FileNameTake["name"] gives the last path element in the file name " name".FileNameTake["name", n] gives the first n path elements in the file name " ...

KaryTree[n] gives a binary tree with n vertices.KaryTree[n, k] gives a k-ary tree with n vertices.

StackBegin[expr] evaluates expr, starting a fresh evaluation stack.

StackInhibit[expr] evaluates expr without modifying the evaluation stack.

TrackedSymbols is an option to Refresh, Manipulate, and related functions that specifies which symbols should trigger updates when their values are changed.

Many calculations involve solving systems of linear equations. In many cases, you will find it convenient to write down the equations explicitly, and then solve them using ...

DifferentialD[x] displays as \[DifferentialD]x.

RidgeFilter[image] computes a measure for the presence of a ridge for each pixel in image.RidgeFilter[image, \[Sigma]] uses the specified ridge scale \[Sigma].

Many large-scale applications of linear algebra involve matrices that have many elements, but comparatively few that are nonzero. You can represent such sparse matrices ...

ObservabilityGramian[ss] gives the observability Gramian of the StateSpaceModel object ss.