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Wikipedia:Reference_desk/Archives/Mathematics/2009 December 1
Exponential or Super-Exponential Growth In A Novel Sequence
negative exponent dividend
steps and results of simplification
Transpose
Cyclic hexagon
m
a
t
h
b
b
Z
n
x
{\displaystyle mathbb{Z}_{n}[x]}
in GAP
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 2
Sets and the absolute infinite
A strange puzzle
Absolute Levi-Civita
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 3
If ab = ac , then b = c.
Growth of Log and Power
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 4
Same Question As Three Days Ago, But In The Other Direction
Quick Q about
e
i
p
i
+
1
=
0
,
,
!
{\displaystyle e^{ipi}+1=0,,!}
minima help please
Naive or automatic forecasting from multivariate time-series
Infinite roots
Borel sets
Paper folding
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 5
optimisation tric??
Probability of object being owned by person
Speed calculation
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 6
A Related Problem In Base Four
finite differentiation
Integral
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 7
random 8 digit number reads the same both ways
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 8
Standard form
Geometric argument for area under x2
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 10
sudoku
Integral estimate
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 11
weighted mean and errors
Non-linear ODE question
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 12
Is This Problem Intractable?
Expectation
Convergence of the boundary for this series
STEP papers
A very simple question
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 13
Did the Mayans or Babylonians invent zero first?
More on finite differences
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 14
Numbers
Cardinal Ordinal
Indistinguishable balls in distinguishable boxes
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 15
Isoperimetric yard problem
rotated figure
Question in computing probabilities
Logarithms and Conic Sections.
Normal variables, independence, covariance
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 16
Multiply Intrinsically 4-Palindromic Numbers
Finite differences of factorials
combinatorics (pigenhole etc)
Distributivity
double-checking statistics
items arranged question
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 17
recognition of tangent plane for a function
Easiest way to decide if a point is within a polygon?
Are the slopes of
f
(
x
)
{\displaystyle f(x)}
and
f
−
1
(
x
)
{\displaystyle f^{-1}(x)}
necessarily reciprocal?
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 18
Non-isomorphic digraphs
Continuous or not?
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 19
Differentiability of a function from R^2 to R at the origin
Distance from a point to a line
Plotting a fractal curve defined by binary digits
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 20
hyperbolic tangent derivative
Local class field theory
New Identity?
Rouché's theorem
Matrix subgroups
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 21
Calculus History
Fréchet Second Derivatives and Taylor Series of matrix functions
Vector cosine
Calculi(Non Newtonian)
Article introducing complex numbers
Principles of Mathematics
Reducible Polynomials With All But Constant Coefficient Equalling 1
googol
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 22
Desperately Seeking a Faster Algorithm
Summation of finite differences
Stationary Points in Higher Dimensions
Symbol for 'such that'
Cartoon books about mathematics
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 23
Functional Analysis
reduction algorithm
120 links between five people??
Why does a*b give the area of a rectangle? / Why does arithmetic give meaningful geometric results?
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 24
Green's second identity and Green's functions for the Laplacian
sequence space
Rolling sphere
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 25
Easy way of deciding if two lines cross?
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 26
dual spaces of Sobolev spaces
Is the word "induce" used technically or non-technically?
Does U(1) = SU(1)
Linear combination of matrices
Algebra over a ring that is a field?
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 27
Algorithm to reduce polynary equations to minimum form
Measure Theory & Countability
Math and calculations
Limit of a sequence
Computationally expensive problems
The all-ones vector, and how to notate it
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 28
Lebesgue measure versus Borel measure
Universal enveloping algebra
How to solve math poblems without calculating
Sum and Difference of Two Tangents
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 29
Hypervolume of an 8-sphere
transcendental functions
No math after 12th grade?
Symmetries and perturbations
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 30
non polynomial difference
Calculate my age as percentage of USA age.
Solving for x giving the min
'Reproducing generations problem' or 'sum of 2 to the power n'
Wikipedia:Reference_desk/Archives/Mathematics/2009 December 31
Ryan's hypo-whatsisis?
Gauss–Jordan elimination = reduced row echelon form?
Some basic topology of the torus
Looking for random "shopping" algorithm