<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[bigzirconium的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/bigzirconium</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; bigzirconium]]></copyright><item><title><![CDATA[python实现求矩阵行列式、求逆矩阵等各种矩阵操作（不使用numpy包）]]></title><link>https://blog.youkuaiyun.com/bigzirconium/article/details/115033835</link><guid>https://blog.youkuaiyun.com/bigzirconium/article/details/115033835</guid><author>bigzirconium</author><pubDate>Sat, 20 Mar 2021 20:12:00 +0800</pubDate><description><![CDATA[矩阵A第i行第j列元素的余矩阵
    p=len(A)#矩阵的行数
    q=len(A[0])#矩阵的列数
    C=[[A[x][y] for y in range(q) if y!=j] for x in range(p) if x!=i]#列表推导式
    return C
def det(A):
    #按第一行展开递归求矩阵的行列式
    p=len(A)#矩阵的行数
    q=len(A[0])#矩阵的列数
    if(p==1 and q==1):
        retur]]></description><category></category></item></channel></rss>