If (Built-in Mathematica Symbol)

If[condition, t, f] gives t if condition evaluates to True, and f if it evaluates to False. If[condition, t, f, u] gives u if condition evaluates to neither True nor False.

ReplaceAll (Built-in Mathematica Symbol)

expr /. rules applies a rule or list of rules in an attempt to transform each subpart of an expression expr.

SetAttributes (Built-in Mathematica Symbol)

SetAttributes[s, attr] adds attr to the list of attributes of the symbol s.

StabilityMargins (Built-in Mathematica Symbol)

StabilityMargins is an option to frequency response plots such as BodePlot, NyquistPlot, and NicholsPlot that specifies the gain and phase margins to be shown on the plot.

Switch (Built-in Mathematica Symbol)

Switch[expr, form_1, value_1, form_2, value_2, ...] evaluates expr, then compares it with each of the form_i in turn, evaluating and returning the value_i corresponding to ...

TransferFunctionCancel (Built-in Mathematica Symbol)

TransferFunctionCancel[tf] cancels common poles and zeros in the TransferFunctionModel object tf.TransferFunctionCancel[tf, crit] cancels only common pole-zero pairs e_i for ...

TransferFunctionExpand (Built-in Mathematica Symbol)

TransferFunctionExpand[tf] expands polynomial terms in the numerators and denominators of the TransferFunctionModel object tf.

TransferFunctionFactor (Built-in Mathematica Symbol)

TransferFunctionFactor[tf] factors the polynomial terms in the numerators and denominators of the TransferFunctionModel object tf.

ZTransform (Built-in Mathematica Symbol)

ZTransform[expr, n, z] gives the Z transform of expr. ZTransform[expr, {n_1, n_2, ...}, {z_1, z_2, ...}] gives the multidimensional Z transform of expr.

Window Properties (Mathematica Guide)

Mathematica allows detailed control of the overall look and operation of notebook windows.