342 8 Sequences and Series is given in two parts: if a Sn =I+ nc for V n E N; 1, if a + 1, C Sn = a"A+ 1 for Vn E N. a When a = 1, any particular solution is obtained by determining a specific, numerical value for I. In fact, a particular solution is determined by a specific, numerical value J for any (particular) entry, S;. Solving the equation J =I+ jc for I, I = J – jc. // since S; = I+ jc // where So = I we get // One particular “particular solution" has I = 0. When a + 1, any particular solution is obtained by determining a specific, numerical value for A; if the starting value I is given, then A = I – In fact, 1 - a a particular solution is determined by a specific, numerical value J for any (particular) entry, S;. Solving the equation J = Aa + for A, 1 - a 1 A = aj we get // But what if a = 0? 1 - // One particular “particular solution" has A = 0. Example 8.2.1: The Towers of Hanoi The recurrence equation for the number of moves in the Towers of Hanoi problem is a first-order linear recurrence equation: Tn = 2Tn-1+1. C 1 Here a =2 and c = 1, so 1 = -1, and any sequence T that satisfies — а 1 this RE is given by the formula Tn = 2" [1 – (-1)] +(-1) = 2" [I+ 1] – 1.
342 8 Sequences and Series is given in two parts: if a Sn =I+ nc for V n E N; 1, if a + 1, C Sn = a"A+ 1 for Vn E N. a When a = 1, any particular solution is obtained by determining a specific, numerical value for I. In fact, a particular solution is determined by a specific, numerical value J for any (particular) entry, S;. Solving the equation J =I+ jc for I, I = J – jc. // since S; = I+ jc // where So = I we get // One particular “particular solution" has I = 0. When a + 1, any particular solution is obtained by determining a specific, numerical value for A; if the starting value I is given, then A = I – In fact, 1 - a a particular solution is determined by a specific, numerical value J for any (particular) entry, S;. Solving the equation J = Aa + for A, 1 - a 1 A = aj we get // But what if a = 0? 1 - // One particular “particular solution" has A = 0. Example 8.2.1: The Towers of Hanoi The recurrence equation for the number of moves in the Towers of Hanoi problem is a first-order linear recurrence equation: Tn = 2Tn-1+1. C 1 Here a =2 and c = 1, so 1 = -1, and any sequence T that satisfies — а 1 this RE is given by the formula Tn = 2" [1 – (-1)] +(-1) = 2" [I+ 1] – 1.
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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Solve the first-order linear recurrence relation: Sn+1 = 5 Sn + 1, with S0=1. You may use the general solution given on P.342.
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