Consider the following recurrence relation: P(n) = {. P(n-1) + 1 Prove by induction that P(n) = 50 - 1 if n = 0 if n > 0. (Induction on n.) Let f(n)=5n-1₁ Base Case: If n = 0, the recurrence relation says that P(0) = 0, and the formula says that f(0) = for all n ≥ 0. Inductive Hypothesis: Suppose as inductive hypothesis that P(k-1) = 5 Inductive Step: Using the recurrence relation, P(K) 5. P(k-1) + 1, by the second part of the recurrence relation - 5k-5 +4 5k-1 4 1, by inductive hypothesis so, by induction, P(n) = f(n) for all n ≥ 0. for some k> 0. 4 ✓ , so they match.
Consider the following recurrence relation: P(n) = {. P(n-1) + 1 Prove by induction that P(n) = 50 - 1 if n = 0 if n > 0. (Induction on n.) Let f(n)=5n-1₁ Base Case: If n = 0, the recurrence relation says that P(0) = 0, and the formula says that f(0) = for all n ≥ 0. Inductive Hypothesis: Suppose as inductive hypothesis that P(k-1) = 5 Inductive Step: Using the recurrence relation, P(K) 5. P(k-1) + 1, by the second part of the recurrence relation - 5k-5 +4 5k-1 4 1, by inductive hypothesis so, by induction, P(n) = f(n) for all n ≥ 0. for some k> 0. 4 ✓ , so they match.
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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