<p>若向量<img alt="" width="63" height="72" style="width: 100%;height: auto;" src="https://learnfile.20230611.cn/learnAppQuestion/2f/af/2fafc8358ebfa9d2f56e5da60df1ddf0.png"><span style="font-size: 14px;">为矩阵<img alt="" width="91" height="64" style="wid