Wikipedia:Reference desk/Archives/Mathematics/February 2009
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= February 1 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 1
- Power Series Expansion
- Number sequence help
- Probability function
- Zero divisors in polynomial rings
- what is the most important mathematical operation
- Ratio of binomial coefficients
- This is Question of sequence & series
- Seemingly straightforward problem
= February 2 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 2
- "Complement" of an automorphism group
- mathematics
- Name of a type of puzzle
- Four fours
- What is this type of problem called?
- Expanding an integral
- Capitalization conundrum
- Golden ratio tesselation?
- Function proof, hard one
= February 3 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 3
= February 4 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 4
- Goldbach Conjecture insurance
- ∫f(x) Integration without dx
- Confidence interval
- Units going bad
- Constructing a series
= February 5 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 5
- Trig integral?
- A difficult algebra problem involving logarithms
- What's the best tool for signal intersection?
- Open interval as a disjoint union of closed intervals
- Log normal distribution
- Countable series in the rationals
= February 6 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 6
= February 7 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 7
- Moore plane and Local compactness
- I need the next in this sequence
- Application of F-statistic and Mallows Cp
- Graphical Transformations
= February 8 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 8
= February 9 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 9
- Solenoidal Fields, Curl and Div
- Master Theorem
- is there a proof that no "betting system" can affect the expected return
- Given that set A = {1,2,{3,4}}, is 3 a member of A?
- Divisibility
= February 10 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 10
= February 11 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 11
- Help me grok e
- I don't understand this proof
- Degree of Relatedness
- Absolute Integrability
- GENERAL QUESTION>
= February 12 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 12
- Matrix property
- Points in [0,1] whose decimal expansions contain only the digits 4 and 7
- Book recommendations
- Simple Math
= February 13 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 13
= February 14 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 14
- Mathematical fraction
- Numbers
- Dice game problem
- is it possible to fuck up when combining two random number generators?
= February 15 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 15
- Formula for partial derivative of A with respect to B given that f(A,B) is constant, applied to vectors
- The Problem I am stuck with
- Collatz-like sequence
- Name the curve
- Maths: discovery or invention?
- Not serious series
= February 16 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 16
= February 17 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 17
- Finding unknown constant in function
- Simplifying an Equation
- Principal Ideal Ring, not an Integral Domain
- Maximal LFSRs
- CHain rule question
= February 18 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 18
= February 19 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 19
- Orthogonal
- Surd Questions
- Akin to absolute value
- Help with LaTeX
- Finite multiplicative subgroup of direct product of fields
- Showing my working
- Theory about graphs
= February 20 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 20
- Analysis on an interesting function
- Setting up Maekawa's Algorithm
- Unreachable chess positions
- Stuck with a PDE (Schrödinger)
- A polar closure property
= February 21 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 21
- Maximum number on calculator
- Intelligent design and the value of pi
- Quick vector calculus question
- Permutation and Combination
- Level Curve Interpolation
= February 22 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 22
- Even and Odd Functions and Their Decomposition
- Graham's number in terms of the Ackermann function
- Closed form of a recursive series
- Fast fourier transform.
- Long and Synthetic Division Symbols on Office Word
= February 23 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 23
- Simple (i think) vector integral inequality
- Terminology
- Using a converse of the FTC part II
- What is the difference between double bar and a single bar
= February 24 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 24
- Limit of a maximum of functions
- Special Unitary group over a finite field
- The sum of all numbers between 0 and n (including n)
- length across an ellipse derivation
- Investment question
- Types of functions
= February 25 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 25
= February 26 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 26
= February 27 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 27
= February 28 =
Wikipedia:Reference_desk/Archives/Mathematics/2009 February 28