Mathematica allows convenient discovery and customization of all aspects of its system setup.
AbortProtect[expr] evaluates expr, saving any aborts until the evaluation is complete.
AbsoluteTiming[expr] evaluates expr, returning a list of the absolute number of seconds in real time that have elapsed, together with the result obtained.
Extract
(Built-in Mathematica Symbol) Extract[expr, list] extracts the part of expr at the position specified by list. Extract[expr, {list_1, list_2, ...}] extracts a list of parts of expr. Extract[expr, list, h] ...
Refresh
(Built-in Mathematica Symbol) Refresh[expr, opts] represents an object whose value in a Dynamic should be refreshed at times specified by the options opts. Refresh[expr, None] specifies that the value of ...
Eigensystem[m] gives a list {values, vectors} of the eigenvalues and eigenvectors of the square matrix m. Eigensystem[{m, a}] gives the generalized eigenvalues and ...
MixtureDistribution[{w_1, ..., w_n}, {dist_1, ..., dist_n}] represents a mixture distribution whose CDF is given as a sum of the CDFs of the component distributions dist_i, ...
NLimit
(Numerical Calculus Package Symbol) NLimit[expr, z -> z_0] numerically finds the limiting value of expr as z approaches z_0.
BSplineCurve[{pt_1, pt_2, ...}] is a graphics primitive that represents a non-uniform rational B-spline curve with control points pt_i.
OutputResponse[sys, u, t] gives the output response of a TransferFunctionModel or StateSpaceModel object sys to the input u as a function of time t.OutputResponse[sys, u, {t, ...