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Question
请问怎么让具有两列元素的矩阵按照行之和的大小顺序排列？。
比如矩阵:A=[1,2; 6,4; 2,7]; A每行的和形成的矩阵就是[3,12,9]; 想要的效果是排序之后为 [1,2; 2,7; 6,4]; 我看到sort是会对每列排序，达不成这样的效果，请问有什么简单直接一些的方法吗？
2 years ago | 1 answer | 0
