Wikipedia:Reference desk/Archives/Mathematics/May 2013

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May 1

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 1

1. The closeness of the hyperreals
2. (Un)folded paper pattern
3. What fraction of moonlight is at night?
4. The Polylogarithm and Palindromic polynomials

May 4

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 4

1. Explicit equations for these three sequences

May 5

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 5

1. Rolling all 6 numbers

May 6

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 6

1. Summing an infinite series?

May 7

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 7

1. Why does Pi appear in Stirling's approximation and Gaussian integrals ?

May 8

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 8

1. Four scatter plots with same mean, standard deviation and other equalities

May 9

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 9

1. quick math help
2. Random walk collision
3. Solving harmonic sin waves
4. What does this example mean?
5. The proof of the splitting lemma
6. Puzzling trig problems

May 10

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 10

1. Combinatorics

May 11

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 11

1. Ramanujan's Pi Formula
2. use of summation in fractions

May 13

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 13

1. The Number Between 0 and 1 That Doesn't Exist
2. Knight moves on an infinite board.
3. chord question

May 14

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 14

1. Need suggestions for a math topic
2. Shortest paths between 3d co-ordinates

May 15

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 15

1. Dijkstra's algorithm
2. Decomposing a simply-connected space
3. Expected value convergence question

May 16

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 16

1. Magic square type Combinatorics Problem

May 17

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 17

1. Hyper-Exponential Function

May 18

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 18

1. Most efficient way to place rooms in a compound whilst following certain criteria
2. Rational sine
3. How does x^2 + x + 3 relate to area in real life?
4. Nm conversion to pound/feet or poun/inches

May 19

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 19

1. Reprised Confusion over Wikipedia Definitions of Sigma Additivity
2. Parzen density estimate conditional variance
3. Convergent or Divergent ?
4. Minimum value of difference of Powers of Integers

May 20

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 20

1. Rationalisation

May 21

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 21

1. Twin primes

May 22

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 22

1. Free loop generalization of Chen's iterated integrals

May 24

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 24

1. Integral of different type
2. Antiderivative of gamma function
3. Ruler and compass construction
4. Interior of connected components
5. Combining p-values
6. martingale versus random walk

May 25

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 25

1. Parameters of a mechanical system
2. Find the value of 'x' in the triangle of linked image
3. height of arc from length of arc and length of chord

May 26

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 26

1. P!=NP based on its own proof difficulty?
2. Green's relations

May 27

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 27

1. Resumed Discussion of Reprised Confusion over Wikipedia Definitions of Sigma Additivity

May 28

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 28

1. A Number With All Digits Equal Can Never Be A Perfect Square

May 29

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 29

1. Irrotational points of a vector field

May 30

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 30

1. Generalized totient function
2. Elliptic integrals and Gaussian integrals

May 31

Wikipedia:Reference_desk/Archives/Mathematics/2013 May 31

1. Linear independence of partial derivatives
2. Two questions related to sphere packing...
3. Borsuk's question
4. Is it correct to equate the 2nd equation?