# Recursive Filter Impulse Response

A recursive filter has the difference equation

y[n]=-0.8y[n-1]+0.1y[n-2]+x[n]

a. Find the impulse response for the filter?

b. How many nonzero terms does the impulse response contain?

https://brainmass.com/engineering/electrical-engineering/recursive-filter-impulse-response-125730

#### Solution Summary

The solution finds the impulse response for the filter. The amount of nonzero terms that the impulse response contains is given.

$2.49