Wikipedia:Reference desk/Archives/Mathematics/April 2016

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April 1

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 2

1. Angle condition for equilateral polygons

April 3

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 3

1. Inhomogeneous heat equation on a finite interval

April 4

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 4

1. How do i calculate this special permutation?

April 5

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 5

1. Vector proof

April 6

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 7

1. Area, vertex, and boundary centroids
2. Interpolation and extrapolation

April 8

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 8

1. Goat problem

April 9

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 9

1. percentages

April 10

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 10

1. geometry problem

April 11

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 11

1. Calculating mean from stddev and deviation

April 12

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 12

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

April 13

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 14

1. What's the name for this?

April 15

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 15

1. Equations Over Ring
2. Dice puzzle

April 16

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 16

1. Isomorphic to all nontrivial normal subgroups

April 17

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 17

1. Lies, damn lies and Interpolating digitised data

April 19

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 19

1. geometry

April 20

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 20

1. Miminum Flow Problem
2. Octavan primes

April 21

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 21

1. Representing the exterior algebra

April 22

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 22

1. Notation in combinatorics
2. indirect derivatives

April 24

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 27

1. Generalization of perimeter and surface area to higher dimensions

April 30

Wikipedia:Reference_desk/Archives/Mathematics/2016 April 30

1. Calculating Expected Value