Exercises on Sequences

A sequence is a function with the domain being the natural numbers formula .

A sequence can be written like this a0, a2, a2,... or like this

formula

Recurrence equations

A geometric progression can be defined in different ways. Consider the infinite geometric progression

formula

You can describe the geometric progression in two ways.

A recurrence equation

formula

An explicit formula

formula

Exercises

Use QtOctave to find the limit as formula of following sequences. Type format long to show more decimals. Try different initial values c, do you get different limits?

  1. formula
  2. formula

Try to explain your answers. If you fail, do the exercises on fixpoints.

by Malin Christersson under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 Sweden License