矩阵乘法虽然通常不可交换,却具有可结合性,因此改变括号位置不会改变结果。
Although matrix multiplication is generally not commutative, it is associative, so changing the placement of parentheses does not change the result.
Although matrix multiplication is generally not commutative, it is associative, so changing the placement of parentheses does not change the result.