How to find the original vector given the outer product of the vector?
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Suppose we have a vector:
psi = rand(n,1) + 1i * rand(n,1);
and we compute its outer product:
outer_product = psi * psi'
Now, given this outer_product, is there a way to retrieve the original vector?
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Steven Lord
am 13 Mär. 2023
n = 3;
psi1 = rand(n,1) + 1i * rand(n,1)
outer_product1 = psi1 * psi1'
psi2 = 1i*psi1
outer_product2 = psi2 * psi2'
norm(outer_product1-outer_product2)
outer_product1 and outer_product2 are effectively identical. So if I gave you that outer_product, did I generate it using psi1 or psi2?
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