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rifd 335
rifd
Syntax
[stat] = rifd(vec,{discrete,Hertz,degrees})
Parameter List
Inputs: vec complex valued vector (or Dynamic System - see below).
Keywords: discrete Boolean. Vector is to be interpreted in the z domain,
rather than the s domain. Default = 0.
Hertz Boolean. Display frequency units in Hertz on the s plane.
!Hertz gives a display in radians/sec. Default = 0.
degrees Boolean. Display angle in degrees for z plane. !degrees
gives a display in radians. Default = 0.
Outputs: stat Status. stat = 1 if an error occurs.
Description
Displays complex valued vectors in terms of s or z domain properties. The primary use
is for interpreting the output of poles or zeros in engineering units.
For the s domain, the real and imaginary parts and frequency and damping are
displayed.
For the z domain, the pole radius and angle are displayed. Note that the angle is
actually the normalized frequency (radians/sample).
If vec is a Dynamic System, the poles and zeros are calculated and displayed. This is
a useful shorthand for the most common usage: rifd(poles(system)). In this case
there is no need to specify the discrete keyword as this is be determined directly from
the Dynamic System.