Consider the following recursive algorithm. ALGORITHM Q(n) //Input: A positive integer n if n = 1 return 1 else return Q(n-1) +2*n-1 a. Set up a recurrence relation for this function's values and solve it to deter- mine what this algorithm computes. b. Set up a recurrence relation for the number of multiplications made by this algorithm and solve it. c. Set up a recurrence relation for the number of additions/subtractions made by this algorithm and solve it.
Consider the following recursive algorithm. ALGORITHM Q(n) //Input: A positive integer n if n = 1 return 1 else return Q(n-1) +2*n-1 a. Set up a recurrence relation for this function's values and solve it to deter- mine what this algorithm computes. b. Set up a recurrence relation for the number of multiplications made by this algorithm and solve it. c. Set up a recurrence relation for the number of additions/subtractions made by this algorithm and solve it.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:2. Algorithm analysis (Ex.2.4-4)
Consider the following recursive algorithm.
ALGORITHM Q(n)
//Input: A positive integer n
if n = 1 return 1
else return Q(n-1) + 2 *n-1
a. Set up a recurrence relation for this function's values and solve it to deter-
mine what this algorithm computes.
b. Set up a recurrence relation for the number of multiplications made by this
algorithm and solve it.
c. Set up a recurrence relation for the number of additions/subtractions made
by this algorithm and solve it.
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