From: Taylor on
How do I evaluate a transfer function at a point s=x, where x is some complex number? I tried subs, but it does not work.
From: Saurabh Mahapatra on
Hi there,

Use the evalfr function from the Control System Toolbox:

http://www.mathworks.de/access/helpdesk/help/toolbox/control/ref/evalfr.html

Thanks,

Saurabh