Untitled -- Sage

AA_t = matrix(QQ,2,2,[2,1,1,2]) A_tA = matrix(QQ,3,3,[1,1,0,1,2,1,0,1,1]) print AA_t.right_eigenvectors() print A_tA.right_eigenvectors()

[(3, [
(1, 1)
], 1), (1, [
(1, -1)
], 1)]
[(3, [
(1, 2, 1)
], 1), (1, [
(1, 0, -1)
], 1), (0, [
(1, -1, 1)
], 1)]

[(3, [
(1, 1)
], 1), (1, [
(1, -1)
], 1)]
[(3, [
(1, 2, 1)
], 1), (1, [
(1, 0, -1)
], 1), (0, [
(1, -1, 1)
], 1)]

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