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Page 9 - _1 Sorting Number l[Al/q b(6 points Solve the...

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Unformatted text preview: ___\_1 Sorting Number: l [Al/q b) (6 points) Solve the following linear system of equations using LU decomposition will partial pivoting. —5x1+12x3 =60 4x1—x2 —x3 =—2 xl —2x2 +12963 = 486 To save you time, the first step of the LU decomposition process has been performed for you below: —5 0 12 60 A: 4 —1 ~1,b= —2 l —2 12 —86 Forward eliminate with f21=—4/5,f31 = —1/5 to produce —5 0 12 60 A'= 0 —1 8.6 ,b'= —2 O —2 14.4 —86 Record your final answers for x1 , x2, and x3 in the spaces below: x1 = x2 = x3 = Q‘ (96‘ U 8-) «Mon {it comma-o simmer-go») O (‘21I 013' 0 0 Q53” WK? /3 WQM (HE Mums @vss L m Gm V @056 \) mgeqx 9 Fall 2009 owe /" y ...
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