@Override
    public IComplexNDArray mmul(INDArray other, INDArray result) {
        return dup().mmuli(other, result);
    }
@ Override public IComplexNDArray mmul ( INDArray other , INDArray result ) { return dup ( ) . mmuli ( other , result ) ; }
Perform an copy matrix multiplication

@param other  the other matrix to perform matrix multiply with
@param result the result ndarray
@return the result of the matrix multiplication