Problem 2. Forward elimination changes Ar=6 to a row reduced Rx = d. Suppose that the complete solution is x = |0+c +c0 [0] (a) What is the 3 by 3 reduced row echelon matrix R and what is d? If the process of elimination subtracted 3 times row 1 from row 2 and then 5 (b) times row i from row 3, what matrix connects R and d to the original A and b? Use this matrix to find A and b.
Problem 2. Forward elimination changes Ar=6 to a row reduced Rx = d. Suppose that the complete solution is x = |0+c +c0 [0] (a) What is the 3 by 3 reduced row echelon matrix R and what is d? If the process of elimination subtracted 3 times row 1 from row 2 and then 5 (b) times row i from row 3, what matrix connects R and d to the original A and b? Use this matrix to find A and b.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.3: The Gram-schmidt Process And The Qr Factorization
Problem 8AEXP
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