Wikipedia:Reference desk/Archives/Mathematics/September 2007

= September 1 = Reference_desk/Archives/Mathematics/2007 September 1


 * 1) Why do we trust our hash functions?
 * 2) A Very Peculiar Practice
 * 3) Infinitesimals
 * 4) Age Problem

= September 2 = Reference_desk/Archives/Mathematics/2007 September 2


 * 1) Fractals and Apophysis and Math...Oh My!
 * 2) Russian roulette
 * 3) Infinite Product

= September 3 = Reference_desk/Archives/Mathematics/2007 September 3


 * 1) Random walk
 * 2) Approximation of manifolds by tangent spaces
 * 3) Commonwealth Star - Australian National Flag
 * 4) Kite Prism

= September 4 = Reference_desk/Archives/Mathematics/2007 September 4


 * 1) Will it pull free?
 * 2) Is there palindromic numbers in decimals & fractions?
 * 3) Binomial coefficient

= September 5 = Reference_desk/Archives/Mathematics/2007 September 5


 * 1) Differentiation
 * 2) Quine's method?
 * 3) Question about zero
 * 4) Math Riddle
 * 5) Mad mathematician

= September 6 = Reference_desk/Archives/Mathematics/2007 September 6


 * 1) Looking for a fallacy in statistics
 * 2) Solving Inequalities

= September 7 = Reference_desk/Archives/Mathematics/2007 September 7


 * 1) Chatin, turing machines and origin in coordinate systems.
 * 2) Graphing Calculators
 * 3) How many googols in a googolplex?
 * 4) Syntax of multiple derivatives

= September 9 = Reference_desk/Archives/Mathematics/2007 September 9


 * 1) No questions today
 * 2) Maths is about numbers
 * 3) Number bases
 * 4) Chess books
 * 5) TI-84+ equation solver

= September 10 = Reference_desk/Archives/Mathematics/2007 September 10


 * 1) No questions today
 * 2) Vector product
 * 3) Quintics and Up
 * 4) Probabilities
 * 5) wording Exponential_function#Formal_definition
 * 6) coordinates of a point
 * 7) Modular arithmetic
 * 8) Quadratic formula
 * 9) Multiplication of Negative Integers

= September 11 = Reference_desk/Archives/Mathematics/2007 September 11


 * 1) Rotations
 * 2) Square bracket or small bracket
 * 3) average value of a function's derivative
 * 4) Acceptable Point-of-Service Survey Response Rates
 * 5) Zeros of the Riemann Zeta Function location of Riemann zeta functions zeros.
 * 6) Differentiating

= September 12 = Reference_desk/Archives/Mathematics/2007 September 12


 * 1) Calculating uncertainty in linear regressions with uncertain data
 * 2) NOT A NUMBER
 * 3) Can someone please do this for me.

= September 13 = Reference_desk/Archives/Mathematics/2007 September 13


 * 1) Adding up numbers with margins of error
 * 2) sudoku help
 * 3) Prove identity law
 * 4) Solve

= September 14 = Reference_desk/Archives/Mathematics/2007 September 14


 * 1) How does anyone feel about...
 * 2) sum
 * 3) question
 * 4) Fourier analysis of resonance

= September 15 = Reference_desk/Archives/Mathematics/2007 September 15


 * 1) Blackboard Bold
 * 2) rainfall
 * 3) Catenary
 * 4) need some help.

= September 16 = Reference_desk/Archives/Mathematics/2007 September 16


 * 1) What does this mean?

= September 17 = Reference_desk/Archives/Mathematics/2007 September 17


 * 1) parabolica
 * 2) logathrims - i dont get it (basic)

= September 18 = Reference_desk/Archives/Mathematics/2007 September 18


 * 1) Factorization question
 * 2) INTEGRALS
 * 3) What do you call this shape?
 * 4) Recursive integral
 * 5) Physics momentum question
 * 6) Inverse Trig Equations

= September 19 = Reference_desk/Archives/Mathematics/2007 September 19


 * 1) Plotting software

= September 20 = Reference_desk/Archives/Mathematics/2007 September 20


 * 1) Factoring a Binomial
 * 2) packing in S3
 * 3) convergence/divergence problem
 * 4) standard deviation?
 * 5) Statistics
 * 6) Development of the decimal system
 * 7) domain, range, co-domain, image
 * 8) calculating probability of two events occurring at same time
 * 9) pi

= September 21 = Reference_desk/Archives/Mathematics/2007 September 21


 * 1) Sign Diagrams
 * 2) mathematical fallacy

= September 22 = Reference_desk/Archives/Mathematics/2007 September 22


 * 1) Need Major Math Skills Advice
 * 2) Poisson Distribution
 * 3) Sum of factors

= September 23 = Reference_desk/Archives/Mathematics/2007 September 23


 * 1) DIFFERENTIAL EQUATION
 * 2) Mathematical programming

= September 24 = Reference_desk/Archives/Mathematics/2007 September 24


 * 1) Number of rows with at least one unique element
 * 2) Looking for job to support my study at Rostock University
 * 3) Contour lines for 3 fixed points
 * 4) conversion of centimeters to inches

= September 25 = Reference_desk/Archives/Mathematics/2007 September 25


 * 1) Why why why (functional value)
 * 2) Simple Math Question -- Need Help -- Leap Years (?)
 * 3) PRIME NUMBERS
 * 4) Irrationality of the square root of 5
 * 5) Schwarzschild Radius
 * 6) "Hello"

= September 26 = Reference_desk/Archives/Mathematics/2007 September 26


 * 1) Square mean root?
 * 2) probability of a set containing a particular subset
 * 3) MS Reference Specialty font has weird and pointless characters?
 * 4) Tangent-line problem

= September 27 = Reference_desk/Archives/Mathematics/2007 September 27


 * 1) Encryption using musical notation
 * 2) Integral_of_secant_cubed
 * 3) weight distribution

= September 28 = Reference_desk/Archives/Mathematics/2007 September 28


 * 1) Estimating the variance-covariance matrix of a Multinomial function
 * 2) So simple yet so hard
 * 3) Most functions are not lines

= September 29 = Reference_desk/Archives/Mathematics/2007 September 29


 * 1) History of Knuth–Morris–Pratt algorithm

= September 30 = Reference_desk/Archives/Mathematics/2007 September 30


 * 1) N-th power Legendre Symbol of an integer mod integer (Java)
 * 2) It's homework, but I need help!
 * 3) to the power of negative?
 * 4) Dividing decimals?
 * 5) What is the density of triangular-free numbers?