Wikipedia:Reference desk/Archives/Mathematics/April 2016

= April 1 = Reference_desk/Archives/Mathematics/2016 April 1


 * 1) Imaginary
 * 2) Another universe
 * 3) Sections for the 24-cell edge first and 24-cell face first?
 * 4) Chains forming a matroid

= April 2 = Reference_desk/Archives/Mathematics/2016 April 2


 * 1) Angle condition for equilateral polygons

= April 3 = Reference_desk/Archives/Mathematics/2016 April 3


 * 1) Inhomogeneous heat equation on a finite interval

= April 4 = Reference_desk/Archives/Mathematics/2016 April 4


 * 1) How do i calculate this special permutation?

= April 5 = Reference_desk/Archives/Mathematics/2016 April 5


 * 1) Vector proof

= April 6 = Reference_desk/Archives/Mathematics/2016 April 6


 * 1) Sums using multiple variables: A question about sigma notation
 * 2) What are the odds that a person will die on his birthday?

= April 7 = Reference_desk/Archives/Mathematics/2016 April 7


 * 1) Area, vertex, and boundary centroids
 * 2) Interpolation and extrapolation

= April 8 = Reference_desk/Archives/Mathematics/2016 April 8


 * 1) Goat problem

= April 9 = Reference_desk/Archives/Mathematics/2016 April 9


 * 1) percentages

= April 10 = Reference_desk/Archives/Mathematics/2016 April 10


 * 1) geometry problem

= April 11 = Reference_desk/Archives/Mathematics/2016 April 11


 * 1) Calculating mean from stddev and deviation

= April 12 = Reference_desk/Archives/Mathematics/2016 April 12


 * 1) Using a trapezoidal mean as an approximate fixed average to reflect a fluid error?

= April 13 = Reference_desk/Archives/Mathematics/2016 April 13


 * 1) What is the strict/technical definition for geometric shapes?  Does it include/exclude the area inside the shape?

= April 14 = Reference_desk/Archives/Mathematics/2016 April 14


 * 1) What's the name for this?

= April 15 = Reference_desk/Archives/Mathematics/2016 April 15


 * 1) Equations Over Ring
 * 2) Dice puzzle

= April 16 = Reference_desk/Archives/Mathematics/2016 April 16


 * 1) Isomorphic to all nontrivial normal subgroups

= April 17 = Reference_desk/Archives/Mathematics/2016 April 17


 * 1) Lies, damn lies and Interpolating digitised data

= April 19 = Reference_desk/Archives/Mathematics/2016 April 19


 * 1) geometry

= April 20 = Reference_desk/Archives/Mathematics/2016 April 20


 * 1) Miminum Flow Problem
 * 2) Octavan primes

= April 21 = Reference_desk/Archives/Mathematics/2016 April 21


 * 1) Representing the exterior algebra

= April 22 = Reference_desk/Archives/Mathematics/2016 April 22


 * 1) Notation in combinatorics
 * 2) indirect derivatives

= April 24 = Reference_desk/Archives/Mathematics/2016 April 24


 * 1) Card models ( making a Bridge Arch)...
 * 2) My data does not make sense.
 * 3) Rings surjecting to localizations

= April 25 = Reference_desk/Archives/Mathematics/2016 April 25


 * 1) What's the chance of getting AKQJT suited or AKQJT9 suited in a trick taking game?

= April 27 = Reference_desk/Archives/Mathematics/2016 April 27


 * 1) Generalization of perimeter and surface area to higher dimensions

= April 30 = Reference_desk/Archives/Mathematics/2016 April 30


 * 1) Calculating Expected Value