MTIMES (*) is not fully supported for integer classes. At least one argument must be scalar. MTIMES (*) is not supported for one sparse argument and one single argument. Arguments must be 2-D, or at least one argument must be scalar. Use TIMES (.*) for elementwise multiplication, or use PAGEMTIMES to apply matrix multiplication to the pages of N-D arrays. Both logical arguments must be scalar. Use TIMES (.*) for elementwise multiplication. Argument class is not supported.