摘要：
> c [,1] [,2] [,3] [,4] [1,] 1 4 7 10 [2,] 2 5 8 11 [3,] 3 6 9 12 > eigen(c) eigen() decomposition $`values` [1] 3.620937e+01 -2.209373e+00 1.599839e-15 ... 阅读全文
posted @ 2018-11-16 10:57
lypbendlf
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