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Solved: Suppose an n × (n + 1) matrix is row reduced to
Chapter 1, Problem 32E(choose chapter or problem)
PROBLEM 32E
Suppose an n × (n + 1) matrix is row reduced to reduced echelon form. Approximately what fraction of the total number of operations (flops) is involved in the backward phase of the reduction when n = 30? when n = 300?
Questions & Answers
QUESTION:
PROBLEM 32E
Suppose an n × (n + 1) matrix is row reduced to reduced echelon form. Approximately what fraction of the total number of operations (flops) is involved in the backward phase of the reduction when n = 30? when n = 300?
ANSWER:
Solution
Step 1
In this problem we have to the find the fraction of the total number of operations (flops) in the backward phase of the reduction when,
For an matrix when the number of flops for getting echelon form is and the number of flops for getting reduced echelon form is .