Wikipedia:Reference desk/Archives/Mathematics/January 2015

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January 2

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 2

1. Dimension of C(R) as a vector space over R
2. Group theory question
3. Intersection of triangles in higher dimensions

January 4

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 4

1. Coupon-collector problem with packages of distinct coupons
2. Is every power series representation of a function a Taylor series?

January 5

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 5

1. Reverse Polish Notation
2. Fermat point of spherical triangles

January 6

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 6

1. Area moment of inertia about y axis

January 7

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 7

1. is this a sound proof?

January 8

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 8

1. Group Theory Question
2. Number of edges in an nxnxn cube

January 10

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 10

1. Explain this plot used in ECC

January 12

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 12

1. Sharpness of a theorem
2. Fractions

January 14

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 14

1. Value at risk
2. Comment requested on a power series solution
3. Normal distribution question

January 15

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 15

1. Coefficients of polynomial
2. what does 'one-way functions may not exist' mean in practice? There is no bounds at all?
3. Calculate p-values of PCR-estimator
4. Logic

January 16

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 16

1. +10% and -10%
2. Modified Snakes and Ladders strategy

January 17

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 17

1. mental arithmetic - how are you supposed to find a reciprocal quickly

January 19

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 19

1. You vs. Sir Isaac Newton

January 20

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 20

1. What is % of world coastline represent?

January 21

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 21

1. Triangles and circumcenters

January 23

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 23

1. Polyhedra
2. How do you solve this equation? (find all possible values of x)
3. A Maths Problem

January 24

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 24

1. Why does lineal algebra have such a central role in many, if not all, math degrees?

January 25

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 25

1. Factorization of $\sum _{n=0}^{M}~(-1)^{n}~n^{k}$
2. Simplex coordinates starting with (0,0,0,...),(1,0,0,...)
3. Question in applied linear algebra

January 28

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 28

1. typical function
2. Precedence of unary negation (unary -)

January 31

Wikipedia:Reference_desk/Archives/Mathematics/2015 January 31

1. Harmonic mean problem