From Wikipedia, the free encyclopedia

<< Nov | Mathematics desk | Jan >>

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.

Contents 1 December 1 2 December 2 3 December 3 4 December 4 5 December 5 6 December 6 7 December 7 8 December 8 9 December 9 10 December 10 11 December 11 12 December 12 13 December 13 14 December 14 15 December 15 16 December 16 17 December 17 18 December 18 19 December 20 20 December 21 21 December 22 22 December 23 23 December 24 24 December 25 25 December 26 26 December 27 27 December 28 28 December 29 29 December 30 30 December 31

[edit] December 1

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 1

1. tough physics...
2. Is the set of real numbers a vector space over the complex numbers?
3. predict to 4D Singapore Pools Draw
4. Trig uses
5. Need an equation
6. Layout of trig
7. Prolate radii and radii of curvature?
8. Brackets in equations
9. e=mc to a layman

[edit] December 2

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 2

1. Graph theory illustrations
2. Probability Question
3. Ambiguity in Mathematics
4. Projective plane : why is translation group a group , or why two elations form a new elation
5. question

[edit] December 3

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 3

1. Probability question (triangle pts)
2. Riemman Sum
3. questions about Moufang set isomorphisms, and how I can construct one

[edit] December 4

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 4

1. Rotate a graph 45 degrees
2. Solid Geometry>>>Spheres>>>Inscribed Right Triangles...
3. Group decomposition / re-composition
4. Volume Times Time

[edit] December 5

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 5

[edit] December 6

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 6

1. Is a point inside a given triangle?
2. Circle and parabola
3. grades

[edit] December 7

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 7

1. Efficient point mass forces
2. Integration-related question
3. Probability question
4. Average number of workdays
5. Why not invent a symbol for 1/0
6. hilst on zero
7. Probability w/ coins

[edit] December 8

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 8

1. Confusing little puzzle
2. unsolved problem
3. Equation for determing Occupancy for an office building

[edit] December 9

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 9

1. Rational denominators
2. Doodles, recursive curves?
3. New Year's moment
4. robability of article selection
5. Verizon maths
6. Probability

[edit] December 10

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 10

1. cubic
2. Bézier Curves
3. rewrite using partial fractions
4. vector perpindicular
5. natural log integration

[edit] December 11

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 11

1. continuity question
2. Finding a tangent

[edit] December 12

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 12

[edit] December 13

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 13

1. Partial (trapezoidal) section of sphere/ellipsoid surface
2. How to distinguish between different local maxima points and numerical errors
3. Rate of Return with Multiple Capital Injections
4. Non-Euclidian geometry

[edit] December 14

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 14

1. foot
2. a maths proof
3. MathML in Wikipedia's Math Entries

[edit] December 15

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 15

1. Coordinate geometry
2. Difference between dx and dx
3. board games
4. How to write simple p > 1?
5. measures of time
6. egular symmetry around a point
7. Summation
8. ====
9. ====
10. ====
11. ====
12. ====
13. umber of frequent subtrees

[edit] December 16

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 16

1. Homogeneity of Error Variance within groups
2. the phase of a Fourier transformed sinusoid is a Dirac's delta
3. peed distance equation

[edit] December 17

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 17

1. Surjectivity of hash functions
2. maths project
3. lurisubharmonic functions

[edit] December 18

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 18

1. Absolute Extrema and Absolute Values
2. Straight lines
3. Probability distribution question
4. nPr & nCr
5. Planes

[edit] December 20

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 20

1. Probability of finding DNA sequences
2. Special matrix
3. solution of triangles
4. Permutations and odds of matching elements in a multiset
5. ave I done my derivative correctly?
6. Fermat's Last Theorem
7. The Koch Snowflake
8. Pixels per inch
9. big maths - infinite series?

[edit] December 21

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 21

1. Calculating probabilities of winning a turn-based two-player duel

[edit] December 22

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 22

[edit] December 23

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 23

1. Numbers pattern
2. Can someone find this citation for me?

[edit] December 24

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 24

1. ouble Helix
2. Progressions
3. Four color theorem
4. How to make Financial Models?
5. Proluge
6. Part 1 - (Precisely what I wanted in the model)
7. Part 2 - (Net Operating Income Year 1 & Property Valuation)
8. Part 3 - (Loan Amount & Equity Required)
9. Part 4 - (Frivilous Comments part)
10. Part 5 ( 1 + i )
11. Part 6 - (Mortgage Loan Constant)

[edit] December 25

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 25

[edit] December 26

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 26

1. Cartesian geometry
2. usiness Statistics
3. I question

[edit] December 27

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 27

1. hardcore problem
2. An infinitely-long rod
3. triangles
4. Assign transport cost based on weight and volume
5. What's the difference between analysis and calculus?
6. Alec Stewart

[edit] December 28

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 28

1. Oldest Person in the World
2. i have trouble

[edit] December 29

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 29

1. Integrals with Mathematica
2. Integral notation
3. Indefinite multiple integrals
4. lgebra resources
5. Equation of a Line

[edit] December 30

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 30

1. Four Color Theorem

[edit] December 31

Wikipedia:Reference_desk/Archives/Mathematics/2006 December 31

1. computer network; finding correct matrix represents
2. Constraints in Genetic Algorithms