tt=get(editt,'string');
ta=get(edita,'string');
tb=get(editb,'string');
tc=get(editc,'string');
td=get(editd,'string');
dhT=eval(tt);dak=eval(ta);dbk=eval(tb);dck=eval(tc);ddk=eval(td);
[dfknum,dfkden]=ss2tf(dak,dbk,dck,ddk,1);
[dfbnum,dfbden]=feedback(dfknum,dfkden,1,1,-1);
dktanum=dfknum;dktaden=dfkden;
dhffnum=1;dhffden=1;
%knum=num;kden=den;
%[da1,db1,dc1,dd1,dt1]=canon(da,db,dc,dd,'model');
[dak2,dbk2,dck2,dtk2,dkk2]=ctrbf(dak,dbk,dck);
[dak3,dbk3,dck3,dtk3,dkk3]=obsvf(dak,dbk,dck);
[dzk,dpk,dkk]=ss2zp(dak,dbk,dck,ddk);
%[dmina,dminb,dminc,dmind]=minreal(da,db,dc,dd);
%[dminnum,dminden]=minreal(dbnum,dbden);

[da,db,dc,dd]=tf2ss(dfbnum,dfbden);
[da2,db2,dc2,dt2,dk2]=ctrbf(da,db,dc);
[da3,db3,dc3,dt3,dk3]=obsvf(da,db,dc);
[dz,dp,dk]=ss2zp(da,db,dc,dd);




dloop=0;
set(mmodel,'enable','on');
  set(manalysis,'enable','on');
  set(msave,'enable','on');
  set(mdesign,'enable','on');
  set(dlminfy,'enable','on');
  set(dcmchange,'enable','on');
  set(mdstable,'enable','on');
  set(mdroot,'enable','on');
  set(mdcontral,'enable','on');  
  set(minfy,'enable','off');
  set(mchange,'enable','off');
  set(mcplx,'enable','off');
  set(mtime,'enable','off');
  
  set(mstablity,'enable','off');
  set(mcontral,'enable','off');
  set(mnormal,'enable','off');
  
 set(mdesign1,'enable','off');
 set(mdesign2,'enable','off');
 set(mdesign3,'enable','off');

  
 % set(dlminfy1,'enable','off');
  set(dlmchange,'enable','off');
  set(dlminfy1,'enable','off');
  set(dsmys,'enable','off');
  set(dmyz,'enable','on');
  set(mdcplx,'enable','on');
  set(mdtime,'enable','on');
  set(dlminfy1,'enable','on');