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[npdat,nyp]=size(yp); [mpdat,nup]=size(up); [rpdat,nrp]=size(rf); if npdat~=mpdat error('Y and U have different length.') end i=10; % block Hankel matrix N=npdat-i+1; Yp = zeros(N*nyp,i); Up = zeros(N*nup,i); sN=sqrt(N); syp=yp';%/sN; sup=up';%/sN; for s=1:i for h=1:N Yp((h-1)*nyp+1:h*nyp,s)=syp(:,s+h-1); Up((h-1)*nup+1:h*nup,s)=sup(:,s+h-1); end end [nfdat,nyf]=size(yf); [mfdat,nuf]=size(uf); [rfdat,nrf]=size(rf); if nfdat~=mfdat error('Y and U have different length.') end [ndat,ny]=size(y'); [mdat,nu]=size(u'); % block Hankel matrix N=nfdat-i+1; Yf = zeros(N*nyf,i); Uf = zeros(N*nuf,i); Rf = zeros(N*nrf,i); sN=sqrt(N); syf=yf';%/sN; suf=uf';%/sN; srf=rf';%/sN; for s=1:i for h=1:N Yf((h-1)*nyf+1:h*nyf,s)=syf(:,s+h-1); Uf((h-1)*nuf+1:h*nuf,s)=suf(:,s+h-1); Rf((h-1)*nrf+1:h*nrf,s)=srf(:,s+h-1); end end %QR %Z= wf/wpr %Z=wf*wpr'*inv(wpr*wpr')*wpr; %Z= wf/wp Z=wf*wp'*inv(wp*wp')*wp; [U,S,V]=svd(Z); SS=diag(S); %figure(2) % bar(SS); [mU,nU]=size(U); U2=U(:,nU-q*N+n+1:nU); Py=U2(1:q*i, ;Pu=U2(q*i+1:end, ;orderZ=rank(Z); orderU=rank(U); %Gam=null(Py); % gam equal Py orthogonal complement %[pm,pn]=size(Py); %[Q,R]=qr(Py); %gam=Q(:,pn+1:pm); % gam equal Py orthogonal complement gam = orthcomp(Py); C=gam(1:ny, ;A=gam(1:ny*(i-1), \gam(ny+1:i*ny, ; ÎÒдÁËÒ»ÏÂmatlab µÄ³ÌÐò£¬ÎªÉ¶ÔËÐеIJ»¶ÔÄØ¡£ gam ΪÀ©Õ¹ÄܹÛÐÔ¾ØÕó£¬ Õâ¸ögamÓ¦¸ÃÔõôÇó£¿ Íû¶®µÃÀÏʦÃǽ²½âÒÔÏ¡£Ð»Ð»¸÷λÁË |
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a7063888
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