www.gusucode.com > matlab用户界面的卡尔曼滤波程序 > Kalman filter_GUI\m_files\help1_callback.m
function help_callback DI=dialog('unit','normalized','position',[.34 .2 .35 .6],'name','Help'); AI=axes('parent',DI,'visible','off'); t={ '\fontname{Times New Romman}\fontsize{9}Supposing the state and observation',... ''... 'eq. of a discrete system to be:',... ''... ' X_k_+_1=\Phi_k_+_1_,_k+\Gamma_k_+_1_,_kw_k',... ' Z_k=H_kX_k+v_k',... '',... 'and the order of X_k to be n, w_k to be p,',... '',... 'v_k to be m, then \Phi_k_+_1_,_k is n\timesn, \Gamma_k_+_1_,_k is ',... '',... 'n\timesp, H_k is m\timesn, Q_k is p\timesp, R_k is m\timesm,',... '',... 'P_0_,_0 is n\timesn, and X_0_,_0 is n\times1.'}; text(0,.6,t,'parent',AI); uicontrol(gcf,'unit','normalized','string','Next=>','position',[.75 .07 .22 .07],'callback','next1_callback','userdata',1); uiwait(DI);%suspend the other programmes.