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求A的逆矩阵
我算不出来这个,数太大了,又没有相关软件~
·呵呵呵呵,
7 2077.8 650083.3
A= 2077.8 650083.3 213307917.894
650083.3 213307917.894 72908170827.4
人气:473 ℃ 时间:2020-04-29 20:58:37
解答
In[3]=Inverse[( {
{7,2077.8,650083.3},
{2077.8,650083.3,213307917.894},
{650083.3,213307917.894,72908170827.4}
} )]
Out[3]={{68.7008,-0.464523,0.000746491},{-0.464523,
0.00317935,-5.15993*10^-6},{0.000746491,-5.15993*10^-6,
8.4541*10^-9}}
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