4-4-2.m

周克敏 鲁棒控制基础（essential of robust control） 书后部分习题

A=[1 0; 2 3];
B=[1;1];
C=[1 2];
D=[0];
G=pck(A,B,C,D)
[Gs,Gu]=sdecomp(G);
Gs 
Gu 
h2s=h2norm(Gs)
h2u=h2norm(cjt(Gu))
hi=hinfnorm(G,0.0001)
hi=linfnorm(G,0.0001)