Unformatted text preview: Instead of using Ch.1, some people guessed, but this didn’t usually work out. Remember that dim S + dim S ⊥ = 3, so the answer should be a list of two vectors. 2) Since L : P 3 → P 3 , and dim P 3 = 3, the matrix should be 3x3. Compute L (1) = 0 = [0 0 0] T which is column 1, etc. Get A = 1 2 3) These are in the text, except that 3b) was HW: Assume A = S1 BS . Cube both sides and cancel the SS1 ’s and get A 3 = S1 B 3 S . So, A 3 is similar to B 3 . 1...
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 Spring '09
 JULIANEDWARDS
 Derivative, Linear least squares, Prof. S. Hudson

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