Wikipedia:Reference desk/Archives/Mathematics/January 2007

= January 1 = Reference_desk/Archives/Mathematics/2007 January 1


 * 1) Probability Formula

= January 2 = Reference_desk/Archives/Mathematics/2007 January 2


 * 1) agorno-Karabakh
 * 2) adian

= January 3 = Reference_desk/Archives/Mathematics/2007 January 3


 * 1) All the King's marbles
 * 2) Vertex operator algebra and vertex algebras  - question
 * 3) roduct
 * 4) 1 plus 1

= January 4 = Reference_desk/Archives/Mathematics/2007 January 4


 * 1) Nanosecands
 * 2) When addition maps A×B->A but not A×A->A
 * 3)  A related question
 * 4) 1  2  3...?
 * 5) hilosophical question

= January 5 = Reference_desk/Archives/Mathematics/2007 January 5


 * 1) Balls in a bag
 * 2) Elementary questions in a plane
 * 3) ymmetry operation in 3 dimensional space
 * 4) Qualifying examination preparation
 * 5) Proving the Viète formula
 * 6) exponents
 * 7) Casting of nines
 * 8) Approximation of a simple curve by polygonal lines
 * 9) Value of money in 1800's`
 * 10) Equation of a line
 * 11) Algebra/what is the equation?

= January 6 = Reference_desk/Archives/Mathematics/2007 January 6


 * 1) n odds question
 * 2) Golden Ratio
 * 3) 0.333...=1/3?
 * 4) Radians
 * 5) ntegro differential equation
 * 6) alculus Question - Optimization
 * 7) Quadratic simultaneous equations

= January 7 = Reference_desk/Archives/Mathematics/2007 January 7


 * 1) Conversion factor

= January 8 = Reference_desk/Archives/Mathematics/2007 January 8


 * 1) Correlation between two binary variables
 * 2) complex numbers
 * 3) Area inside various curves
 * 4) Identities
 * 5) Automatic equation numbering in wiki

= January 9 = Reference_desk/Archives/Mathematics/2007 January 9


 * 1) Reversible Gas Turbines
 * 2) Generating permutations
 * 3)  Algorithm to generate permutations
 * 4) recurrence relation

= January 10 = Reference_desk/Archives/Mathematics/2007 January 10


 * 1) Latin squares
 * 2) About polygon names

= January 11 = Reference_desk/Archives/Mathematics/2007 January 11


 * 1) Statistics & Propagation of error with least square fits
 * 2) Tetrahedron fractal
 * 3) discount
 * 4) Poisson question
 * 5) Energy dissipation/viscosity in lagrangian mechanics.
 * 6) Fractional reserve banking application
 * 7) All 30 DJIA stocks posting gains/losses

= January 12 = Reference_desk/Archives/Mathematics/2007 January 12


 * 1) Pie chart question

= January 13 = Reference_desk/Archives/Mathematics/2007 January 13


 * 1) Does this equation mean anything?

= January 15 = Reference_desk/Archives/Mathematics/2007 January 15


 * 1) conversions
 * 2) Hi!
 * 3) Class operators
 * 4) Sample size vs. extreme observations
 * 5) intergration
 * 6) Twisted loop
 * 7) Stock Options Question
 * 8) Steinitz Replacement Theorem
 * 9) Probability of retaining adjacent elements after randomization of a sequence

= January 16 = Reference_desk/Archives/Mathematics/2007 January 16


 * 1) nverse of Erlang C formula
 * 2) Algebra
 * 3) symptote article

= January 17 = Reference_desk/Archives/Mathematics/2007 January 17


 * 1) triangles
 * 2) solution of triangles
 * 3) 4d6-drop-lowest probability distribution
 * 4) Age difference
 * 5) To find nth term
 * 6) Numerically Calculating Distances in Perspective
 * 7) Like the factorial function, but with addition

= January 18 = Reference_desk/Archives/Mathematics/2007 January 18


 * 1) Derivatives and integrals of the factorial function
 * 2) how to do fraction notation

= January 19 = Reference_desk/Archives/Mathematics/2007 January 19


 * 1) Multiplication
 * 2) Need help with math problem involving limits
 * 3) TeX rendering of g_1
 * 4) Fastest model car
 * 5) Inverse of double arrow?

= January 20 = Reference_desk/Archives/Mathematics/2007 January 20


 * 1) Arcsin sqrt(x) transformation
 * 2) Rounding to a rational number
 * 3) mathematics
 * 4) Name of a line

= January 21 = Reference_desk/Archives/Mathematics/2007 January 21


 * 1) Converting fahrenheit to celsius
 * 2) random walk
 * 3) English word for property describing surface area to volume ratio
 * 4) R^n is a hausdorff space.
 * 5) divisibility by three -proof
 * 6) I have 2 points of an exponential curve - how do I find the rest of the line

= January 22 = Reference_desk/Archives/Mathematics/2007 January 22
 * 1) What are the exponential functions?
 * 2) Linear equation solver program for TI 84+: need help
 * 3) cone
 * 4) Statistics/probability/counting question
 * 5) Puzzle of the missing leprechaun
 * 6) simple statistics question
 * 7) Sequence

=January 23= Reference_desk/Archives/Mathematics/2007 January 23


 * 1) Shirt wrinkles
 * 2) Cartesian coordinates
 * 3) Binomial theorem
 * 4) Another(s)
 * 5) Find term by degree
 * 6) Find fifth term
 * 7) Simple complex number simplification
 * 8) Partial sum

=January 24= Reference_desk/Archives/Mathematics/2007 January 24


 * 1) Overbraces/underbraces
 * 2) steps to finding functions that satisfy certain rules
 * 3) type of geometry?
 * 4) taylor series and infinite differentiability
 * 5) square feet
 * 6) how to?

=January 25= Reference_desk/Archives/Mathematics/2007 January 25


 * 1) Optimization Problem
 * 2) Circle Geometry Problem
 * 3) Domain Question
 * 4) Statistical analysis of edit sessions
 * 5) Gödel and computer algebra systems
 * 6) Geometry puzzle
 * 7) Probability

=January 26= Reference_desk/Archives/Mathematics/2007 January 26


 * 1) 3+1=3
 * 2) Confidence interval

=January 27= Reference_desk/Archives/Mathematics/2007 January 27


 * 1) Polygon
 * 2) Free fall
 * 3) math question
 * 4) Proof that 1 = 2

=January 28= Reference_desk/Archives/Mathematics/2007 January 28


 * 1) algebra 1
 * 2) algebra 1
 * 3) Teaching yourself Calculus
 * 4) Linear regression problem
 * 5) Complex measures
 * 6) Differentiation question
 * 1) Differentiation question

=January 29= Reference_desk/Archives/Mathematics/2007 January 29


 * 1) 5+4+3+2+1?
 * 2) Eliminate summation from a complex formula
 * 3) Expected sample
 * 4) fastest shortcut mathematical formulas
 * 5) Triangle angle bisectors

= January 30 = Reference_desk/Archives/Mathematics/2007 January 30


 * 1) Radicals
 * 2) Secondary school mathematic problem
 * 3) Counting problem

= January 31 = Reference_desk/Archives/Mathematics/2007 January 31


 * 1) Alternative solution to Birthday Paradox
 * 2) math question
 * 3) Why solving problems like, "P versus NP" and others
 * 4) Distributive property of gcd and lcm?
 * 5) What is the increase percent