Wikipedia:Reference desk/Archives/Mathematics/November 2008

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November 1

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 1

1. Rubik's cube and Square one
2. Adding two waves

November 2

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 2

1. 'Mistake' in counterexamples in topology
2. Prufer code Cryptography?
3. The Toronto Problem
4. Largests prime with no holes?
5. Spider solitaire
6. Equivalence of 0-1 matrices

November 4

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 4

1. Pi
2. Directed sets
3. Regular Polygon
4. Fraction Needed
5. why the need
6. Characteristic polynomial of product of two matrices

November 5

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 5

1. Some Econ Questions
2. algebra
3. Multinomial logit
4. Statistics question

November 6

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 6

1. Labeled graph with non-scalar labels
2. Matrix question
3. "Simply" integrate
4. What's the most general model for random graphs?
5. left hand on wall of maze...wtf?
6. sphere - ball, circle -> ??
7. Least prime greater than n
8. density (per unit volume) vs density (per unit area) or per unit hypervolume even

November 7

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 7

1. Distance between currves
2. What is the integral of the Dirichlet function?
3. halogen derivatives of alkanes
4. Measuring buildings from photos
5. Equivalence relations on square matrices

November 8

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 8

1. How does this work?
2. A quantity linked to a graph.
3. Is L really a splitting field?
4. A number

November 9

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 9

1. rationalize more than two
2. if someone suddenly became as smart as humanly possible at math, what could they do?
3. Interblags
4. Equations of Motion: Why is velocity sometimes given as ^-1 and sometimes with ^-2
5. This function

November 10

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 10

1. probability
2. Driving carefully

November 11

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 11

1. Subset symbol doesn't render on Wikipedia
2. prove that cosine law
3. Necessary and sufficient conditions for a space to be pra-metrizable
4. Difficult integration

November 12

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 12

1. Strange LaTeX feature
2. Very improbable election results

November 13

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 13

1. What is the purpose of a quadratic equation?
2. Oldest known unsolved mathematical conjecture? (Possibly with legitamate references?)Taffycaker (talk) 13:12, 13 November 2008 (UTC)
3. pi
4. Dominoes game strategy
5. Curve Sketching Program

November 14

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 14

1. Fractal circle
2. what kinds of math can and can't you do orally (no symbols)
3. anything ever proved true that was almost certainly false (or vice versa?)
4. first mathematician. left-handed mathematician.
5. O(n log n) Polynomial Derivative Evaluation?

November 15

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 15

1. Countable compactness => Lindelof (under what conditions)
2. Number of terms

November 16

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 16

1. definition and usage of "identity"
2. 1x1 matrix determinant
3. The Derivative

November 17

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 17

1. Polynomials
2. Matrix
3. Mathmatic
4. Basic mechanics
5. Real Analysis: Inverse of continuous function of interior set
6. Emacs + LaTex on Windows XP

November 18

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 18

1. statistics
2. Vector Perdipendicular Product
3. gauss?

November 19

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 19

1. Indescribable real numbers?
2. What is the generalized term for exponentiation?
3. Statistics - mtcars dataset

November 20

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 20

1. Smooth GPS track with time
2. Summation
3. Constructing a specific finite state automaton
4. Bounding Box

November 21

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 21

1. Inverse fourier transforms
2. Probability vs Common Sense

November 22

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 22

1. Set theory questions
2. Category Theory
3. geometry(shape and size,undefined terms)
4. Linear feedback shift register
5. RPN

November 23

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 23

1. Sum of Roots
2. Numbers with the sme numerals
3. The Thinking Person's (Re-)Introduction to Probability
4. eigenvalues
5. maths
6. Quick Parabolic Interpolation

November 24

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 24

1. Difficulty while integrating
2. Factorising polynomials
3. negative fractional powers
4. Derivative and product
5. Test for vertex transitivity
6. statistics on dually diagnosed patients in-patient stays

November 25

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 25

1. Inflection point midway between relative extrema
2. Math puzzle based on number of factors?
3. How many cases to know a population?
4. Need help converting concept into mathematical formula
5. maximum entropy

November 26

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 26

1. Incorrect theorem
2. How often (if ever) do lotteries have a positive expectation?
3. Algebra for college
4. A hypothesis in probability and statatistics
5. Circles
6. Logarithm problem
7. Elliptic curve

November 27

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 27

1. Diophantine
2. Philosophy of probability

November 28

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 28

1. Capital pi notation
2. Name of theorem/conjecture
3. Google Billboard Riddle

November 29

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 29

1. Quadratic Equation

November 30

Wikipedia:Reference_desk/Archives/Mathematics/2008 November 30

1. Polar graph racism?
2. Limit
3. Third derivative