reset.m

具有图形操作界面的支持向量机多类分类实验系统.全部用Matlab实现,可以实现多种分类识别. 这是本人的毕业设计的附属程序

%case 'reset'
   % == Reset adaptation process, set up t=0 ================

   h=get(hfigure,'UserData');                     % get handlers

   % get file
   file=get(h.btload,'UserData');

   % get data set
   sets=get(h.axes1,'UserData');

   % zeroes parameters of the separation line
   h.ellipse.mi=[];
   h.ellipse.sigma=[];
   h.ellipse.t=0;
   h.ellipse.Pk=[];
   h.center=-1;
   h.ellipse.handler=-1;
   h.ellipse.solution=0;

   h.graph1.time=[];
   h.graph1.axist=0;
   h.graph1.loglik=[];

   % clear axes prob.
   clrchild(h.axes2);
   axes(h.axes2);
%%   setaxis(h.axes2,[0 1 0 1]);
   axis auto;
   h.graph1.handler=plot([0],[0],'b','Parent',h.axes2,...
      'EraseMode','background','Visible','off');
         
   % store h
   set(hfigure,'UserData',h);

   % enable Edit Line 'classes'
   set([h.xbrandom,h.edclasses,h.txclasses,h.pufeatures,h.txfeatures],'Enable','on');

   % comment
   text=sprintf('Log-likelihood, logL(t)');
   set(h.title2,'String',text);

   text=sprintf('step number t=0. ');
   set(h.txsteps,'String',text);

   % clears axes
   set(get(h.axes1,'Children'),'EraseMode','normal');
   %%%   cla;
   clrchild(h.axes1);
   drawnow;

   % set axes and plot mixture
   axes(h.axes1);
   if isempty(sets)==0,
      win=cmpwin(min(sets.X'),max(sets.X'),BORDER,BORDER);
      %%%      axis(win);
      setaxis(h.axes1,win);
%%      axes(h.axes1);

%%      ppoints(sets.X,sets.I);
      ppatterns(sets.X);
   end
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%


   % create comment
   if isempty(sets)==0,
      set(h.title1,'String',sprintf('File: %s, # of points K = %d',file.name,sum(sets.K)));
   else
      set(h.title1,'String','No data loaded');

      pos=get(h.axes1,'Position');
      fsize=min(pos(3),pos(4))/7;
      setaxis(h.axes1,[-1 1 -1 1]);
      builtin('text',0,0,'Press ''Load data'' button.',...
         'Parent',h.axes1,...
         'HorizontalAlignment','center',...
         'FontUnits','normalized',...
         'Clipping','on',...
         'FontSize',fsize);
      builtin('text',0,-fsize*2,...
         'Load sample data from ../toolboxroot/data/gmm\_samples/ ',...
         'Parent',h.axes1,...
         'HorizontalAlignment','center',...
         'FontUnits','normalized',...
         'Clipping','on',...
         'FontSize',fsize*0.65);
   end

   drawnow;