Unprotect[s_1, s_2, ...] removes the attribute Protected for the symbols s_i. Unprotect["form_1", "form_2", ...] unprotects all symbols whose names textually match any of the ...

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

Identity[expr] gives expr (the identity operation).

DirichletConvolve[f, g, n, m] gives the Dirichlet convolution of the expressions f and g.

Definition[symbol] prints as the definitions given for a symbol.

BodePlot[g] gives the Bode plot of a rational function g in one complex variable.BodePlot[sys] gives the Bode plot of a TransferFunctionModel or StateSpaceModel object ...

When searching for a real simple root of a real valued function, it is possible to take advantage of the special geometry of the problem, where the function crosses the axis ...

InverseErf[s] gives the inverse error function obtained as the solution for z in s = erf(z).

Mathematica provides various ways to set up conditionals, which specify that particular expressions should be evaluated only if certain conditions hold. Conditional ...

At the core of Mathematica is its highly developed symbolic language, which unifies a broad range of programming paradigms and uses its unique concept of symbolic programming ...