RotateLeft[expr, n] cycles the elements in expr n positions to the left. RotateLeft[expr] cycles one position to the left. RotateLeft[expr, {n_1, n_2, ...}] cycles elements ...

RotateRight[expr, n] cycles the elements in expr n positions to the right. RotateRight[expr] cycles one position to the right. RotateRight[expr, {n_1, n_2, ...}] cycles ...

Shallow[expr] prints as a shallow form of expr. Shallow[expr, depth] prints with all parts of expr below the specified depth given in skeleton form. Shallow[expr, {depth, ...

WienerFilter[image, r] removes noise from image by applying a range-r Wiener filter.WienerFilter[image, r, ns] assumes an additive noise power value ns.

Mathematica's J/Link system provides a uniquely seamless interface to the Java environment. With J/Link you can immediately access Java classes and objects from within ...

ReleaseJavaObject[javaobject] tells the Java memory-management system to forget about any references to the specified JavaObject that are being maintained solely for the sake ...

Ordering[list] gives the positions in list at which each successive element of Sort[list] appears. Ordering[list, n] gives the positions in list at which the first n elements ...

Permutations[list] generates a list of all possible permutations of the elements in list. Permutations[list, n] gives all permutations containing at most n ...

RandomSample[{e_1, e_2, ...}, n] gives a pseudorandom sample of n of the e_i.RandomSample[{w_1, w_2, ...} -> {e_1, e_2, ...}, n] gives a pseudorandom sample of n of the e_i ...

f /: lhs := rhs assigns rhs to be the delayed value of lhs, and associates the assignment with the symbol f.