Wikipedia:Reference desk/Archives/Mathematics/April 2012

= April 1 = Reference_desk/Archives/Mathematics/2012 April 1


 * 1) Game Theory Textbook
 * 2)  Test

= April 2 = Reference_desk/Archives/Mathematics/2012 April 2


 * 1) Closure of the union of sets
 * 2) Morley triangle

= April 3 = Reference_desk/Archives/Mathematics/2012 April 3


 * 1) Car accident
 * 2) A level differentiation problem
 * 3) Hull

= April 4 = Reference_desk/Archives/Mathematics/2012 April 4


 * 1) Calculating Probabilities while playing "Lets Make a Deal.
 * 2) there are 4 kinds of topology in Set{1,2},and 29 in Set{1,2,3}, is exist a Formula in a Set {1,2,3,4,5,6...n}?
 * 3) Evaluation of Residue using Analytic Continuation
 * 4) Bounding a tricky series
 * 5) Evaluation of an Integral using Special Functions
 * 6) Billiard ball accident
 * 7) Creating a minimum spanning tree with arbitrary points allowed - name for this problem?

= April 5 = Reference_desk/Archives/Mathematics/2012 April 5


 * 1) Series

= April 6 = Reference_desk/Archives/Mathematics/2012 April 6


 * 1) Notation question

= April 7 = Reference_desk/Archives/Mathematics/2012 April 7


 * 1) what is open subgroup in Group theory？
 * 2) Expert opinion on methods required for proof of Goldbach's Conjecture
 * 3) Perimeter that is tangent to a circle
 * 4) Decidability and Goldbach's Conjecture

= April 8 = Reference_desk/Archives/Mathematics/2012 April 8


 * 1) Polynomials modulo p
 * 2) "Free" Nonassociative ring?
 * 3) On Hypergeometric Functions
 * 4) Hilbert's second problem
 * 5) Showing an integral is well defined

= April 9 = Reference_desk/Archives/Mathematics/2012 April 9


 * 1) 297/140 seems like an unusual answer.
 * 2) Second Order ODEs
 * 3) Generalised permutation block matrices?
 * 4) Help locating a book
 * 5) Powers of i
 * 6) Can likelihood ratios used for estimation of post-test probability be continuous variables, or do they have to be dichotomous?

= April 10 = Reference_desk/Archives/Mathematics/2012 April 10


 * 1) two parts
 * 2) Volumes of parallelepipeds in higher dimensions.
 * 3) Notation, conditional probability
 * 4) Octahedral and icosahedral symmetry
 * 5) mathematical conjectures formerly assumed true

= April 11 = Reference_desk/Archives/Mathematics/2012 April 11


 * 1) Millions, billions, trillions?
 * 2) Use of anova/ F-tests with count data

= April 13 = Reference_desk/Archives/Mathematics/2012 April 13


 * 1) hypoethical
 * 2) Time complexity of solving a polynomial
 * 3) Is the winning response in the "Big Number Duel" a paradox
 * 4) Definition of "e"

= April 14 = Reference_desk/Archives/Mathematics/2012 April 14


 * 1) Black and white balls problem
 * 2) The Rationals Are Dense In The Reals

= April 15 = Reference_desk/Archives/Mathematics/2012 April 15


 * 1) The algebraic closure of Z2
 * 2) biggest number proposal
 * 3) Inequalities
 * 4) Hiring k secretaries

= April 16 = Reference_desk/Archives/Mathematics/2012 April 16


 * 1) Barbosa SSS
 * 2) multiplicative functions
 * 3) Definitions of logs and exponentials

= April 17 = Reference_desk/Archives/Mathematics/2012 April 17


 * 1) is a single line parallel?
 * 2) Inequalities (2)
 * 3) This Integration problem is killing me!
 * 4) Why is the autocorrelation vector of an Nx1 vector (2N-1)x1 long?
 * 5) Seventeen or Bust project

= April 18 = Reference_desk/Archives/Mathematics/2012 April 18


 * 1) Determinant solving
 * 2) the graph is Compact

= April 19 = Reference_desk/Archives/Mathematics/2012 April 19


 * 1) Mercator and stereographic projection
 * 2) there is a kind of fuction named L-fuction,what meanings the "L"?
 * 3) Interpretation of Beta hyperparameters
 * 4) square footage

= April 20 = Reference_desk/Archives/Mathematics/2012 April 20


 * 1) Limit question
 * 2) Proof of order of operations
 * 3) Recursively enumerable theory

= April 21 = Reference_desk/Archives/Mathematics/2012 April 21


 * 1) Integration - Calculus
 * 2) ~ Need Solid Judgement On Mathematical Tools ~
 * 3) Matrix Decompsotion
 * 4) Most popular  math (grades 1-9) materials?

= April 22 = Reference_desk/Archives/Mathematics/2012 April 22


 * 1) Natural logarithms, limits and sequences of functions
 * 2) real integrals by residue theorem
 * 3) Polynomials in Zp
 * 4) Name/Identity of trig conversion function?

= April 23 = Reference_desk/Archives/Mathematics/2012 April 23


 * 1) Pi
 * 2) Modulus
 * 3) integrals
 * 4) Minor details
 * 5) How to find a cubic root of a number in regular calculator models?

= April 24 = Reference_desk/Archives/Mathematics/2012 April 24


 * 1) Primality question
 * 2) Hungarian Algorithm using matrices

= April 25 = Reference_desk/Archives/Mathematics/2012 April 25


 * 1) Interpolation in 2D
 * 2) Prime <--> Fibonacci
 * 3) Best way to represent mathematically?
 * 4) Set Theory

= April 26 = Reference_desk/Archives/Mathematics/2012 April 26


 * 1) Minimizing values
 * 2) Functional derivative
 * 3) Continuous function separating two points
 * 4) True odds of a "fire bet" in craps

= April 27 = Reference_desk/Archives/Mathematics/2012 April 27


 * 1) Invariant theory: matrices and invariants under upper triangular matrices

= April 28 = Reference_desk/Archives/Mathematics/2012 April 28


 * 1) Cubic Interpolation Polynomials
 * 2) Trigonometric Interpolation
 * 3) More Interpolation
 * 4) Request for applications

= April 29 = Reference_desk/Archives/Mathematics/2012 April 29


 * 1) Music computation
 * 2) Solved For Game Theory/Improved upon game theory/Corrected game theory
 * 3) Latex package for Dynkin diagrams

= April 30 = Reference_desk/Archives/Mathematics/2012 April 30


 * 1) question about one sided limits
 * 2) Calculating the 3 marks that drag a weighted average down the most