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September 1

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 1

  1. Rotation matrix: counterclockwise vs. clockwise
  2. Convert procedure to formula?
  3. Another number theory problem
  4. Name of a curve

September 2

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 2

  1. find scalar values a, b and c
  2. Numerical analysis notation
  3. Drawing 45-45-90 triangles on spheres

September 3

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 3

  1. Standard deviation
  2. Random variables
  3. Formula images
  4. Homogeneous polynomials

September 4

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 4

  1. Need a better parametric test for a sine-wave distribution.
  2. When to use Kendall / Spearman correlations instead of Pearson's?
  3. What is the test of statistical significance for nominal variables?

September 5

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 5

  1. Question on polynomials
  2. Jensen's inequality?
  3. Limit Question
  4. dL

September 6

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 6

  1. Proving the sequence defining e converges
  2. The Space of Oriented Geodesics
  3. big-O?

September 7

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 7

  1. What does this expression count?
  2. Good grief, not another homework question
  3. Dixon's Method of Factorization

September 8

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 8

  1. Σ and ʃ

September 9

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 9

  1. Atmospheric carbon scenario difference projections again
  2. Fitting a parabola and Euler's theorem
  3. Underline notation for n!/(n-k)!
  4. SVD and Polysemy
  5. Radom number generation
  6. Truncated lognormal distribution
  7. Finding Remainder using Scientific Cal?
  8. e-values and e-vectors of a transition matrix

September 11

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 11

  1. Markov chains
  2. basic probability / stats question
  3. Graph of x^2 + y^2 = 1
  4. Evaluating a sum
  5. A Simple Random Walk
  6. Special Orthogonal Group
  7. Divergence Theorem
  8. Tabular method of integration by parts

September 12

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 12

  1. Laplace's Equation
  2. Polynomial division
  3. Summation Convention
  4. Probability Question

September 13

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 13

  1. exponents
  2. Inverse function
  3. Math

September 14

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 14

  1. Vector as an integrand
  2. Vector Problem
  3. Orthogonality of Fourier basis for L2[R]
  4. Octahedral Symmetry

September 15

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 15

  1. 3rd Axiom of Probability
  2. Polynomial Achieving Infimum
  3. Box-Muller Transformation
  4. Riemann Zeta Function
  5. Synthetic division

September 16

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 16

  1. Semisimple modules completely determined by character trace map?
  2. Rado numbers
  3. Surface Normal

September 17

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 17

  1. Probability distribution with kurtosis parameter
  2. Countability
  3. A proof that in euclidean space pi is a constant.
  4. Request for statistics article review

September 18

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 18

  1. Finding maximum clique in a largish graph
  2. Placing equally spaced vertices in a curve (but not based on arc length)
  3. Casimir Operator
  4. Inequality question- For which values of k does the inequality hold for all real values of x?
  5. Every real/complex algebra, generated by real-symmetric matrices is semisimple?
  6. American Mathematicians
  7. Index of a subgroup
  8. Base and mod, 2 qs
  9. Higher Dimensional Results
  10. Rado's theorem doubt

September 19

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 19

  1. Expression of a rational number in powers of p
  2. Is every permutation group decomposable into a group direct product of cyclic subgroups
  3. braids, knots, and links

September 20

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 20

  1. Your article

September 21

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 21

  1. Projectile Motion problem
  2. Integration by Parts
  3. Asymptote and limit

September 22

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 22

  1. quantifier depth examples
  2. Instantaneous Acceleration/Uniform Circular Motion
  3. Determining a volunteering shift
  4. defining a function
  5. Zero polynomial

September 23

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 23

  1. Mystery trig identity

September 24

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 24

  1. Limit
  2. Using 2d complex vectors to represent 4d space
  3. Is there a way to analytically find the inverse of y=x^x on [1,∞)?
  4. Stirling's approximation
  5. Learn Calculus

September 25

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 25

  1. Calculating powers of one polynomial modulo another efficiently over GF(p)
  2. Limit question

September 26

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 26

  1. Limit of sum
  2. Function
  3. Numerical precision limitations on matrix inverses

September 27

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 27

  1. Elevator, Force/Mass question
  2. Volume of a cone

September 28

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 28

  1. Polynomials and symmetries
  2. Generalization of cut and choose
  3. Evaluating the sum of the sums of geometric progression
  4. Decomposing a standard normal CDF
  5. N throws of an unbalanced coin
  6. Topology
  7. Horizontal acceleration

September 29

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 29

  1. Proving converse of the Euclid's Lemma
  2. Linear Algebra
  3. z=cos2x+isin2x
  4. Implicit differentiation and polynomial division revisited

September 30

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Wikipedia:Reference_desk/Archives/Mathematics/2010 September 30

  1. Poisson Process
  2. Use de Moivre's theorem and the Pythagorean identity?
  3. Projectile motion problem
  4. Finding function definition from description
  5. {0,1} support RV
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