更新时间2022-05-31 06:39:34
1 -1 -1 1 0 0 1 -1 -1 1 0 0 1 -1 -1 1 -1 -1 1 0 0 0.5 -1 -0.5
1 1 -1 0 1 0 = 0 2 0 -1 1 0 = 0 1 0 -0.5 0.5 0 = 0 1 0 -0.5 0.5 0
1 1 1 0 0 1 0 2 2 -1 0 1 0 1 1 -0.5 0 0.5 0 0 1 0 -0.5 0.5
【1】②-①,③-①【2】②/2,③/2【3】①+③,③-②
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0.5 -1 -0.5
A的逆矩阵= -0.5 0.5 0
0 -0.5 0.5