DiskMatrix[r] gives a matrix whose elements are 1 in a disk-shaped region of radius r, and are otherwise 0.DiskMatrix[r, w] gives a w*w matrix containing a disk of 1s with ...
DispersionEstimatorFunction is an option for generalized linear model fitting functions that specifies the estimator for the dispersion parameter.
DivisorSum[n, form] represents the sum of form[i] for all i that divide n.DivisorSum[n, form, cond] includes only those divisors for which cond[i] gives True.
ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate real numbers.
FileNameSetter[name] represents a file name setter which displays as a Browse button and when clicked brings up a system file opening dialog, starting from the location ...
FindIndependentEdgeSet[g] finds an independent edge set of the graph g with a maximum number of edges.
FindMinimum[f, x] searches for a local minimum in f, starting from an automatically selected point.FindMinimum[f, {x, x_0}] searches for a local minimum in f, starting from ...
FindRoot[f, {x, x_0}] searches for a numerical root of f, starting from the point x = x_0.FindRoot[lhs == rhs, {x, x_0}] searches for a numerical solution to the equation lhs ...
FortranForm[expr] prints as a Fortran language version of expr.
FourierParameters is an option to Fourier and related functions that specifies the conventions to use in computing Fourier transforms.