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Ch-3-Prob-14-New-황성빈
1906 days ago by matrix
A=matrix(3,3,[2,0,0,0,-5,0,0,0,3]) print A.inverse()
[ 1/2 0 0] [ 0 -1/5 0] [ 0 0 1/3]
[ 1/2 0 0] [ 0 -1/5 0] [ 0 0 1/3]