Mathematics, 13.09.2019 18:30 babas97
Ax = b: a = ( −2 −1 2 −2 2 3 −4 1 3 ) b = ( −1 −1 4 ) x = ( x1 x2 x3 ) (a) (6 pts) use the elimination method to find the matrices l and u such that a = lu. (b) (3 pts) solve the intermediate system ly = b for the intermediate variable y. (c) (3 pts) solve the system ux = y and confirm your solution from problem 2 above
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on the left side with the following elimination matrix 
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on the left by another elimination matrix 
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Ax = b: a = ( −2 −1 2 −2 2 3 −4 1 3 ) b = ( −1 −1 4 ) x = ( x1 x2 x3 ) (a) (6 pts) use the eliminat...
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