DistributionParameterQ (Built-in Mathematica Symbol)

DistributionParameterQ[dist] yields True if dist is a valid distribution, and yields False otherwise.

GradientFilter (Built-in Mathematica Symbol)

GradientFilter[image, r] gives an image corresponding to the magnitude of the gradient of image, computed using discrete derivatives of a Gaussian of pixel radius ...

MatrixQ (Built-in Mathematica Symbol)

MatrixQ[expr] gives True if expr is a list of lists or a two-dimensional SparseArray object that can represent a matrix, and gives False otherwise. MatrixQ[expr, test] gives ...

MedianDeviation (Built-in Mathematica Symbol)

MedianDeviation[list] gives the median absolute deviation from the median of the elements in list.

MemberQ (Built-in Mathematica Symbol)

MemberQ[list, form] returns True if an element of list matches form, and False otherwise. MemberQ[list, form, levelspec] tests all parts of list specified by levelspec.

NHoldAll (Built-in Mathematica Symbol)

NHoldAll is an attribute which specifies that none of the arguments to a function should be affected by N.

NormalizedSquaredEuclideanDistance (Built-in Mathematica Symbol)

NormalizedSquaredEuclideanDistance[u, v] gives the normalized squared Euclidean distance between vectors u and v.

Rescale (Built-in Mathematica Symbol)

Rescale[x, {min, max}] gives x rescaled to run from 0 to 1 over the range min to max. Rescale[x, {min, max}, {x_min, x_max}] gives x rescaled to run from x_min to x_max over ...

SelectComponents (Built-in Mathematica Symbol)

SelectComponents[m, " prop", crit] computes a property " prop" for all components in a label matrix m and returns a version of m in which components that do not satisfy crit ...

SquareWave (Built-in Mathematica Symbol)

SquareWave[x] gives a square wave that alternates between +1 and -1 with unit period.SquareWave[{y_1, y_2}, x] gives a square wave that alternates between y_1 and y_2 with ...