R语言求特征值和特征向量

> a=diag(4)+1 > a [,1] [,2] [,3] [,4] [1,] 2 1 1 1 [2,] 1 2 1 1 [3,] 1 1 2 1 [4,] 1 1 1 2 > a.e=eigen(a,symmetric=T) > a.e eigen() decomposition

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