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omatrix_inverse

omatrix_inverse(A)
:: 行列 A の逆行列を求めます.
return
行列
A
行列 or リスト
[309] omatrix_inverse([[1,1],[1,2]]);
[ 2 -1 ]
[ -1 1 ]

[310] omatrix_inverse([[a,b],[c,d]]);
[ (d)/(d*a-c*b) (-b)/(d*a-c*b) ]
[ (-c)/(d*a-c*b) (a)/(d*a-c*b) ]


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