Wikipedia:Reference desk/Archives/Mathematics/June 2013

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June 1

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 2

1. Optimization problem

June 4

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 8

1. Correspondence Between Behaviour of Series and Density of Sequences

June 10

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 11

1. 5 dimensional rotation matrix
2. Constrained minimal circle

June 12

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 14

1. Curves over finite fields

June 15

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 15

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

June 16

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 17

1. What does this "mean" ?
2. Computational limits

June 18

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 18

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

June 19

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 20

1. limits and functions application
2. basic modular arithmetics question

June 22

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 22

1. double coset question

June 23

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 23

1. Kinetic energy of symmetric top in an unusual parametrization

June 24

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 24

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

June 25

Wikipedia:Reference_desk/Archives/Mathematics/2013 June 25

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

June 30

Wikipedia: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