Wikipedia:Reference desk/Archives/Mathematics/July 2008

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style="background: #5D7CBA; text-align: center; font-family:Arial; color:#FFFFFF;" | Welcome to the Wikipedia Mathematics Reference Desk Archives
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= July 1 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 1

1. Analyticity on R
2. FALSE POSITION
3. ALGORITHM
4. Can't answer a problem that I made up!
5. Fractional Calculus
6. Statistics - use of 'linear by linear'

= July 2 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 2

1. Cube Path
2. Birthday coincidences
3. Word Problem

= July 3 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 3

1. Factorials
2. Pochhammer Symbol - Incosistencies between articles
3. Economic capital
4. Why don't casinos advertise (and make) slot machines with expected return of $thousands+ for every $1 played?
5. have a question about functions
6. Is it always unimodal

= July 4 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 4

1. Looking for an algebra book
2. Long line
3. Crazy manifolds
4. Calculating your mark

= July 5 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 5

1. How do I find the inverse
2. How to realize, prove, disprove, and or show the math behind a new type of number. A Transcendental number.
3. Miles
4. Exponent/logarithm question

= July 6 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 6

1. search for the lost treasure
2. finding the simplexorate of a function
3. Homeomorphism
4. md5

= July 7 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 7

1. reduction in training time
2. Statistics: Pearson's chi squared vs Fisher's exact test
3. Cosets

= July 8 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 8

1. Power of Sums
2. product of primes..
3. What the..
4. HK ≅? H × K
5. Addition of probability over time (ie. POP)

= July 9 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 9

1. Differentiability
2. iNFINITE dISTANCE
3. CONVERSION OF GRAMS TO OUNCES
4. PPPs from the OECD

= July 10 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 10

1. Is there a name for this pattern?
2. Absurdity
3. 5 digit number
4. inequalities for one-dimensional Schroedinger equation
5. about elementary operations in arithmatic
6. Modelling Wikipedia's growth with exponential calculations - what am I doing wrong?
7. How to find out what the recurring part of the decimal expansion of a/b is
8. Greek Letters

= July 11 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 11

1. Math problem concerning discographies
2. Linearity and derivations of Kurtosis
3. Mathematical rule
4. Continuing Mathematical Education
5. Power Series
6. I_n - AB + BA
7. Error in Manifold?

= July 12 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 12

1. The Non-Zero Difference Puzzle
2. Integration question
3. How do I compute the odds to see if any National Football League franchises are going to the Super Bowl this year?

= July 13 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 13

1. Powers
2. Question about baseballs and wind resistance
3. Further problems with exponential growth model
4. optimum algorithm for choosing from sequential lineup
5. Growing Numbers
6. Wright Omega function

= July 14 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 14

1. Vector fields on the torus
2. Manhattan distance
3. Continuous distance

= July 15 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 15

1. Shell/disk volume integrals different?
2. Happy Numbers
3. Drilling Holes in a Cube
4. Hemispheres
5. What is this?
6. Natural oracles giving P≠NP
7. Converting between PPPs of different years
8. Factorial differentiation

= July 16 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 16

1. Solitary numbers
2. Divisor function
3. Numbers
4. Dedekind cuts and the proff that 0.999.... = 1
5. Intersecting Spheres

= July 17 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 17

1. Fractional derivative
2. Is timescales mathematics
3. Naive Bayes classifier for non-mutually-exclusive classes?
4. choice of weights for linear regression
5. Rational Angle

= July 18 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 18

1. Exponential Exponents
2. Reversi

= July 19 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 19

1. Mod Inverse Formula

= July 20 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 20

= July 21 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 21

1. Equally puzzling as prime numbers
2. Vectors
3. Interpretation

= July 22 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 22

1. Hexagonal lattices and coordinate systems
2. More on Continuity

= July 23 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 23

1. complex number
2. Expectation of heads and tails
3. Summing sinusoids
4. real analysis

= July 24 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 24

1. Number of solutions
2. Continuously Compounded Interest
3. Statistics - - What is it called when I multiply 2 elements and then divide by the average?
4. Partial fractions
5. I'm sure someone has already beaten me to this
6. Proving Theorem
7. Proof

= July 25 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 25

1. Cylinders and Spheres
2. Music and Math

= July 26 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 26

1. Integrals
2. 3d annulus?
3. Simultaneous equations
4. Probablity equation?
5. Trigonemtry problem

= July 27 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 27

1. Infinite Series
2. probability
3. Exponential Proportions

= July 28 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 28

1. Point wise union
2. Notation for multivariate polynomials of at most degree m

= July 30 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 30

1. Probability of extraterrestrial intelligent life
2. Cardinality
3. which of non-linearly related variables is distributed normally?
4. Fibonacci Series
5. Tall tree heights
6. Finding all roots to a 4th degree polynomial
7. Adding to a running average

= July 31 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 July 31

1. Prime Factorisation
2. Algebra refresher