A=[1 2 3;1 1 1;3 1 1 ];
inv(A)
ans =
-0.0000 -0.5000 0.5000
-1.0000 4.0000 -1.0000
1.0000 -2.5000 0.5000
设A=(1 2 3;1 1 1;3 1 1 )求A的逆矩阵
设A=(1 2 3;1 1 1;3 1 1 )求A的逆矩阵
帮帮小弟
帮帮小弟
数学人气:610 ℃时间:2020-02-06 01:27:36
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