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Wikipedia: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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 1

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

March 2

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 2

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

March 3

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 3

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

March 4

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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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 5

  1. A maximum/minimum value question

March 6

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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

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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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 8

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

March 9

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 9

  1. Examples of convolution

March 10

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 10

  1. Game theory assignment

March 12

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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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 13

  1. Is this an error in the article?

March 14

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 14

  1. Probability

March 15

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 15

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

March 16

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 16

  1. IMO problem
  2. Pollution

March 17

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 17

  1. Stuck

March 18

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 18

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

March 19

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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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 20

  1. Normal Distribution
  2. Integral of 1/x

March 21

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 21

  1. Number Theory Problems

March 22

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 22

  1. 0/0

March 23

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 23

  1. Nonconvex polyhedra
  2. mechanics

March 24

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 24

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

March 25

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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

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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

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 27

  1. Mathematics research

March 28

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 28

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

March 29

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 29

  1. How many figures of Pi are still useful?

March 30

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 30

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

March 31

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Wikipedia:Reference_desk/Archives/Mathematics/2013 March 31

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