.. highlightlang:: us .. _ismatrix: ismatrix ======== .. index:: ismatrix .. us.tag ismatrix NOTREADYENGLISH :ref:`ismatrix` checks if the argument is a matrix of any type .. function:: bool = ismatrix(m) .. us.return **Return Value** *bool* is TRUE (1) if the argument is a matrix and FALSE (0) if the argument is not a matrix. .. us.params **Parameters** .. uparam:: m *m* is a scalar, matrix or function. .. seealso:: :ref:`overview-mathematic`, :ref:`size`, :ref:`isvector`, :ref:`isscalar` :sub:`id-1800680`