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- function [G,PV] = trfss(th,nnu,nny,w)
- %TRFSS Auxiliary routine to TRF
- %
- % [G,PV] = trfss(th,nnu,nny,w)
- %
-
- % L. Ljung 10-2-90
- % Copyright (c) 1990 by the MathWorks, Inc.
- % All Rights Reserved.
-
- [a,b,c,d,k]=eta2ss(th); [nx,nu]=size(b);[ny,nx]=size(c);
- if any(nnu>nu),error('There are not that many inputs in the model!'),end
- if any(nny>ny),error('There are not that many outputs in the model!'),end
- T=gett(th);
- if isempty(nnu),nnu=1:nu;end
- if isempty(nny),nny=1:ny;end
- lny=length(nny);
- if length(nnu)>0
- G=[];G1=zeros(1+length(w),3*lny);
- for ku=nnu
- if ku>0, [g,p]=trfsaux(a,b,c(nny,:),d(nny,:),ku,w,T);
- G1(1,1:3:3*lny)=1000*(nny-1)+100+ku;
- G1(1,2:3:3*lny)=1000*(nny-1)+ku;
- G1(1,3:3:3*lny)=1000*(nny-1)+20+ku;
- G1(2:length(w)+1,[1:3:3*lny 2:3:3*lny 3:3:3*lny])=[w'*ones(1,length(nny)) g p];
- G=[G G1];
- end ,end,end
- if nargout>1 | nu==0
- PV=[]; [par,PM,lam]=th2par(th);
- for ky=nny
- g=trfsaux(a,k,c(ky,:),ones(1,ny),ky,w,T);
- PV1(1,1:2)=[(ky-1)*1000+100,(ky-1)*1000];
- PV1(2:length(w)+1,[1:2])=[w' abs(T)*(abs(g).^2)*lam(ky,ky)];
- PV=[PV PV1];
- end
- end
- if nu==0 G=PV;
- end