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1
Using Spectral Decomposition to solve for b (in Ax=b)
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https://preview.redd.it/ejrxf7umbj9d1.png?width=1275&format=png&auto=webp&s=d900d0b456806af25a34e0f5828202ff0563dbda

The solution uses b=transpose(Q)*a, but I do not see it.

I am at this point of solving part a) and would like some pointers

Q*Λ*trn(Q)*a = b

Λ*trn(Q)*a = trn(Q)*b

How can I proceed to find b?

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4 months ago