Wikipedia:Reference desk/Archives/Mathematics/March 2013

= March 1 = Reference_desk/Archives/Mathematics/2013 March 1


 * 1) Am I smarter than a 5th grade math textbook?

= March 2 = Reference_desk/Archives/Mathematics/2013 March 2


 * 1) Correlation =//= Causation... Ever?
 * 2) Restricted polyabolos

= March 3 = Reference_desk/Archives/Mathematics/2013 March 3


 * 1) Human-made mazes (complex branching passages)
 * 2) Limit points in the cartesian plane

= March 4 = Reference_desk/Archives/Mathematics/2013 March 4


 * 1) What did von Neumann's variant of von Neumann–Bernays–Gödel set theory look like?
 * 2) Doubling the cube
 * 3) Penrose tiles puzzle pieces

= March 5 = Reference_desk/Archives/Mathematics/2013 March 5


 * 1) A maximum/minimum value question

= March 6 = Reference_desk/Archives/Mathematics/2013 March 6


 * 1) Gamma ~= 1 / √3
 * 2) A strange relationship to seeing in art drawing
 * 3) Calculating RGB values for images
 * 4) Errors in measurments and estimations
 * 5) Posting here is really slow today

= March 7 = Reference_desk/Archives/Mathematics/2013 March 7


 * 1) Another integral formula for the Gamma/Factorial function
 * 2) Can you use propositional logic/calculus to construct mathematical models for quantitative research?
 * 3) Preformatted math-tags cut this page 30 seconds
 * 4) A truck and a person

= March 8 = Reference_desk/Archives/Mathematics/2013 March 8


 * 1) Statistical analsysis
 * 2) exp(i2PI)=1 then i2PI=ln1=0?? thank you!!

= March 9 = Reference_desk/Archives/Mathematics/2013 March 9


 * 1) Examples of convolution

= March 10 = Reference_desk/Archives/Mathematics/2013 March 10


 * 1) Game theory assignment

= March 12 = Reference_desk/Archives/Mathematics/2013 March 12


 * 1) Project Euler 418
 * 2) Can you modify any of a normal number's first digits without affecting its normality?

= March 13 = Reference_desk/Archives/Mathematics/2013 March 13


 * 1) Is this an error in the article?

= March 14 = Reference_desk/Archives/Mathematics/2013 March 14


 * 1) Probability

= March 15 = Reference_desk/Archives/Mathematics/2013 March 15


 * 1) economics; calculation of shares and interest rate [country; nigeria, africa

= March 16 = Reference_desk/Archives/Mathematics/2013 March 16


 * 1) IMO problem
 * 2) Pollution

= March 17 = Reference_desk/Archives/Mathematics/2013 March 17


 * 1) Stuck

= March 18 = Reference_desk/Archives/Mathematics/2013 March 18


 * 1) 36 cube puzzle and Graeco-Latin squares
 * 2) Isosceles trapezoid definition

= March 19 = Reference_desk/Archives/Mathematics/2013 March 19


 * 1) Why is the Integer zero-dimensional?
 * 2) Fibonacci n
 * 3) Period of a repeating sequence

= March 20 = Reference_desk/Archives/Mathematics/2013 March 20


 * 1) Normal Distribution
 * 2) Integral of 1/x

= March 21 = Reference_desk/Archives/Mathematics/2013 March 21


 * 1) Number Theory Problems

= March 22 = Reference_desk/Archives/Mathematics/2013 March 22


 * 1) 0/0

= March 23 = Reference_desk/Archives/Mathematics/2013 March 23


 * 1) Nonconvex polyhedra
 * 2) mechanics

= March 24 = Reference_desk/Archives/Mathematics/2013 March 24


 * 1) The symbol used when defining the alphabet of a language

= March 25 = Reference_desk/Archives/Mathematics/2013 March 25


 * 1) Parent function
 * 2) A Question of Convergence
 * 3) Loss of information
 * 4) Integer-only Mathematics

= March 26 = Reference_desk/Archives/Mathematics/2013 March 26


 * 1) Perspective correct interpolation of screen coordinates given desired texture coordinates on a plane
 * 2) Why Are All Basic Irrationals So Close to Multiples of 1/7 ?
 * 3) Independence number of a cycle

= March 27 = Reference_desk/Archives/Mathematics/2013 March 27


 * 1) Mathematics research

= March 28 = Reference_desk/Archives/Mathematics/2013 March 28


 * 1) Division by infinity
 * 2) Computing in infinite matrix groups

= March 29 = Reference_desk/Archives/Mathematics/2013 March 29


 * 1) How many figures of Pi are still useful?

= March 30 = Reference_desk/Archives/Mathematics/2013 March 30


 * 1) Incorrect proof of boundary property
 * 2) Treating linear differential operators like a matrices

= March 31 = Reference_desk/Archives/Mathematics/2013 March 31


 * 1) Dx - xD = 1, why does this not commute?