Given twosparse matricesAandB, return the result ofAB.
You may assume thatA's column number is equal toB's row number.
这是道数学题 矩阵相乘
A 行元素*B列 构成新数组。
Given twosparse matricesAandB, return the result ofAB.
You may assume thatA's column number is equal toB's row number.
这是道数学题 矩阵相乘
A 行元素*B列 构成新数组。