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Ch4 problem8
1663 days ago by ghkdgnf
A=matrix(QQ, 3, 3, [1,2,3,2,4,6,3,6,9]) print A.eigenvectors_right()
[(14, [ (1, 2, 3) ], 1), (0, [ (1, 0, -1/3), (0, 1, -2/3) ], 2)]
[(14, [ (1, 2, 3) ], 1), (0, [ (1, 0, -1/3), (0, 1, -2/3) ], 2)]
x1=vector([1, 2, 3]) x2=vector([1, 0,-1/3]) x3=vector([0, 1,-2/3]) a=x1.dot_product(x2) b=x3.dot_product(x1) print a print b
0 0
0 0