Wikipedia:Reference desk/Archives/Mathematics/January 2012

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January 2

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 2

1. Exporting data from TI-Nspire Student Software

January 3

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 3

1. Dowsing
2. Model Theory and Category Theory
3. Differentials and uncertainties

January 4

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 4

1. Wikification of Rational point
2. The founder of the pyramid of Giza
3. Variables used for specific things

January 5

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 5

1. Goodness of Fit
2. Power series

January 6

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 6

1. How did mathematicians figure out trigonometric raios?
2. solving all quintics by algebraic means
3. What would it cost to wall off Pakistan from Afghanistan?
4. I need a mathematical function that scores 0 for "infinitely incorrect estimate" or "no answer" and 1 for "exactly precise answer"

January 7

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 7

1. standard scrabble points
2. Two- or three-dimensional chaotic system or map with at least two parameters

January 8

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 8

1. Cardinality
2. Four color theorem

January 9

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 9

1. series acceleration

January 11

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 11

1. How soon would a dishwasher pay for itself in savings?
2. Polynomials
3. Matrix multiplication on integers and overflow
4. Rapid calculation of standard deviation in a time series

January 12

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 12

1. Power series reloaded
2. How advantageous is it to replace a paper-towel dispenser with a wall dryer?

January 13

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 13

1. Help with integral
2. zero to the power of complex numbers
3. Is this true?

January 14

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 14

1. Is there a complete axiom system for 3d real vectors without mentioning coordinates?
2. final step in proof

January 15

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 15

1. leibniz's idiot proof of the product rule
2. Subfield of $mathbb{R}$ isomorphic to $mathbb{R}$?
3. counterproof of four-color theorem rule

January 16

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 16

1. Proving what a series converges to

January 17

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 17

1. Find the values that satisfy the condition...
2. Human in a looked room
3. Jacobi ellipsoid

January 19

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 19

1. Mathematical elegance?

January 20

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 20

1. Derivative of log map on SE(3)
2. Are these equations chaotic

January 21

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 21

1. Use of prime numbers
2. She can't be right, surely

January 22

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 22

1. PI on Base n
2. Proving a chord to be diameter
3. t-test and Chi-squared Test

January 23

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 23

1. Related probabilities

January 24

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 24

1. E8 (mathematics)
2. Looking for a graph theory term...
3. Odds question

January 25

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 25

1. number of non-isomorphic hamiltonian cycle on n-cubes?
2. Itō calculus

January 26

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 26

1. How can we join the definitions of entropy?
2. Harmonic Sequences and Other Sequences (Mathematics)
3. Average for individuals going in a different direction from the group average
4. Probability problem
5. Computing the Lerch

January 29

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 29

1. Diophantine equation.
2. Wolfram Alpha

January 30

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 30

1. Was Galois Welsh?
2. cube in perspective

January 31

Wikipedia:Reference_desk/Archives/Mathematics/2012 January 31

1. Calculating the spinning of the earth at the 39th parallel
2. Galois extensions and inert prime ideals
3. Simple probability questions
4. Classical mathematical texts