Wikipedia:Reference desk/Archives/Mathematics/December 2007

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December 1

Wikipedia: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

Wikipedia: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. [[Wikipedia:Reference_desk/Archives/Mathematics/2007 December 2#Hopefully Easy Geometry Term Question...<.2Ffont>|Hopefully Easy Geometry Term Question...]]

December 3

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 4

1. Numbers in matrices
2. Why dont i get this?

December 5

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 6

1. [http://www.handdrawngames.com/DesktopTD/game.asp desktop tower defence]
2. Find the prime factorization 330
3. cryptography
4. More math help
5. Years

December 7

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 8

1. Shortest distance between two points on the globe

December 9

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 9

1. Local extrema
2. Jian squares
3. XORing strings

December 10

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 10

1. Nothing?

December 11

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 12

1. Entering cosine repeatedly
2. BibTeX and Beamer

December 13

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 13

1. How do I solve this optimization problem with calculus?

December 14

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 15

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

December 16

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 16

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

December 17

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 20

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

December 21

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 21

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

December 22

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 22

1. 2^222222222
2. Unknown Series

December 23

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 24

1. Computing with modular forms
2. Attachment point formula

December 25

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 25

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

December 26

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 29

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

December 30

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 30

1. Monstrous moonshine "numerology"

December 31

Wikipedia:Reference_desk/Archives/Mathematics/2007 December 31

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