www.gusucode.com > 支持向量机的Matlab实现，支持多分类，据有GUI操作界面 > code11/MATLAB_svm_gui/data/loadsets2.m

    function data = loadsets(varargin)

    
   data = get( gcf,'UserData' );

   % Clear axes
   clrchild( data.axes1);
   
   % set x and y axes labels
   xlabel(' x轴');
   ylabel(' y轴');

   % Get file name with sets
   file=get( data.pushbutton1,'UserData');

   % Load sets
   trn = load(file.pathname );
   trn.I=trn.y;
   trn.N= 2;
   trn.K = [length( find(trn.y==1)),length(find(trn.y==2))];

   % store loaded sets
   set( data.axes1,'UserData', trn);

   % focus on axes
   axes( data.axes1 );

   % plots points
   ppatterns( trn );

   drawnow;
   
   
  function []=clrchild(handle)
% function []=clraxis(handle)
%
% CLRCHILD clears children of an object with the given handle.

delete(get(handle,'Children'));

return;