Wikipedia:Reference desk/Archives/Mathematics/June 2013

= June 1 = Reference_desk/Archives/Mathematics/2013 June 1


 * 1) Question regarding a 4 x 4 sliding tiles puzzle
 * 2) Permutations
 * 3) Question regarding a congruence and the multiplicative order
 * 4) Circulation

= June 2 = Reference_desk/Archives/Mathematics/2013 June 2


 * 1) Optimization problem

= June 4 = Reference_desk/Archives/Mathematics/2013 June 4


 * 1) What topics in mathematics should I read to understand the article Einstein field equations?
 * 2) To solve a simple mathematical equation, can we take derivative or integral of both sides and then solve the equation?

= June 5 = Reference_desk/Archives/Mathematics/2013 June 5


 * 1) Deriving the vector equation of the intersection of two planes
 * 2) Convergence of an Infinite Series
 * 3) Continuity and Limits
 * 4) Can anybody help me ?
 * 5) Efficient way to divide

= June 6 = Reference_desk/Archives/Mathematics/2013 June 6


 * 1) Shortcut methods or tricks for solving mathematical and numerical problems
 * 2) One last question, I promise!
 * 3) What are "complex curves"?
 * 4) Chess Knight move math problem.

= June 8 = Reference_desk/Archives/Mathematics/2013 June 8


 * 1) Correspondence Between Behaviour of Series and Density of Sequences

= June 10 = Reference_desk/Archives/Mathematics/2013 June 10


 * 1) Why is the angle defined via area instead of arc length?
 * 2) Changing a matrix so that a multiplication is preserved
 * 3) Basic Demonstration Required
 * 4) Vector projection

= June 11 = Reference_desk/Archives/Mathematics/2013 June 11


 * 1) 5 dimensional rotation matrix
 * 2) Constrained minimal circle

= June 12 = Reference_desk/Archives/Mathematics/2013 June 12


 * 1) What is the difference (if any) between a matrix and a table?
 * 2) No Two Real Numbers Adjacent

= June 13 = Reference_desk/Archives/Mathematics/2013 June 13


 * 1) Prove change of variables theorem for triple integrals
 * 2) Name of a theorem
 * 3) Searching math literature

= June 14 = Reference_desk/Archives/Mathematics/2013 June 14


 * 1) Curves over finite fields

= June 15 = Reference_desk/Archives/Mathematics/2013 June 15


 * 1) It is possible to mix range voting system with condoncert one?

= June 16 = Reference_desk/Archives/Mathematics/2013 June 16


 * 1) Determining the signature of a permutation without trying to rearranging it for the original sequence

= June 17 = Reference_desk/Archives/Mathematics/2013 June 17


 * 1) What does this "mean" ?
 * 2) Computational limits

= June 18 = Reference_desk/Archives/Mathematics/2013 June 18


 * 1) Measure Theory and non-measurable (caratheodory-measurability) set

= June 19 = Reference_desk/Archives/Mathematics/2013 June 19


 * 1) Trial Solution for Nonhomogeneous Differential Equation
 * 2) Continuous-time Markov chain in the limit of infinitely many states

= June 20 = Reference_desk/Archives/Mathematics/2013 June 20


 * 1) limits and functions application
 * 2) basic modular arithmetics question

= June 22 = Reference_desk/Archives/Mathematics/2013 June 22


 * 1) double coset question

= June 23 = Reference_desk/Archives/Mathematics/2013 June 23


 * 1) Kinetic energy of symmetric top in an unusual parametrization

= June 24 = Reference_desk/Archives/Mathematics/2013 June 24


 * 1) Derivation of a ternary plot from Cartesian coordinates
 * 2) Weighted average

= June 25 = Reference_desk/Archives/Mathematics/2013 June 25


 * 1) Reimann zeta function functional equation.
 * 2) Life Expectancy Probability

= June 30 = Reference_desk/Archives/Mathematics/2013 June 30


 * 1) Mathematical tricks using numbers
 * 2) Copeland-Erdős constant and normality
 * 3) A. Numerical solutions to 4/(4n+1)    B. The problem 5/(5n+1)=1/a+1/b+1/c