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Pressure Drops In Pipes: Part 2, Series and Parallel
Engineering, Technology, and DIY
Pressure Drops In Pipes: Part 2, Series and Parallel
Posted by on January 13, 2010
This is Part 2 in a series on pressure drops in pipes. Part 1 covered the basic concepts and equations (1-4b). It is recommended to read that before pr... | {"url":"http://napkindiagrams.wordpress.com/2010/01/13/pressure-drops-in-pipes-part-2-series-and-parallel/","timestamp":"2014-04-17T05:51:07Z","content_type":null,"content_length":"55887","record_id":"<urn:uuid:083250c3-767d-467d-a25b-e0fdf2f22cc0>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-2014... |
Stanford, CA Trigonometry Tutor
Find a Stanford, CA Trigonometry Tutor
...In addition, I've prepared many students for the SAT 1, SAT 2, and ACT standardized tests including some who achieved perfect scores. If my experience as an educator has taught me anything, it
has taught me that every student is different: di... | {"url":"http://www.purplemath.com/stanford_ca_trigonometry_tutors.php","timestamp":"2014-04-18T08:31:22Z","content_type":null,"content_length":"24290","record_id":"<urn:uuid:662bc75f-1d45-4889-a9f0-0ab55f5629a5>","cc-path":"CC-MAIN-2014-15/segments/1397609533121.28/warc/CC-MAIN-20140416005213-00412-ip-10-147-4-33.ec2.i... |
AXELROD R M (1986) An Evolutionary Approach to Norms. American Political Science Review, 80 (4). pp. 1095-1111.
BOOCH G, Rumbaugh J, and Jacobson I (1999) The Unified Modeling Language User Guide. Addison-Wesley, Boston, MA.
CHAN T F, Golub G H, and LeVeque R J (1983) Algorithms for Computing the Sample Varianc... | {"url":"http://jasss.soc.surrey.ac.uk/9/4/4.html","timestamp":"2014-04-16T18:56:45Z","content_type":null,"content_length":"96667","record_id":"<urn:uuid:c829d28a-05d4-4fd4-b4be-ba83c8481565>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00161-ip-10-147-4-33.ec2.internal.warc.gz"} |
Roller coasters
Grades: 4 - 8
Using the Giant Wall, students build a roller coaster and explore the concepts of gravity and energy. After a brief discussion with a facilitator about the forces involved to make roller coasters
work students experiment with changing variables to investigate the effect of mass on speed, d... | {"url":"http://www.californiasciencecenter.org/Education/GroupPrograms/BigLab/Rollercoasters/Rollercoasters.php","timestamp":"2014-04-17T06:40:20Z","content_type":null,"content_length":"37637","record_id":"<urn:uuid:46ba3112-a601-4db5-9065-1e6b5be6e889>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN... |
Alum Success Mathematics
Katey has been accepted at Ohio Franklin F. and Wanda L. Otis Award
State University where she will Gerald M. Samson Department
pursue h... | {"url":"https://www.lssu.edu/programsofstudy/mathematics/scholarships.php","timestamp":"2014-04-16T07:16:31Z","content_type":null,"content_length":"18077","record_id":"<urn:uuid:a5879398-b38b-4a9c-afa9-39db0847c151>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00095-ip-10-147-4-33.e... |
Find the Power and Energy of a Capacitor
Capacitors store energy for later use. The instantaneous power of a capacitor is the product of its instantaneous voltage and instantaneous current. To find the instantaneous power of the capacitor,
you need the following power definition, which applies to any device:
The subscr... | {"url":"http://www.dummies.com/how-to/content/find-the-power-and-energy-of-a-capacitor.navId-810963.html","timestamp":"2014-04-17T02:13:44Z","content_type":null,"content_length":"58314","record_id":"<urn:uuid:fff36e5a-bfac-42ec-8850-a4d38ad1b1c1>","cc-path":"CC-MAIN-2014-15/segments/1397609526102.3/warc/CC-MAIN-2014041... |
Archives of the Caml mailing list > Message from Jacques Le Normand
Date: -- (:)
From: Jacques Le Normand <rathereasy@g...>
Subject: GADT constructor syntax
Dear caml-list,
I would like to start a constructive discussion on the syntax of GADT
constructors of the ocaml gadt branch, which can be found at:
There ... | {"url":"http://caml.inria.fr/pub/ml-archives/caml-list/2010/12/3d88b8b7376dd1eeead3b4550c43b387.en.html","timestamp":"2014-04-20T00:53:20Z","content_type":null,"content_length":"10305","record_id":"<urn:uuid:fc703194-1013-4133-b8e0-d99af5a02b61>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416... |
Most Stringent Test for Location Parameter of a Random Number from Cauchy Density
Atiq-ur-Rehman, Atiq-ur-Rehman and Zaman, Asad (2008): Most Stringent Test for Location Parameter of a Random Number from Cauchy Density.
Download (316Kb) | Preview
We study the test for location parameter of a random number from Cauchy... | {"url":"http://mpra.ub.uni-muenchen.de/13492/","timestamp":"2014-04-16T13:03:15Z","content_type":null,"content_length":"20787","record_id":"<urn:uuid:79800e63-95fd-4260-aa9e-84a7cd0e656e>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00006-ip-10-147-4-33.ec2.internal.warc.gz"} |
How can I compute E[max Xi \ X1<X2<X3]?
March 30th 2009, 06:52 AM #1
Mar 2009
How can I compute E[max Xi \ X1<X2<X3]?
If Xi , i = 1, 2, 3, are independent exponential random variables with rate lambda_i, i=1, 2, 3 find E[max Xi \ X1<X2<X3] ,
How can I proof that the answer is (1/lambda1+lambda2+lambda3)+(1/... | {"url":"http://mathhelpforum.com/advanced-statistics/81460-how-can-i-compute-e-max-xi-x1-x2-x3.html","timestamp":"2014-04-18T03:04:25Z","content_type":null,"content_length":"36774","record_id":"<urn:uuid:b73803a5-13af-44f0-873f-cda34a73b4dd>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005... |
Probability, random variables, and stochastic processes
Results 1 - 10 of 620
- NEURAL COMPUTATION , 1995
"... ..."
, 1998
"... tomasi @ cs.stanford.edu Bilateral filtering smooths images while preserving edges, by means of a nonlinear combination of nearby image values. The method is noniterative, local, and sim-ple. ... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=32212","timestamp":"2014-04-20T07:34:24Z","content_type":null,"content_length":"36063","record_id":"<urn:uuid:0c49f200-c7e7-4993-989c-68ee264a3961>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00213-ip-10-147-4-33.ec2.internal.warc... |
OpenCL Binary | Effective Memory Usage
06-10-2012, 10:10 PM #1
Junior Member
Join Date
Jun 2012
OpenCL Binary | Effective Memory Usage
Hi Community!
Right know I try to handle a problem, and my google-Research did not work out. I do some calculations of Voronoi-Cells (nearest neighbor-problem). Therefore, I... | {"url":"http://www.khronos.org/message_boards/showthread.php/8365-OpenCL-Binary-Effective-Memory-Usage?s=48c0c9dc61067f073dc237752265da64&p=27391","timestamp":"2014-04-18T05:52:25Z","content_type":null,"content_length":"44953","record_id":"<urn:uuid:ef3d9f22-f087-4c1f-9cb9-9ba1cda6f347>","cc-path":"CC-MAIN-2014-15/segm... |
East Rutherford SAT Math Tutor
Find an East Rutherford SAT Math Tutor
...I can help you learn the basics of Word or more advanced tools like MailMerge. I have prepared and given hundreds of presentations with PowerPoint. I can help you understand the basics or give
pizzazz to your presentation.
36 Subjects: inclu... | {"url":"http://www.purplemath.com/east_rutherford_sat_math_tutors.php","timestamp":"2014-04-18T06:18:59Z","content_type":null,"content_length":"23962","record_id":"<urn:uuid:3f413fce-92bb-4518-845d-817a2640af91>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00495-ip-10-147-4-33.ec2.in... |
Math 102
Math 102 CITYSCAPE: Analyzing Urban Data
The target audience is those students whose weakest proficiency areas are numerical and statistical reasoning. Students apply basic concepts of probability and statistics to actual data. Probability
concepts include theoretical and empirical definitions, as well as the ... | {"url":"http://www.trincoll.edu/depts/mcenter/mcMath102.htm","timestamp":"2014-04-18T21:49:02Z","content_type":null,"content_length":"3047","record_id":"<urn:uuid:574420cd-5209-4d13-b894-7d0d802ff63c>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00394-ip-10-147-4-33.ec2.internal.warc... |
how to solve smaz time machine
Just to say how I learned, I had truble when I first started to learn how to solve the 3x3 cube with alg. and understanding U,Ui,R,Ri,ex,ex,ex,. I had to put it in a way that it was easyer for me to
understand. Like U=T arrow to the left, Ui=T arrow to the right, R=R with a arrow up, Ri=R... | {"url":"http://www.twistypuzzles.com/forum/viewtopic.php?p=283238","timestamp":"2014-04-16T22:35:27Z","content_type":null,"content_length":"55253","record_id":"<urn:uuid:ef683642-5e5f-4766-b1aa-5709004728a2>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00345-ip-10-147-4-33.ec2.intern... |
Acceleration of acceleration?
Hi everyone.
I was wondering about this.
If the position of an object changes in time, the object has velocity.
If the velocity of an object changes in time, the object is accelerating (decelerating)
If the acceleration of an object changes in time, could we hypothetically have acceleratio... | {"url":"http://www.physicsforums.com/showthread.php?p=4223742","timestamp":"2014-04-20T03:25:03Z","content_type":null,"content_length":"29665","record_id":"<urn:uuid:55635433-56bb-47af-8e8c-f7794f029450>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00630-ip-10-147-4-33.ec2.internal.w... |
Got Homework?
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Here's the question you clicked on:
The standard baseball measures 2 11/16" in diameter. What is i... | {"url":"http://openstudy.com/updates/506c5f60e4b060a360fe7464","timestamp":"2014-04-19T07:11:22Z","content_type":null,"content_length":"49155","record_id":"<urn:uuid:99b43d69-90a1-4f87-a8d8-a619f9d2e869>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00035-ip-10-147-4-33.ec2.internal.... |
Union of Two countably infinite sets
March 22nd 2011, 06:15 PM #1
Mar 2011
Union of Two countably infinite sets
If A and B are both countably infinite then prove that $A\bigcup B$ is countably inifinite.
I was working on this problem with a friend and we know that this means that there is a bijection of bot... | {"url":"http://mathhelpforum.com/discrete-math/175438-union-two-countably-infinite-sets.html","timestamp":"2014-04-18T19:09:15Z","content_type":null,"content_length":"34958","record_id":"<urn:uuid:787fd2f8-d215-46ca-803e-0d0bb4467057>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-0004... |
University of California
Math honors-level courses
Course guidance
Honors-level courses in mathematics must be at the mathematical analysis (precalculus) level or above. These courses should have three years of college-preparatory mathematics as prerequisite work.
Mathematical analysis that includes the development of ... | {"url":"http://www.ucop.edu/agguide/a-g-requirements/c-mathematics/honors/index.html","timestamp":"2014-04-17T19:04:14Z","content_type":null,"content_length":"9061","record_id":"<urn:uuid:985559ef-d996-4fe8-b80a-9292b062d4c1>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00086-ip-10-... |
Math Forum Discussions
Math Forum
Ask Dr. Math
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Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Mathematica vs. Maple
Replies: 1 Last Post: Jun 14, 1996 2:43 AM
Re: Mathematica vs. Maple
Posted: Ju... | {"url":"http://mathforum.org/kb/message.jspa?messageID=1512978","timestamp":"2014-04-16T13:44:58Z","content_type":null,"content_length":"15318","record_id":"<urn:uuid:790d4196-7231-4474-9c37-1180dd8c0113>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00059-ip-10-147-4-33.ec2.internal.... |
Why does finitely presented imply quasi-separated ?
up vote 5 down vote favorite
By the EGA definition, a morphism of schemes of finite presentation is required to be quasi-separated. As far as I can see, removing this requirement does not prevent from proving the basic
properties such as stability of the notion under ... | {"url":"http://mathoverflow.net/questions/36737/why-does-finitely-presented-imply-quasi-separated?answertab=oldest","timestamp":"2014-04-16T16:18:23Z","content_type":null,"content_length":"54612","record_id":"<urn:uuid:42df6462-27b9-4048-b511-4d154ace07cf>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-M... |
surface of revolution
July 23rd 2008, 10:40 AM #1
Jul 2008
surface of revolution
Given the function f(x) = e^-x, with x greater than or equal to 0. This finite area of an infinite region should produce a finite volume of revolution, but then an infinite surface of revolution,
a la Toricelli's Trumpet. Is th... | {"url":"http://mathhelpforum.com/calculus/44262-surface-revolution.html","timestamp":"2014-04-19T10:33:09Z","content_type":null,"content_length":"38722","record_id":"<urn:uuid:85173ad3-93db-4874-adf9-716d6987a1e1>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00433-ip-10-147-4-33.ec2... |
Statistics Jokes and Humor
Gallery of Statistics Jokes
(A very extensive collection.)
Gary Ramseyer
A researcher asked an experienced statistician what procedure should be used to obtain the correlation between two normally distributed variables that were artificially dichotomized. Why did the
researcher sudden... | {"url":"http://davidmlane.com/hyperstat/humor.html","timestamp":"2014-04-20T15:51:12Z","content_type":null,"content_length":"5978","record_id":"<urn:uuid:b0ce58c9-b3ab-4274-afa4-aabc7cec81c9>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00163-ip-10-147-4-33.ec2.internal.warc.gz"} |
Got Homework?
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Here's the question you clicked on:
More integral help. What would be the anti derivative?
• one... | {"url":"http://openstudy.com/updates/50494341e4b063f50cff495b","timestamp":"2014-04-16T13:43:39Z","content_type":null,"content_length":"65457","record_id":"<urn:uuid:13f712e8-14b6-47b0-8c94-9b0c3317ca17>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00629-ip-10-147-4-33.ec2.internal.... |
On probability, statistics and journalismOn probability, statistics and journalism
On probability, statistics and journalism
This should pose a good teaser for any working reporter and news editor who uses percentages of chance on a day-to-day basis.
If a woman is given a positive screening result after a mammogram, wh... | {"url":"http://psmithjournalist.com/2011/09/on-probability-statistics-and-journalism/","timestamp":"2014-04-20T10:47:47Z","content_type":null,"content_length":"22766","record_id":"<urn:uuid:5730494e-0aa8-44f6-882f-8896db92858f>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00471-ip-1... |
Vector representation VS Angle representation
Im talking about skinning models. As in rigging them for animation.
(I reckon the whole industry is stupid, you should call it “rigging” not “skinning”)
When your working with vectors, you get advantages and disadvantages.
When your working with angles, you get advantages a... | {"url":"http://devmaster.net/posts/18603/vector-representation-vs-angle-representation","timestamp":"2014-04-16T04:18:00Z","content_type":null,"content_length":"25842","record_id":"<urn:uuid:d93c5fcb-cccb-4d00-b685-353771e3d103>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00086-ip-... |
Composition of transformations
• Order matters! ( rotation * translation ? translation * rotation)
• Composition of transformations = matrix multiplication:if T is a rotation and S is a scaling, then applying scaling first and rotation second is the same as applying transformation given by the
matrix TS (note t... | {"url":"http://www.mrl.nyu.edu/~dzorin/rendering/lectures/lecture3/tsld023.htm","timestamp":"2014-04-19T17:13:37Z","content_type":null,"content_length":"1248","record_id":"<urn:uuid:c7fb5423-bf46-47d5-9679-d3153c778baa>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00323-ip-10-147-4-... |
Generating a CRS-based
Next: Parallelism Up: Sparse Incomplete Factorizations Previous: CRS-based Factorization Transpose
Incomplete factorizations with several levels of fill allowed are more accurate than the [80]).
As a preliminary, we need an algorithm for adding two vectors lx be the number of nonzero compo... | {"url":"http://netlib.org/linalg/html_templates/node104.html","timestamp":"2014-04-20T13:18:15Z","content_type":null,"content_length":"9321","record_id":"<urn:uuid:8f0f7dd7-93c7-45a0-b8ff-caf4e24c66db>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00396-ip-10-147-4-33.ec2.internal.wa... |
Annotate this POD
Math::GSL::Linalg - Functions for solving linear systems
use Math::GSL::Linalg qw/:all/;
Here is a list of all the functions included in this module :
gsl_linalg_householder_hm($tau, $v, $A) - This function applies the Householder matrix P defined by the scalar $tau and the vector $v to the left-h... | {"url":"http://search.cpan.org/~leto/Math-GSL-0.28/lib/Math/GSL/Linalg.pm","timestamp":"2014-04-16T21:54:51Z","content_type":null,"content_length":"37884","record_id":"<urn:uuid:1e3de1f9-901c-4142-af5f-b37c986910ba>","cc-path":"CC-MAIN-2014-15/segments/1397609525991.2/warc/CC-MAIN-20140416005205-00492-ip-10-147-4-33.ec... |
On Einstein's explanation of the invariance of c
This may sound unbelievable, but I think Motor Daddy's universe is actually more complicated than relativity! He's got light doing all sorts of odd things because of the "absolute velocities"
of different reference frames. I mean, the earth is a ROTATING ... | {"url":"http://www.sciforums.com/showthread.php?105408-On-Einstein-s-explanation-of-the-invariance-of-c/page47","timestamp":"2014-04-17T09:35:06Z","content_type":null,"content_length":"129549","record_id":"<urn:uuid:1f8439ab-0770-4186-9130-f38073d9370f>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN... |
slenderness ratio and axial load of steel question..pls help
The only thing I am wondering is in the dimensions of the column. You give 152x152x37. Is the 37 a wall thickness since you give the height as 6.5m? I am assuming so.
For some reason I read that problem about 20 times and it didn't click. Now it is. Perhaps I... | {"url":"http://www.physicsforums.com/showthread.php?t=125208","timestamp":"2014-04-18T00:34:05Z","content_type":null,"content_length":"47206","record_id":"<urn:uuid:873882c8-a19a-4cf1-9499-54c9603a5e94>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00090-ip-10-147-4-33.ec2.internal.w... |
vectors problems
March 6th 2007, 06:51 PM #1
May 2006
vectors problems
I dont quite get this problem. I know what the component vector form is but I dont know how this problem is done.
Do you have to find the magnitude within it like Sqrt of x^2+y^2?
Yeah.. Im kind of lost on this one. Thanks for the he... | {"url":"http://mathhelpforum.com/pre-calculus/12253-vectors-problems.html","timestamp":"2014-04-19T21:46:11Z","content_type":null,"content_length":"33684","record_id":"<urn:uuid:c04c2857-4f6c-4bcf-83a8-16172ede3158>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00124-ip-10-147-4-33.e... |
Geometric Speed-Up Techniques for Finding Shortest Paths in Large Sparse Graphs
Results 1 - 10 of 41
- IN WORKSHOP ON ALGORITHM ENGINEERING & EXPERIMENTS , 2006
"... We study the point-to-point shortest path problem in a setting where preprocessing is allowed. We improve the reach-based approach of Gutman [16] in sever... | {"url":"http://citeseerx.ist.psu.edu/showciting?doi=10.1.1.13.7034","timestamp":"2014-04-19T21:18:56Z","content_type":null,"content_length":"39582","record_id":"<urn:uuid:1399b571-4f0e-4704-b166-18da780bfa9d>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00556-ip-10-147-4-33.ec2.inte... |
Object-object intersection comparison for photorealistic graphics rendering
3.4Triangle-Triangle Intersection
As detailed in the previous chapter, triangle-triangle intersections are used to make sure no clipping occurs in a 3d model. We introduced the separating axis test and robust interval overlap
algorithms and hav... | {"url":"http://lib.znate.ru/docs/index-40240.html?page=6","timestamp":"2014-04-21T14:39:35Z","content_type":null,"content_length":"26996","record_id":"<urn:uuid:8c4fe116-e911-45c0-9018-9b37b929e800>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00275-ip-10-147-4-33.ec2.internal.warc.... |
Carrollton, GA Algebra 2 Tutor
Find a Carrollton, GA Algebra 2 Tutor
I have been a teacher for seven years and currently teach 9th grade Coordinate Algebra and 10th grade Analytic Geometry. I am up to date with all of the requirements in preparation for the EOCT.
I am currently finishing up my masters degree from K... | {"url":"http://www.purplemath.com/carrollton_ga_algebra_2_tutors.php","timestamp":"2014-04-20T06:51:36Z","content_type":null,"content_length":"24145","record_id":"<urn:uuid:4e3e20b6-243d-47b8-91d7-9bcb53a8ce38>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00019-ip-10-147-4-33.ec2.int... |
the first resource for mathematics
The Mylar balloon: new viewpoints and generalizations.
(English) Zbl 1123.53006
Mladenov, Ivaïlo (ed.) et al., Proceedings of the 8th international conference on geometry, integrability and quantization, Sts. Constantine and Elena, Bulgaria, June 9–14, 2006. Sofia: Bulgarian
Academy o... | {"url":"http://zbmath.org/?q=an:1123.53006&format=complete","timestamp":"2014-04-19T07:10:34Z","content_type":null,"content_length":"23873","record_id":"<urn:uuid:1a8c0286-7b48-4528-9431-d82081da62e2>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00550-ip-10-147-4-33.ec2.internal.warc... |
The dark side of bioinformatics data mining
I spend much of my day analysing yeast high throughput data, recently produced in the laboratory. On one hand I’m very lucky to have access to fresh data at many cellular levels. On the other hand,
with all this information, I’m easily swept away by the amount of variables I ... | {"url":"http://www.bioinformaticszen.com/post/the-dark-side-of-bioinformatics-data-mining/","timestamp":"2014-04-16T07:13:23Z","content_type":null,"content_length":"9183","record_id":"<urn:uuid:91117221-0a54-4427-9d61-d13d7d35e494>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00194-i... |
Math Help
February 18th 2009, 04:45 PM #1
Feb 2009
please helppppppppp!
1. if dy/dx=(x^3 + 1)/(y) when x=1, then, when x=2, y=
a) radical 27/2 b) radical 27/8 c)+-radical 27/8 d)+-3/2 e)=+-radical 27/2
2. population p grows according to the equation dp/dt=kp, where k is a constant and t is measured in ... | {"url":"http://mathhelpforum.com/calculus/74362-please-helppppppppp.html","timestamp":"2014-04-20T04:23:28Z","content_type":null,"content_length":"28244","record_id":"<urn:uuid:614ef226-c419-49e7-b20a-59adffeacb9d>","cc-path":"CC-MAIN-2014-15/segments/1397609537864.21/warc/CC-MAIN-20140416005217-00448-ip-10-147-4-33.ec... |
[FOM] First-order arithmetical truth
A.P. Hazen a.hazen at philosophy.unimelb.edu.au
Sat Oct 14 02:46:41 EDT 2006
Stephen Pollard was perhaps too brief in writing:
> > The first-order number theoretic truths are exactly the first-order
>> sentences in the language of arithmetic that follow from the axioms
>> of Pe... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2006-October/010954.html","timestamp":"2014-04-18T10:38:46Z","content_type":null,"content_length":"4963","record_id":"<urn:uuid:6f8e4067-50fb-4353-87a8-e4cab25ff386>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00010-ip-10-147-4-33.ec2.int... |
induction by absurd
January 19th 2006, 09:16 AM #1
Junior Member
Jan 2006
induction by absurd
here is a multipurpose pedagogic <<riddle>>
Proove That (P(1) and( P(n)=>P(n+1) for n<=1))=>(P(n) for all n natural integer)
Using this axiomatic property of N : Every subset of N admit a smallest element. (an ... | {"url":"http://mathhelpforum.com/math-challenge-problems/1668-induction-absurd.html","timestamp":"2014-04-16T17:40:09Z","content_type":null,"content_length":"37124","record_id":"<urn:uuid:77e685b8-ff57-43da-b923-4f4a6d849f3f>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00331-ip-10-... |
A combinations with repetition
(a)Determine the number of integer solutions of
where a1,a2,a3>0, 0<a4<=25
(b)Mary has two dozen each of n different colored beads.
If she can select 20 beads(with repetition of colors allowed)
in 230,230 ways,what is the value of n?
Last edited by coolwind (2006-08-09 01:29:52) | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=39664","timestamp":"2014-04-19T19:46:47Z","content_type":null,"content_length":"22686","record_id":"<urn:uuid:2f875829-f319-486c-9d9d-ec3c1129624f>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00217-ip-10-147-4-33.ec2.internal.... |
connected rates of change
July 30th 2011, 03:33 AM #1
Junior Member
Nov 2010
connected rates of change
A inverted conical vessel contains water to a height of 12cm initially. A hole is opened at the vertex and water leaks away in such a manner that after t minutes, the rate of decrease of the
height, h cm, ... | {"url":"http://mathhelpforum.com/calculus/185336-connected-rates-change.html","timestamp":"2014-04-19T13:37:15Z","content_type":null,"content_length":"53926","record_id":"<urn:uuid:50ff5595-a16c-4f34-91cb-a53f5e86ca56>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00630-ip-10-147-4-3... |
linear recurrence equation with non constant coefficients
April 10th 2012, 01:13 PM #1
Apr 2011
linear recurrence equation with non constant coefficients
I would solve the following recurrence equation:
$ a_{n+1} = a_n + 1/(2(c+n-1))*a_{n-1} $
where c>0 is a fixed constant.
It is linear (and that's ... | {"url":"http://mathhelpforum.com/discrete-math/197050-linear-recurrence-equation-non-constant-coefficients.html","timestamp":"2014-04-18T01:28:16Z","content_type":null,"content_length":"29742","record_id":"<urn:uuid:842863d3-f8d5-4fd6-86dc-268f2deca783>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN... |
Legendre transformation
Differential geometry
The Legendre transformation
The Legendre transformation is an operation on convex functions from a real normed vector space to the real line; it is one of the cornerstones of convex analysis. The space of arguments changes
In classical mechanics – Hamiltonians and Lagrangia... | {"url":"http://www.ncatlab.org/nlab/show/Legendre+transformation","timestamp":"2014-04-17T21:26:40Z","content_type":null,"content_length":"46246","record_id":"<urn:uuid:c894f173-6eea-4f2a-8b47-93888e4395a3>","cc-path":"CC-MAIN-2014-15/segments/1397609532128.44/warc/CC-MAIN-20140416005212-00286-ip-10-147-4-33.ec2.intern... |
God Plays Dice
08 February 2009
Read today's Foxtrot
You should read
today's Foxtrot comic strip
. (I won't tell you why, because if I told you why you won't follow the link.)
5 comments:
That was so freakin' funny! :D Thanks for sharing it.
You guys need to get out more.
I don't see what the problem is in ... | {"url":"http://godplaysdice.blogspot.com/2009/02/read-todays-foxtrot.html","timestamp":"2014-04-17T15:32:08Z","content_type":null,"content_length":"57706","record_id":"<urn:uuid:b7b40f1c-7398-448f-967d-3d663233ca07>","cc-path":"CC-MAIN-2014-15/segments/1398223210034.18/warc/CC-MAIN-20140423032010-00173-ip-10-147-4-33.e... |
Inverse Matrix - Eigenvalues & Eigenvectors (Proof Needed)
April 28th 2013, 05:41 PM #1
Mar 2013
Inverse Matrix - Eigenvalues & Eigenvectors (Proof Needed)
One of the questions I was presented in a tutorial the other day really stumped me and I am unsure as to how to prove it.
The question is:
"Suppose ... | {"url":"http://mathhelpforum.com/advanced-algebra/218329-inverse-matrix-eigenvalues-eigenvectors-proof-needed.html","timestamp":"2014-04-16T06:30:34Z","content_type":null,"content_length":"37720","record_id":"<urn:uuid:6cc05c0b-57da-4e92-ae08-d13b11188ebb>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-M... |
Calculating average of every nth value [Formula tips]
Posted on September 5th, 2013 in
Excel Howtos
- 15 comments
Lets say you have a large list of numbers, and you want to calculate the average of every nth value. Not the average of all numbers, but just every nth number.
That is what we will learn in next few minutes... | {"url":"http://chandoo.org/wp/2013/09/05/calculating-average-of-every-nth-value-formula-tips/","timestamp":"2014-04-19T23:00:44Z","content_type":null,"content_length":"58472","record_id":"<urn:uuid:786efacf-6ce3-40a4-b78f-98971738391d>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00... |
Anaheim SAT Math Tutor
Find an Anaheim SAT Math Tutor
...I have 2+ years of tutoring experience: In high school, I taught pre-Algebra, Algebra, Trigonometry, Pre-Calculus, and Calculus to both groups and individual students. I have an SAT score of
1980. I am knowledgeable in all high-school and undergraduate math c... | {"url":"http://www.purplemath.com/anaheim_sat_math_tutors.php","timestamp":"2014-04-19T05:23:51Z","content_type":null,"content_length":"23832","record_id":"<urn:uuid:54b762f0-d750-49ed-a618-c0fa23622216>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00523-ip-10-147-4-33.ec2.internal.... |
ind the Diameter
Because of this relationship, you can solve for one unknown (the actual size, or diameter, for example) if you know the other two (the angular size and the distance, in this case). In fact, that is
exactly what you are going to do to find the size of the central star in HT Cas and answer the challenge ... | {"url":"http://imagine.gsfc.nasa.gov/YBA/HTCas-size/optical.html","timestamp":"2014-04-16T13:19:07Z","content_type":null,"content_length":"14729","record_id":"<urn:uuid:df624695-6221-4093-94f3-d77143a81d97>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00522-ip-10-147-4-33.ec2.intern... |
Solid Mensuration: Volume of a dam with the given dimensions.
February 23rd 2013, 08:08 AM #1
Feb 2013
A concrete dam of height 128 ft. was built in a gorge.One side AB of the gorge slopes at an angle of 60 degrees,and the other side CD at 45 degrees.The bases of the dam are horizontal rectangular
in shape ... | {"url":"http://mathhelpforum.com/geometry/213666-solid-mensuration-volume-dam-given-dimensions.html","timestamp":"2014-04-16T04:28:23Z","content_type":null,"content_length":"30296","record_id":"<urn:uuid:9a00c8e8-9c74-4d80-a7ac-ed12e6cdbb3d>","cc-path":"CC-MAIN-2014-15/segments/1397609526311.33/warc/CC-MAIN-20140416005... |
Noncommutative Geometry
Welcome to E-Books Directory
This page lists freely downloadable books.
Noncommutative Geometry
E-Books for free online viewing and/or download
e-books in this category
Very Basic Noncommutative Geometry
by Masoud Khalkhali - University of Western Ontario , 2004
Contents: Introduction; Some exam... | {"url":"http://www.e-booksdirectory.com/listing.php?category=505","timestamp":"2014-04-16T08:53:20Z","content_type":null,"content_length":"12471","record_id":"<urn:uuid:4ec2ac4f-7905-4d88-830f-658ccab8ba7b>","cc-path":"CC-MAIN-2014-15/segments/1398223206770.7/warc/CC-MAIN-20140423032006-00181-ip-10-147-4-33.ec2.interna... |
An Object Is Placed 19.2 Cm From A First Converging ... | Chegg.com
An object is placed 19.2 cm from a first converging lens of focal length 12.2 cm. A second converging lens with focal length 5.00 cm is placed 10.0 cm to the right of the first converging lens.
(a) Find the position q1 of the image formed by the first ... | {"url":"http://www.chegg.com/homework-help/questions-and-answers/object-placed-192-cm-first-converging-lens-focal-length-122-cm-second-converging-lens-foca-q2367963","timestamp":"2014-04-25T07:13:07Z","content_type":null,"content_length":"22905","record_id":"<urn:uuid:a4d1fd13-1df6-4794-aef6-8c37806d0669>","cc-path":"C... |
Chaos Game
Building Sierpinski’s triangle with the chaos game.
The chaos game is a simple experiment which creates a skewed version of Sierpinski’s triangle—also known as the Sierpinski gasket—between three chosen points. The Macromedia Flash animation shown
here is a real-time calculation and rendering of this game be... | {"url":"http://www.stilldreamer.com/mathematics/chaos_game/","timestamp":"2014-04-18T23:41:06Z","content_type":null,"content_length":"4945","record_id":"<urn:uuid:45235943-b4de-48a3-8059-bf27ff5f02a8>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00361-ip-10-147-4-33.ec2.internal.warc... |
Prove that four vectors are coplanar
September 8th 2012, 05:09 PM #1
Junior Member
Jun 2011
Prove that four vectors are coplanar
I am given four vectors, A, B, C, and D, and need to show that they are coplanar.
I don't really know what to do. If it were three vectors, I know that I should scalar triple prod... | {"url":"http://mathhelpforum.com/advanced-math-topics/203120-prove-four-vectors-coplanar.html","timestamp":"2014-04-19T20:46:27Z","content_type":null,"content_length":"39240","record_id":"<urn:uuid:a74b7c06-eaec-4f55-9bb5-4e1cf95460bc>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00... |
Bargains, Bluffs and Other
Chapter 8: Games, Bargains, Bluffs and Other Really Hard Stuff
"There are two kinds of people in the world: Johnny Von Neumann and the rest of us."
At... | {"url":"http://www.daviddfriedman.com/Laws_Order_draft/laws_order_ch_8.htm","timestamp":"2014-04-19T20:21:04Z","content_type":null,"content_length":"33765","record_id":"<urn:uuid:546df94c-a3eb-4be0-9f2f-9b419de4f3e9>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00545-ip-10-147-4-33.... |
Planar Diagram
The PD (Planar Diagram) form for a virtual knot diagram is obtained by numbering the edges of the diagram in ascending order, beginning at some point and travelling along the diagram. Virtual
crossings are ignored, and after each non-virtual crossing is encountered, the new edge is numbered. Then, at eac... | {"url":"http://www.math.toronto.edu/drorbn/Students/GreenJ/pd.html","timestamp":"2014-04-16T10:23:12Z","content_type":null,"content_length":"1623","record_id":"<urn:uuid:928d2ba5-7e10-42eb-a2ee-7e8b5b6a36e7>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00462-ip-10-147-4-33.ec2.intern... |
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Which of the following is the equation of the axis of symmetry... | {"url":"http://openstudy.com/updates/500c7ec8e4b0549a893064e4","timestamp":"2014-04-20T11:14:34Z","content_type":null,"content_length":"46577","record_id":"<urn:uuid:c09e7f69-058b-4ba5-b286-40b49db8f887>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-20140416005218-00051-ip-10-147-4-33.ec2.internal.... |
Little Falls, NJ ACT Tutor
Find a Little Falls, NJ ACT Tutor
Hello,My name is Brigid. I am currently a student at NJCU and I am a biology major. I'm on scholarship and my strength are in math and science.
8 Subjects: including ACT Math, biology, algebra 2, elementary math
...I am a pre-med student in my second ... | {"url":"http://www.purplemath.com/Little_Falls_NJ_ACT_tutors.php","timestamp":"2014-04-20T19:57:24Z","content_type":null,"content_length":"23527","record_id":"<urn:uuid:180a132c-93ef-40b7-bc10-bd533ad91fba>","cc-path":"CC-MAIN-2014-15/segments/1398223207046.13/warc/CC-MAIN-20140423032007-00103-ip-10-147-4-33.ec2.intern... |
Is it possible to take "limits up to homotopy"?
up vote 10 down vote favorite
Before I begin, an apology: it's been a while since I've done much analysis, so I might be misusing (or just missing) terminology.
I have a chain complex $(V_\bullet,\partial)$ of topological vector spaces (in particular, the differential is ... | {"url":"http://mathoverflow.net/questions/137686/is-it-possible-to-take-limits-up-to-homotopy","timestamp":"2014-04-16T13:52:26Z","content_type":null,"content_length":"53404","record_id":"<urn:uuid:9a23fb94-55a0-4af2-888e-dea26927e4c4>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00... |
Determinant systems
Thank you guys. But when its up to math in english im not good,actually im not understanding this that much, i need someone to solve it in mathematical view..
Do you know how to form a matrix equation from a system of equations?
3x+y+2z=4 (1)
2x+3y-z=4 (2)
2x-y-z=0 (3)
If you take equation 2 and sub... | {"url":"http://www.physicsforums.com/showthread.php?p=4209065","timestamp":"2014-04-21T04:44:44Z","content_type":null,"content_length":"33994","record_id":"<urn:uuid:bc12b220-7ef7-4779-9797-98f40216ea74>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00280-ip-10-147-4-33.ec2.internal.... |
Integrate kˆ(n-1) / prod_{i=1...n} (kˆ(2)+x_iˆ{2}) dk between 0 and infinity, with x_i constants and n>=1?
up vote 1 down vote favorite
[some formatting tweaked, and the question copied from the title to the main body, by YC]
I've been struggling a lot to calculate this integral.
$$ \int_0^\infty \frac{k^{n-1}}{\prod_{... | {"url":"http://mathoverflow.net/questions/60334/integrate-kn-1-prod-i-1-n-k2x-i2-dk-between-0-and-infinity-wi?sort=newest","timestamp":"2014-04-18T21:11:25Z","content_type":null,"content_length":"47461","record_id":"<urn:uuid:c0fe4d93-1602-4c81-9e80-cd7a47c9f4f2>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/war... |
Praise, Curse, and Recurse
Let's remember the words of Princess Leia, in the Star Wars Holiday Special:
We celebrate a day of peace. A day of harmony. A day of joy we can all share together joyously. A day that takes us through the darkness. A day that leads us into might. A day that makes us want
to celebrate ... | {"url":"http://praisecurseandrecurse.blogspot.com/2006_12_01_archive.html","timestamp":"2014-04-20T05:43:33Z","content_type":null,"content_length":"181066","record_id":"<urn:uuid:3f63e3b4-4f4b-40b8-8d5a-4f1d833f9518>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00099-ip-10-147-4-33.... |
Phidgets 1135 - Precision Voltage Sensor - Arduino Forum
I've interfaced a Phidgets 1135 Precision Voltage Sensor to A0, via a GVS Shield on my Arduino Uno.
I'm getting a signal, though not appropriate to my voltage, as measured with DMM.
I've tried to apply the formulas in the manual above, but to no avail (though I'm... | {"url":"http://forum.arduino.cc/index.php?topic=52039.msg371199","timestamp":"2014-04-18T16:52:26Z","content_type":null,"content_length":"85508","record_id":"<urn:uuid:e42b938a-8886-436e-9d8b-f9117a573257>","cc-path":"CC-MAIN-2014-15/segments/1397609533957.14/warc/CC-MAIN-20140416005213-00140-ip-10-147-4-33.ec2.interna... |
Computer Science Colloquium
IBM Research/NYU/Columbia Theory Day
Various Speakers,
November 12, 2010 9:30AM
Warren Weaver Hall, 109
251 Mercer Street
New York, NY 10012
Fall 2010 Colloquia Calendar
New York University
9:30 - 10:00 Coffee and bagels
10:00 - 10:55 Prof. Boaz Barak
Subexponential Algorithms for Unique Gam... | {"url":"https://cs.nyu.edu/webapps/fall2010/colloquia/80","timestamp":"2014-04-18T18:27:56Z","content_type":null,"content_length":"18027","record_id":"<urn:uuid:4c3e3ab9-ddac-4b0f-8560-2700a84bc681>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00179-ip-10-147-4-33.ec2.internal.warc.g... |
Finding Horizontal Asymptotes
Finding Horizontal Asymptotes
A horizontal asymptote is a y-value on a graph which a function approaches but does not actually reach. Here is a simple graphical example where the graphed function approaches, but never quite
reaches, y=0. In fact, no matter how far you zoom out on this gra... | {"url":"http://www.freemathhelp.com/finding-horizontal-asymptotes.html","timestamp":"2014-04-19T17:02:05Z","content_type":null,"content_length":"14350","record_id":"<urn:uuid:04c5e67b-435d-4baa-8c01-3599fff7a6f3>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00166-ip-10-147-4-33.ec2.... |
Introduction and MotivationBackground and Related WorkDatasetsModeling Indicators of Group MotionModeling Positional IndicatorsModeling Positional Indicators Regarding GModeling Positional Indicators Regarding ḠModeling Directional IndicatorsHypothesis TestingExperimental ResultsModel CalibrationEstimated Distribution... | {"url":"http://www.mdpi.com/1424-8220/13/1/875/xml","timestamp":"2014-04-16T13:14:33Z","content_type":null,"content_length":"124294","record_id":"<urn:uuid:cc2c822e-8144-4d82-a218-59f41cdfef16>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00486-ip-10-147-4-33.ec2.internal.warc.gz"} |
Math Forum Discussions
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User Profile: jeremys_@_md5.umd.edu
User Profile f... | {"url":"http://mathforum.org/kb/profile.jspa?userID=36664","timestamp":"2014-04-20T01:56:48Z","content_type":null,"content_length":"12489","record_id":"<urn:uuid:29479bfb-2706-47ba-83f9-b0a1989954f5>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00659-ip-10-147-4-33.ec2.internal.warc.... |
Ultrasonic generator introduction
Ultrasonic generator is used to generate ultrasonic transducer to provide ultrasonic energy devices. Ultrasonic generator on its incentives in two ways: one is he excited. The other is self-excited.
If you press the final amplifier tube type device used points, and divided into four ty... | {"url":"http://www.ultrasonic-generators.com/2011/piezo-generator_1018/2.html","timestamp":"2014-04-21T09:45:41Z","content_type":null,"content_length":"17698","record_id":"<urn:uuid:ab36ca4d-05b2-4819-a988-c815d68d6634>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00350-ip-10-147-4-... |
Term Projects
The main goal of the whole class is to do an research project in Neural Networks. It does not have to be very extensive (we only have one semester), but it should be original and address a specific
research question. Optimally it could be a start for a larger project that you can continue after class, eve... | {"url":"http://www.cs.utexas.edu/~risto/cs394n/projects.html","timestamp":"2014-04-23T13:33:45Z","content_type":null,"content_length":"4776","record_id":"<urn:uuid:2c372aad-ab55-4d2d-a0c4-85f1d78b2a15>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00329-ip-10-147-4-33.ec2.internal.wa... |
DRDB: SDAPCD 260-313 PERFORMANCE TESTS & COMPLIANCE PROVISIONS
RULE 260.313 - PERFORMANCE TESTS AND COMPLIANCE PROVISIONS
(a) Rule 260.8(d) and 260.8(f) do not apply to the performance test procedures required by this subpart.
(b) The owner or operator of an affected facility shall conduct an initial performance test a... | {"url":"http://www.arb.ca.gov/DRDB/SD/CURHTML/R260-313.HTM","timestamp":"2014-04-19T12:01:59Z","content_type":null,"content_length":"12345","record_id":"<urn:uuid:8e22ae1c-477c-409f-93fe-52a86ad8cbc8>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00304-ip-10-147-4-33.ec2.internal.war... |
Logic programming with focusing proofs in linear logic
Results 1 - 10 of 272
"... When logic programming is based on the proof theory of intuitionistic logic, it is natural to allow implications in goals and in the bodies of clauses. Attempting to prove a goal of the form D ⊃
G from the context (set of formulas) Γ lead... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=20614","timestamp":"2014-04-23T23:01:13Z","content_type":null,"content_length":"38245","record_id":"<urn:uuid:029f118c-e0ee-4024-9c63-15d3f2833045>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00356-ip-10-147-4-33.ec2.internal.warc.... |
SIMMS Integrated Mathematics makes math accessible to all students by using real-world contexts from a variety of disciplines. It incorporates the use of technology as a learning tool in all facets
and at all levels of mathematics.
SIMMS Integrated Mathematics is a complete, NSF-funded, NCTM Standards-based curriculum ... | {"url":"http://www.ithaca.edu/compass/simms.htm","timestamp":"2014-04-16T22:32:04Z","content_type":null,"content_length":"26361","record_id":"<urn:uuid:5cb4eee2-a920-41a2-bfdb-cb50473a3c17>","cc-path":"CC-MAIN-2014-15/segments/1398223206672.15/warc/CC-MAIN-20140423032006-00022-ip-10-147-4-33.ec2.internal.warc.gz"} |
Solving LaPlace Equation for x^3?
February 27th 2010, 03:21 PM #1
Feb 2010
Solving LaPlace Equation for x^3?
Good evening everyone! I have a little bit of a headache from trying to figure out how to attack this complex analysis problem:
(2nd partial derivative of u with respect to y)+(2nd partial derivative... | {"url":"http://mathhelpforum.com/differential-geometry/131070-solving-laplace-equation-x-3-a.html","timestamp":"2014-04-20T12:59:09Z","content_type":null,"content_length":"29581","record_id":"<urn:uuid:cb3082b4-d485-43c6-a827-c591089ff539>","cc-path":"CC-MAIN-2014-15/segments/1397609538423.10/warc/CC-MAIN-2014041600521... |
Wei-Chi Yang
Calculus I - Math 151
• Lab Schedule
• Walker_221 Computer Lab 11/19/2008 2:00 PM - 4:00 PM
Walker_216 Computer Lab 12/01/2008 2:00 PM - 4:00 PM
Walker_216 Computer Lab 12/03/2008 2:00 PM - 4:00 PM Walker_216 Computer Lab 12/08/2008 2:00 PM - 4:00 PM
• Writing A Calculus I (Math 151) Project
... | {"url":"http://www.radford.edu/~wyang/website/151s00.html","timestamp":"2014-04-21T09:36:42Z","content_type":null,"content_length":"45758","record_id":"<urn:uuid:dcfac6be-7bfa-48de-9822-a1da7a86468d>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00041-ip-10-147-4-33.ec2.internal.warc.... |
Jean Baptiste Joseph Fourier demonstrated around 1800 that any continuous function can be perfectly described as a sum of sine waves. This in fact means that you can create any sound, no matter how
complex, if you know which sine waves to add together.
This concept really excited the early pioneers of electronic music,... | {"url":"http://en.flossmanuals.net/csound/_all/","timestamp":"2014-04-16T08:19:19Z","content_type":null,"content_length":"1048985","record_id":"<urn:uuid:c53accf7-f894-45ca-907a-2aab5787f754>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00482-ip-10-147-4-33.ec2.internal.warc.gz"} |
Boolean Functions
October 5th 2011, 04:01 AM #1
Junior Member
Mar 2011
Boolean Functions
Hi I'm having trouble with this question and was hoping for a push in the right direction...
I've been given the boolean function
$f = w \oplus y \oplus xz \oplus wxz \oplus wyz \oplus wxyz$
and been asked to ap... | {"url":"http://mathhelpforum.com/discrete-math/189606-boolean-functions.html","timestamp":"2014-04-16T10:19:48Z","content_type":null,"content_length":"71126","record_id":"<urn:uuid:2ad30ec5-aa5f-46b1-a7c9-8531ebcc7085>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-20140416005218-00614-ip-10-147-4-3... |
Results 1 - 10 of 16
, 2005
"... We propose a new interior point based method to minimize a linear function of a matrix variable subject to linear equality and inequality constraints over the set of positive semidefinite
matrices. We show that the approach is very efficient for graph bisection problems, such as max-cut... | {"url":"http://citeseerx.ist.psu.edu/showciting?cid=372671","timestamp":"2014-04-16T17:18:04Z","content_type":null,"content_length":"39823","record_id":"<urn:uuid:b562c9de-b395-4b9c-8914-60029d71e918>","cc-path":"CC-MAIN-2014-15/segments/1397609524259.30/warc/CC-MAIN-20140416005204-00521-ip-10-147-4-33.ec2.internal.war... |
Compiled Overall Rankings (Updated 2-21-06)
When did Pineiro become a Phillie?
Thanks for all the comments everyone. To those who are posting that they disagree with my rankings, please keep in mind that I am simply averaging a number of sources, not infusing my own opinion.
To answer some of your questions, I have n... | {"url":"http://www.fantasybaseballcafe.com/forums/viewtopic.php?t=170441&start=10","timestamp":"2014-04-18T21:13:10Z","content_type":null,"content_length":"76658","record_id":"<urn:uuid:f0bc5e56-0ccf-4126-827b-61617277b490>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.9/warc/CC-MAIN-20140416005215-00481-ip-10-147... |
Brook Taylor
Courtesy of The National Portrait Gallery, London
Brook Taylor, (born August 18, 1685, Edmonton, Middlesex, England—died December 29, 1731, London), British mathematician, a proponent of Newtonian mechanics and noted for his contributions to the
development of calculus.
Taylor was born into a prosperous an... | {"url":"http://www.britannica.com/print/topic/584793","timestamp":"2014-04-20T22:39:24Z","content_type":null,"content_length":"10566","record_id":"<urn:uuid:2f48adae-b68b-4624-9ac4-221314862b54>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00325-ip-10-147-4-33.ec2.internal.warc.gz"} |
Math Forum Discussions
Math Forum
Ask Dr. Math
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Search All of the Math Forum:
Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.
Topic: Calculate angles, sides and areas for any regular polygon without
using trig functions and Pi
Replies: ... | {"url":"http://mathforum.org/kb/message.jspa?messageID=9128627","timestamp":"2014-04-18T18:53:19Z","content_type":null,"content_length":"29534","record_id":"<urn:uuid:b1ed1894-14d0-41bb-86bc-3c8b19fdffdf>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00571-ip-10-147-4-33.ec2.internal.... |
Department of Mathematics, University of North Alabama
[7] A Decomposition for a Class of Nonlinear Functionals, In AMS Southeastern Section Spring 2013 Conference (to appear), 2013.
[6] Establishing the Impact of a Computer Science/Mathematics Anti-Symbiotic Stereotype in CS Students, In Journal of Computing Sciences ... | {"url":"http://www.una.edu/math/faculty/stovall.html","timestamp":"2014-04-17T18:35:43Z","content_type":null,"content_length":"8946","record_id":"<urn:uuid:ca4112cb-9a41-49ec-b598-d56e1b22a279>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00267-ip-10-147-4-33.ec2.internal.warc.gz"} |
Connected Correlation Function
A selection of articles related to connected correlation function.
Original articles from our library related to the Connected Correlation Function. See Table of Contents for further available material (downloadable resources) on Connected Correlation Function.
Connected Correlation Funct... | {"url":"http://www.realmagick.com/connected-correlation-function/","timestamp":"2014-04-19T02:33:24Z","content_type":null,"content_length":"29507","record_id":"<urn:uuid:a93ca206-ecbc-49b8-85ea-1de1e7caca67>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00136-ip-10-147-4-33.ec2.intern... |
Adelaide, WA Math Tutor
Find an Adelaide, WA Math Tutor
...In my first role as a software developer,I developed an imaging software in Windows (SDK 3) when Windows just started offering software development kits. I continue to work in Windows in
current projects using Visual Studio. I have been working in MS Window... | {"url":"http://www.purplemath.com/Adelaide_WA_Math_tutors.php","timestamp":"2014-04-16T13:22:19Z","content_type":null,"content_length":"23934","record_id":"<urn:uuid:1ee2f32a-f3df-4519-89eb-a087472c39f5>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-20140416005203-00453-ip-10-147-4-33.ec2.internal.... |
Van Nuys Algebra 2 Tutor
Find a Van Nuys Algebra 2 Tutor
...While obtaining my degrees, I had to take many public speaking courses. I passed all with flying colors! I also am currently employed by a television news station, where speaking in front of a
lot of people every day is required.
35 Subjects: including a... | {"url":"http://www.purplemath.com/Van_Nuys_algebra_2_tutors.php","timestamp":"2014-04-18T15:52:50Z","content_type":null,"content_length":"23872","record_id":"<urn:uuid:e0d4a348-e317-47b8-bee8-61e61a532f83>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00245-ip-10-147-4-33.ec2.internal... |
local homeomorphism
local homeomorphism
Basic concepts
Étale morphisms
A continuous map $f : X \to Y$ between topological spaces is called a local homeomorphism if restricted to a neighbourhood of every point in its domain it becomes a homeomorphism.
One also says that this exhibits $X$ as an étale space over $Y$.
Noti... | {"url":"http://www.ncatlab.org/nlab/show/local+homeomorphism","timestamp":"2014-04-16T19:01:41Z","content_type":null,"content_length":"31916","record_id":"<urn:uuid:e1625f91-58ff-4ed6-b0ce-fec170558f9b>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00013-ip-10-147-4-33.ec2.internal.w... |
How to Measure the Density of Metals
Edit Article
Edited by Maluniu, Jmuddy95, Awesome.Nicky
Density is one of the basic properties of matter. Density is defined as the mass of an object divided by the volume of the object. This yields a density of mass per unit volume. If 2 objects have the
same volume, but different ... | {"url":"http://www.wikihow.com/Measure-the-Density-of-Metals","timestamp":"2014-04-19T08:27:19Z","content_type":null,"content_length":"62404","record_id":"<urn:uuid:9155aa17-0038-4df1-88e1-6510cdeadd86>","cc-path":"CC-MAIN-2014-15/segments/1397609536300.49/warc/CC-MAIN-20140416005216-00470-ip-10-147-4-33.ec2.internal.w... |
Estimating a Difference
A quick way to estimate the difference between two numbers is to round each number and then subtract the rounded numbers. This probably won't be the exact answer but it may be close enough for
some purposes.
How to Estimate a difference by rounding.
□ Round each term that will ... | {"url":"http://www.aaamath.com/g28b-subestimate.html","timestamp":"2014-04-20T18:22:40Z","content_type":null,"content_length":"8463","record_id":"<urn:uuid:3a87529b-63a6-496d-8b44-ef3cab8b36c7>","cc-path":"CC-MAIN-2014-15/segments/1398223202457.0/warc/CC-MAIN-20140423032002-00622-ip-10-147-4-33.ec2.internal.warc.gz"} |
Spirals and Time
Recreational APL
Eugene McDonnell
... | {"url":"http://www.jsoftware.com/papers/eem/spirals.htm","timestamp":"2014-04-18T03:41:00Z","content_type":null,"content_length":"11366","record_id":"<urn:uuid:04f11fc4-60f9-4e41-9d11-e08a9490d2bc>","cc-path":"CC-MAIN-2014-15/segments/1397609532480.36/warc/CC-MAIN-20140416005212-00430-ip-10-147-4-33.ec2.internal.warc.g... |
A sufficient condition for the ring property that every prime ideal is maximal
Let $R$ be a commutative ring with $1 eq 0$ and suppose that for all $a \in R$, there exists an integer $n > 1$ such that $a^n = a$. Prove that every prime ideal of $R$ is maximal.
Let $P \subseteq R$ be a prime ideal. Now $R/P$ is an integr... | {"url":"http://crazyproject.wordpress.com/2010/09/30/a-sufficient-condition-for-the-ring-property-that-every-prime-ideal-is-maximal/","timestamp":"2014-04-17T22:07:33Z","content_type":null,"content_length":"70604","record_id":"<urn:uuid:8f8cc47f-a396-43cc-bd09-4eb0ca1726fc>","cc-path":"CC-MAIN-2014-15/segments/13976095... |
[Numpy-discussion] Slicing/selection in multiple dimensions simultaneously
[Numpy-discussion] Slicing/selection in multiple dimensions simultaneously
Mike Ressler mike.ressler@alum.mit....
Tue Sep 11 17:11:53 CDT 2007
The following seems to be a wart: is it expected?
Set up a 10x10 array and some indexing arrays:
Suppo... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2007-September/029164.html","timestamp":"2014-04-17T16:02:30Z","content_type":null,"content_length":"3741","record_id":"<urn:uuid:ccbc45b0-dc77-4ef0-909a-4b08dca322b9>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00235-ip-10-1... |
Big Bang Nucleosynthesis: Probing the First 20 Minutes -
G. Steigman
2.4. Nonstandard BBN
The predictions of the primordial abundance of ^4He depend sensitively on the early expansion rate (the Hubble parameter H) and on the amount - if any - of a [e] - [e] asymmetry (the [e] chemical
potential µ[e] or the neutrino deg... | {"url":"http://ned.ipac.caltech.edu/level5/March04/Steigman/Steigman2_4.html","timestamp":"2014-04-19T17:05:47Z","content_type":null,"content_length":"16639","record_id":"<urn:uuid:4e95a8a6-a884-4690-bf7d-60038c57fca3>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00265-ip-10-147-4-3... |
Lemont, IL Math Tutor
Find a Lemont, IL Math Tutor
...I also offer online lessons with a special discount--contact me for more details if interested.Before I knew I was going to teach French, I was originally going to become a math teacher. I
have had numerous students tell me that I should teach math, as they real... | {"url":"http://www.purplemath.com/lemont_il_math_tutors.php","timestamp":"2014-04-19T10:02:11Z","content_type":null,"content_length":"23859","record_id":"<urn:uuid:fbf973a0-ef4e-4ad7-879f-2ad509f2afc0>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/CC-MAIN-20140416005217-00480-ip-10-147-4-33.ec2.internal.wa... |
Math game using playing cards?
Re: Math game using playing cards?
Hi Jc;
Welcome to the forum!
Jc wrote:
I didn't bookmark the page
Uh Oh! That's a killer.
I know of multiplication war which is a pretty good game. How about times table football? Any of that sound familiar?
In mathematics, you don't understand t... | {"url":"http://www.mathisfunforum.com/viewtopic.php?pid=159645","timestamp":"2014-04-18T10:39:07Z","content_type":null,"content_length":"9870","record_id":"<urn:uuid:6a898d52-6f09-4d06-84f5-f04242f09205>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00031-ip-10-147-4-33.ec2.internal.... |
We Use Math Blog
San Antonio Spurs center David Robinson received a BS in mathematics from the United States Naval Academy.
Read More
"My mathematics tools help me make life better for my community, they help me make wise choices as a consumer and they give me a valuable skill that all employers want."
Read More
"While... | {"url":"http://weusemath.org/?page_id=346&paged=70","timestamp":"2014-04-20T23:27:55Z","content_type":null,"content_length":"36350","record_id":"<urn:uuid:7903d511-ae5d-4193-88fe-c2d90dce0946>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00378-ip-10-147-4-33.ec2.internal.warc.gz"} |
How do you graph xy + 2x - y = 5 ?
December 7th 2010, 09:59 AM
How do you graph xy + 2x - y = 5 ?
How do you graph xy + 2x - y = 5 ? I'm currently using Lybniz in Ubuntu 10.10
Or could you suggest any other software ?
Thank you.
December 7th 2010, 10:32 AM
Collect the y terms on one side $xy-y = 5-2x$ a... | {"url":"http://mathhelpforum.com/math-software/165585-how-do-you-graph-xy-2x-y-5-a-print.html","timestamp":"2014-04-18T19:50:58Z","content_type":null,"content_length":"4493","record_id":"<urn:uuid:b7191eaa-65af-405c-bcb8-765fd8699b9c>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-0000... |
Westville Grove, NJ Precalculus Tutor
Find a Westville Grove, NJ Precalculus Tutor
...I have a background in mathematics that currently reaches up to calculus III. During my high school years, I had the chance to tutor younger students in topics with which they were having
trouble. I have tutored mathematics from a... | {"url":"http://www.purplemath.com/Westville_Grove_NJ_Precalculus_tutors.php","timestamp":"2014-04-18T05:40:46Z","content_type":null,"content_length":"24668","record_id":"<urn:uuid:6396c25f-d5bf-4767-ab86-3c7ab736e425>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00660-ip-10-147-4-33... |
Flushing, NY Prealgebra Tutor
Find a Flushing, NY Prealgebra Tutor
...Starting in high school and continuing till today, I have tutored students in a variety of subjects ranging from college-level writing and math to SAT and GRE prep. I have coached kids in
tennis and basketball as well as instructed beginners in g... | {"url":"http://www.purplemath.com/flushing_ny_prealgebra_tutors.php","timestamp":"2014-04-21T10:40:55Z","content_type":null,"content_length":"24181","record_id":"<urn:uuid:9fd7aa49-8d54-429c-bbb8-fcf5e4f90c46>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00422-ip-10-147-4-33.ec2.int... |
Math Posters
= Preview Document = Member Document = Pin to Pinterest
• Includes pentagon, hexagon, octagon, trapezoid, cone, and right triangle. Common Core: Geometry K.3.1, 1.G.1 2.G.1, 3.G.1
• Includes pentagon, hexagon, octagon, trapezoid cone,and right triangle. Common Core: Geometry K.3.1, 1.G.1 2.G.1, 3.G.1
... | {"url":"http://www.abcteach.com/directory/subjects-math-math-posters-4118-2-0","timestamp":"2014-04-18T05:55:59Z","content_type":null,"content_length":"222559","record_id":"<urn:uuid:a55bce8a-4fd0-4a81-ba0d-ea77bc41247f>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00030-ip-10-147-4... |
arallel lines
From Greek: para allelois "beside one another"
Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length
Try this
Drag any orange dot at the points P or Q. As the line
moves, the line
will remain parallel to it.
Parallel lines remain the same distance apart... | {"url":"http://www.mathopenref.com/parallel.html","timestamp":"2014-04-20T21:23:22Z","content_type":null,"content_length":"9981","record_id":"<urn:uuid:d42e1d46-8936-42c0-8031-654307b55f0a>","cc-path":"CC-MAIN-2014-15/segments/1397609539230.18/warc/CC-MAIN-20140416005219-00319-ip-10-147-4-33.ec2.internal.warc.gz"} |
January 15-16, 2004
ITEM 122-2701-R0104 Authorization to Confer The Title of Professor Emeritus of Mathematics upon Professor William Self; Montana State University-Billings
WHEREAS, Professor William Self has completed a distinguished teaching career of thirty-four years, including fifteen at Montana St... | {"url":"http://www.mus.edu/board/meetings/Archives/ITEM122-2701-R0104.htm","timestamp":"2014-04-20T16:56:21Z","content_type":null,"content_length":"7547","record_id":"<urn:uuid:e0986705-d1f1-4a99-8f19-9bb2ed5b3058>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00238-ip-10-147-4-33.ec... |
Albert Einstein 1911-12, 1922-23
Several events related to Albert Einstein's life occurred in recent days and months. If you consider yourself a sort of Einstein fan, you may let me mention some of them.
First, you may finally buy Einstein's brain for $9.99 (or $13.99 now?), no strings or hair attached. See Google News... | {"url":"http://motls.blogspot.cz/2012/09/albert-einstein-1911-12-1922-23.html","timestamp":"2014-04-19T22:52:37Z","content_type":null,"content_length":"204859","record_id":"<urn:uuid:f10a992e-8ca0-468d-8305-599a7c3cf2d0>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00165-ip-10-147-4... |