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(Solved): Question 9. Find an LU decomposition for the given matrix A where L is a lower-triangular matrix wit ...



Question 9. Find an

LU

decomposition for the given matrix

A

where

L

is a lower-triangular matrix with 1 's on the diagonal. You must show your steps for credit.

A=[[1,-1,0,1],[2,0,3,2],[-1,1,1,-1],[0,6,11,3]]

Question 10. Use your

LU

decomposition from the previous problem to solve

Ax=b

, where

b=[[0],[-2],[0],[-12]]

9 and 10 plz

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