.. highlightlang:: us .. index:: exp .. _exp: exp === .. us.tag exp ENGLISH math-base :ref:`exp` returns the exponential value of its parameter. .. function:: r = exp(m) .. us.return **Return Value** *r* is the exponential value of *m*. .. us.params **Parameters** .. uparam:: m *m* is a real or complex matrix. .. seealso:: :ref:`overview-mathematic` :sub:`id-1806438`