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The top U.S. dividend stocks: Which are the best values now?
A recent post at the dividend investing blog Dividends Value lists the author’s choices for the 10 Best U.S. Dividend Stocks. Not surprisingly these include such stellar dividend payers as Johnson &
Johnson, Procter & Gamble, 3M and Abbott Laboratories to nam... | {"url":"http://dividendstocks4income.com/2009/10/11/the-top-us-dividend-stocks-which-are-the-best-values-now/","timestamp":"2014-04-17T03:49:18Z","content_type":null,"content_length":"38015","record_id":"<urn:uuid:998fb89b-86b0-422c-8fcf-12558591629f>","cc-path":"CC-MAIN-2014-15/segments/1397609526252.40/warc/CC-MAIN-2... |
Giancoli Physics (5th ed) Chapter 2
From TuHSPhysicsWiki
Main Page > Giancoli Physics (5th ed) Solutions > Giancoli Physics (5th ed) Chapter 2
1. What must be your average speed in order to travel 230 km in 3.25 hours?
distance = 230 km and time = 3.25 hours so average speed is 230/3.25, or 70.8 km/hr.
(0.60 hr... | {"url":"http://tuhsphysics.ttsd.k12.or.us/wiki/index.php/Giancoli_Physics_(5th_ed)_Chapter_2","timestamp":"2014-04-16T07:59:21Z","content_type":null,"content_length":"81566","record_id":"<urn:uuid:db1a1a37-8d7d-4ed9-847f-ca393e0cc0b2>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-003... |
Amount of work
October 12th 2008, 05:36 PM #1
Oct 2008
Amount of work
An anchor weighing 100 lb in water is attached to a chain weighing 3 lb/ft in water. Find the work done to haul the anchor and chain to the surface of the water from a depth of 35 ft
again, as i said in your last thread, the work here is ... | {"url":"http://mathhelpforum.com/calculus/53332-amount-work.html","timestamp":"2014-04-19T03:42:09Z","content_type":null,"content_length":"41695","record_id":"<urn:uuid:957e4ff3-1eff-419d-b2bf-bf17c48e3a56>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00460-ip-10-147-4-33.ec2.interna... |
Affine sphere
From Encyclopedia of Mathematics
A surface the affine normals (cf. Affine normal) of which intersect at one point. An affine sphere is said to be improper if this point is infinitely distant (or improper (ideal)); otherwise it is
proper. In particular, any surface of the second order is an affine sphere. ... | {"url":"http://www.encyclopediaofmath.org/index.php/Affine_sphere","timestamp":"2014-04-18T20:42:25Z","content_type":null,"content_length":"15223","record_id":"<urn:uuid:2bd81b21-84cd-40a9-9de1-6848a1a7d1e7>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00360-ip-10-147-4-33.ec2.inter... |
Mean Value Theorem- Need help tonight please
October 28th 2009, 06:14 PM #1
Oct 2009
Mean Value Theorem- Need help tonight please
Hey everyone, just reached a problem in my homework that I'm not sure how to do... hopefully someone will be of some help.
Clark is driving by car 213 miles from Fort Worth to Au... | {"url":"http://mathhelpforum.com/calculus/111095-mean-value-theorem-need-help-tonight-please.html","timestamp":"2014-04-18T01:02:09Z","content_type":null,"content_length":"33816","record_id":"<urn:uuid:4324f490-5c06-4fa0-9858-a4580a86eb73>","cc-path":"CC-MAIN-2014-15/segments/1397609532374.24/warc/CC-MAIN-2014041600521... |
Leicester, MA Trigonometry Tutor
Find a Leicester, MA Trigonometry Tutor
...I've studied photography for 10 years. I've submitted photographs for competitions as well. I know all the mechanics of photography, setting light, exposure, speed, lenses and setting the
47 Subjects: including trigonometry, reading, chemis... | {"url":"http://www.purplemath.com/Leicester_MA_Trigonometry_tutors.php","timestamp":"2014-04-19T23:53:50Z","content_type":null,"content_length":"24250","record_id":"<urn:uuid:3c5490be-5a77-4078-9796-e236bce85447>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00027-ip-10-147-4-33.ec2.... |
-- Statistical Standard Nine Normal Distribution
There exists a normal distribution with a mean of 0 and a standard deviation of 1. It is called the standard normal distribution.
When the center interval is within a quarter of a standard deviation of the mean, and each of the other intervals are a half standard... | {"url":"http://www.mathnstuff.com/math/spoken/here/2class/90/stanine.htm","timestamp":"2014-04-19T01:46:30Z","content_type":null,"content_length":"8222","record_id":"<urn:uuid:781b9643-de6a-4041-9275-7eb030028f52>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00379-ip-10-147-4-33.ec2.... |
Cone of a morphism in an abelian category when considered as a morphism in derived category. Connection between 4-term exact sequences and distinguished triangles.
up vote 3 down vote favorite
Let $\mathcal{A}$ be an abelian category and let $$ 0 \rightarrow E \rightarrow F \rightarrow G \rightarrow 0 $$ be a short exa... | {"url":"http://mathoverflow.net/questions/102767/cone-of-a-morphism-in-an-abelian-category-when-considered-as-a-morphism-in-deriv/102775","timestamp":"2014-04-19T22:24:06Z","content_type":null,"content_length":"58608","record_id":"<urn:uuid:d78ce6ff-8230-4124-bd51-5e044486e0f9>","cc-path":"CC-MAIN-2014-15/segments/1397... |
Mathematical English Usage
Mathematical English Usage - a Dictionary
The iterates eventually reach the value 1.
The map $U(t)$ takes values in some compact space $G$.
Each factor in (4) has absolute value 1 on $T$.
Let $n_k$ be the first loc... | {"url":"http://www.impan.pl/cgi-bin/dict?value","timestamp":"2014-04-17T21:35:34Z","content_type":null,"content_length":"4419","record_id":"<urn:uuid:3917070b-f740-4e21-917e-bf5662d85707>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00294-ip-10-147-4-33.ec2.internal.warc.gz"} |
Density of holomorphic sections
up vote 2 down vote favorite
I am reading an article in which there is the following statement:
Let $E\rightarrow X$ be a holomorphic vector bundle. The holomorphic sections of $E$ over a coordinate neighbourhood of $X$ are dense in the set of smooth sections of $E$.
I have some knowledg... | {"url":"http://mathoverflow.net/questions/63553/density-of-holomorphic-sections","timestamp":"2014-04-20T06:05:13Z","content_type":null,"content_length":"60405","record_id":"<urn:uuid:fc961f0d-9c24-4b99-bf69-9cda42fdf35c>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00356-ip-10-147-... |
Matches for:
Mathematical Surveys and Monographs
2013; 437 pp; hardcover
Volume: 193
ISBN-10: 1-4704-0980-1
ISBN-13: 978-1-4704-0980-7
List Price: US$119
Member Price: US$95.20
Order Code: SURV/193
This book is devoted to the proof of a deep theorem in arithmetic geometry, the Fekete-Szegö theorem with local rational... | {"url":"http://cust-serv@ams.org/bookstore?fn=20&arg1=whatsnew&ikey=SURV-193","timestamp":"2014-04-19T15:53:26Z","content_type":null,"content_length":"16379","record_id":"<urn:uuid:4d8e2ad7-7f1d-47d5-9131-3b328646f59d>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00627-ip-10-147-4-3... |
What is Floer homology of a knot?
up vote 3 down vote favorite
I've heard that there are different theories providing knot invariants in form of homologies. My understanding is that if you embed knot in a special way into a space, there is a special homology
theory called Floer homology.
Question: what's the defini... | {"url":"http://mathoverflow.net/questions/2903/what-is-floer-homology-of-a-knot/2955","timestamp":"2014-04-20T06:17:00Z","content_type":null,"content_length":"61370","record_id":"<urn:uuid:45a2be74-c032-4304-85ab-b84e816d980b>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00484-ip-10... |
the encyclopedic entry of accordion-fold
This page shows basic information about the most commonly used techniques in the Japanese art of
Origami symbols
• Turn over.
• Rotate.
• Unfold.
• Valley Fold.
• Mountain fold.
• Inflate.
• Reverse Fold.
• Sink Fold.
• Repeat Behind.
Basic skills
Pureland orig... | {"url":"http://www.reference.com/browse/accordion-fold","timestamp":"2014-04-20T19:41:00Z","content_type":null,"content_length":"88317","record_id":"<urn:uuid:428b9af6-7ebc-4e9a-8063-7bfb862d5b81>","cc-path":"CC-MAIN-2014-15/segments/1397609539066.13/warc/CC-MAIN-20140416005219-00170-ip-10-147-4-33.ec2.internal.warc.gz... |
MathGroup Archive: September 1999 [00060]
[Date Index] [Thread Index] [Author Index]
Re: Question about evaluation with Sum
• To: mathgroup at smc.vnet.net
• Subject: [mg19613] Re: Question about evaluation with Sum
• From: "Allan Hayes... | {"url":"http://forums.wolfram.com/mathgroup/archive/1999/Sep/msg00060.html","timestamp":"2014-04-21T04:49:19Z","content_type":null,"content_length":"39178","record_id":"<urn:uuid:5277f0bc-81d9-4bde-b07d-190bc3c6e328>","cc-path":"CC-MAIN-2014-15/segments/1397609539493.17/warc/CC-MAIN-20140416005219-00448-ip-10-147-4-33.... |
semisimple rings
July 2nd 2010, 02:07 PM #1
Sep 2008
semisimple rings
If $R$ is a division ring and $V$ is a left vector space over $R$ with $dim(V)=n$, then $End_R(V)$ is isomorphic to $Mat_n(R^{op})$ and $End_R(V)$ is a left semisimple ring.
I already prove the part that $End_R(V)$ is isomorphic to $Mat_n... | {"url":"http://mathhelpforum.com/advanced-algebra/149965-semisimple-rings.html","timestamp":"2014-04-20T06:15:06Z","content_type":null,"content_length":"39844","record_id":"<urn:uuid:9fa9d567-b920-42cf-97ff-85c097b6791b>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00565-ip-10-147-4... |
Up to this point we have been concerned with how scores are distributed and how best to describe the distribution. There are several different measures, but the mean will be the measure that we use
to describe the center of the distribution and the standard deviation will be the measure we use to describe the spread (d... | {"url":"http://faculty.uncfsu.edu/dwallace/sz-score.html","timestamp":"2014-04-23T19:05:02Z","content_type":null,"content_length":"3378","record_id":"<urn:uuid:f186fdaf-95d2-4736-bf72-1f0948c5c9cc>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00305-ip-10-147-4-33.ec2.internal.warc.gz... |
A Lightweight Approach to Wireless Access Point Geolocation
One of the side-effects of "wardriving" to detect the locations of wireless access point (WAP) using a mobile device such as a laptop computer with a GPS is that all of the locations of the WiFi
hotspots all appear on a map at the location where they were d... | {"url":"http://www.tombaugh.org/lightweight-approach-wireless-access-point-geolocation.html","timestamp":"2014-04-17T15:43:19Z","content_type":null,"content_length":"33550","record_id":"<urn:uuid:67f3f5c8-42e3-4798-9e36-2637fcfa5ff6>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00428... |
Sudbury Algebra 2 Tutor
Find a Sudbury Algebra 2 Tutor
...My tutoring work for the Lexington public school system for 14 years was run, for most of those years, by the Special Education department. As result, I have worked with students with all sorts
of special circumstances: Dyslexia, ADD/ADHS, Hearing loss, vari... | {"url":"http://www.purplemath.com/Sudbury_Algebra_2_tutors.php","timestamp":"2014-04-20T16:14:57Z","content_type":null,"content_length":"24063","record_id":"<urn:uuid:8c2be11d-2d2b-4cdd-8588-bbe2663b5cd1>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-00510-ip-10-147-4-33.ec2.internal... |
finding this limit
September 29th 2007, 03:50 PM #1
Junior Member
Sep 2007
finding this limit
I have to find the limits for a whole bunch of sequences and this one has stumped me.
Find the limit as n approaches infinity of n(1 - (1 - (1/n))^(1/k)) where k is a fixed natural number.
Just for clarificatio... | {"url":"http://mathhelpforum.com/calculus/19712-finding-limit.html","timestamp":"2014-04-19T16:01:37Z","content_type":null,"content_length":"44832","record_id":"<urn:uuid:74a82123-eefb-4776-9b59-fef2dac8c37c>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00607-ip-10-147-4-33.ec2.inter... |
Brisbane Algebra 1 Tutor
...Before earning my credential, I spent 3 years working with special needs students as a paraeducator in an inclusion program. These students were mainstreamed in general education classes at an
elementary school in Davis, CA. This included modifying and adapting coursework in all subject ... | {"url":"http://www.purplemath.com/brisbane_ca_algebra_1_tutors.php","timestamp":"2014-04-16T22:09:44Z","content_type":null,"content_length":"24034","record_id":"<urn:uuid:1e54e440-2a24-45a0-ae2e-2c61a77bdad5>","cc-path":"CC-MAIN-2014-15/segments/1398223206147.1/warc/CC-MAIN-20140423032006-00006-ip-10-147-4-33.ec2.inter... |
Mathematical Theology
Mathematical Theology
by Sarah Voss
Guests in our home are often startled to find a large mannequin sitting on our sofa. Unless I draw their attention to it, most people overlook the inscription on Jonesy's T-shirt, which pretty much
sums up (humorously, but also seriously) what I mean by "mathema... | {"url":"http://www.uuworld.org/2003/03/interpretation.html","timestamp":"2014-04-21T04:33:15Z","content_type":null,"content_length":"9816","record_id":"<urn:uuid:c2940d80-831b-44bd-9926-038df68c1e4c>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00028-ip-10-147-4-33.ec2.internal.warc... |
Linear Algebra has me stumped
April 6th 2013, 10:33 AM #1
Apr 2013
Linear Algebra has me stumped
Hi I am new to this forum and I would like to say that normally I am very good at math, I actually too Calculus 1 and 2 in High school and would have taken more if I had the time.
Anyways onto my question(s). I ... | {"url":"http://mathhelpforum.com/advanced-algebra/216812-linear-algebra-has-me-stumped.html","timestamp":"2014-04-16T04:28:26Z","content_type":null,"content_length":"69358","record_id":"<urn:uuid:43837ebe-4e21-4138-9cc5-f69c8092e635>","cc-path":"CC-MAIN-2014-15/segments/1397609521512.15/warc/CC-MAIN-20140416005201-0031... |
Definition of Derivatives
The Engineer
posted on October 23, 2006 |
| 8836 views
1st The derivative of a function describes how changes in one variable are related to changes in another. One representation of this concept in geometry is in the slope of the tangent to a
Derivative curve. The derivative of a f... | {"url":"http://www.engineering.com/Library/ArticlesPage/tabid/85/ArticleID/124/categoryId/11/Definition-of-Derivatives.aspx","timestamp":"2014-04-19T10:01:00Z","content_type":null,"content_length":"42788","record_id":"<urn:uuid:1d83185b-a5ea-4aec-bd52-cc737d7aa80a>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/... |
Linear multistep method -- finding limit
November 6th 2011, 05:48 PM #1
Junior Member
Oct 2010
Linear multistep method -- finding limit
I've managed to show it is zero stable and not consistent, and that it is not convergent because zero-stable + consistent = convergent. Now I'm stuck with the part brackete... | {"url":"http://mathhelpforum.com/differential-geometry/191327-linear-multistep-method-finding-limit.html","timestamp":"2014-04-21T13:16:16Z","content_type":null,"content_length":"29386","record_id":"<urn:uuid:07961b28-d2d5-4e3b-a8c1-6a16b299bc14>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-201404... |
Homework Help
Posted by Nicole on Thursday, April 7, 2011 at 7:18pm.
An architect is designing a public storage building with 2 different sized storage units the ceilings are 8 feet high in each storage unit
a. All storage units have square floors the volume will be 1800 what are the dimensions of each small unit
b. Th... | {"url":"http://www.jiskha.com/display.cgi?id=1302218280","timestamp":"2014-04-19T12:38:38Z","content_type":null,"content_length":"9770","record_id":"<urn:uuid:844f4efb-8fdc-4ef5-9bab-82d1ecd3d274>","cc-path":"CC-MAIN-2014-15/segments/1397609537186.46/warc/CC-MAIN-20140416005217-00581-ip-10-147-4-33.ec2.internal.warc.gz... |
Epsilon (uppercase ?, lowercase ?) is the fifth letter of the Greek alphabet, corresponding phonetically to a close-mid front unrounded vowel /e/. In the system of Greek numerals it has a value of 5.
It was derived from the Phoenician letter He . Letters that arose from Epsilon include the Roman E and Cyrillic Ye."Epsi... | {"url":"http://www.sonorika.co.uk/epsilon","timestamp":"2014-04-19T14:40:04Z","content_type":null,"content_length":"36624","record_id":"<urn:uuid:6d4f45cb-8e77-40bb-bb84-e329d50d049a>","cc-path":"CC-MAIN-2014-15/segments/1397609537271.8/warc/CC-MAIN-20140416005217-00623-ip-10-147-4-33.ec2.internal.warc.gz"} |
Moment of inertia tensor of hollow cone
1. The problem statement, all variables and given/known data
Find the inertia tensor for a uniform, thin hollow cone, such as an ice cream cone, of mass M, height h, and base radius R, spinning about its pointed end.
2. Relevant equations
[itex]I_{zz} = \sum x^{2}+y^{2}[/itex]
[i... | {"url":"http://www.physicsforums.com/showthread.php?p=3814584","timestamp":"2014-04-17T18:40:55Z","content_type":null,"content_length":"32663","record_id":"<urn:uuid:e866fdb6-b85a-4f2f-a33f-c077b2d11a20>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00401-ip-10-147-4-33.ec2.internal.... |
Computational Complexity
Given the
saturday's post
, perhaps we should discuss the P versus NP question. I shouldn't have to explain the great importance of the P versus NP question to the readers of this web log, but people often wonder when it will
be proved.
Like most complexity theorists, I strongly believe that P ... | {"url":"http://blog.computationalcomplexity.org/2003/01/when-will-we-show-p-np.html","timestamp":"2014-04-18T02:58:12Z","content_type":null,"content_length":"145298","record_id":"<urn:uuid:524fe141-fc7c-4a0c-8beb-c90834ef939f>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00341-ip-10-... |
Homework Help
Posted by Cody on Monday, February 6, 2012 at 3:07pm.
A projectile is launched with an initial velocity of 25 m/s at a launch angle of 36
degrees. What is the magnitude of the projectile’s velocity when it is 7.5 m above the ground?
• kinematics - MathMate, Monday, February 6, 2012 at 4:10pm
v0=25 m... | {"url":"http://www.jiskha.com/display.cgi?id=1328558869","timestamp":"2014-04-19T17:12:21Z","content_type":null,"content_length":"9323","record_id":"<urn:uuid:d493d554-e4a2-4a58-91c3-435045971f29>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00083-ip-10-147-4-33.ec2.internal.warc.gz"... |
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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Pos... | {"url":"http://www.mathisfunforum.com/post.php?tid=18679&qid=245887","timestamp":"2014-04-19T02:14:28Z","content_type":null,"content_length":"23408","record_id":"<urn:uuid:6939282b-6984-4a36-94db-0bd15f3eee22>","cc-path":"CC-MAIN-2014-15/segments/1397609535745.0/warc/CC-MAIN-20140416005215-00181-ip-10-147-4-33.ec2.inte... |
Subset-Free Codes
up vote 0 down vote favorite
For each non-negative integer $n$, what antichain(s) in $\{0,1\}^n$ with the pointwise partial order:
$\;\;$ 1. $\;$ have the most elements
$\;\;$ 2. $\;$ minimize the maximum of its elements' sum of coordinates, among those satisfying (1)
The obvious candidate... | {"url":"http://mathoverflow.net/questions/84550/subset-free-codes","timestamp":"2014-04-16T07:35:06Z","content_type":null,"content_length":"50151","record_id":"<urn:uuid:ff91b3d2-e725-416c-b61e-93b5f8d23ea9>","cc-path":"CC-MAIN-2014-15/segments/1397609521558.37/warc/CC-MAIN-20140416005201-00630-ip-10-147-4-33.ec2.inter... |
Absorbing Markov Chain
October 31st 2012, 03:26 AM #1
Sep 2012
Viet Nam
Absorbing Markov Chain
You have five fair coins. You toss them all so that they randomly fall heads or tails. Those that fall tails in the first toss you pick up and toss again. You toss again those that show tails
after the second ... | {"url":"http://mathhelpforum.com/statistics/206462-absorbing-markov-chain.html","timestamp":"2014-04-17T14:16:13Z","content_type":null,"content_length":"33129","record_id":"<urn:uuid:3e72ea3b-3e5a-4760-bdd0-92cf3d7f8464>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00443-ip-10-147-4... |
Outcomes and Events Examples Page 1
If you flip a fair coin, what is the probability of getting heads?
The probability is the number of favorable outcomes over the number of possible outcomes, or
Since there's only one way a coin can come up heads, and two possible outcomes from any coin flip (heads or tails), the prob... | {"url":"http://www.shmoop.com/probability-statistics/outcomes-events-examples.html","timestamp":"2014-04-21T00:31:17Z","content_type":null,"content_length":"37265","record_id":"<urn:uuid:b97a32a2-5230-43b4-aca1-c16a050a2bfa>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00136-ip-10-1... |
Theory and Cryptography
Math 342: Algebra, Coding Theory and Cryptography
Fall Term 2011
Lior Silberman
General Information
• Office: MATH 229B, 604-827-3031
• Email: "lior" (at) Math.UBC.CA (please include the course number in the subject line, if applicable)
• Office Hours (Spring 2013): Mondays 12:00-13:00 and... | {"url":"http://www.math.ubc.ca/~lior/teaching/1112/342_F11/","timestamp":"2014-04-20T00:39:11Z","content_type":null,"content_length":"5573","record_id":"<urn:uuid:ceb25c2b-8754-4c39-886f-2458164afa28>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00151-ip-10-147-4-33.ec2.internal.warc... |
Calculate This!
By Bill Pride
Printed in Practical Homeschooling #74, 2007.
By far, the most significant innovation to come along in elementary school math is the widespread use of calculators. Some people, in fact, have advocated eliminating the teaching of arithmetic
altogether. Th... | {"url":"https://www.home-school.com/Articles/calculate-this.php","timestamp":"2014-04-17T03:54:22Z","content_type":null,"content_length":"39326","record_id":"<urn:uuid:d747bc41-bf4f-4099-9b42-c04d79018632>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00488-ip-10-147-4-33.ec2.internal... |
universal enveloping algebras and commutator subalgebras
up vote 1 down vote favorite
Let $A$ and $B$ are Lie subalgebras of a Lie algebra $L$. $U(A)$, $U(B)$ and $U(L)$ are the universal enveloping algebras of $A$, $B$ and $L$, respectively. Let $[A, B]$ be the Lie subalgebras
generated by the set {$[a, b]:a\in A, b\i... | {"url":"http://mathoverflow.net/questions/129285/universal-enveloping-algebras-and-commutator-subalgebras","timestamp":"2014-04-17T22:47:06Z","content_type":null,"content_length":"53375","record_id":"<urn:uuid:7b9b5332-f5d1-40e6-9a46-f2daf0fa89da>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140... |
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Topic: diff eq
Replies: 8 Last Post: Apr 11, 2013 2:27 AM
Messages: [ Previous | Next ]
diff eq
Poste... | {"url":"http://mathforum.org/kb/message.jspa?messageID=8863565","timestamp":"2014-04-21T12:27:41Z","content_type":null,"content_length":"26198","record_id":"<urn:uuid:d07a8e67-6afb-46ea-82bc-50dea5ee32df>","cc-path":"CC-MAIN-2014-15/segments/1397609539776.45/warc/CC-MAIN-20140416005219-00037-ip-10-147-4-33.ec2.internal... |
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Topic: Prime Factorization
Replies: 2 Last Post: Nov 27, 1996 7:04 PM
Messages: [ Previous | Next ]
Pr... | {"url":"http://mathforum.org/kb/thread.jspa?threadID=179370","timestamp":"2014-04-17T19:20:14Z","content_type":null,"content_length":"18594","record_id":"<urn:uuid:02d6b60e-ec02-4152-85cc-fdc7c764eb2e>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-20140416005210-00433-ip-10-147-4-33.ec2.internal.wa... |
Complex Numbers
Using the Theorem: exp^i(theta) = cos(theta) + i*sin(theta) Show that: log(-abs(x)) = log(abs(x)) + i*pi
Hello, superdael! Using the theorem: . e^{iθ} .= .cosθ + i·sinθ show that: .ln(-|x|). = .ln(|x| + i·π In the theorem, let θ = π . . and we have: .e^{i·π} .= .cos(π) + i·sin(π) .= .-1 Hence: .ln(-1) =... | {"url":"http://mathhelpforum.com/calculus/11844-complex-numbers.html","timestamp":"2014-04-20T07:40:11Z","content_type":null,"content_length":"35522","record_id":"<urn:uuid:421d1349-47da-4b07-898a-98f162e0ce4b>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00633-ip-10-147-4-33.ec2.int... |
complex integrals
January 27th 2010, 12:44 PM
complex integrals
I wonder if someone can help me solve:
1.what are the singularic points of f(z)
2.how to solve the integral
January 27th 2010, 05:31 PM
mr fantastic
January 27th 2010, 11:04 PM
i still not so understand why it is a pol in order 3?
and a... | {"url":"http://mathhelpforum.com/differential-geometry/125783-complex-integrals-print.html","timestamp":"2014-04-16T12:10:16Z","content_type":null,"content_length":"5358","record_id":"<urn:uuid:8c4eac77-ed3e-4849-8818-c960197f8068>","cc-path":"CC-MAIN-2014-15/segments/1397609523265.25/warc/CC-MAIN-20140416005203-00054-... |
Element in a Set
February 22nd 2010, 05:17 PM
Element in a Set
Let A and B be nonempty sets, and let $(x,y) \in A \times B$.
$(x,y) \in A \times B \Rightarrow x \in A$ and $y \in B$ is logically correct.
Now if C and D are nonempty sets, and that $(c,d) otin C \times D$.
Will the following be true?
... | {"url":"http://mathhelpforum.com/discrete-math/130213-element-set-print.html","timestamp":"2014-04-19T23:12:59Z","content_type":null,"content_length":"17492","record_id":"<urn:uuid:7d1ea119-ad3b-4f2b-9fe6-d204ba973e51>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00135-ip-10-147-4-3... |
Doppler Speed and Drift-angle Meters for Aircraft
Translation Division, Foreign Technology Division
, 1966 -
253 pages
In the book are expounded design principles of different Doppler speed and drift-angle meters for aircraft (GSDA) applied in practice, theoretical bases of operation of Doppler meters and
peculiariti... | {"url":"http://books.google.com/books?id=RXtGAAAAYAAJ&q=slotted-waveguide+antennas&dq=related:OCLC9928974&source=gbs_word_cloud_r&cad=5","timestamp":"2014-04-19T18:42:45Z","content_type":null,"content_length":"103888","record_id":"<urn:uuid:711977a7-db06-4ca0-88ed-f3a005e35843>","cc-path":"CC-MAIN-2014-15/segments/1397... |
dailysudoku.com :: View topic - what governs difficulty?
Author Message
dagoldlin Posted: Thu Oct 27, 2005 5:57 pm Post subject: what governs difficulty? ... | {"url":"http://www.dailysudoku.com/sudoku/forums/viewtopic.php?t=233","timestamp":"2014-04-18T13:21:26Z","content_type":null,"content_length":"41335","record_id":"<urn:uuid:8d8e94b6-b605-40e3-b6cf-1a7b0448a1a0>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00581-ip-10-147-4-33.ec2.in... |
Erik's Chemistry: Significant Digit Rules
Significant Digit Rules
Back To Erik's Chemistry: Main Page
1. The number of significant digits recorded fo... | {"url":"http://eppe.tripod.com/sigfigs.htm","timestamp":"2014-04-20T18:23:47Z","content_type":null,"content_length":"21588","record_id":"<urn:uuid:87cbfd04-e6ff-45cd-93d8-3b7790d84f9a>","cc-path":"CC-MAIN-2014-15/segments/1398223206120.9/warc/CC-MAIN-20140423032006-00494-ip-10-147-4-33.ec2.internal.warc.gz"} |
Introduction to Computer Science
CSCI 170-01 (Goldweber)
Spring 2011 Semester
The course syllabus.
Instructor's Home Page and current schedule.... | {"url":"http://www.cs.xu.edu/csci170/11s/","timestamp":"2014-04-19T04:20:50Z","content_type":null,"content_length":"14374","record_id":"<urn:uuid:7a44d760-aaa9-4943-8bf5-230c4f32f2d3>","cc-path":"CC-MAIN-2014-15/segments/1398223204388.12/warc/CC-MAIN-20140423032004-00019-ip-10-147-4-33.ec2.internal.warc.gz"} |
hangroot: module creating a hanging rootogram or suspended rootogram comparing an empirical distribution to a theoretical distribution
Author: Maarten L. Buis
hangroot creates a hanging rootogram or a suspended rootogram (Tukey 1973, 1977, Wainer 1974). The hanging rootogram compares a theoretical distribution with an ... | {"url":"http://www.maartenbuis.nl/software/hangroot.html","timestamp":"2014-04-19T09:24:31Z","content_type":null,"content_length":"32659","record_id":"<urn:uuid:8a441ee1-7d69-48ef-b02b-44435f5a2290>","cc-path":"CC-MAIN-2014-15/segments/1398223202774.3/warc/CC-MAIN-20140423032002-00093-ip-10-147-4-33.ec2.internal.warc.g... |
st: How to Correctly Structure a CSV before Loading it into STATA
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/2010-05/msg01412.html","timestamp":"2014-04-16T07:54:54Z","content_type":null,"content_length":"10218","record_id":"<urn:uuid:4cd5426d-fb1f-4017-89f9-0e2c3256da0f>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00052-ip-10-147-4-33.ec2.int... |
Lipschitz condition
October 19th 2009, 03:46 PM #1
Apr 2009
Lipschitz condition
Does the function F(x,y) = xy^(1/3) satisfy a Lipschitz condition on the rectangle {(x,y) : |x|≤h, |y|≤k}?
I understand a function being Lipschitz to mean that there exists a positive constant A such that:
|f(x,y_1) - f(x,y_... | {"url":"http://mathhelpforum.com/differential-equations/109082-lipschitz-condition.html","timestamp":"2014-04-25T07:41:20Z","content_type":null,"content_length":"33832","record_id":"<urn:uuid:f8ec0dc7-543e-44be-a286-c8690fbcd9a9>","cc-path":"CC-MAIN-2014-15/segments/1398223211700.16/warc/CC-MAIN-20140423032011-00609-ip... |
Basic Math for Adults/Measurements
From Wikibooks, open books for an open world
Converting English Measurements[edit]
Here are some conversions that you should know in the English system:
1 foot = 12 inches
1 yard = 3 feet
1 mile = 5280 feet
1 gallon = 16 cups
1 gallon = 4 quarts
The Metric System[edit]
Metric system i... | {"url":"http://en.wikibooks.org/wiki/Basic_Math_for_Adults/Measurements","timestamp":"2014-04-19T17:02:02Z","content_type":null,"content_length":"31952","record_id":"<urn:uuid:d48d4629-f10e-433c-8fa7-f1a1f38168fa>","cc-path":"CC-MAIN-2014-15/segments/1397609537308.32/warc/CC-MAIN-20140416005217-00597-ip-10-147-4-33.ec2... |
-Electric Potential due to Continuous Charge Distributions
Download Policy: Content on the Website is provided to you AS IS for your information and personal use only and may not be sold or licensed nor shared on other sites. SlideServe reserves the right to
change this policy at anytime. While downloading, If for som... | {"url":"http://www.slideserve.com/saman/electric-potential-due-to-continuous-charge-distributions","timestamp":"2014-04-18T18:12:24Z","content_type":null,"content_length":"56250","record_id":"<urn:uuid:7a323138-8203-4244-aee8-96a923c71d57>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-2014042303200... |
Golf, FL SAT Math Tutor
Find a Golf, FL SAT Math Tutor
...Regardless of subject, this is my goal with each of my students. -- After graduating from Western Washington University with a B.A. degree in English (creative writing emphasis) and a minor in
psychology, spending a winter on the slopes in Aspen while co-man... | {"url":"http://www.purplemath.com/golf_fl_sat_math_tutors.php","timestamp":"2014-04-19T20:21:18Z","content_type":null,"content_length":"23985","record_id":"<urn:uuid:bfcf6838-8939-46bd-8057-bb0974e86b93>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00585-ip-10-147-4-33.ec2.internal.... |
Voronoi Diagrams and Delaunay Triangulations
David Mount of the University of Maryland has graciously let me include excerpts from his course notes here: (See his course page for all of his notes.)
Dave Mount's lecture notes on Voronoi Diagrams.
There are currently no notes for the seep line algorithm I described i... | {"url":"http://www.cs.cmu.edu/afs/cs.cmu.edu/academic/class/15750-s01/www/notes/voronoi.html","timestamp":"2014-04-20T16:15:36Z","content_type":null,"content_length":"1913","record_id":"<urn:uuid:79161f83-5779-4200-b5fb-598a43275271>","cc-path":"CC-MAIN-2014-15/segments/1397609538824.34/warc/CC-MAIN-20140416005218-0050... |
Joint probability problem
October 13th 2010, 06:03 AM #1
Junior Member
Apr 2009
I am almost lost with this problem since I have a very basic idea about joint probabilities.
Random variables X and Y are uniformly distributed in the triangular region $0<=y<=x<=1$. Find fxy(x,y), the joint probability density ... | {"url":"http://mathhelpforum.com/statistics/159450-joint-probability-problem.html","timestamp":"2014-04-18T15:28:16Z","content_type":null,"content_length":"32974","record_id":"<urn:uuid:2790844a-563b-43f6-a59c-9273151c1d84>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00225-ip-10-14... |
If a representation has enough reductive stabilizers, is it a direct sum of characters?
up vote 8 down vote favorite
Suppose $G\to GL(V)$ is a linear representation of an irreducible algebraic group over a field $k$.
Suppose $C\subseteq V$ is a $G$-invariant closed cone that spans $V$, and that the stabilizer of an... | {"url":"http://mathoverflow.net/questions/59515/if-a-representation-has-enough-reductive-stabilizers-is-it-a-direct-sum-of-char","timestamp":"2014-04-19T10:32:40Z","content_type":null,"content_length":"74559","record_id":"<urn:uuid:1ac2ac14-b845-4022-8f5e-aed5678edce5>","cc-path":"CC-MAIN-2014-15/segments/1397609537097... |
Linked List MCQ : Operations on Linked List (Multiple Choice Questions)
Congratulations - you have completed Data Structure.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
In Linked list implementation, a node carries information regarding ______... | {"url":"http://www.c4learn.com/mcq/data-structure-mcq/operations-on-linked-list-multiple-choice-questions/","timestamp":"2014-04-17T18:37:14Z","content_type":null,"content_length":"55789","record_id":"<urn:uuid:2a94329d-37d8-4124-9e4b-34ed7f56b344>","cc-path":"CC-MAIN-2014-15/segments/1397609530895.48/warc/CC-MAIN-2014... |
Big 100: Physics : Science Channel
Big 100: Physics
1. The Law of Falling Bodies (1604)
Galileo Galilei overturns nearly 2,000 years of Aristotelian belief that heavier bodies fall faster than lighter ones by proving that all bodies fall at the same rate.
2. Universal Gravitation (1666)
Isaac Newton comes to the conclu... | {"url":"http://www.sciencechannel.com/famous-scientists-discoveries/big-100-physics.htm","timestamp":"2014-04-21T04:37:47Z","content_type":null,"content_length":"43505","record_id":"<urn:uuid:2ae44c5a-1e6b-452e-aa57-02b4bece42f5>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-00379-ip... |
For the function, find all critical points or determine that no such points exist.
We find the derivative using the quotient rule.
The derivative f'(x) is undefined when x ≤ 0, but since we're only looking at the function f for x > 0, we don't find any critical points because f'(x) is undefined. To find where f'(x) = 0... | {"url":"http://www.shmoop.com/second-derivatives/critical-points-exercises-3.html","timestamp":"2014-04-17T16:16:47Z","content_type":null,"content_length":"27696","record_id":"<urn:uuid:0743d47f-0802-4037-95f7-2e813baccff4>","cc-path":"CC-MAIN-2014-15/segments/1398223203235.2/warc/CC-MAIN-20140423032003-00052-ip-10-147... |
Singular Value Decomposition
Next: Generalized Symmetric Definite Eigenproblems Up: Computational Routines Previous: Invariant Subspaces and Condition   Contents   Index
Singular Value Decomposition
Let A be a general real m-by-n matrix. The singular value decomposition (SVD) of A is the factorization U a... | {"url":"http://www.netlib.org/lapack/lug/node53.html","timestamp":"2014-04-18T10:56:13Z","content_type":null,"content_length":"17190","record_id":"<urn:uuid:cdf267bd-9314-48cf-961c-5cee9c7f5f1a>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00648-ip-10-147-4-33.ec2.internal.warc.gz"} |
Factor the following trinomial:
t^2 + 4t -2Show all work - Homework Help - eNotes.com
Factor the following trinomial:
t^2 + 4t -2
Show all work
t^2 + 4t -2
= t^2 +2x2t + 2^2 - 6
= (t+2)^2 - 6
= (t+2)^2 - (√6)^2
= (t+2+ √6) x (t+2 -√6)
If you look at the discriminant of the trinomial `t^2+4t-2` , we get `D=4^2-4(-2)=... | {"url":"http://www.enotes.com/homework-help/factor-following-trinomial-t-2-4t-2-354740","timestamp":"2014-04-24T06:19:02Z","content_type":null,"content_length":"27073","record_id":"<urn:uuid:b04f2956-9d56-46db-9316-99fef62c7b0c>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00306-ip-1... |
C# Parse
I'm having trouble converting input from a text box to a double. I tried two different ways to code and I get errors (invalid arguments) for both ways. I know I'm headed in the right direction..
where am I off? I underlined where I'm getting the errors.
private void btnVolumeCalculate_Click(object sender, ... | {"url":"http://www.dreamincode.net/forums/topic/310866-c%23-parse-question/page__pid__1795536__st__0","timestamp":"2014-04-20T13:54:36Z","content_type":null,"content_length":"99446","record_id":"<urn:uuid:f8098069-060f-4bac-a1a9-bc3ce5c1e7fb>","cc-path":"CC-MAIN-2014-15/segments/1397609538787.31/warc/CC-MAIN-2014041600... |
Minimum Material Dimensions of a Box
October 26th 2010, 03:48 PM #1
Oct 2010
Minimum Material Dimensions of a Box
A company wishes to manufacture a box with a volume of 36 ft^3 that is open on top and is twice as long as it is wide. Find the dimensions of the box produced from the minimum amount of material.
... | {"url":"http://mathhelpforum.com/calculus/161075-minimum-material-dimensions-box.html","timestamp":"2014-04-18T19:57:38Z","content_type":null,"content_length":"51150","record_id":"<urn:uuid:9960febc-01e9-4375-b7cb-17b1171898ff>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00226-ip-10... |
Kolmogorov complexity theory over the reals
Wouter M. Koolen and Martin Ziegler
Electronic Notes in Theoretical Computer Science Number 221, , 2008.
Kolmogorov Complexity constitutes an integral part of computability theory, information theory, and computational complexity theory—in the discrete setting of bits and Tur... | {"url":"http://eprints.pascal-network.org/archive/00004949/","timestamp":"2014-04-21T10:00:43Z","content_type":null,"content_length":"5979","record_id":"<urn:uuid:88271f8b-502c-418d-a6db-2b9b7df8b9e6>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00080-ip-10-147-4-33.ec2.internal.war... |
Evesham Twp, NJ Algebra Tutor
Find an Evesham Twp, NJ Algebra Tutor
...I have a bachelor's in mathematics (with a minor in physics) from Rutgers University (go RU!) and a master's in mathematics education from the Graduate School of Education at Rutgers. It was
at college that I first began tutoring and discovered ... | {"url":"http://www.purplemath.com/Evesham_Twp_NJ_Algebra_tutors.php","timestamp":"2014-04-21T02:40:56Z","content_type":null,"content_length":"24117","record_id":"<urn:uuid:18e565eb-1aa8-4501-889d-d4e78bdb6804>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005219-00245-ip-10-147-4-33.ec2.int... |
Blowout Bifurcation and On-off Intermittency
Let's consider the two coupled Lorenz systems (x[1], y[1], z[1]) and (x[2], y[2], z[2]) written as
where g is the coupling strength. The parameters are fixed as sigma=10, r=8/3, and b=28, which are identical values with this page.
When the coupling strength g is sufficiently... | {"url":"http://brain.cc.kogakuin.ac.jp/~kanamaru/Chaos/e/Blowout/","timestamp":"2014-04-16T18:57:52Z","content_type":null,"content_length":"6719","record_id":"<urn:uuid:2f031d97-e507-4b1a-9fc0-6c2f53441b0f>","cc-path":"CC-MAIN-2014-15/segments/1397609524644.38/warc/CC-MAIN-20140416005204-00302-ip-10-147-4-33.ec2.intern... |
References regarding a connection between recursion theory and sheaves
up vote 7 down vote favorite
In Manin's A Course in Mathematical Logic for Mathematicians, he defines (p.201) a structure $(\mathcal{E},R)$ given an enumerable set $E \subset (\mathbb{Z}^+)^n$ by:
1. $\mathcal{E}$ is the set of all enumerable subse... | {"url":"http://mathoverflow.net/questions/25287/references-regarding-a-connection-between-recursion-theory-and-sheaves","timestamp":"2014-04-19T10:30:25Z","content_type":null,"content_length":"46775","record_id":"<urn:uuid:27b0c092-eb43-46ec-b769-a3c35f1ddd6f>","cc-path":"CC-MAIN-2014-15/segments/1397609537097.26/warc/... |
Algebra 1 Tutor -- Fractions Thru Algebra 1 -- 10 Hour Course!
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• Learn with step-by-step worked Algebra Problems.
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Convergence: The domain and radius
April 23rd 2007, 09:41 AM #1
Jul 2005
Convergence: The domain and radius
I did the following calculations.
I need to find the domain and radius.
I think the radius is (-R,R) AKA (-2,2).
What is the domain ? I think it should be in the form of (a-R,a+R). If, how do ... | {"url":"http://mathhelpforum.com/calculus/14086-convergence-domain-radius.html","timestamp":"2014-04-19T20:13:28Z","content_type":null,"content_length":"33291","record_id":"<urn:uuid:09dbf2e4-e11f-4972-8f61-505c551259d5>","cc-path":"CC-MAIN-2014-15/segments/1397609537376.43/warc/CC-MAIN-20140416005217-00028-ip-10-147-4... |
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Select all of the symbols that would make the comparison true.... | {"url":"http://openstudy.com/updates/50eb5e3ee4b0d4a537cc8350","timestamp":"2014-04-21T00:07:12Z","content_type":null,"content_length":"34733","record_id":"<urn:uuid:c9e8bcef-0eb6-43de-b495-56f3a5767153>","cc-path":"CC-MAIN-2014-15/segments/1397609539337.22/warc/CC-MAIN-20140416005219-00656-ip-10-147-4-33.ec2.internal.... |
Not the usual channels
Coding theory
Not the usual channels
How to transmit information reliably
ON JULY 1st, a spacecraft called Cassini went into orbit around Saturn—the first probe to visit the planet since 1981. While the rockets that got it there are surely impressive, just as impressive,
and much neglected, is th... | {"url":"http://www.economist.com/node/2876932/print","timestamp":"2014-04-19T00:38:43Z","content_type":null,"content_length":"64280","record_id":"<urn:uuid:7f022c1d-9339-45e5-a56a-381edf7e0299>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00017-ip-10-147-4-33.ec2.internal.warc.gz"} |
Series Question
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Michael Posted: Thu Jul 07, 2005 10:56 pm Post subject: ... | {"url":"http://sci4um.com/post-310120---Tue-Jun-27--2006-11-44-pm.html","timestamp":"2014-04-21T07:12:42Z","content_type":null,"content_length":"62149","record_id":"<urn:uuid:ebe7a62b-8b8b-435f-a19c-093b165c82c6>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00270-ip-10-147-4-33.ec2.... |
String counting questions
February 25th 2010, 10:17 AM #1
Jan 2010
String counting questions
There are two parts to this one. They are listed word for word.
1. How many 12 lowercase letter strings are there that contain at least 2 vowels (a vowel is one of {a,e,i,o,u})?
2. How many bit strings
... | {"url":"http://mathhelpforum.com/discrete-math/130762-string-counting-questions.html","timestamp":"2014-04-16T09:06:29Z","content_type":null,"content_length":"40712","record_id":"<urn:uuid:c55dc2fc-2bb4-4e5f-8e9b-b809248c8753>","cc-path":"CC-MAIN-2014-15/segments/1397609535095.7/warc/CC-MAIN-20140416005215-00370-ip-10-... |
Apparent Depth Real Depth
Picture shows the difference between the real depth and apparent depth of the object under water. We see the objects closer than their real depth to the surface. We see objects only if the rays
coming from them reaches our eyes. In this picture, ray coming from the fish reaches the observer’s ... | {"url":"http://www.physicstutorials.org/home/optics/physics-formulasopticscheatsheet/73-apparent-depth-real-depth","timestamp":"2014-04-20T00:38:25Z","content_type":null,"content_length":"18596","record_id":"<urn:uuid:6b2444b6-6957-4dda-8951-fb3ee32736ec>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAI... |
Stieltjes Transform of $F^{*}PF$ as a function of the Stieltjes Transform of $P$ where $F$ is drawn from an $n \times n$ Gaussian-like random matrix distribution
up vote 2 down vote favorite
I am trying to calculate the Stieltjes Transform of $F^{*}PF$ as a function of the Stieltjes Transform of $P$ where $F$ is drawn ... | {"url":"http://mathoverflow.net/questions/72039/stieltjes-transform-of-fpf-as-a-function-of-the-stieltjes-transform-of-p?sort=votes","timestamp":"2014-04-21T04:34:54Z","content_type":null,"content_length":"52429","record_id":"<urn:uuid:077631cf-556d-4145-83d1-dc0b931fb04b>","cc-path":"CC-MAIN-2014-15/segments/139822321... |
[Numpy-discussion] Re: [Python-Dev] RE: Possible bug (was Re: numpy, overflow, inf, ieee, and rich comparison)
Thomas Wouters thomas at xs4all.net
Thu Oct 12 03:11:57 CDT 2000
On Wed, Oct 11, 2000 at 10:44:20PM -0400, Tim Peters wrote:
> > Likewise sqrt(-1.) needs to stop, not put a zero and keep going.
> Nobody has pr... | {"url":"http://mail.scipy.org/pipermail/numpy-discussion/2000-October/012654.html","timestamp":"2014-04-19T07:33:44Z","content_type":null,"content_length":"4410","record_id":"<urn:uuid:c374295c-67ab-4ffd-9e2c-1ee441198747>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00663-ip-10-147-... |
Discrete Mathematics & Theoretical Computer Science
Volume 4 n° 2 (2001), pp. 133-138
author: C. R. Subramanian
title: Paths of specified length in random k-partite graphs
keywords: random graphs, paths, bijections
abstr... | {"url":"http://www.dmtcs.org/dmtcs-ojs/index.php/dmtcs/article/viewArticle/142/396","timestamp":"2014-04-19T22:08:34Z","content_type":null,"content_length":"14928","record_id":"<urn:uuid:a3ed82c7-1019-447e-82a7-ead4dd049095>","cc-path":"CC-MAIN-2014-15/segments/1397609537754.12/warc/CC-MAIN-20140416005217-00059-ip-10-1... |
Signals & Systems For Dummies
Cheat Sheet
Signals & Systems For Dummies
Signals and systems is an aspect of electrical engineering that applies mathematical concepts to the creation of product design, such as cell phones and automobile cruise control systems. Absorbing
the core concepts of signals and systems requires ... | {"url":"http://www.dummies.com/how-to/content/signals-systems-for-dummies-cheat-sheet.navId-323259.html","timestamp":"2014-04-16T14:04:57Z","content_type":null,"content_length":"59630","record_id":"<urn:uuid:5f520152-9678-4bb1-8692-ac0effc2c936>","cc-path":"CC-MAIN-2014-15/segments/1397609523429.20/warc/CC-MAIN-2014041... |
Condensed Matter Seminar
Condensed Matter Seminar Series
Residual Coulomb Interaction Fluctuations in Chaotic Systems: The Boundary, Random Plane Waves, and Semiclassical Theory
Denis Ullmo
CNRS & Université Paris Sud, Orsay France
Thursday October 25, 11:30 am, Room 298, Physics Building
Abstract: New fluctuation prop... | {"url":"http://www.phy.duke.edu/~cmseminar/cmseminar0708/ullmo.html","timestamp":"2014-04-19T05:25:49Z","content_type":null,"content_length":"2786","record_id":"<urn:uuid:cbf8b24e-1ca1-4410-9679-d46a0f81e636>","cc-path":"CC-MAIN-2014-15/segments/1397609535775.35/warc/CC-MAIN-20140416005215-00562-ip-10-147-4-33.ec2.inte... |
Bend it like Beckham
Despite being in the twilight of an illustrious career, few footballers are more recognisable that David Beckham. Whether playing for Manchester United, Real Madrid, AC Milan, LA Galaxy or England,
his ability to score from a free-kick is legendary. With many predicting that Beckham's swansong will... | {"url":"http://www.mathscareers.org.uk/viewitem.cfm-cit_id=383308.html","timestamp":"2014-04-16T13:02:28Z","content_type":null,"content_length":"15033","record_id":"<urn:uuid:022035ac-3205-4c28-931f-223ef979b0fa>","cc-path":"CC-MAIN-2014-15/segments/1398223205137.4/warc/CC-MAIN-20140423032005-00497-ip-10-147-4-33.ec2.i... |
Cambridge A Level Statistics : Exercise Problem :(
July 12th 2013, 08:36 AM #1
Junior Member
Apr 2012
Extract from "Statistics 1 - Steve Dobbs and Jane Miller (Cambridge University Press)"
I nearly work out the problem, class boundaries are all ok but two solutions from the book don't match with mine,
H... | {"url":"http://mathhelpforum.com/statistics/220523-cambridge-level-statistics-exercise-problem.html","timestamp":"2014-04-21T02:49:44Z","content_type":null,"content_length":"39153","record_id":"<urn:uuid:4fa77d3f-098c-4c4f-a373-2ffd8a4dbd70>","cc-path":"CC-MAIN-2014-15/segments/1397609539447.23/warc/CC-MAIN-20140416005... |
Whats wrong with my collision code?
I am reading the tutorial from this site, and this is what I have came up with so far.
It seams that the plane collision check is working, but my triangle check isn't working, the angle is never greater than .2 when it should be 2pi. My brain is fried after learning so much in 2 days... | {"url":"http://idevgames.com/forums/thread-6784.html","timestamp":"2014-04-18T23:50:28Z","content_type":null,"content_length":"85101","record_id":"<urn:uuid:e67dedf2-3b73-45c5-bcbe-2c6155933b50>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00486-ip-10-147-4-33.ec2.internal.warc.gz"} |
FOM: Re: SOL confusion
Harvey Friedman friedman at math.ohio-state.edu
Sun Sep 10 10:39:54 EDT 2000
Reply to Insall 1:18AM 9/10/00:
>I guess I have chosen an unfortunate wording. What I have felt for several
>years is that all of mathematics can be done using first order logic.
Systems based on first order logic are t... | {"url":"http://www.cs.nyu.edu/pipermail/fom/2000-September/004340.html","timestamp":"2014-04-17T10:23:46Z","content_type":null,"content_length":"5227","record_id":"<urn:uuid:8beb9ae9-774b-4a89-9c12-927b0275c2ea>","cc-path":"CC-MAIN-2014-15/segments/1397609527423.39/warc/CC-MAIN-20140416005207-00059-ip-10-147-4-33.ec2.i... |
Fun with Functions
March 6th 2006, 08:10 PM #1
Mar 2006
Fun with Functions
construct a function with the x-intercepts only at x=-3 and x=4 such that the limit as x approaches infinity= infinity and the limit as x approaches negative infinity=negative infinity.
More to come. Please explain how you came to yo... | {"url":"http://mathhelpforum.com/calculus/2112-fun-functions.html","timestamp":"2014-04-16T19:15:57Z","content_type":null,"content_length":"56224","record_id":"<urn:uuid:713c9780-c1a7-4cdc-b261-424d9aa7296b>","cc-path":"CC-MAIN-2014-15/segments/1398223203422.8/warc/CC-MAIN-20140423032003-00641-ip-10-147-4-33.ec2.intern... |
Whitestone Math Tutor
Find a Whitestone Math Tutor
...People call me a "grammar nazi" and find my attention to proper spelling somewhat obsessive. My work in 16 AP classes, and high scores on both the SAT/ACT, validate my ability to perform the
skill sets tested on the GED. I received a score of 740 on the SAT Read... | {"url":"http://www.purplemath.com/Whitestone_Math_tutors.php","timestamp":"2014-04-19T02:37:21Z","content_type":null,"content_length":"23865","record_id":"<urn:uuid:5128daa9-8962-4291-b414-7a615668c3d3>","cc-path":"CC-MAIN-2014-15/segments/1398223205375.6/warc/CC-MAIN-20140423032005-00435-ip-10-147-4-33.ec2.internal.wa... |
Fraction Bar
Level Four > Number and Algebra
Fraction Bar
This unit uses one of the digital learning objects, the Fraction Bar, to support students as they investigate finding fractions of whole numbers. It is suitable for students working at Stage
7-Advanced Multiplicative or Stage 8-Advanced Proportional of the Numbe... | {"url":"http://nzmaths.co.nz/resource/fraction-bar","timestamp":"2014-04-17T21:32:22Z","content_type":null,"content_length":"33918","record_id":"<urn:uuid:d78cdf44-66c5-4252-8744-f0e32c3162db>","cc-path":"CC-MAIN-2014-15/segments/1398223207985.17/warc/CC-MAIN-20140423032007-00416-ip-10-147-4-33.ec2.internal.warc.gz"} |
The BEA published its annual revision of GDP data, including an update of GDP for the last 13 quarters.
Changes in the numbers are to be expected. Changes of the sort that actually occurred are odd, and require deeper examination.
Fortunately, this macroeconomist has a copy of the unrevised numbers for comparison.
The ... | {"url":"http://voluntaryxchange.typepad.com/voluntaryxchange/2008/07/index.html","timestamp":"2014-04-18T23:15:37Z","content_type":null,"content_length":"92054","record_id":"<urn:uuid:e79f9e01-a849-49a6-ba23-d08930881217>","cc-path":"CC-MAIN-2014-15/segments/1397609535535.6/warc/CC-MAIN-20140416005215-00349-ip-10-147-4... |
Error of narrow width approximation
Hi all,
Let me ask about what is meant that
Narrow width approximation has an error ~ ## \Gamma/m ##, is it mean
the calculations of the cross section with NWA differ by that with no approximation by ## \Gamma/m ##.
For ex. If ##\Gamma = 100 ## , m = 1000 and sigma = 10^-6, then sigm... | {"url":"http://www.physicsforums.com/showthread.php?t=724862","timestamp":"2014-04-18T10:41:38Z","content_type":null,"content_length":"19860","record_id":"<urn:uuid:fe940be3-babe-4c11-b264-a5db5e4900cb>","cc-path":"CC-MAIN-2014-15/segments/1397609533308.11/warc/CC-MAIN-20140416005213-00247-ip-10-147-4-33.ec2.internal.w... |
Trigonomteric Ratios and Special Angles
March 28th 2009, 07:28 AM #1
Senior Member
Nov 2008
Trigonomteric Ratios and Special Angles
Can someone please explain to me how to solve this question:
Determine an exact value for each expression:
a) [cot(pi/4)]/[(cos(pi/3))(csc(pi/2))]
b) [cos(pi/6)][csc(pi... | {"url":"http://mathhelpforum.com/trigonometry/81051-trigonomteric-ratios-special-angles.html","timestamp":"2014-04-21T03:56:01Z","content_type":null,"content_length":"36164","record_id":"<urn:uuid:6251d50f-89de-45b9-beaa-0af1f661af02>","cc-path":"CC-MAIN-2014-15/segments/1398223201753.19/warc/CC-MAIN-20140423032001-004... |
CJFA -- Blogmeister
letter to sister
Dear Sister,
I have sent you this letter because I want to tell you what I have/am learning in Math class.
We have learned what type of information to make a graph out of. Like, if you were doing the change in weather in cities, you would make it a line graph. And if you were doing ... | {"url":"http://classblogmeister.com/blog.php?blog_id=995752&mode=comment&blogger_id=327196","timestamp":"2014-04-18T05:50:43Z","content_type":null,"content_length":"29548","record_id":"<urn:uuid:81ee9a68-8279-4cf6-baa1-98f1e07b265c>","cc-path":"CC-MAIN-2014-15/segments/1397609532573.41/warc/CC-MAIN-20140416005212-00359... |
How to Find the Product of A Math Problem
Finding products is an important math skill that you'll learn about in third and fourth grade. To find a product, you'll need to multiply at least two numbers together. Keep reading to find out how!
Finding Products with Multiplication
A product is the answer that you get whe... | {"url":"http://mathandreadinghelp.org/find_the_product_of_a_math_problem.html","timestamp":"2014-04-21T14:40:12Z","content_type":null,"content_length":"25993","record_id":"<urn:uuid:70f794d2-7b03-4eab-a764-1b396f98c997>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00237-ip-10-147-4-... |
Personal Opinion
What Will Be the Effect of a Standards -based
Education on College Students?
... | {"url":"http://mathforum.org/mathed/articles/opinion.html","timestamp":"2014-04-20T01:32:13Z","content_type":null,"content_length":"14787","record_id":"<urn:uuid:7b80e658-f541-4eae-938a-b15fccb49274>","cc-path":"CC-MAIN-2014-15/segments/1397609537804.4/warc/CC-MAIN-20140416005217-00458-ip-10-147-4-33.ec2.internal.warc.... |
Roopville Prealgebra Tutor
Find a Roopville Prealgebra Tutor
...If you are in need of a tutor in English, German, writing, or the arts I can help! I have a degree in Global Studies with a minor in German from the University of West Georgia. In this program
I studied everything from psychology to Geography of the Eu... | {"url":"http://www.purplemath.com/roopville_prealgebra_tutors.php","timestamp":"2014-04-16T19:40:31Z","content_type":null,"content_length":"23987","record_id":"<urn:uuid:35aec705-7ddb-4324-8dac-5566661d8744>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00062-ip-10-147-4-33.ec2.intern... |
Math Help
December 25th 2008, 08:21 PM #1
Oct 2008
second d.e
Hey all,
Season greetings
Merry Christmas and a Happy New Year
Does the following differential equation not have a solution for A, and is B = -1 in the general solution ?
$\frac{d^2y}{dx^2} + \frac{dy}{dx} - 2y = 2-2e^{-2x}$
Also... | {"url":"http://mathhelpforum.com/differential-equations/66056-second-d-e.html","timestamp":"2014-04-17T11:10:40Z","content_type":null,"content_length":"115016","record_id":"<urn:uuid:06f1c57c-08df-4925-82d5-1f19ddbe3e4d>","cc-path":"CC-MAIN-2014-15/segments/1397609539665.16/warc/CC-MAIN-20140416005219-00037-ip-10-147-4... |
PSY K300 3628 Statistical Techniques
Psychology | Statistical Techniques
K300 | 3628 | D. Robinson
Prerequisite: Math M119 or equivalent
Introduction to probability and statistics; elementary probability theory,
conditional probability, independence, random variable, discreet and
continuous probability distributions, ... | {"url":"http://www.indiana.edu/~deanfac/blfal99/psy/psy_k300_3628.html","timestamp":"2014-04-23T22:11:29Z","content_type":null,"content_length":"1023","record_id":"<urn:uuid:1ab71293-1982-46c3-91d7-a894a987d66f>","cc-path":"CC-MAIN-2014-15/segments/1398223203841.5/warc/CC-MAIN-20140423032003-00209-ip-10-147-4-33.ec2.in... |
Create a fi Object
Create a signed fi object with a value of pi, a word length of 8 bits, and a fraction length of 3 bits.
a = fi(pi, 1, 8, 3)
a =
DataTypeMode: Fixed-point: binary point scaling
Signedness: Signed
WordLength: 8
FractionLength: 3
Create an Array of fi Objects
a ... | {"url":"http://www.mathworks.se/help/fixedpoint/ref/fi.html?nocookie=true","timestamp":"2014-04-23T11:56:32Z","content_type":null,"content_length":"68498","record_id":"<urn:uuid:00cc6ec3-98f8-40a7-a7f9-dcfeefcd22ea>","cc-path":"CC-MAIN-2014-15/segments/1398223202548.14/warc/CC-MAIN-20140423032002-00091-ip-10-147-4-33.e... |
Re: Oracle and PICK
From: Anthony W. Youngman <wol_at_thewolery.demon.co.uk> Date: Sat, 24 Apr 2004 12:49:50 +0100 Message-ID: <GP3GIoFeRliAFwbx@thewolery.demon.co.uk>
In message <PsadnVC91J-hxxzdRVn-hA_at_comcast.com>, Laconic2 <laconic2_at_comcast.net> writes
>The point is, IMO, that you can project a three dimension... | {"url":"http://www.orafaq.com/usenet/comp.databases.theory/2004/04/24/0978.htm","timestamp":"2014-04-21T11:02:53Z","content_type":null,"content_length":"9089","record_id":"<urn:uuid:feb07da4-7ddc-481f-9719-bd63c5ff2acd>","cc-path":"CC-MAIN-2014-15/segments/1397609539705.42/warc/CC-MAIN-20140416005219-00290-ip-10-147-4-... |
Is this problem a general for of the equation of a circle?
Hello, scottydoint! $-x^2-4x+4y^2+8y-22\:=\:0$ It is not a circle . . . $x^2$ and $y^2$ have different coefficient. Since the coefficients of $x^2$ and $y^2$ have opposite signs, it is a hyperbola.
1. Complete the squares: $-(x^2+4x{\bold{\color{red}+4}})+4(y^2... | {"url":"http://mathhelpforum.com/pre-calculus/59272-problem-general-equation-circle.html","timestamp":"2014-04-18T10:23:27Z","content_type":null,"content_length":"38502","record_id":"<urn:uuid:8053c5ca-c3f9-4216-957e-1a37169db84b>","cc-path":"CC-MAIN-2014-15/segments/1397609538022.19/warc/CC-MAIN-20140416005218-00285-i... |
Solving Word Problems With Equations
May 19th 2010, 08:47 AM
Solving Word Problems With Equations
Determine the following numbers.
Two consecutive integers with half of the small equal to 4 more than one third of the larger.
My work:
Let the value of 1st integer be x(1/2)
Let the value of 2nd intege... | {"url":"http://mathhelpforum.com/algebra/145559-solving-word-problems-equations-print.html","timestamp":"2014-04-18T15:01:43Z","content_type":null,"content_length":"5647","record_id":"<urn:uuid:3f6029ea-d59b-4796-991c-88e14aea0f84>","cc-path":"CC-MAIN-2014-15/segments/1397609533689.29/warc/CC-MAIN-20140416005213-00443-... |
No P = NP Proof After All
19462870 story
Posted by
from the big-o-my-god dept.
"Internet commerce seems safe for now as Russian computer scientist Vladimir Romanov has conceded that his previously published solution to the '3 SAT' problem of boolean algebra does not work. If
his solution did work it would have shown... | {"url":"http://science.slashdot.org/story/11/02/28/149244/No-P--NP-Proof-After-All","timestamp":"2014-04-21T15:03:27Z","content_type":null,"content_length":"276369","record_id":"<urn:uuid:5352b3ff-5a1a-47d9-9a45-5bf27a7325ca>","cc-path":"CC-MAIN-2014-15/segments/1397609540626.47/warc/CC-MAIN-20140416005220-00060-ip-10-... |
intersection of two planes.
August 15th 2013, 08:54 PM
intersection of two planes.
My geometry book says the intersection of two planes is a line, why can't the intersection of two planes be a point?
August 15th 2013, 09:20 PM
Re: intersection of two planes.
Hey hisajesh.
I'm assuming you mean in three dime... | {"url":"http://mathhelpforum.com/geometry/221216-intersection-two-planes-print.html","timestamp":"2014-04-17T17:14:54Z","content_type":null,"content_length":"7059","record_id":"<urn:uuid:6a3f8bb4-a3ff-4ad7-abe1-51245582e079>","cc-path":"CC-MAIN-2014-15/segments/1397609530136.5/warc/CC-MAIN-20140416005210-00148-ip-10-14... |
integration limit {-infinity, infinity}...
From: zaldy <zaldy_at_neutrino.kek.jp> Date: Sat, 3 Sep 2005 10:09:24 +0900 (JST)
Dear ROOT Experts,
Just lately I have posted a mail regarding integration limit {-infinity, infity} but I still did not have a clear idea. For example, a Normalized Gaussian Function when integra... | {"url":"http://root.cern.ch/root/roottalk/roottalk05/2322.html","timestamp":"2014-04-18T20:44:23Z","content_type":null,"content_length":"5654","record_id":"<urn:uuid:739bf714-3004-4af9-b16e-832894150561>","cc-path":"CC-MAIN-2014-15/segments/1398223206647.11/warc/CC-MAIN-20140423032006-00413-ip-10-147-4-33.ec2.internal.... |