Wikipedia:Reference desk/Archives/Mathematics/July 2008

= July 1 = 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 = Reference_desk/Archives/Mathematics/2008 July 2


 * 1) Cube Path
 * 2) Birthday coincidences
 * 3) Word Problem

= July 3 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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) Reference_desk/Archives/Mathematics/2008 July 11
 * 7) Error in Manifold?

= July 12 = 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 = 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 = Reference_desk/Archives/Mathematics/2008 July 14


 * 1) Vector fields on the torus
 * 2) Manhattan distance
 * 3) Continuous distance

= July 15 = 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 = 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 = 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 = Reference_desk/Archives/Mathematics/2008 July 18


 * 1) Exponential Exponents
 * 2) Reversi

= July 19 = Reference_desk/Archives/Mathematics/2008 July 19


 * 1) Mod Inverse Formula

= July 20 = Reference_desk/Archives/Mathematics/2008 July 20

= July 21 = Reference_desk/Archives/Mathematics/2008 July 21


 * 1) Equally puzzling as prime numbers
 * 2) Vectors
 * 3) Interpretation

= July 22 = Reference_desk/Archives/Mathematics/2008 July 22


 * 1) Hexagonal lattices and coordinate systems
 * 2) More on Continuity

= July 23 = Reference_desk/Archives/Mathematics/2008 July 23


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

= July 24 = 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 = Reference_desk/Archives/Mathematics/2008 July 25


 * 1) Cylinders and Spheres
 * 2) Music and Math

= July 26 = Reference_desk/Archives/Mathematics/2008 July 26


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

= July 27 = Reference_desk/Archives/Mathematics/2008 July 27


 * 1) Infinite Series
 * 2) probability
 * 3) Exponential Proportions

= July 28 = Reference_desk/Archives/Mathematics/2008 July 28


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

= July 30 = 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 = Reference_desk/Archives/Mathematics/2008 July 31


 * 1) Prime Factorisation
 * 2) Algebra refresher