trfmod - poles and zeros display

Calling Sequence

[hm]=trfmod(h [,job])

Description

To visualize the pole-zero structure of a SISO transfer function h .

job='p' : visualization of polynomials (default)

job='f' : visualization of natural frequencies and damping

Interactive simplification of h . trfmod opens a dialog window.

See Also

poly ,   simp ,