Periodic versus non-periodic functions (hw1, ECE301)

Read the instructor's comments here.

Periodic Function

A periodic function is a function that has repeating values after a certain period of time and keeps repeating as time continues.

CT periodic function:

$ y = sin(x) $

Sinplots ECE301Fall2008mboutin.JPG

Non-Periodic Function

DT non-periodic function:

$ y = sin(x) $

Sindots ECE301Fall2008mboutin.JPG

Even though the equation is the same, this equation is in discrete time, so it's a non-periodic function.

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