int MTensor_getInteger (MTensor t, mint*pos, mreal*pres) gets a single element of an MTensor of real type.

As with integers, operations related to division are key to many computations with polynomials. Mathematica includes not only highly optimized univariate polynomial-division ...

Most mathematical functions in Mathematica are set up to apply themselves separately to each element in a list. This is true in particular of all functions that carry the ...

Mathematica allows almost every aspect of sessions to be customized, under full programmatic control.

HoldPattern[expr] is equivalent to expr for pattern matching, but maintains expr in an unevaluated form.

NumberOfCompositions[n, k] counts the number of distinct compositions of integer n into k parts.

RandomComposition[n, k] constructs a random composition of integer n into k parts.

Eigenvalues and eigenvectors. The eigenvalues of a matrix m are the values λ_i for which one can find nonzero vectors v_i such that m.v_i λ_iv_i. The eigenvectors are the ...

Length[expr] gives the number of elements in expr.

ArcCoth[z] gives the inverse hyperbolic cotangent coth -1 (z) of the complex number z.