Unformatted text preview: , x (2) and x (3) are the solutions obtained above for b = e (1) , e (2) and e (3) , respectively, what is the relationship of the matrix X = £ x (1) x (2) x (3) / to A ? Brieﬂy explain how x (2) and x (3) can be obtained at the same time as x (1) . S 12.2 . (i) Determine the LU factorization of A = 2 773 1 553 2 3 1 3 1 42 2 (ii) Solve Ax = b , where b = [10 56 3] T , by means of the two triangular systems Ly = b and Ux = y...
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 Spring '08
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 Equals sign, 12 pts, 8 pts, LU factorization, Ly, calculator matrix functions

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