Wikipedia:Reference desk/Archives/Mathematics/December 2012

= December 1 = Reference_desk/Archives/Mathematics/2012 December 1


 * 1) Function defining a gravity well?
 * 2) Confidence interval with detected sampling bias
 * 3) The solution of the equation: xy=yx, for x≠y, {x,y}≠{2,4} , in natural numbers.

= December 3 = Reference_desk/Archives/Mathematics/2012 December 3


 * 1) random sampling, control and case
 * 2) How do I choose a better method for robust regression?

= December 4 = Reference_desk/Archives/Mathematics/2012 December 4


 * 1) Translation of german reference
 * 2) File:Comparison_convolution_correlation.svg
 * 3) Zeta (1/2)

= December 5 = Reference_desk/Archives/Mathematics/2012 December 5


 * 1) Analysis Q
 * 2) Natural solutions of the equation: $a_1^{a_2^{a_3}}=b_1^{b_2^{b_3}}$, for ${a_1,a_2,a_3}={b_1,b_2,b_3}$, while $a_1 neq b_1, a_2 neq b_2, a_3 neq b_3$.
 * 3) Unknown pattern
 * 4) Update on "Request for Help Deriving the Formula Describing the Probability that a Set of Event Outcomes Might Occur for Make-Up Homework"
 * 5) Natural Numbers/Algebra

= December 6 = Reference_desk/Archives/Mathematics/2012 December 6


 * 1) "The Infins" book

= December 7 = Reference_desk/Archives/Mathematics/2012 December 7


 * 1) Radius of intersection of sphere and plane
 * 2) Mazes (complex branching passages)

= December 8 = Reference_desk/Archives/Mathematics/2012 December 8


 * 1) X chromosomes and statistics
 * 2) Math of the McEliece cryptosystem
 * 3) Pump capacity formulas

= December 9 = Reference_desk/Archives/Mathematics/2012 December 9


 * 1) New musical tuning system calculation, math question.
 * 2) "Maybe they're all wrong" ensembles
 * 3) Points determining an ellipse or sphere

= December 10 = Reference_desk/Archives/Mathematics/2012 December 10


 * 1) Impossible math problems
 * 2) Ratio of x / y > x^y for integers excluding 0

= December 11 = Reference_desk/Archives/Mathematics/2012 December 11


 * 1) Holomorph
 * 2) Every prime has a Fibonacci divisible by it?
 * 3) Reciprocals of primes

= December 13 = Reference_desk/Archives/Mathematics/2012 December 13


 * 1) Bailey Welch rule.

= December 14 = Reference_desk/Archives/Mathematics/2012 December 14


 * 1) The Laplacian
 * 2) sequence which is not in any l^p
 * 3) Am I right?

= December 15 = Reference_desk/Archives/Mathematics/2012 December 15


 * 1) "≧" and "≦"
 * 2) Cost:Benefit

= December 16 = Reference_desk/Archives/Mathematics/2012 December 16


 * 1) Line chart shapes

= December 17 = Reference_desk/Archives/Mathematics/2012 December 17


 * 1) Confusion about the Central Limit Theorem
 * 2) Rotundas
 * 3) Noisy Chaos

= December 18 = Reference_desk/Archives/Mathematics/2012 December 18


 * 1) Talk:Statistical inference#deduction and induction and prediction

= December 19 = Reference_desk/Archives/Mathematics/2012 December 19


 * 1) # of points where hamming distance >= 3 in {0,1}^n?

= December 20 = Reference_desk/Archives/Mathematics/2012 December 20


 * 1) What the heck does this mean?
 * 2) Anisotropic quadratic form on 2-dimensional space over finite field of odd order: how many "square" points?
 * 3) Solving a function containing xe^x
 * 4) Riemann zeta function of the empty set

= December 22 = Reference_desk/Archives/Mathematics/2012 December 22


 * 1) Stats
 * 2) Possible impedances as function of frequency

= December 23 = Reference_desk/Archives/Mathematics/2012 December 23


 * 1) the tiles of Catan
 * 2) Divisors of squares of primes

= December 24 = Reference_desk/Archives/Mathematics/2012 December 24


 * 1) quadrilateral question

= December 26 = Reference_desk/Archives/Mathematics/2012 December 26


 * 1) Deal or No Deal?

= December 27 = Reference_desk/Archives/Mathematics/2012 December 27


 * 1) List of countries by firearm-related death rate

= December 30 = Reference_desk/Archives/Mathematics/2012 December 30


 * 1) Confirm an Answer
 * 2) Calculating an ellipse after rotating a circle
 * 3) Bayesian induction

= December 31 = Reference_desk/Archives/Mathematics/2012 December 31


 * 1) Matrices and Indices