zplane
Plot zeros and poles of a discrete transfer function.
Syntax
zplane(z)
zplane(z,p)
zplane(b,a)
Inputs
- z
- The zero locations, stored by column.
- p
- The pole locations, stored by column.
- b
- The numerator polynomial coefficients, stored by row.
- a
- The denominator polynomial coefficients, stored by row.
Example
Plot the zeros and poles of the specified filter.
[b,a] = cheby2(5,20,[0.3,0.6],'stop','z');
zplane(b,a);