function r = times(a, b)
% TIMES  Create a functor that multiplies two other functors.
% r = times(a, b)
% :param a:
%     Instance of class :mat:func:`Func`
% :param b:
%     Instance of class :mat:func:`Func`
% :return:
%     Instance of class :mat:func:`Func`
%

r = Func('prod', a, b);