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Functions
Functions
 
Name 
Description 
 
Apply bilinear transform to a linear system represented in state-space form.  
 
Compute bilinear transformation.  
 
Returns prewarped frequency according to the bilinear transform.  
 
Return unwarped frequency according to the bilinear transform.  
 
Returns gain of a filter with zeroes in z and poles in p.  
 
Returns gain of a filter with zeroes in z and poles in p.  
 
Convert a lowpass filter prototype in state space form to a bandstop filter.  
 
Frequency transformation from a lowpass to a bandpass filter in s-domain.  
 
Apply frequency band transformation from lowpass to bandpass in the z-domain.  
 
The function returns modified z (zeros), p (poles) and k (gain).  
 
Convert a lowpass filter prototype in state space form to a bandstop filter.  
 
Frequency transformation from a lowpass to a bandstop filter in s-domain.  
 
Apply frequency band transformation from lowpass to bandstop in the z-domain.  
 
The function returns modified z (zeros), p (poles) and k (gain).  
 
Transform a lowpass filter prototype in state space form to highpass filter.  
 
Frequency transformation from a lowpass to a highpass filter in s-domain.  
 
Apply frequency band transformation from lowpass to highpass in the z-domain.  
 
The function returns modified z (zeros), p (poles) and k (gain).  
 
Transform a lowpass filter prototype in state space form to a lowpass filter.  
 
Frequency transformation from a lowpass to a lowpass filter in s-domain.  
 
Apply frequency band transformation from lowpass to lowpass in the z-domain.  
 
The function returns modified z (zeros), p (poles) and k (gain).  
 
Find zeros of a linear time invariant system in state-space form.  
 
Transform the zeros and poles of a filter in s-domain to z-domain.  
 
Zeroes of the original polynomial are stored in z and poles in p vector.  
 
Replace the variable of a rational polynomial with another rational polyniomial.  
 
Convert transfer function from state-space to numerator-denominator form.  
 
Convert transfer function from state-space to zero-pole form.  
 
Convert transfer function from numerator-denominator to state-space form.  
 
Convert transfer function from numerator-denominator to zero-pole form.  
 
Convert transfer function from zero-pole to second order sections form.  
 
Convert transfer function from zero-pole to state-space form.  
 
Convert transfer function from zero-pole to numerator-denominator form.  
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