MinimumChangePermutations[l] constructs all permutations of list l such that adjacent permutations differ by only one transposition.
Cot
(Built-in Mathematica Symbol) Cot[z] gives the cotangent of z.
NonlinearModelFit[{y_1, y_2, ...}, form, {\[Beta]_1, ...}, x] constructs a nonlinear model with structure form that fits the y_i for successive x values 1, 2, ... using the ...
EulerE
(Built-in Mathematica Symbol) EulerE[n] gives the Euler number E_n. EulerE[n, x] gives the Euler polynomial E_n (x).
RamanujanTau[n] gives the Ramanujan \[Tau] function \[Tau](n).
SinhIntegral[z] gives the hyperbolic sine integral function Shi(z).
MicroscopePlot[f, {x, a}] plots the expression f in a small neighborhood of a using machine arithmetic.MicroscopePlot[f, {x, a, n}] plots f from a - n ulps to a + n ulps.
MicroscopicErrorPlot[f, {x, a}] plots the error incurred by using machine arithmetic to evaluate the expression f in a small neighborhood of a.MicroscopicErrorPlot[f, {x, a, ...
Cos
(Built-in Mathematica Symbol) Cos[z] gives the cosine of z.
PairwiseScatterPlot[m] creates a matrix of scatter plots comparing the data in each column of m against columns of m.