trfmod(1)

NAME
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.

SEE ALSO
poly