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Wikipedia:Reference desk/Archives/Mathematics/September 2011

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September 1

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 1

  1. No (x) ?
  2. Uniqueness and existence of the positive nth root
  3. Analytic Functions

September 2

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 2

  1. Finding reverse mapping in modular arithmetic problem
  2. Column comparison
  3. Cubic metric
  4. Probability issue and programming it

September 3

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 3

  1. Sampling distribution of a difference between two independent sample proportions

September 5

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 5

  1. make all sums
  2. word problem

September 6

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 6

  1. Lottery games similar to australia's "soccer pools"
  2. Conjugacy class?
  3. Tile stacking
  4. Motivation to study mathematics
  5. Dispersion formula

September 7

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 7

  1. infinity

September 8

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 8

  1. Did I use neighborhood right?
  2. Maximising winnings on Euromillions
  3. (-1/3)^(-1/3)
  4. Toric Configuration Space

September 9

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 9

  1. What does the Standard Deviation represent in laymans terms
  2. Hypergeometric Series
  3. Inverse of 4th degree polynomial
  4. mathematics

September 10

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 10

  1. Enormous number digits puzzle
  2. Limit question

September 11

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 11

  1. Can't recall details of a math puzzle
  2. Question about formula involving exponential functions
  3. Tensors over ℤ2

September 12

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 12

  1. Checking Conservativeness
  2. Time series in Excel

September 13

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 13

  1. Name for variable update procedure
  2. Relationship between Computer Science and Mathematics
  3. universe where pi is 3
  4. Variant of Entscheidungsproblem

September 15

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 15

  1. Average area of random triangle inside the unit ball
  2. What is the Differential, anyway ?
  3. Help with Diophantine approximation problem

September 16

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 16

  1. Aleph numbers

September 17

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 17

  1. Normalizing logarithmic lines
  2. Finding the transformations of a matrix

September 18

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 18

  1. Continuous function
  2. (Simple?) projectile motion

September 19

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 19

  1. Different Types of Integrals and Derivatives
  2. Three person oblivious transfer
  3. Distribution of charge in 1,2,3 dimensions on symmetrical bodies
  4. I keep coming back to this question, and it never makes sense to me.
  5. how would mathematicians react if math had human, contemporary meaning?

September 20

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 20

  1. When will Goldbach's conjecture be tested.
  2. Intergrating ring of charge in 1/r field
  3. Laplacian correction for discriminative naive Bayes
  4. Is this function chaotic

September 21

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 21

  1. Binary numbers with no adjacent 1s
  2. eating mashed potatoes with your hands when silverware is available

September 22

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 22

  1. Mixed Member Proportional Voting and Gerrymandering

September 23

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 23

  1. 360 sq centimeters
  2. Speed of Light
  3. Could someone please check this comment on Balanced ternary?
  4. The cartesian plane as a sphere - theoretical maths
  5. maximum traffic flow
  6. Derivative of Sine

September 24

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 24

  1. Logarithms of non-positive real numbers

September 25

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 25

  1. How to find specific arguments of two functions
  2. Differential dx
  3. What does the mathematical symbol ⊙ represent?
  4. counting
  5. Game Theory Q

September 26

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 26

  1. A bit on the Heavi Side
  2. Trig identity and complex numbers.

September 27

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 27

  1. Multiply 3-dimensional matrices
  2. Easy way to judge if a holomorphic function is an injection and/or has no branch points
  3. Are polynomial functions invertible
  4. ultrafilters
  5. Explicit Runge-Kutta methods
  6. Quick question on exponentials
  7. Series

September 28

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Wikipedia:Reference_desk/Archives/Mathematics/2011 September 28

  1. Power Spectrum Estimation
  2. Integral Truths and mein eigenes Problem
  3. polar range
  4. collide with earth?
  5. epsilon-delta