Wikipedia:Reference desk/Archives/Mathematics/October 2013

= October 1 = Reference_desk/Archives/Mathematics/2013 October 1


 * 1) Calculus chain rule problem
 * 2) Modules isomorphism

= October 2 = Reference_desk/Archives/Mathematics/2013 October 2


 * 1) Is there any short-cut method for finding the derivative or integral of a function?

= October 3 = Reference_desk/Archives/Mathematics/2013 October 3


 * 1) PPM?
 * 2) Proof involving binomial

= October 4 = Reference_desk/Archives/Mathematics/2013 October 4


 * 1) Absolute value (algebra)
 * 2) Possible columns in an integral matrix

= October 6 = Reference_desk/Archives/Mathematics/2013 October 6


 * 1) I understand Complex Numbers
 * 2) Symbol in the center of a commutative diagram?
 * 3) Hopefully nothing went amiss on this wind energy assignment...
 * 4) Data distribution
 * 5) Diffusion Model

= October 8 = Reference_desk/Archives/Mathematics/2013 October 8


 * 1) Is there a set of functions that fulfil a certain condition

= October 9 = Reference_desk/Archives/Mathematics/2013 October 9


 * 1) US default on 17th Oct
 * 2) Common factors of a sum

= October 11 = Reference_desk/Archives/Mathematics/2013 October 11


 * 1) Does there exist a function that...?
 * 2) every base is base 10 -- isn't calling it that kind of dumb?

= October 12 = Reference_desk/Archives/Mathematics/2013 October 12


 * 1) Symmetrical Equation in Three Unknowns
 * 2) Arithmetic–geometric mean an integer?
 * 3) Adjusting the calendar.
 * 4) I understand that for a normal distribution about 95% of the observations fall within 2 standard deviations of the mean.

= October 13 = Reference_desk/Archives/Mathematics/2013 October 13


 * 1) Product of Sines
 * 2) Question about SAT scores
 * 3) Identifying a unitary

= October 14 = Reference_desk/Archives/Mathematics/2013 October 14


 * 1) Duplo Train track behavior.
 * 2) Laplace's Method for Integrals
 * 3) How to turn difficult probabilities into a simple sum a non-mathematician can use

= October 15 = Reference_desk/Archives/Mathematics/2013 October 15


 * 1) The encrypted German Tank Problem
 * 2) Bernoulli Numbers Help!

= October 16 = Reference_desk/Archives/Mathematics/2013 October 16


 * 1) Testing Poisson Model Assumptions on a Subset of Data

= October 18 = Reference_desk/Archives/Mathematics/2013 October 18


 * 1) Pronunciation of numbers in other bases

= October 19 = Reference_desk/Archives/Mathematics/2013 October 19


 * 1) 6-1*0+2/2=?
 * 2) Game theory and bike riding

= October 20 = Reference_desk/Archives/Mathematics/2013 October 20


 * 1) how to test the coefficient of an equation ( multiple regression analysis)
 * 2) Optimal allocation strategy
 * 3) I am trying to prove that: For any interval I, m*(I)=|I|.

= October 21 = Reference_desk/Archives/Mathematics/2013 October 21


 * 1) Intersecting spheres
 * 2) Hypercube coloring problem

= October 22 = Reference_desk/Archives/Mathematics/2013 October 22


 * 1) Why isn't one a prime number?

= October 23 = Reference_desk/Archives/Mathematics/2013 October 23


 * 1) Is there any trick to solve this problem?

= October 24 = Reference_desk/Archives/Mathematics/2013 October 24


 * 1) Location of Boards in moat crossing problem with # Boards > 2.
 * 2) ArXiv password demanded for submission to Journal of Combinatorics

= October 25 = Reference_desk/Archives/Mathematics/2013 October 25


 * 1) Inverse speed ramp of video

= October 27 = Reference_desk/Archives/Mathematics/2013 October 27


 * 1) Mathematics from a dream...

= October 28 = Reference_desk/Archives/Mathematics/2013 October 28


 * 1) Lottery tickets

= October 29 = Reference_desk/Archives/Mathematics/2013 October 29


 * 1) About the Word 'Rigorize'
 * 2) convergence order

= October 30 = Reference_desk/Archives/Mathematics/2013 October 30


 * 1) Logistic Map
 * 2) "solving" a circuit for voltages and currents

= October 31 = Reference_desk/Archives/Mathematics/2013 October 31


 * 1) Calculus homework - related rates
 * 2) Distribution functions