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Ch-1.2-New2-이기연
2275 days ago by matrix
x=vector([1, 2, -2]) y=vector([-2, 1, 2]) z=x.inner_product(y) print z xn=x.norm() yn=y.norm() print xn print yn print z/(xn*yn)
-4 3 3 -4/9
-4 3 3 -4/9