English Wikipedia @ Freddythechick:Reference desk/Archives/Mathematics/March 2013

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Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.

March 1

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 1

1. Am I smarter than a 5th grade math textbook?

March 2

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 2

1. Correlation =//= Causation... Ever?
2. Restricted polyabolos

March 3

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 3

1. Human-made mazes (complex branching passages)
2. Limit points in the cartesian plane

March 4

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 4

1. What did von Neumann's variant of von Neumann–Bernays–Gödel set theory look like?
2. Doubling the cube
3. Penrose tiles puzzle pieces

March 5

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 5

1. A maximum/minimum value question

March 6

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 6

1. Gamma ~= 1 / √3
2. A strange relationship to seeing in art drawing
3. Calculating RGB values for images
4. Errors in measurments and estimations
5. Posting here is really slow today

March 7

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 7

1. Another integral formula for the Gamma/Factorial function
2. Can you use propositional logic/calculus to construct mathematical models for quantitative research?
3. Preformatted math-tags cut this page 30 seconds
4. A truck and a person

March 8

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 8

1. Statistical analsysis
2. exp(i2PI)=1 then i2PI=ln1=0?? thank you!!

March 9

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 9

1. Examples of convolution

March 10

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 10

1. Game theory assignment

March 12

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 12

1. Project Euler 418
2. Can you modify any of a normal number's first digits without affecting its normality?

March 13

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 13

1. Is this an error in the article?

March 14

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 14

1. Probability

March 15

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 15

1. economics; calculation of shares and interest rate [country; nigeria, africa

March 16

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 16

1. IMO problem
2. Pollution

March 17

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 17

1. Stuck

March 18

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 18

1. 36 cube puzzle and Graeco-Latin squares
2. Isosceles trapezoid definition

March 19

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 19

1. Why is the Integer zero-dimensional?
2. Fibonacci n
3. Period of a repeating sequence

March 20

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 20

1. Normal Distribution
2. Integral of 1/x

March 21

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 21

1. Number Theory Problems

March 22

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 22

1. 0/0

March 23

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 23

1. Nonconvex polyhedra
2. mechanics

March 24

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 24

1. The symbol used when defining the alphabet of a language

March 25

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 25

1. Parent function
2. A Question of Convergence
3. Loss of information
4. Integer-only Mathematics

March 26

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 26

1. Perspective correct interpolation of screen coordinates given desired texture coordinates on a plane
2. Why Are All Basic Irrationals So Close to Multiples of 1/7 ?
3. Independence number of a cycle

March 27

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 27

1. Mathematics research

March 28

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 28

1. Division by infinity
2. Computing in infinite matrix groups

March 29

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 29

1. How many figures of Pi are still useful?

March 30

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 30

1. Incorrect proof of boundary property
2. Treating linear differential operators like a matrices

March 31

Wikipedia:Reference_desk/Archives/Mathematics/2013 March 31

1. Dx - xD = 1, why does this not commute?