Wikipedia:Reference desk/Archives/Mathematics/September 2011

= September 1 = Reference_desk/Archives/Mathematics/2011 September 1


 * 1) No (x) ?
 * 2) Uniqueness and existence of the positive nth root
 * 3) Analytic Functions

= September 2 = Reference_desk/Archives/Mathematics/2011 September 2


 * 1) Finding reverse mapping in modular arithmetic problem
 * 2) Column comparison
 * 3) Cubic metric
 * 4) Probability issue and programming it

= September 3 = Reference_desk/Archives/Mathematics/2011 September 3


 * 1) Sampling distribution of a difference between two independent sample proportions

= September 5 = Reference_desk/Archives/Mathematics/2011 September 5


 * 1) make all sums
 * 2) word problem

= September 6 = Reference_desk/Archives/Mathematics/2011 September 6


 * 1) Lottery games similar to australia's "soccer pools"
 * 2) Conjugacy class?
 * 3) Tile stacking
 * 4) Motivation to study mathematics
 * 5) Dispersion formula

= September 7 = Reference_desk/Archives/Mathematics/2011 September 7


 * 1) infinity

= September 8 = Reference_desk/Archives/Mathematics/2011 September 8


 * 1) Did I use neighborhood right?
 * 2) Maximising winnings on Euromillions
 * 3) (-1/3)^(-1/3)
 * 4) Toric Configuration Space

= September 9 = Reference_desk/Archives/Mathematics/2011 September 9


 * 1) What does the Standard Deviation represent in laymans terms
 * 2) Hypergeometric Series
 * 3) Inverse of 4th degree polynomial
 * 4) mathematics

= September 10 = Reference_desk/Archives/Mathematics/2011 September 10


 * 1) Enormous number digits puzzle
 * 2) Limit question

= September 11 = Reference_desk/Archives/Mathematics/2011 September 11


 * 1) Can't recall details of a math puzzle
 * 2) Question about formula involving exponential functions
 * 3) Tensors over ℤ2

= September 12 = Reference_desk/Archives/Mathematics/2011 September 12


 * 1) Checking Conservativeness
 * 2) Time series in Excel

= September 13 = Reference_desk/Archives/Mathematics/2011 September 13


 * 1) Name for variable update procedure
 * 2) Relationship between Computer Science and Mathematics
 * 3) universe where pi is 3
 * 4) Variant of Entscheidungsproblem

= September 15 = Reference_desk/Archives/Mathematics/2011 September 15


 * 1) Average area of random triangle inside the unit ball
 * 2) What is the Differential, anyway ?
 * 3) Help with Diophantine approximation problem

= September 16 = Reference_desk/Archives/Mathematics/2011 September 16


 * 1) Aleph numbers

= September 17 = Reference_desk/Archives/Mathematics/2011 September 17


 * 1) Normalizing logarithmic lines
 * 2) Finding the transformations of a matrix

= September 18 = Reference_desk/Archives/Mathematics/2011 September 18


 * 1) Continuous function
 * 2) (Simple?) projectile motion

= September 19 = Reference_desk/Archives/Mathematics/2011 September 19


 * 1) Different Types of Integrals and Derivatives
 * 2) Three person oblivious transfer
 * 3) Distribution of charge in 1,2,3 dimensions on symmetrical bodies
 * 4) I keep coming back to this question, and it never makes sense to me.
 * 5) how would mathematicians react if math had human, contemporary meaning?

= September 20 = Reference_desk/Archives/Mathematics/2011 September 20


 * 1) When will Goldbach's conjecture be tested.
 * 2) Intergrating ring of charge in 1/r field
 * 3) Laplacian correction for discriminative naive Bayes
 * 4) Is this function chaotic

= September 21 = Reference_desk/Archives/Mathematics/2011 September 21


 * 1) Binary numbers with no adjacent 1s
 * 2) eating mashed potatoes with your hands when silverware is available

= September 22 = Reference_desk/Archives/Mathematics/2011 September 22


 * 1) Mixed Member Proportional Voting and Gerrymandering

= September 23 = Reference_desk/Archives/Mathematics/2011 September 23


 * 1) 360 sq centimeters
 * 2) Speed of Light
 * 3) Could someone please check this comment on Balanced ternary?
 * 4) The cartesian plane as a sphere - theoretical maths
 * 5) maximum traffic flow
 * 6) Derivative of Sine

= September 24 = Reference_desk/Archives/Mathematics/2011 September 24


 * 1) Logarithms of non-positive real numbers

= September 25 = Reference_desk/Archives/Mathematics/2011 September 25


 * 1) How to find specific arguments of two functions
 * 2) Differential dx
 * 3) What does the mathematical symbol ⊙ represent?
 * 4) counting
 * 5) Game Theory Q

= September 26 = Reference_desk/Archives/Mathematics/2011 September 26


 * 1) A  bit  on  the  Heavi  Side
 * 2) Trig identity and complex numbers.

= September 27 = Reference_desk/Archives/Mathematics/2011 September 27


 * 1) Multiply 3-dimensional matrices
 * 2) Easy way to judge if a holomorphic function is an injection and/or has no branch points
 * 3) Are polynomial functions invertible
 * 4) ultrafilters
 * 5) Explicit Runge-Kutta methods
 * 6) Quick question on exponentials
 * 7) Series

= September 28 = Reference_desk/Archives/Mathematics/2011 September 28


 * 1) Power Spectrum Estimation
 * 2) Integral Truths and mein eigenes Problem
 * 3) polar range
 * 4) collide with earth?
 * 5) epsilon-delta