with(Student[LinearAlgebra])：
B := Matrix(3, 3, {(1, 1) = -1, (1, 2) = 1, (1, 3) = 0, (2, 1) = -4, (2, 2) = 3, (2, 3) = 0, (3, 1) = 1, (3, 2) = 0, (3, 3) = 2});
Eigenvectors(B);
Eigenvectors(B, output = 'list');
红色字体表示特征根的重数
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