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Member of the dsp class. Use members of the linear systems subclass to manipulate linear systems.

Function	Description
eqtflength	Equalizes length of discrete-time transfer function
filternorm	2-norm or inf-norm of digital filter
latc2tf	Lattice filter to transfer function
polyscale	Scales roots of polynomial
polystab	Stabilizes polynomial
residuez	z-transform partial fraction expansion
sos2ss	Second-order section to state-space
sos2tf	Second-order section to transfer function
sos2zp	Second-order section to zero-pole-gain
ss2sos	State-space to second-order section
ss2tf	State-space to transfer function
ss2zp	State-space to zero-pole-gain
tf2latc	Transfer function to lattice filter
tf2sos	Transfer function to second-order section
tf2ss	Transfer function to state-space
tf2zp	Transfer function to zero-pole-gain
tf2zpk	Transfer function to zero-pole-gain
zp2sos	Zero-pole-gain to second-order section
zp2ss	Zero-pole-gain to state-space
zp2tf	Zero-pole to transfer function