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vote
1answer
1k views

Difference equations and Matlab (some working)

The difference equations below model the yearly populations of wolves and moose, measured in hundreds. The wolves kill the moose for food. http://imgur.com/jV3v06Y I think I've worked out what x and ...
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1answer
952 views

Visualize a difference equation with Matlab [closed]

I have a difference equation for a Single Pole Infinite Impulse Response Filter, defined on a discrete time-series: $y[n]-(1-\alpha)*y[n-1]=\alpha*x_n$ While the []s brackets refer to a position n ...
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1answer
193 views

How to apply the solution of $y(n) = (0.85)y(n-1) + x(n)$ to data

I learned how to solve difference equation $y(n) = (0.85)y(n-1) + x(n)$ using z Transform, and inverse z Transform, I get $h(n) = 0.85^n u(n)$ where $u(n)$ is unit step sequence. Now my ...