601c5cb-d4e7-483c-b488-8629416a7766>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/w... |
Rythmos::IntegrationObserverBase< Scalar >
Base class for strategy objects that observe and time integration by observing the stepper object. More...
#include <Rythmos_IntegrationObserverBase.hpp>
Public Member Functions
virtual RCP
< IntegrationObserverBase
< Scalar > > cloneIntegrationObser... | {"url":"http://trilinos.sandia.gov/packages/docs/r11.0/packages/rythmos/doc/html/classRythmos_1_1IntegrationObserverBase.html","timestamp":"2014-04-19T13:24:05Z","content_type":null,"content_length":"31685","record_id":"<urn:uuid:54a523ab-a7ed-4eb3-ae52-8fc2963b88d8>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9... |
A One-in-a-Million Baseball Play
23 September 2011, 9:00 am
As the 2011 MLB season winds down, there is a slim chance of something very unusual happening: a three-way tie for the wild card playoff birth!
It seems highly unlikely that the Red Sox, Rays, and Angels will actually all finish in a dead-heat, but if they d... | {"url":"http://mrhonner.com/archives/6063","timestamp":"2014-04-20T18:45:59Z","content_type":null,"content_length":"44267","record_id":"<urn:uuid:d13fe12e-fb83-4e6b-b4db-6412e544ef33>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00435-ip-10-147-4-33.ec2.internal.warc.gz"} |
Tamburini: Neutrinos Are Majorana Particles, Relativity Is OK
TEDx Bologna
on October 15th on his theory of photon vortices. Anyway, back to neutrinos.
The recent result by Opera which hints at a possible superluminal motion of neutrinos produced by CERN and shot underground to the Gran Sasso mine in central Italy rais... | {"url":"http://www.science20.com/quantum_diaries_survivor/tamburini_neutrinos_are_majorana_particles_relativity_ok-83428","timestamp":"2014-04-17T10:00:21Z","content_type":null,"content_length":"85432","record_id":"<urn:uuid:ca15844d-b5eb-4fb3-a838-9b6130af69af>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/war... |
Roman numerals
1. Roman numerals are defined as combinations of the letters I, V, X, L, C, D and M which are used in various orders to stand for a specific number.
An example of a Roman numeral is IX which stands for the number 9.
Roman numerals for the number eight.
Roman numerals
the Roman letters used as nu... | {"url":"http://www.yourdictionary.com/roman-numerals","timestamp":"2014-04-20T04:05:56Z","content_type":null,"content_length":"44388","record_id":"<urn:uuid:785de566-9aa6-47ef-94f5-337dd2c89614>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00240-ip-10-147-4-33.ec2.internal.warc.gz"} |
Statistics Division, Linköping University
Next research seminar is on Tuesday, May 22, 3.15 pm
Topic: Bayesian inference in Structural Second-Price Auctions With Both Private-value and Common-value Bidders
Presenter: Bertil Wegmann, Statistics, Linköping University.
Abstract: Auctions with asymmetric bidders have been ... | {"url":"https://plus.google.com/106534128452481239008/posts/doe89Tiyttj","timestamp":"2014-04-16T20:58:13Z","content_type":null,"content_length":"44441","record_id":"<urn:uuid:97723319-c233-4f4b-a915-964617e262c1>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00299-ip-10-147-4-33.ec2... |
Frank Thorne
University of South Carolina
Department of Mathematics
400-G LeConte College
1523 Greene Street
Columbia, SC 29201
thorne [at] math [dot] sc [dot] edu
Math 788, The Geometry of Numbers, Spring 2014.
Math 580, Elementary Number Theory, Fall 2013.
Math 142, Calculus II, Fall 2013.
Math 788p, Topics in Algebr... | {"url":"http://www.math.sc.edu/~thornef/","timestamp":"2014-04-17T12:29:53Z","content_type":null,"content_length":"8786","record_id":"<urn:uuid:bc09dfb1-3a1e-4de4-bf76-4094ed7a208b>","cc-path":"CC-MAIN-2014-15/segments/1397609530131.27/warc/CC-MAIN-20140416005210-00396-ip-10-147-4-33.ec2.internal.warc.gz"} |
Reviews for Maths | FictionPress
Reviews for Maths
chapter 1 . 1/29/2004
Hehe. I personally hate maths, despise it with every fibre of my being, but my friend hate this poem. Math geek.
Ame Kenshin chapter 1 . 1/29/2004
Is this what happens in your math classes or something? It was a good poem.
deadly-angel-53 cha... | {"url":"https://www.fictionpress.com/r/1511172/","timestamp":"2014-04-19T01:40:56Z","content_type":null,"content_length":"19774","record_id":"<urn:uuid:ead62ec5-30a7-489c-bf60-1ce68ef52770>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00514-ip-10-147-4-33.ec2.internal.warc.gz"} |
Teaching with R: the switch
October 21, 2011
By Luis
There are several blog posts, websites (and even books) explaining the transition from using another statistical system (e.g. SAS, SPSS, Stata, etc) to relying on R. Most of that material treats the
topic from the point of view of i- an individual user and ii- a rese... | {"url":"http://www.r-bloggers.com/teaching-with-r-the-switch/","timestamp":"2014-04-21T04:34:40Z","content_type":null,"content_length":"43174","record_id":"<urn:uuid:5237df7b-a73b-45c1-9352-e56a9ffa6719>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00573-ip-10-147-4-33.ec2.internal.... |
Even Perfect numbers $n$ with $n+1$ prime
up vote 3 down vote favorite
The set $S$ of even perfect numbers $n$ such that $n+1$ is a prime number contains $$ 6,28,33550336,137438691328 $$
Latter number found by Joerg Arndt, corresponds to $M_{19}$ (mersenne)
Question: Is $S$ reduced to these $4$ numbers.
New: Joerg Arnd... | {"url":"http://mathoverflow.net/questions/62797/even-perfect-numbers-n-with-n1-prime?sort=newest","timestamp":"2014-04-18T00:43:11Z","content_type":null,"content_length":"79707","record_id":"<urn:uuid:e7398752-4e6b-469e-ba73-40d1889e559d>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-... |
Mathematics and Statistics Models
This resource received an Accept or Accept with minor revisions rating from a Panel Peer Review process
These materials were reviewed using face-to-face NSF-style review panel of geoscience and geoscience education experts to review groups of resources addressing a single theme. Paneli... | {"url":"http://serc.carleton.edu/teachearth/teaching_methods/mathstatmodels/index.html","timestamp":"2014-04-16T04:14:56Z","content_type":null,"content_length":"30365","record_id":"<urn:uuid:0873212e-79fe-4c10-a18b-1266284cf0e2>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-00076-ip-... |
How do I calculate g of solute in a given volume of solution using the percent concentration?
Common Compounds
Exam Guide
Construction Kits
Companion Notes
Just Ask Antoine!
Slide Index
Tutorial Index
Atoms & ions
Chemical change
The mole
Energy & change
The quantum theory
Electrons in atoms
The periodic table
Chemic... | {"url":"http://antoine.frostburg.edu/chem/senese/101/solutions/faq/g-solute-from-percent-concentrations.shtml","timestamp":"2014-04-17T06:43:08Z","content_type":null,"content_length":"12602","record_id":"<urn:uuid:b2b683da-8189-44af-9f47-a33496ce21f2>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-2... |
[Tutor] a question about passing values between functions
kristinn didriksson kdidriksson at yahoo.com
Fri Nov 17 19:05:02 CET 2006
I am still wrestling with the concept of values going
between functions. (just starting out)The program
below works seems to work, but here is my question.
In my understanding, return area... | {"url":"https://mail.python.org/pipermail/tutor/2006-November/051001.html","timestamp":"2014-04-20T14:30:35Z","content_type":null,"content_length":"4217","record_id":"<urn:uuid:77c184e9-47fd-4a15-a4f7-a8edad72b6e9>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00637-ip-10-147-4-33.ec... |
An Adventure in the
An Adventure in the Nth Dimension
On the mystery of a ball that fills a box, but vanishes in the vastness of higher dimensions
The Master Formula
An n-ball of radius 1 (a “unit ball”) will just fit inside an n-cube with sides of length 2. The surface of the ball kisses the center of each face of th... | {"url":"http://www.americanscientist.org/issues/pub/an-adventure-in-the-nth-dimension/3","timestamp":"2014-04-18T11:57:18Z","content_type":null,"content_length":"133228","record_id":"<urn:uuid:c3fc4277-eaa3-418e-9ea8-08534e596fd1>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00114-i... |
Mutually Exclusive Events
March 10th 2012, 08:34 AM #1
Oct 2009
Mutually Exclusive Events
Hello people, i need some help
This is the Question:
Check the truth of the following statement: if P(A)=2/3 P(B) , P(B)=3/8 P(C) and P(C) = 2/3, then the events are mutually exclusive per two. To be honest, i cant... | {"url":"http://mathhelpforum.com/advanced-statistics/195787-mutually-exclusive-events.html","timestamp":"2014-04-16T20:30:18Z","content_type":null,"content_length":"59248","record_id":"<urn:uuid:147a9ec7-57f3-4568-a245-cb11e0b266d4>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00059... |
Use the triangle inequality to show...
October 22nd 2009, 09:02 PM #1
Sep 2009
Use the triangle inequality to show...
Use the triangle inequality to show that if a and be are in R, with a not equal to b, then there exists an open interval U centered at a and V centered at b, both of radius epsilon= 1/2 abs[a-b]... | {"url":"http://mathhelpforum.com/differential-geometry/109819-use-triangle-inequality-show.html","timestamp":"2014-04-21T15:17:23Z","content_type":null,"content_length":"68007","record_id":"<urn:uuid:ee3a0785-d4fc-4d15-8dba-6757a0b8126e>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-... |
Circuit optimization
10-18-2009, 02:00 AM
Circuit optimization
In my computer science class, I learned about boolean circuit. I know how two one-digit inputs add or subtract and get one output or borrow or carry.But if you add two numbers that contain N
binary digits rather than just one, what do you do? output... | {"url":"http://www.java-forums.org/new-java/22168-circuit-optimization-print.html","timestamp":"2014-04-17T10:20:05Z","content_type":null,"content_length":"4894","record_id":"<urn:uuid:06d923a6-1522-4f29-92a2-f050cfd14dd0>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00130-ip-10-147... |
Posts by
Total # Posts: 2,084
Math Explanation
If you are asked to find 834/80=, how do you know the quotient is greater than 10 before you actually divide?
Consider the parabola y=x^2-2px+p+1. If the real number p has the property a<p<b, then the vertex of y is above the line y=−12x+13. What are a and b?
Given that a... | {"url":"http://www.jiskha.com/members/profile/posts.cgi?name=Chris&page=2","timestamp":"2014-04-16T13:50:32Z","content_type":null,"content_length":"33076","record_id":"<urn:uuid:fff5eb0d-3219-4687-88fa-6daef55fb3d7>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00248-ip-10-147-4-33.e... |
Precalculus Tutors
Lithonia, GA 30038
Karissa - Chemistry/Math/Biology Science Tutor
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Since high school, I have tutored s... | {"url":"http://www.wyzant.com/Decatur_GA_precalculus_tutors.aspx","timestamp":"2014-04-21T13:17:45Z","content_type":null,"content_length":"61305","record_id":"<urn:uuid:54c7ba8c-f5e1-443b-a993-d245bd2e4994>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00118-ip-10-147-4-33.ec2.intern... |
On the nature of the "infinite" fall toward the EH
Taking it as given that we are not talking about visually seeing but rather calculating through the metric, how do you calculate that the distant static clock falls behind the inertial clock
approaching the horizon???
Within limits, we are talking about seeing. In the ... | {"url":"http://www.physicsforums.com/showthread.php?p=4201813","timestamp":"2014-04-16T07:48:58Z","content_type":null,"content_length":"107819","record_id":"<urn:uuid:918840e6-7610-4591-9a23-9d1ddd956ba3>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00555-ip-10-147-4-33.ec2.internal... |
Ferndale, PA Math Tutor
Find a Ferndale, PA Math Tutor
...I was a tutor for four years in the university's tutoring program as well as a supervisor for my final year. I have worked with college aged students in classes ranging from Basic Algebra to
Differential Equations.I took Algebra 1 in high school. I tutored C... | {"url":"http://www.purplemath.com/ferndale_pa_math_tutors.php","timestamp":"2014-04-16T13:20:20Z","content_type":null,"content_length":"23992","record_id":"<urn:uuid:d749637b-e6ed-426b-9b15-8b664311f4e4>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00054-ip-10-147-4-33.ec2.internal.... |
Help me understand something please
Ad Astra Per Aspera
AndrewSeven wrote:
I'm using "old" algs to orient the last layer (OLL) while I learn the PLL, which is much smaller than 70.
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Spin dependent tunneling spectroscopy in 1.2 nm dielectrics
FIG. 1.
curves be... | {"url":"http://scitation.aip.org/content/aip/journal/jap/108/6/10.1063/1.3482071","timestamp":"2014-04-16T22:56:51Z","content_type":null,"content_length":"91481","record_id":"<urn:uuid:8852f9c5-1a90-4887-a7d3-04e07991486d>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00614-ip-10-147-... |
27.2 Some Special Tricks
Home | 18.013A | Chapter 27 Tools Glossary Index Up Previous Next
27.2 Some Special Tricks
There are functions that are not integrable in general but for which integrals between certain specific endpoints can be evaluated.
These are often integrals that can be rewritten, either by adding a kn... | {"url":"http://ocw.mit.edu/ans7870/18/18.013a/textbook/HTML/chapter27/section02.html","timestamp":"2014-04-19T09:29:20Z","content_type":null,"content_length":"8033","record_id":"<urn:uuid:d823ba7b-14c8-44cf-826b-f732e6892dd7>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00017-ip-10-... |
Investigating Isotopes: Using M&M's as a Model for Calculating Average Atomic Mass
In this chemistry laboratory activity, students will be given a random sample of the fictitious element "M&Mium." This sample contains at least three different "isotopes" of M&Mium (examples include
plain, peanut, almond, peanut butter, ... | {"url":"http://serc.carleton.edu/sp/mnstep/activities/20116.html","timestamp":"2014-04-19T04:21:41Z","content_type":null,"content_length":"27514","record_id":"<urn:uuid:373634a8-08ff-4ee9-9290-7af5a909fb0f>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00452-ip-10-147-4-33.ec2.interna... |
algorithm or suggestion on a problem
Have the following problem (simplified)
In a X by Y 'town', I have to place some 'houses'. The 'houses' can be 1x1, 2x2 and 3x3. There is also a minimum number of 'houses' to be placed from each size (let's say 2 3x3, 12 2x2 and 11 1x1).
I have to find out the maximum number of 'hou... | {"url":"http://arstechnica.com/civis/viewtopic.php?p=22758539","timestamp":"2014-04-16T13:59:55Z","content_type":null,"content_length":"115361","record_id":"<urn:uuid:eb6fe57c-c0e4-4013-9ff1-2ccb85dfa6e1>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00290-ip-10-147-4-33.ec2.internal... |
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How to Graph Linear Equations With Two Variables | The Classroom | Synonym
A linear equation can be written in the form ax + by = c, where x and y are variables and a, b, and c are real numbers. Although many modern graphing calculators can graph linear equations (in any
form) with minimal work on your part, graphing l... | {"url":"http://classroom.synonym.com/graph-linear-equations-two-variables-2735.html","timestamp":"2014-04-21T02:17:45Z","content_type":null,"content_length":"31388","record_id":"<urn:uuid:7e38fa92-4f3e-45d1-9b1b-8a6b2295d0dc>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00585-ip-10-... |
El Monte Geometry Tutor
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FOM: Long sequence and the Friedman-Shoenfield debate on Incompleteness
Joe Shipman shipman at savera.com
Mon Sep 21 15:18:09 EDT 1998
Harvey points out that n(3), defined as
"the longest length of a finite sequence from 3 letters in which no
block x_i,...,x_2i
is a subsequence of any other block x_j,...,x_2j.",
is a v... | {"url":"http://www.cs.nyu.edu/pipermail/fom/1998-September/002198.html","timestamp":"2014-04-20T08:16:30Z","content_type":null,"content_length":"5524","record_id":"<urn:uuid:b05c6b54-446d-4493-94f1-de43d0af5a95>","cc-path":"CC-MAIN-2014-15/segments/1397609538110.1/warc/CC-MAIN-20140416005218-00401-ip-10-147-4-33.ec2.in... |
Fractals are geometrically self-similar shapes that are often fascinating to behold, such as the one below. They are created by iterating a mathematical function or geometric transformation, but
because of certain qualities they can sometimes be more useful for describing natural phenomena such as leaves and coastl... | {"url":"http://www.mbari.org/staff/conn/botany/reds/microcladia/fractal.htm","timestamp":"2014-04-18T15:42:25Z","content_type":null,"content_length":"16785","record_id":"<urn:uuid:8a8b12cb-f4cd-42b6-a469-150b90bc0ed6>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00124-ip-10-147-4-33.... |
[SciPy-User] memory error - numpy mean - netcdf4
srean srean.list@gmail....
Fri Aug 26 19:54:41 CDT 2011
On Fri, Aug 26, 2011 at 2:33 PM, Phil Morefield <philmorefield@yahoo.com>wrote:
> The formula you have written looks like you're collapsing everything into a
> single value. I think he's trying to average a bunch of... | {"url":"http://mail.scipy.org/pipermail/scipy-user/2011-August/030334.html","timestamp":"2014-04-21T07:12:08Z","content_type":null,"content_length":"3847","record_id":"<urn:uuid:27ca62b5-8b5c-4f8e-8c56-b0591607808f>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00637-ip-10-147-4-33.e... |
Elasticity is the property of materials to return to their original size and shape after being deformed (that is, after the deforming force has been released). Since it is really a property of
materials, a more complete discussion will have to wait until later. For now we'll stick to a very simple elastic system (the c... | {"url":"http://physics.info/springs/","timestamp":"2014-04-20T03:10:53Z","content_type":null,"content_length":"33038","record_id":"<urn:uuid:57b858ef-b0a1-43a6-ba66-e2cd7f18a6f2>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00594-ip-10-147-4-33.ec2.internal.warc.gz"} |
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Homework Help
Recent Homework Questions About Engineering
Post a New Question | Current Questions
1. Question : A decrease in food miles will most likely increase the environmental impact of any given food. Student Answer: True CORRECT False Instructor Explanation: The answer can be found in
Section 3.5 of your text.... | {"url":"http://www.jiskha.com/science/engineering/?page=2","timestamp":"2014-04-21T05:22:23Z","content_type":null,"content_length":"30814","record_id":"<urn:uuid:dc677f55-6907-4de0-8e1f-aaa91efa3004>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00440-ip-10-147-4-33.ec2.internal.warc... |
Chemistry: Mixture and Mass
I'm not sure how you can do it using percent compositions, at least I can't see it.
How many moles of Na do you have? Since the elements in each compound are 1 to 1, the moles of Na and Br added together equal the total number of moles of Na in the mixture.
What's the mass of the Br and Cl t... | {"url":"http://www.physicsforums.com/showthread.php?t=334347","timestamp":"2014-04-19T19:47:04Z","content_type":null,"content_length":"36744","record_id":"<urn:uuid:0e0d0513-4ec6-47f0-a1be-d4d31329f083>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00086-ip-10-147-4-33.ec2.internal.wa... |
Ars Mathematica
More Lévy
According to Wikipedia, the analogue of a random walk for a Lévy distribution is called a Lévy flight. I presume it’s called a “flight” because paths are no longer guaranteed to be continuous, but
can have sudden jumps.
I also spotted a survey paper, More “Normal” than Normal: Scaling Distr... | {"url":"http://www.arsmathematica.net/2005/09/24/more-levy/","timestamp":"2014-04-19T01:48:05Z","content_type":null,"content_length":"9152","record_id":"<urn:uuid:acaac4d0-c128-4dd1-8305-d018b9f78d03>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00416-ip-10-147-4-33.ec2.internal.warc... |
Formal Analysis, September 11 2001
Note added in 2009: These analyses and descriptions were written in 2001, and we have in the meantime learned more. On the one hand, it is clear that the formal prediction for the deviation of means
gives only part of the picture -- the deviation that begins during this period apparen... | {"url":"http://noosphere.princeton.edu/911formal.html","timestamp":"2014-04-16T22:29:30Z","content_type":null,"content_length":"10076","record_id":"<urn:uuid:cc29db78-53bc-4145-a1fd-d7832b66dc68>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00138-ip-10-147-4-33.ec2.internal.warc.gz"... |
Algebra Archive | November 23, 2010 | Chegg.com
Algebra Archive: Questions from November 23, 2010
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... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/algebra-archive-2010-november-23","timestamp":"2014-04-19T02:49:55Z","content_type":null,"content_length":"38954","record_id":"<urn:uuid:4d94c31b-2d96-4815-b335-b6a11dc4fc0e>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215... |
Proof dealing with a closed set
February 11th 2011, 05:33 PM #1
Nov 2009
Show that the set E' of points of accumulation of any set E must be closed.
Not too sure what to do with this; I understand why it is but really don't have a clue how to show it. Help please?
What is the definition? What happens if... | {"url":"http://mathhelpforum.com/differential-geometry/170946-proof-dealing-closed-set.html","timestamp":"2014-04-19T22:43:13Z","content_type":null,"content_length":"84772","record_id":"<urn:uuid:5083c752-4bb3-4fc9-8130-e36b3444fa4f>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-0044... |
ENGR 2001 - Engineering Computing Applctns, 1 Credit
Prerequisite(s): MATH 1084 with D or better
Level: Lower
An introductory, software-oriented, engineering computing course using an interactive, high-performance, scientific and engineering software package which integrates computation and visualization in
a programmi... | {"url":"http://www.alfredstate.edu/catalog/11259.htm","timestamp":"2014-04-17T16:51:58Z","content_type":null,"content_length":"2019","record_id":"<urn:uuid:c519a21f-1e0c-4545-b2a4-255f43e05747>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00239-ip-10-147-4-33.ec2.internal.warc.gz"} |
Solving ax + b is less than cx + d
Date: 12/11/2001 at 23:54:35
From: Sara
Subject: Solving ax + b < cx + d
Here is a problem:
6-9x is less than or equal to 5x-1
Please teach me the process in English, as if you were explaining to a
Date: 12/12/2001 at 08:50:36
From: Doctor Rick
Subject: Re: Solving ax + b < cx + d
... | {"url":"http://mathforum.org/library/drmath/view/57297.html","timestamp":"2014-04-19T12:50:36Z","content_type":null,"content_length":"7853","record_id":"<urn:uuid:719ff6b2-f80f-44e2-ad1f-de1fd9e80999>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00081-ip-10-147-4-33.ec2.internal.war... |
[Rd] Design choice of plot.design for formulas
Thaler,Thorn,LAUSANNE,Applied Mathematics Thorn.Thaler at rdls.nestle.com
Mon Mar 19 15:44:37 CET 2012
Dear all,
Today I figured out that the formula interface of plot.design is kind of
counter intuitive. Suppose the following setting
ddf <- expand.grid(a=factor(1:3), b=fa... | {"url":"https://stat.ethz.ch/pipermail/r-devel/2012-March/063584.html","timestamp":"2014-04-17T21:33:03Z","content_type":null,"content_length":"4451","record_id":"<urn:uuid:16a3f159-2e3f-45d7-8201-5ac4dde40c33>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00284-ip-10-147-4-33.ec2.in... |
word problem division in to zero [Archive] - Free Math Help Forum
View Full Version : word problem division in to zero
why is division into zero or 0/x is equal to zero? Because any number you divide into zero will always give you zero.
Powered by vBulletin® Version 4.2.2 Copyright © 2014 vBulletin Solutions, Inc. All... | {"url":"http://www.freemathhelp.com/forum/archive/index.php/t-44692.html","timestamp":"2014-04-18T18:48:02Z","content_type":null,"content_length":"2887","record_id":"<urn:uuid:f8c4d722-b3b6-4fd2-b563-5c27b62e6668>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00520-ip-10-147-4-33.ec2.... |
Fuzzy pizza
Fuzziness is usually the last thing you would want to associate with a pizza, as it conjures up images of quietly decaying remnants of last week's dinner. However, researchers from University
College, Dublin are relying on fuzziness to help deliver you the perfect pizza.
As pizza has become more popular, pr... | {"url":"http://plus.maths.org/content/fuzzy-pizza","timestamp":"2014-04-18T05:50:47Z","content_type":null,"content_length":"24907","record_id":"<urn:uuid:99cd5d94-6b88-4a5d-9d3a-ecf37b9a6650>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00118-ip-10-147-4-33.ec2.internal.warc.gz"} |
Math Forum: Teacher2Teacher - Q&A #101
View entire discussion
From: Sarah (for Teacher2Teacher Service)
Date: Jul 19, 1998 at 12:01:25
Subject: Re: Graphing Calculator Courses
Hi Veronica,
Here are some more sites on the Web to look at, found by searching the Math
Forum archives using the form at
using the keywords g... | {"url":"http://mathforum.org/t2t/message.taco?thread=101&message=5","timestamp":"2014-04-17T06:51:02Z","content_type":null,"content_length":"8027","record_id":"<urn:uuid:b824f5c4-c2ec-4b27-a807-43aef1cfa432>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005206-00437-ip-10-147-4-33.ec2.inter... |
Re: Conversion load to mass
Hi dear
why there is a difference between the modal mass and dynamic mass?
And one more problem
the Base shear coefficient that the robot 2011 is calculating is too big , about 2.5 in dynamic mass or sometimes 0.55 in modal mass but the real value is about 0.35
I have used ubc 97 for applyin... | {"url":"http://forums.autodesk.com/t5/Robot-Structural-Analysis/Conversion-load-to-mass/m-p/3051880","timestamp":"2014-04-20T11:22:11Z","content_type":null,"content_length":"231748","record_id":"<urn:uuid:c8bb3a36-9e93-473c-820a-157ec7165b22>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-2014041600... |
Balloon Payment Calculator
The Balloon Payment Calculator is a very fast, easy-to-use and flexible loan calculator which also handles balloon payments. The Balloon Payment Calculator will calculate what the regular payment
amount needs to be to result in a given balloon for a particular payment number. It will also cal... | {"url":"http://www.pine-grove.com/loan-calculators/balloon-payment.htm","timestamp":"2014-04-21T12:10:55Z","content_type":null,"content_length":"21975","record_id":"<urn:uuid:37defe10-c5c2-4c66-92b8-effad35bda4e>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00238-ip-10-147-4-33.ec2.... |
Comparing Singapore Math to Saxon Math
The math wars of the 1990′s have quieted down and are almost a thing of the past.
With the release of their 2006 guidelines, the National Council for Teachers of Mathematics (NCTM) effectively ended 17 years of promoting ‘reform math’ programs and acknowledged the need for schools... | {"url":"http://www.learningthings.com/blog/index.php/comparing-singapore-math-saxon-math","timestamp":"2014-04-17T03:50:09Z","content_type":null,"content_length":"55884","record_id":"<urn:uuid:b318c7fa-933d-45d3-92c5-152992957135>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-20140416005206-00134-i... |