init

FOTF Toolbox/@foss/plus.m

@@ -0,0 +1,22 @@
+function G=plus(G1,G2)
+% plus - evaluate the sum of two FOSS objects, parallel connection
+%
+%   G=G1+G2
+% 
+%   G1, G2 - the two FOSS objects in parallel connection
+%   G - the sum of G1 and G2
+
+% Copyright (c) Dingyu Xue, Northeastern University, China
+% Last modified 28 March, 2017 
+% Last modified 18 May, 2022 
+   G1=foss(G1); G2=foss(G2); 
+   if length(G1.alpha)>1 || length(G2.alpha)>1, a=0.0001;
+   else, a=common_order(G1.alpha,G2.alpha); end
+   if a==0, G=foss([],[],[],G1.d+G2.d,0);
+   elseif a<0.001, G1=fotf(G1); G2=fotf(G2); G=foss(G1+G2);
+   else
+      G1=coss_aug(G1,round(G1.alpha/a));
+      G2=coss_aug(G2,round(G2.alpha/a));
+      G=foss(ss_extract(G1)+ss_extract(G2)); G.alpha=a;
+   end
+end