Wikipedia:Reference desk/Archives/Mathematics/May 2011

= May 1 = Reference_desk/Archives/Mathematics/2011 May 1


 * 1) Continuity
 * 2) Probability
 * 3) Identifying a quotient
 * 4) Tensors

= May 2 = Reference_desk/Archives/Mathematics/2011 May 2


 * 1) Product of series of a special form
 * 2) Statistics and Mutual Information
 * 3) Organization Membership Pattern

= May 3 = Reference_desk/Archives/Mathematics/2011 May 3


 * 1) Draupner Wave
 * 2) Taking loose change to Coinstar vs. rolling my own
 * 3) Are NURBS curves the most general class of curves that form a closed set under projective & perspective transforms?
 * 4) Multiplying by eight
 * 5) On r- Chromatic Graphs
 * 6) number theory

= May 4 = Reference_desk/Archives/Mathematics/2011 May 4


 * 1) Proof of matrix exponential identities
 * 2) PRNG based on Riemann Zeta Function
 * 3) Visually Displaying Divergence from a Planned Sequence
 * 4) Group theory: generators and relations within the commutator subgroup

= May 5 = Reference_desk/Archives/Mathematics/2011 May 5


 * 1) 2D Wiener Process
 * 2) Use of chinese remainder theorem, probably easy question

= May 6 = Reference_desk/Archives/Mathematics/2011 May 6


 * 1) Factoring equations into single polynomials
 * 2) GCE "A" level maths after the switch from GCEs to GCSEs
 * 3) Antisymmetric Matrix
 * 4) Probability (2 player game)

= May 7 = Reference_desk/Archives/Mathematics/2011 May 7


 * 1) Neural nets for time series forecasting
 * 2) Continued fractions and transcendentality
 * 3) Actuary

= May 8 = Reference_desk/Archives/Mathematics/2011 May 8


 * 1) LaTeX arithmetic
 * 2) Interesting series...

= May 9 = Reference_desk/Archives/Mathematics/2011 May 9


 * 1) Matlab number formatting
 * 2) 3D analog of a plane
 * 3) 3D surface

= May 10 = Reference_desk/Archives/Mathematics/2011 May 10


 * 1) Transcendental Functions
 * 2) Kelly criterion vs logarithmic utility function

= May 11 = Reference_desk/Archives/Mathematics/2011 May 11


 * 1) Using part of a character table to calculate the size of conjugacy classes
 * 2) should gay couples be given the legal right as heterosexual in adopting children?
 * 3) Markov chain mapping tools
 * 4) Another representation theory question: misunderstanding of the way irreducible representations decompose
 * 5) Probability problem.

= May 12 = Reference_desk/Archives/Mathematics/2011 May 12


 * 1) Special Relativity Small Angle Approx.
 * 2) Four Point Particles
 * 3) Density of a sphere packing
 * 4) What particularly strong reasons are there in favor of using equivalence classes?
 * 5) Simple puzzle
 * 6) Poppit probabilities

= May 13 = Reference_desk/Archives/Mathematics/2011 May 13


 * 1) Factoring Polynomials
 * 2) Latex
 * 3) Which are Martingales?
 * 4) Riemann Hurwitz formula and analytic maps on the Riemann Sphere

= May 15 = Reference_desk/Archives/Mathematics/2011 May 15


 * 1) Ellipse
 * 2) Multiplication of Cardinals and Order Preservation.
 * 3) Why is S5 a modal companion of CPC?
 * 4) Plane partitioning algorithm

= May 16 = Reference_desk/Archives/Mathematics/2011 May 16


 * 1) Black Scholes Transformation
 * 2) Area enclosed by ellipse equation
 * 3) Generating sequences based on probabilities
 * 4) Normal subgroups
 * 5) Is there a word for a (position, orientation) pair?
 * 6) Linear map from unit circle to ellipse

= May 17 = Reference_desk/Archives/Mathematics/2011 May 17


 * 1) Life density
 * 2) EXPAND MULTINOMIAL  EXPRESSION
 * 3) Making fake fields with known covariance
 * 4) Mobius transformations and concentric circles
 * 5) Probability Question

= May 18 = Reference_desk/Archives/Mathematics/2011 May 18


 * 1) Rubik's Cube Group Theory!
 * 2) sum
 * 3) financial accounting 1
 * 4) an "elementary calculation"
 * 5) help please
 * 6) Diophantine equations

= May 19 = Reference_desk/Archives/Mathematics/2011 May 19


 * 1) Independence of Wiener process increments (expectation of product of random normal variables)
 * 2) Conjecture about generalized Fermat numbers in base 10
 * 3) Banach spaces and continuous linear maps
 * 4) Lagrange Interpolation Method

= May 20 = Reference_desk/Archives/Mathematics/2011 May 20


 * 1) finding the zeroes from fractions
 * 2) Critical points
 * 3) Monster group

= May 21 = Reference_desk/Archives/Mathematics/2011 May 21


 * 1) Dead people
 * 2) Inequality proof
 * 3) statistics/probability of getting to an article via patterns?
 * 4) Data set/graph terminology

= May 22 = Reference_desk/Archives/Mathematics/2011 May 22


 * 1) Using identities to integrate
 * 2) "Reflective" property of repeated decimals
 * 3) Matrix multiplication
 * 4) question
 * 5) Terminology for the elements of a Polytope
 * 6) Remainder term of Taylor series
 * 7) Attempt to calculate the fundamental group of R^3 - a circle

= May 23 = Reference_desk/Archives/Mathematics/2011 May 23


 * 1) Partial differentiation under the integral sign
 * 2) Simple differentiation
 * 3) dervative
 * 4) hyperbola
 * 5) MATHEMATICS FOR PHYSICS
 * 6) Student's t-distribution - for dummies
 * 7) proof?

= May 25 = Reference_desk/Archives/Mathematics/2011 May 25


 * 1) floating point multiplication
 * 2) area of sine using real numbers (maybe radians)
 * 3) Degenerate Hopf Bifurcation
 * 4) Probability question
 * 5) Mathematics equivalent of the scientific method

= May 26 = Reference_desk/Archives/Mathematics/2011 May 26


 * 1) chord and arc leangth
 * 2) Backwards induction optimisation problem (Bellman eqn)
 * 3) Equation help, please
 * 4) unlimited substitutability in logic notation
 * 5) function equals infinity

= May 27 = Reference_desk/Archives/Mathematics/2011 May 27


 * 1) Differentiability
 * 2) Latex Bracket Question
 * 3) Rank of TC(x)
 * 4) Inverse Laplace Transform
 * 5) Mapping from one region to another
 * 6) Conformal Mapping
 * 7) Electromagnetism
 * 8) Cayley′s theorem

= May 28 = Reference_desk/Archives/Mathematics/2011 May 28


 * 1) Inequality
 * 2) Roots vs Eigenvalues
 * 3) DCPO + Every finite subset has a join = CPO
 * 4) topological graph theory
 * 5) Stochastic matrix question
 * 6) Another matrix question(s)

= May 29 = Reference_desk/Archives/Mathematics/2011 May 29


 * 1) is the difference between 1x and 3x 2x or 3x?
 * 2) what's the relationship between 'formula'  'equation'  'function' in mathematical Perspective?

= May 30 = Reference_desk/Archives/Mathematics/2011 May 30


 * 1) Centre Manifold and Limit Cycle
 * 2) Integration

= May 31 = Reference_desk/Archives/Mathematics/2011 May 31


 * 1) Three equations, three unknown angles
 * 2) Confirm whether I've proved this right: normed spaces and linear subspaces
 * 3) Matrices
 * 4) Particular graph example: Turan graph related