Wikipedia:Reference desk/Archives/Mathematics/November 2010

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November 1

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 2

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

November 3

Wikipedia: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 e^x

November 4

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 4

1. graph automorphism
2. Two questions

November 5

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 7

1. Check my math please

November 8

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 13

1. Infinitely differentiable implies polynomial
2. Calculus in a nutshell

November 14

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 14

1. System of nonlinear equations (I think?)

November 15

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 17

1. Function
2. ring problem
3. Integer
4. Flavor

November 18

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 18

1. A financial math problem
2. Simple extremal subgraph query

November 19

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 19

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

November 21

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 21

1. Fourier Transform

November 22

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 22

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

November 23

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 28

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

November 29

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 29

1. Coordinate Changes
2. Irrationality of logarithms with rational bases

November 30

Wikipedia:Reference_desk/Archives/Mathematics/2010 November 30

1. Graph Ramsey Theory
2. Symmetric Matrix