Consider the following recurrence relation and initial conditions. bk = 8bk - 1- 12bk – 2, for every integer k 2 2 bo = 2, b, = 1 (a) Suppose a sequence of the form 1, t, t2, t, initial conditions). What is the characteristic equation of the recurrence relation? where t + 0, satisfies the given recurrence relation (but not necessarily the What are the possible values of t? (Enter your answer as a comma-separated list.) t = (b) Suppose a sequence bo, b1, b2, ... satisfies the given initial conditions as well as the recurrence relation. Fill in the blanks below to derive an explicit formula for bo, b1, b2, ... in terms of n. It follows from part (a) and the distinct * roots theorem that for some constants C and D, the terms of bo, b1, b2, satisfy bn = the equation Remember to use capital C and D. for every integer n 2 0. Solve for C and D by setting up a system of two equations in two unknowns using the facts that bo = 2 and b, = 1. The result is that bn = x for every integer n > 0.
Consider the following recurrence relation and initial conditions. bk = 8bk - 1- 12bk – 2, for every integer k 2 2 bo = 2, b, = 1 (a) Suppose a sequence of the form 1, t, t2, t, initial conditions). What is the characteristic equation of the recurrence relation? where t + 0, satisfies the given recurrence relation (but not necessarily the What are the possible values of t? (Enter your answer as a comma-separated list.) t = (b) Suppose a sequence bo, b1, b2, ... satisfies the given initial conditions as well as the recurrence relation. Fill in the blanks below to derive an explicit formula for bo, b1, b2, ... in terms of n. It follows from part (a) and the distinct * roots theorem that for some constants C and D, the terms of bo, b1, b2, satisfy bn = the equation Remember to use capital C and D. for every integer n 2 0. Solve for C and D by setting up a system of two equations in two unknowns using the facts that bo = 2 and b, = 1. The result is that bn = x for every integer n > 0.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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