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Wikipedia:Reference desk/Archives/Mathematics/December 2010

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December 1

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 1

  1. what's my degree worth?
  2. Calculus
  3. Automorphisms of free products

December 2

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 2

  1. ZFC as a set of construction rules
  2. Chebyshev Polynomial Coefficients
  3. Computerised proofs

December 4

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 4

  1. Card shuffling problem
  2. further damaging the worst sort
  3. Easy to use time-series or forecasting software
  4. Fixed-length rope between two posts

December 5

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 5

  1. Quadratic Residues
  2. Trouble with finding Arc length
  3. how do you calculate the probability of something that has never happened?
  4. Medians of percentages
  5. Solving under multiple square roots
  6. Integer sequence

December 6

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 6

  1. Continuity and uniform continuity
  2. Rigor of a wikibooks article
  3. the uncountable real "numbers"
  4. Golden Ratio
  5. ∑ra^r
  6. Rotation of solids (calculus I HW)
  7. Characters on homology groups of simplicial complexes
  8. 1/N
  9. Numerical integration
  10. Well-definition and definability

December 7

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 7

  1. Wilson's theorem
  2. Compression of Primes
  3. Sagarin rankings + possibilities

December 8

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 8

  1. Approximating the relative value of three positive real numbers x:y:z with positive integers a:b:c

December 9

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 9

  1. Sum of Roots of Polynomial
  2. Name this Surface

December 10

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 10

  1. grade
  2. Attempted Proof that P is not equal to NP (need peer review).

December 11

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 11

  1. Formulas for finding sums
  2. a^x+b^x≠c^x when x>2
  3. Proper Use of Heuristic Involving PNT?
  4. Integral

December 12

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 12

  1. Most circular countries
  2. Rocket to the Moon , HSC question.
  3. A Logic Question

December 13

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 13

  1. Ambiguous problem(apparently)
  2. Coding qualitative variables as dummy variables
  3. Theory of constant-Jacobian coordinate changes
  4. Integral from Biot-Savart law
  5. History: irrationality of powers of pi
  6. Intersecting loops

December 14

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 14

  1. Slight variation on the angle sum formulae
  2. Combining two low resolution images
  3. Cluster points of uncountable sets
  4. logical terminology

December 15

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 15

  1. Something weird
  2. Laws of Mathematics
  3. Series
  4. centre of circle

December 16

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 16

  1. Probability
  2. Calculus textbook question
  3. Probability and combinatorics

December 17

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 17

  1. textbook equation doesn't work.
  2. Derivative question
  3. units in equations, cancelling
  4. Rational points on a circle

December 18

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 18

  1. Calculus practice
  2. Nonogram constant

December 19

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 19

  1. Unclear about an equation in an article
  2. Fourier transform of a multivariate gaussian
  3. Can someone give a simpler explanation of ultraradicals to me?

December 20

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 20

  1. Binomial distribution for small p, high right tails, mental calculation?
  2. Table of marks
  3. Euclid's Algorithm

December 21

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 21

  1. Question about Limits and Functions
  2. statistics symbol

December 22

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 22

  1. Parametric equations
  2. Basic probability question
  3. Adjustment for symbolic regression
  4. Two translation articles
  5. How to define that a set is inside another set

December 24

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 24

  1. Why does this get so ugly so fast? (factoring cubic equations)
  2. Why can't I take the indefinite integral of the reciprocate of the Log Integral function?
  3. Condition of a circle within another circle

December 25

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 25

  1. Can someone please explain this trick? Thanks.
  2. Mouse in a maze
  3. Center of simple algebra field

December 26

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 26

  1. Reference request for certain linear sequences of functions.

December 27

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 27

  1. applied mathematical.
  2. Euclid's Algorithm Part II

December 28

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 28

  1. Acyclic Undirected Graph

December 29

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 29

  1. Inverse of an infinite tridiagonal matrix
  2. so what's a fractal dimension anyway?
  3. Irreducible quartic polynomials with Galois group A4
  4. Homology and Cohomology

December 30

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 30

  1. matrices

December 31

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Wikipedia:Reference_desk/Archives/Mathematics/2010 December 31

  1. Drawing Lines.....
  2. pseudocode to rotate an array by 90 degrees as a square
  3. Number of possible letters games
  4. Nature of SL(2,F5)
  5. ii
  6. Behaviour of a function similar to a periodic function