Ordered is an option to the functions KSubsetGroup and KSubsetGroupIndex that tells the functions whether they should treat the input as sets or tuples.

DialogSymbols is an option for Dialog which gives a list of symbols whose values should be localized in the dialog.

UsingFrontEnd[expr] evaluates expr, making use of a front end if necessary.

SingularValueDecomposition[m] gives the singular value decomposition for a numerical matrix m as a list of matrices {u, w, v}, where w is a diagonal matrix and m can be ...

Nested lists are lists within a list; they are the principal structure for data in Mathematica and allow for high-dimension arrays and ragged datasets as well as common uses ...

TetGenGetFacetMarkers[expr] returns the facet markers for a TetGen expression.

Numerical root finding. NSolve gives you numerical approximations to all the roots of a polynomial equation. You can also use NSolve to solve sets of simultaneous equations ...

void MTensor_setComplex (MTensor t, mint*pos, mcomplex value) sets a single element of an MTensor of complex type.

void MTensor_setInteger (MTensor t, mint*pos, mint value) sets a single element of an MTensor of integer type.

int MTensor_setReal (MTensor t, mint*pos, mreal value) sets a single element of an MTensor of real type.