Wikipedia:Reference desk/Archives/Mathematics/June 2011

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June 2

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 2

1. Mercator versus cylindrical
2. conical pendulum
3. Measure Theory Integral-sum inequality
4. What is the largest consecutive integer of 13 whose sum is 0

June 3

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 3

1. Strength of a linear relationship
2. That old earth curvature chestnut again, but with a difference

June 4

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 4

1. Minor confusion on "if G has faithful complex irreducible representation then Z(G) is cyclic"
2. Rotation of conic sections in polar form
3. Problem with Lagrange multipliers
4. Question about 'a convenient way to type symbols?'

June 5

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 5

1. a simple ODE
2. what if any statement implied its opposite?
3. How to average ranks?
4. Converting between the forms of equations for an ellipse

June 6

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 6

1. Fermat's Principle

June 8

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 8

1. Example of a graph

June 9

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 9

1. Total ordering
2. How many observations are needed to reach a certain accuracy?
3. Triangular calculation equation
4. Tetrahedrons and triangular graphs
5. Uncountable Godel Theorem

June 10

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 10

1. Functional powers

June 11

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 11

1. Proof of Inequality
2. Alternative Proof

June 12

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 12

1. Normal Deviation
2. Newton's Second Law

June 13

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 13

1. Ogden's lemma examples
2. nilpotent cone of a Lie algebra
3. Normalizing Associated Legendre Polynomials to get Spherical Harmonics

June 14

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 14

1. Software
2. Evaluating the matrix exponential of a tridiagonal matrix
3. Dimension and Cardinality

June 15

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 15

1. What's the probability of getting twenty heads in a row if you flip a coin one million times?
2. 90!
3. Riemann integral of a circle
4. Highest number
5. If Visible Light Represented by People/Person, what's the Ratio

June 16

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 16

1. Geometry problem
2. Angle bisectors of a triangle
3. Spot the error?

June 17

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 17

1. How wet will the windshield get?
2. Dotted variables

June 18

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 18

1. mathematical characters and algorithms
2. Math editor

June 19

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 19

1. Surreal numbers

June 20

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 20

1. Elementary proof
2. help me railway in dire straits of runnaway train
3. Proof of Aleph 0 Smallest Transfinite Cardinal
4. Convert stddev from population to sample

June 21

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 21

1. Limit of an increasing sequence
2. Algebra Question
3. Twenty heads in a row problem

June 22

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 22

1. Commutative Diagrams in LaTeX
2. true that hyper regular complex numbers are all trans regular?
3. Vertical bar notation
4. Mathematical games

June 23

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 23

1. FDS for an ODE
2. Gradient and conjugate gradient
3. Striped triangle question

June 24

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 24

1. A big number
2. Short form of the axiom of dependent choice
3. Sum

June 26

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 26

1. Problem with Finite Integration

June 27

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 27

1. Demographics and population statistics

June 28

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 28

1. quick math question
2. Widely accepted measure/metric of order

June 29

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 29

1. I don't believe in mathematics.

June 30

Wikipedia:Reference_desk/Archives/Mathematics/2011 June 30

1. Factorising an integer into 2 integers
2. Gerrymandering Mathematics
3. Number of orientations of face centers for Rubik's Cube