Wikipedia:Reference desk/Archives/Mathematics/November 2008

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style="background: #5D7CBA; text-align: center; font-family:Arial; color:#FFFFFF;" | Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.

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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