Wikipedia:Reference desk/Archives/Mathematics/December 2007

= December 1 = Reference_desk/Archives/Mathematics/2007 December 1


 * 1) characteristic function of a pdf
 * 2) Computing multiplicative order of a base mod composite
 * 3) A challenge...

= December 2 = Reference_desk/Archives/Mathematics/2007 December 2


 * 1) Proof for Internal/External Division of Line Segment
 * 2) Segment dissection
 * 3) Somebody prove Riemann already
 * 4) Probablility Question - Help Me Win the Elks' Lodge Raffle!
 * 5)  Hopefully Easy Geometry Term Question...

= December 3 = Reference_desk/Archives/Mathematics/2007 December 3


 * 1) Does .999... hold a distinct location on the number line?
 * 2) Math Help
 * 3) Checking nth power residuosity

= December 4 = Reference_desk/Archives/Mathematics/2007 December 4


 * 1) Numbers in matrices
 * 2) Why dont i get this?

= December 5 = Reference_desk/Archives/Mathematics/2007 December 5


 * 1) Extensions, Polynomials, etc
 * 2) What's wrong with this proof?
 * 3) Limiting behaviour of  Markov Chain

= December 6 = Reference_desk/Archives/Mathematics/2007 December 6


 * 1) [[Wikipedia:Reference_desk/Archives/Mathematics/2007 December 6#.5Bhttp:.2F.2Fwww.handdrawngames.com.2FDesktopTD.2Fgame.asp desktop tower defence.5D|desktop tower defence]]
 * 2) Find the prime factorization 330
 * 3) cryptography
 * 4) More math help
 * 5) Years

= December 7 = Reference_desk/Archives/Mathematics/2007 December 7


 * 1) Probability question
 * 2) A question 8 years in the making
 * 3) Riemannian manifolds
 * 4) Solution to a nonlinear ODE
 * 5) Double Integral

= December 8 = Reference_desk/Archives/Mathematics/2007 December 8


 * 1) Shortest distance between two points on the globe

= December 9 = Reference_desk/Archives/Mathematics/2007 December 9


 * 1) Local extrema
 * 2) Jian squares
 * 3) XORing strings

= December 10 = Reference_desk/Archives/Mathematics/2007 December 10


 * 1) Nothing?

= December 11 = Reference_desk/Archives/Mathematics/2007 December 11


 * 1) Roots of unity in infinite field
 * 2) Average Annual Increase??
 * 3) Maclaurin polynomial series and calculating error
 * 4) Buying a new graphing calculator

= December 12 = Reference_desk/Archives/Mathematics/2007 December 12


 * 1) Entering cosine repeatedly
 * 2) BibTeX and Beamer

= December 13 = Reference_desk/Archives/Mathematics/2007 December 13


 * 1) How do I solve this optimization problem with calculus?

= December 14 = Reference_desk/Archives/Mathematics/2007 December 14


 * 1) Logorithmic equations
 * 2) Advice for integrating disparate similarity measures?
 * 3) Pentagon equations
 * 4) Riemann zeros

= December 15 = Reference_desk/Archives/Mathematics/2007 December 15


 * 1) Clear definition of a tensor
 * 2) Odds in a hypothetical casino game

= December 16 = Reference_desk/Archives/Mathematics/2007 December 16


 * 1) Dissimilar Symbol
 * 2) Inverse functions
 * 3) 1/0=Infinity
 * 4) Differential equation

= December 17 = Reference_desk/Archives/Mathematics/2007 December 17


 * 1) Geometry question
 * 2) Negative logarithms
 * 3) Equation rearrangement
 * 4) xmas
 * 5) Does inverse tetration yield a new type of numbers?
 * 6) Calculating deviance in flightpaths

= December 18 = Reference_desk/Archives/Mathematics/2007 December 18


 * 1) s = cos(a).sin(a)
 * 2) 5 Cats and 3 mice
 * 3) Sophomore's dream

= December 19 = Reference_desk/Archives/Mathematics/2007 December 19


 * 1) 3 apples?
 * 2) Derivative of projectile function
 * 3) Is there any rule for looking at a fraction and knowing right away if it will terminate or repeat?
 * 4) Solution to a puzzle...
 * 5) Graph Theory Question
 * 6) Approximate angular size/distance revisited

= December 20 = Reference_desk/Archives/Mathematics/2007 December 20


 * 1) What's the big deal with 0.999...?
 * 2) Uniqueness of ODE

= December 21 = Reference_desk/Archives/Mathematics/2007 December 21


 * 1) 12 days of x-mas
 * 2) Best CAS Software
 * 3) Differentiation

= December 22 = Reference_desk/Archives/Mathematics/2007 December 22


 * 1) 2^222222222
 * 2) Unknown Series

= December 23 = Reference_desk/Archives/Mathematics/2007 December 23


 * 1) lowest altitude of sky visible from this scenario?
 * 2) Zero divided by zero = Error 2
 * 3) Fat tails in stock market index movements

= December 24 = Reference_desk/Archives/Mathematics/2007 December 24


 * 1) Computing with modular forms
 * 2) Attachment point formula

= December 25 = Reference_desk/Archives/Mathematics/2007 December 25


 * 1) Graphing a Fourier Transform
 * 2) Circles
 * 3) Coordinate axes
 * 4) Irrational exponents
 * 5) Integration

= December 26 = Reference_desk/Archives/Mathematics/2007 December 26


 * 1) Merry Christmas
 * 2) It's that time of the year again...
 * 3) Fundamental theorem of calculus
 * 4) Proposed change to mathematics style guidlines - use of period/full-stop
 * 5) Derivation/integration
 * 6) First-order linear differential equations
 * 7) Average number of runs in a bitstream
 * 8) Multi-dimensional discrete-time Fourier transform

= December 28 = Reference_desk/Archives/Mathematics/2007 December 28


 * 1) Integral formula?
 * 2) A vocabulary question in matrix theory
 * 3) Integration and irrational numbers generatings.

= December 29 = Reference_desk/Archives/Mathematics/2007 December 29


 * 1) Integration (2)
 * 2) Splitting a number into two by percentage

= December 30 = Reference_desk/Archives/Mathematics/2007 December 30


 * 1) Monstrous moonshine "numerology"

= December 31 = Reference_desk/Archives/Mathematics/2007 December 31


 * 1) "Compressibility" in mathematics
 * 2) Multivariable limit
 * 3) Dirichlet convolution and Dirichlet series