ModularLambda (Built-in Mathematica Symbol)

ModularLambda[\[Tau]] gives the modular lambda elliptic function \[Lambda](\[Tau]).

Selecting Parts of Expressions with ... (Mathematica Tutorial)

"Manipulating Elements of Lists" shows how you can pick out elements of lists based on their positions. Often, however, you will need to select elements based not on where ...

Erfi (Built-in Mathematica Symbol)

Erfi[z] gives the imaginary error function erf(i z)/i.

HeavisideLambda (Built-in Mathematica Symbol)

HeavisideLambda[x] represents the triangle distribution \[CapitalLambda](x) which is nonzero for |x| < 1.HeavisideLambda[x_1, x_2, ...] represents the multidimensional ...

DiscreteDelta (Built-in Mathematica Symbol)

DiscreteDelta[n_1, n_2, ...] gives the discrete delta function \[Delta] (n_1, n_2, ...), equal to 1 if all the n_i are zero, and 0 otherwise.

NevilleThetaS (Built-in Mathematica Symbol)

NevilleThetaS[z, m] gives the Neville theta function \[CurlyTheta]_s (z \[VerticalSeparator] m).

NevilleThetaD (Built-in Mathematica Symbol)

NevilleThetaD[z, m] gives the Neville theta function \[CurlyTheta]_d (z \[VerticalSeparator] m).

Find Available Options (Mathematica How To)

The default behavior for a function in Mathematica is carefully chosen to be suitable for the vast majority of cases. Mathematica also gives you fine-grained control over the ...

Composition (Built-in Mathematica Symbol)

Composition[f_1, f_2, f_3, ...] represents a composition of the functions f_1, f_2, f_3, ....

InverseJacobiSN (Built-in Mathematica Symbol)

InverseJacobiSN[v, m] gives the inverse Jacobi elliptic function sn -1 (v \[VerticalSeparator] m).