Question: (a) How many arithmetic operations are required to compute the Q R factorization of an n n matrix? (b) How many additional operations are

(a) How many arithmetic operations are required to compute the Q R factorization of an n × n matrix?
(b) How many additional operations are needed to utilize the factorization to solve a linear system Ax = b via (5.34)?
(c) Compare the amount of computational effort with standard Gaussian Elimination.

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