matrixmultiply.m

matlab实用教程

function matrixMultiply(A, B)
try
   A * B
catch
   err = lasterror;
   if(strfind(err.message, 'Inner matrix dimensions'))
      disp('** Wrong dimensions for matrix multiply')
   else
      if(strfind(err.message, ...
                 'not defined for values of class'))
         disp('** Both arguments must be double matrices')
      end
   end
end