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·ç³¾ÆæÏÀ888

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A=[1 0.1;0.1 0.8];
B=[0.2 0;0.1 -0.1];
C=[-0.41 0.1;0 -0.1];
% CC=C'*C;
D=[0 0;1 0.1];
E1=[0.1 0;0.1 0.1];
E2=[0 0;-0.1 0];
% W=[1;1];
d=0;


T=0.05;
G=ss(A,B,C,d);
Gd=c2d(G,T)

Ad=[1.051  0.00523;0.00523    1.041];

Bd=[0.01027  -1.288e-05;    0.005127   -0.005101];
Gd=c2d(G,T/2)

B0=[0.005066  -3.172e-06; 0.002532   -0.002525];
B1=Bd-B0;
H=Bd*inv(B);
H2=B0*inv(B);
H1=B1*inv(B);
HD=H*D;
H1D=H1*D;
H2D=H2*D;

setlmis([])
a1=lmivar(1,[1 1]);
a2=lmivar(1,[1 1]);
a3=lmivar(1,[1 1]);
a4=lmivar(1,[1 1]);
a5=lmivar(1,[1 1]);
b=lmivar(1,[1 1]);
P=lmivar(1,[2 1]);
Q=lmivar(1,[2 1]);
R=lmivar(1,[2 1]);
K=lmivar(2,[2 2]);

lmiterm([1 1 1 a1],1,1);
lmiterm([1 1 8 K],E2,1);
lmiterm([1 1 9 K],E2,-1);
lmiterm([1 2 2 a2],1,1);
lmiterm([1 2 8 K],B,1);
lmiterm([1 2 9 K],B,-1);
lmiterm([1 3 3 a3],1,1);
lmiterm([1 3 9 K],E2,1);
lmiterm([1 4 4 a4],1,1);
lmiterm([1 4 8 K],E2,1);
lmiterm([1 5 5 a5],1,1);
lmiterm([1 5 7 P],E1,1);
lmiterm([1 6 6 a5],1,HD*HD');
lmiterm([1 6 6 a4],1,H1D*H1D');
lmiterm([1 6 6 a3],1,H2D*H2D');
lmiterm([1 6 6 a2],1,1);
lmiterm([1 6 6 a1],1,1);
lmiterm([1 6 6 P],1,-1);
lmiterm([1 6 7 P],Ad,1);
lmiterm([1 6 8 K],B1,1);
lmiterm([1 6 9 K],B0,1);

lmiterm([1 7 7 Q],1,1);
lmiterm([1 7 7 R],1,1);
lmiterm([1 7 7 P],1,-1);

lmiterm([1 8 8 R],1,-1);
lmiterm([1 9 9 Q],1,-1);

lmiterm([2 1 1 K],1,-1);


lmis=getlmis;

[tmin,xfeas]=feasp(lmis);
PP=dec2mat(lmis,xfeas,P)
QQ=dec2mat(lmis,xfeas,Q)
RR=dec2mat(lmis,xfeas,R)
KK=dec2mat(lmis,xfeas,K)
a11=dec2mat(lmis,xfeas,a1)
a22=dec2mat(lmis,xfeas,a2)
a33=dec2mat(lmis,xfeas,a3)
a44=dec2mat(lmis,xfeas,a4)
a55=dec2mat(lmis,xfeas,a5)
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4Â¥: Originally posted by ·ç³¾ÆæÏÀ888 at 2014-12-08 15:34:27
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·ç³¾ÆæÏÀ888

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2Â¥2014-12-03 16:35:54
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wyq276628

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°´ÕÕÄãµÄÔËËã½á¹û²»ÊÇÁã°¡£¬KK =

    0.4835    0.0434
    0.0507    0.7595£¬
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3Â¥2014-12-04 06:33:05
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·ç³¾ÆæÏÀ888

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ÒýÓûØÌû:
3Â¥: Originally posted by wyq276628 at 2014-12-04 06:33:05
°´ÕÕÄãµÄÔËËã½á¹û²»ÊÇÁã°¡£¬KK =

    0.4835    0.0434
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