init

FOTF Toolbox/@foss/foss.m

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+% foss - class constructor for an FOSS class
+
+% Copyright (c) Dingyu Xue, Northeastern University, China
+% Last modified 28 March, 2017 
+% Last modified 18 May, 2022 
+classdef foss
+   properties, a, b, c, d, alpha, ioDelay, E, x0, end
+   methods
+     function G=foss(a,b,c,d,alpha,L,E,x0)
+        if nargin<=7, x0=[]; end
+        if nargin<=6, E=[]; end, if nargin<=5, L=0; end
+        if nargin==1 && isa(a,'foss'), G=a;
+        elseif nargin==1 && isa(a,'fotf'), G=fotf2foss(a);
+        elseif nargin==1 && isa(a,'double'), G=foss([],[],[],a,0);
+        elseif (nargin==1||nargin==2) && (isa(a,'tf')||isa(a,'ss'))
+           alpha=1; if nargin==2, alpha=b; end 
+           a=ss(a); L=a.ioDelay; [a,b,c,d,E]=dssdata(a); 
+           G=foss(a,b,c,d,alpha,L,E);
+        elseif nargin>=5, msg=abcdchk(a,b,c,d);
+           if length(msg)>0, error(msg)
+           else, G.alpha=alpha; G.x0=x0;
+              G.a=a; G.b=b; G.c=c; G.d=d; G.E=E; G.ioDelay=L;
+           end
+        else, error('wrong input arguments'); end
+end, end, end