Question:

Question 6 (7 points) Find an LU factorization of the following matrix (with L unit lower triangular). 2 3 |6 4 - |-4 26 2 28 4 1 18 6 16 10 26 14 A Problem 6 Find an LU factorization of the following matrix (with L unit lower triangular). 1 3 -5 -3 -1 =5 8 4 4 2 =5 -7 -2 -4 7 5 A= 1 1 -3] [t 3 -5 -3 -1 5 8 ][0 1.0 2 3 1|_,_. 4 0 10 15 5[7lo 0 0 o -2 -4 0 -1 0 0 0 0 So, k1=-1, k2=4, k3=-2, k4=5, k5=-1 1 0 00 L1 1 00 4 5 10 -2 -1 0 1