Wikipedia:Reference desk/Archives/Mathematics/November 2010

= November 1 = Reference_desk/Archives/Mathematics/2010 November 1


 * 1) Trying to solve calculus problems using the Chain Rule
 * 2) Counterexamples & L'Hopital
 * 3) Question

= November 2 = Reference_desk/Archives/Mathematics/2010 November 2


 * 1) Decimals in Fractions
 * 2) Dice Probability
 * 3) Use this matrix identity??
 * 4) Peano axioms

= November 3 = Reference_desk/Archives/Mathematics/2010 November 3


 * 1) Sums of random variables, and line integrals
 * 2) Interpolation on the surface of a sphere
 * 3) Begging the question and differentiating ex

= November 4 = Reference_desk/Archives/Mathematics/2010 November 4


 * 1) graph automorphism
 * 2) Two questions

= November 5 = Reference_desk/Archives/Mathematics/2010 November 5


 * 1) Predicting the college football season
 * 2) Calculus
 * 3) Suggestions re learning LaTex, please?
 * 4) Can we draw every mathematical concept?
 * 5) Different universe, different maths?
 * 6) why don't I like databases?

= November 6 = Reference_desk/Archives/Mathematics/2010 November 6


 * 1) Showing that lim (1+1/n)^n = e as n –> infinity
 * 2) Correction to my previous Refdesk question
 * 3) Series Summation
 * 4) Divisor

= November 7 = Reference_desk/Archives/Mathematics/2010 November 7


 * 1) Check my math please

= November 8 = Reference_desk/Archives/Mathematics/2010 November 8


 * 1) Fibonacci-like Series
 * 2) Quick query - integral tending to 0 on [0,1]
 * 3) when will math end?

= November 9 = Reference_desk/Archives/Mathematics/2010 November 9


 * 1) Differential geometry textbook
 * 2) are these the same thing
 * 3) Probability
 * 4) Determining all odd primes for which 15 is a quadratic residue modulo p

= November 11 = Reference_desk/Archives/Mathematics/2010 November 11


 * 1) Irrational power
 * 2) Direct sum
 * 3) growth versus "now"
 * 4) Calculating the central angle in polyhedra
 * 5) Commutativity property on "two-stage" transformations

= November 12 = Reference_desk/Archives/Mathematics/2010 November 12


 * 1) Riemann and Spivak
 * 2) Mortality Rates India
 * 3) Godel
 * 4) Polynomials given by a recurrence relation
 * 5) vocabulary of curly things

= November 13 = Reference_desk/Archives/Mathematics/2010 November 13


 * 1) Infinitely differentiable implies polynomial
 * 2) Calculus in a nutshell

= November 14 = Reference_desk/Archives/Mathematics/2010 November 14


 * 1) System of nonlinear equations (I think?)

= November 15 = Reference_desk/Archives/Mathematics/2010 November 15


 * 1) (delta, epsilon)
 * 2) Limit of [sin (x - sin x)] / x^3
 * 3) How to know is a system of linear equations has an infinite number of solutions or none
 * 4) Group theory questions
 * 5) A question on Riemann surfaces and spaces of germs

= November 16 = Reference_desk/Archives/Mathematics/2010 November 16


 * 1) Maximize volume of a cone
 * 2) Homeomorphisms of the closed disk
 * 3) Pi = 4
 * 4) Question about a Clock
 * 5) Sums of squares.

= November 17 = Reference_desk/Archives/Mathematics/2010 November 17


 * 1) Function
 * 2) ring problem
 * 3) Integer
 * 4) Flavor

= November 18 = Reference_desk/Archives/Mathematics/2010 November 18


 * 1) A financial math problem
 * 2) Simple extremal subgraph query

= November 19 = Reference_desk/Archives/Mathematics/2010 November 19


 * 1) Question about polynomial rings
 * 2) poles problem
 * 3) differentiate x^x

= November 21 = Reference_desk/Archives/Mathematics/2010 November 21


 * 1) Fourier Transform

= November 22 = Reference_desk/Archives/Mathematics/2010 November 22


 * 1) 1/3 Anglo-Saxon
 * 2) IID Random variables with uniformly distributed difference
 * 3) log

= November 23 = Reference_desk/Archives/Mathematics/2010 November 23


 * 1) Area of a surface of revolution
 * 2) dot product
 * 3) Groups presentations
 * 4) A somewhat ugly equation
 * 5) Line integral
 * 6) Research Papers by James Stewart of Textbook Fame
 * 7) In search of a function

= November 24 = Reference_desk/Archives/Mathematics/2010 November 24


 * 1) [cis (x)]^n = cis (nx)?
 * 2) algebra
 * 3) Probability distribution for gestational length in human pregnancy

= November 25 = Reference_desk/Archives/Mathematics/2010 November 25


 * 1) QR
 * 2) Triangle Numbers
 * 3) Simultaneous equations  Puzzle
 * 4) Proof of e
 * 5) Testing if a symmetric rational matrix is positive semidefinite

= November 26 = Reference_desk/Archives/Mathematics/2010 November 26


 * 1) Lognormal vs Pareto
 * 2) is there a way to calculate right numbers using completed sequences?
 * 3) fill the missing.
 * 4) Incenter of triangle

= November 27 = Reference_desk/Archives/Mathematics/2010 November 27


 * 1) Composite Number Factorization Equation
 * 2) do all simply complete sets of equations have a total matrix?

= November 28 = Reference_desk/Archives/Mathematics/2010 November 28


 * 1) anti-Delaunay
 * 2) Group theory example
 * 3) Delta-epsilon limits revisited
 * 4) Derivative

= November 29 = Reference_desk/Archives/Mathematics/2010 November 29


 * 1) Coordinate Changes
 * 2) Irrationality of logarithms with rational bases

= November 30 = Reference_desk/Archives/Mathematics/2010 November 30


 * 1) Graph Ramsey Theory
 * 2) Symmetric Matrix