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Update 02.08.md #414

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## 分析与解法

根据wikipedia上的介绍：两个矩阵的乘法仅当第一个矩阵A的行数和另一个矩阵B的列数相等时才能定义。如A是m×n矩阵，B是n×p矩阵，它们的乘积AB是一个m×p矩阵，它的一个元素其中 1 ≤ i ≤ m, 1 ≤ j ≤ p。
根据wikipedia上的介绍：两个矩阵的乘法仅当第一个矩阵A的列数（column）和第二个矩阵B的行数（row）相等时才能定义。如A是m×n矩阵，B是n×p矩阵，它们的乘积AB是一个m×p矩阵，它的一个元素其中 1 ≤ i ≤ m, 1 ≤ j ≤ p。

![](../images/41~42/42.1.png)

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