如题
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如题
如题
如题
供参考
[3 2 1 1 0 0;3 1 5 0 1 0; 3 2 3 0 0 1]
→[3 2 1 1 0 0;0 -1 4 -1 1 0; 0 0 2 -1 0 1]→
→[3 0 9 -1 2 0;0 1 0 -1 -1 2; 0 0 1 -1/2 0 1/2]→
→[1 0 0...
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[3 2 1 1 0 0;3 1 5 0 1 0; 3 2 3 0 0 1]
→[3 2 1 1 0 0;0 -1 4 -1 1 0; 0 0 2 -1 0 1]→
→[3 0 9 -1 2 0;0 1 0 -1 -1 2; 0 0 1 -1/2 0 1/2]→
→[1 0 0 7/6 2/3 -3/2 ;0 1 0 -1 -1 2; 0 0 1 -1/2 0 1/2]→
A^(-1)=[7/6 2/3 -3/2 ; -1 -1 2; -1/2 0 1/2]
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