Wikipedia:Reference desk/Archives/Mathematics/April 2008

= April 1 = Reference_desk/Archives/Mathematics/2008 April 1


 * 1) Socks

= April 2 = Reference_desk/Archives/Mathematics/2008 April 2


 * 1) Infinities
 * 2) Prime ideals in a ring
 * 3) Tennis superiority
 * 4) Algebra
 * 5) Geometry
 * 6) Distribution of a maximum of multivariate normal
 * 7) Square digit chain
 * 8) Area and Volume Ratios
 * 9) In 5-Card Draw Poker, what are the odds of a royal flush without a wild card when 2 are in play?
 * 10) statistics
 * 11) Afraid of sets
 * 12) Open loop transfer function
 * 13) Dilemna!
 * 14) can u plz solve this?

= April 3 = Reference_desk/Archives/Mathematics/2008 April 3


 * 1) Stupid question
 * 2) Accidental variance discovery
 * 3) question about rational equations
 * 4) Have a problem setting up equation to these questions
 * 5) Problem.
 * 6) ? (Puzzle)
 * 7) Trigonometric equations

= April 4 = Reference_desk/Archives/Mathematics/2008 April 4


 * 1) a question.
 * 2) Series having a nice expression for partial sums
 * 3) Converting an infinite series' decimals to fractions

= April 5 = Reference_desk/Archives/Mathematics/2008 April 5


 * 1) Statistical significance
 * 2) Derivative of an integral
 * 3) Projectile motion and tetrahedra

= April 6 = Reference_desk/Archives/Mathematics/2008 April 6


 * 1) Arc-length and area
 * 2) Integrals
 * 3) Antidifferentiation
 * 4) questions about radical expressions
 * 5) question about Pythagorean theorem
 * 6) Solutions to Tarski's Introduction to Logic
 * 7) number theory problem
 * 8) Maximing volume of cylinder in a sphere
 * 9) Golden rectangle
 * 10) Confidence interval mystery
 * 11) Simplifying a radical expression: Problem type 2

= April 7 = Reference_desk/Archives/Mathematics/2008 April 7


 * 1) F-value and p-value mystery
 * 2) Why is the average verbal score so much lower than the math on GRE/GMAT?
 * 3) Alternatives to GraphViz for drawing graphs

= April 8 = Reference_desk/Archives/Mathematics/2008 April 8


 * 1) Symmetry
 * 2) Are testimonies useful or the terrible indicators of truth?

= April 9 = Reference_desk/Archives/Mathematics/2008 April 9


 * 1) Gallons and cubic inches
 * 2) Integration problem
 * 3) A Logical Question
 * 4) what is the smallest finite (positive) number?
 * 5) A real discovery or a trivial fact?

= April 10 = Reference_desk/Archives/Mathematics/2008 April 10


 * 1) LaTeX "compromise"
 * 2) Simplifying factorial equations
 * 3) Algebra

= April 11 = Reference_desk/Archives/Mathematics/2008 April 11


 * 1) Polar to Cartesian
 * 2) Odds
 * 3) Rational Exponent solver
 * 4) Race

= April 12 = Reference_desk/Archives/Mathematics/2008 April 12


 * 1) Statistics

= April 13 = Reference_desk/Archives/Mathematics/2008 April 13


 * 1) Not quite the Gamma function...
 * 2) How many hours?
 * 3) Sum
 * 4) Integration Problem
 * 5) Statistics problems
 * 6) Unknown Symbol
 * 7) Square Roots
 * 8) Finding digits of Pi

= April 14 = Reference_desk/Archives/Mathematics/2008 April 14


 * 1) Minimization of three variables
 * 2) aquestion about function
 * 3) Scheduling problem
 * 4) Euclidean prime numbers do not exist and euclid must should himself know it.

= April 15 = Reference_desk/Archives/Mathematics/2008 April 15


 * 1) "Math Problems to be an Easy Task"
 * 2) Integrals

= April 16 = Reference_desk/Archives/Mathematics/2008 April 16


 * 1) Short exact sequences of abelian groups
 * 2) Calculus and Tensors
 * 3) question
 * 4) Mathematics
 * 5) Reflection matrix about any line rotated theta degrees from the x-axis
 * 6) Quotient map which is neither open nor closed

= April 17 = Reference_desk/Archives/Mathematics/2008 April 17


 * 1) Calculus
 * 2) Applications of Cauchy's Integral Theorem and Formula
 * 3) Understanding bases, and expanding them
 * 4) Calculus

= April 18 = Reference_desk/Archives/Mathematics/2008 April 18


 * 1) Really confusing probability question
 * 2) Reversing Normal Distribution Function
 * 3) In algebra  real numbers the only completely ordered field?
 * 4) number line

= April 19 = Reference_desk/Archives/Mathematics/2008 April 19


 * 1) Chain rule in multi-variable calculus
 * 2) female mathematicians

= April 20 = Reference_desk/Archives/Mathematics/2008 April 20


 * 1) What do you think of the expression "...mathematicians answer only to God."?
 * 2) Basic Probablity that's annoying me, immensely
 * 3) How to use artificial neural nets for time series forecasting?

= April 21 = Reference_desk/Archives/Mathematics/2008 April 21


 * 1) Prime ideals of a ring structure defined on a power set
 * 2) DAYS  DETERMINATION
 * 3) Partial Derivatives
 * 4) Improving mathematics marks
 * 5) trinomials-algebra1

= April 22 = Reference_desk/Archives/Mathematics/2008 April 22


 * 1) Most used math?
 * 2) Real Analysis
 * 3) Dominated Convergence Theorem
 * 4) Anti - derivative
 * 5) anew technique to solve some equations.
 * 6) Name of a shape
 * 7) question about quadratic equation

= April 23 = Reference_desk/Archives/Mathematics/2008 April 23


 * 1) Iterative method for e?
 * 2) Three houses and three different sources
 * 3) Non-perturbative effects in Euler-Maclaurin expansion
 * 4) Compactness in Functional Analysis
 * 5) Go figure the math game
 * 6) hi

= April 24 = Reference_desk/Archives/Mathematics/2008 April 24


 * 1) Likelihood computation question
 * 2) What's the difference of graphing
 * 3) Properties of chaotic map?
 * 4) .dvi reading
 * 5) Measure theory question

= April 25 = Reference_desk/Archives/Mathematics/2008 April 25


 * 1) Statistical significance
 * 2) More Quantum Theory
 * 3) Calculus problem
 * 4) Global food meltdown dilemma: Should I hoard 10 pallets of rice or keep the money in the bank?
 * 5) x^2 + 4x^3*y^2 + y^3 = 10
 * 6) Simple verification of rectangles and "content zero"
 * 7) Controllability Grammian
 * 8) Dont understand this puzzle

= April 26 = Reference_desk/Archives/Mathematics/2008 April 26


 * 1) Determining location of an arbitrary number of points in space
 * 2) Differential equasion

= April 27 = Reference_desk/Archives/Mathematics/2008 April 27


 * 1) Pink noise and differintegrals
 * 2) Powers of 2 and Powers of 3
 * 3) soda

= April 28 = Reference_desk/Archives/Mathematics/2008 April 28


 * 1) Differential Equation
 * 2) Sequences
 * 3) Water tank
 * 4) Positive=Negative???????

= April 29 = Reference_desk/Archives/Mathematics/2008 April 29


 * 1) formalism vs logicism
 * 2) Continuous functions on [0,1]
 * 3) Equation of a line given the gradient and a point on the line
 * 4) Imaginary numbers
 * 5) Question about graphing equadratic equation
 * 6) 3 way intersection flow equation

= April 30 = Reference_desk/Archives/Mathematics/2008 April 30


 * 1) Exponent Circle
 * 2) Proving that a graph coloring algorithm produces a minimum color solution
 * 3) Markov chains
 * 4) Length of graph through function
 * 5) Principal Ideal Domains