https://blog.youkuaiyun.com/2302_80876751zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/2302_80876751/article/details/161777662https://blog.youkuaiyun.com/2302_80876751/article/details/1617776622302_80876751Sat, 27 Jun 2026 16:13:58 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/159788055https://blog.youkuaiyun.com/2302_80876751/article/details/1597880552302_80876751Sat, 04 Apr 2026 15:29:58 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/159213916https://blog.youkuaiyun.com/2302_80876751/article/details/1592139162302_80876751Wed, 18 Mar 2026 21:57:12 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/159174179https://blog.youkuaiyun.com/2302_80876751/article/details/1591741792302_80876751Tue, 17 Mar 2026 22:05:12 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/156986132https://blog.youkuaiyun.com/2302_80876751/article/details/1569861322302_80876751Tue, 20 Jan 2026 11:15:37 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/156576222https://blog.youkuaiyun.com/2302_80876751/article/details/1565762222302_80876751Sun, 04 Jan 2026 21:10:21 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/156359923https://blog.youkuaiyun.com/2302_80876751/article/details/1563599232302_80876751Sun, 28 Dec 2025 14:02:36 +0800https://blog.youkuaiyun.com/2302_80876751/article/details/151587847https://blog.youkuaiyun.com/2302_80876751/article/details/1515878472302_80876751Thu, 11 Sep 2025 22:44:57 +0800 A=1:10 %返回一个从1开始，每次增加1的 1行10列的向量。2）linspace指定起点和终点，生成想要点的个数（间隔均匀）>> 0.1:0.1:1 %起点:步长:终点。1）起点:终点 %中间省略了步长，默认为1。2）A(c)取出从左往右（从列开始数）的第c个数字。1）矩阵加上一个常数=每个数值都加上该常数。2）矩阵乘上一个常数=每个数值都乘上该常数。3）eye生成一个对角线为1的矩阵。b.找到A中所有大于5的数字的位置。1）取出A的第二行第三列的数。]]>