demo_linclass.html

很好的matlab模式识别工具箱

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btstop'</span>,hbtstop,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btclose'</span>,hbtclose,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btplay'</span>,hbtplay,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btreset'</span>,hbtreset,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btinfo'</span>,hbtinfo,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btload'</span>,hbtload,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'btcreat'</span>,hbtcreat,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'pualgo'</span>,hpualgo,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'console'</span>,hconsole,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'editer'</span>,hediter,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'edeps'</span>,hedeps,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'txeps'</span>,htxeps,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'axes1'</span>,haxes1,...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'xbanim'</span>,hxbanim);<br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(hfigure,<span class=quotes>'UserData'</span>,handlers)<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Reset</span><br>
&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'reset'</span>,hfigure);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Put&nbsp;figure&nbsp;on&nbsp;desktop</span><br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(hfigure,<span class=quotes>'Visible'</span>,<span class=quotes>'on'</span>);<br>
&nbsp;&nbsp;&nbsp;drawnow;<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'iterhandler'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Handler&nbsp;for&nbsp;edit&nbsp;line&nbsp;Iterations&nbsp;===============</span><br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;iter=round(str2num(<span class=graph>get</span>(h.editer,<span class=quotes>'String'</span>)));<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;isempty(iter)&nbsp;|&nbsp;iter&nbsp;&lt;&nbsp;1,&nbsp;iter=1;&nbsp;<span class=keyword>end</span><br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.editer,<span class=quotes>'String'</span>,num2str(iter));<br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'epshandler'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Handler&nbsp;for&nbsp;edit&nbsp;line&nbsp;Epsilon&nbsp;=======================</span><br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;if&nbsp;algorithm&nbsp;e-Kozinec&nbsp;is&nbsp;selected&nbsp;then&nbsp;...</span><br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;<span class=graph>get</span>(h.pualgo,<span class=quotes>'Value'</span>)==3,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.edeps,<span class=quotes>'Enable'</span>,<span class=quotes>'on'</span>);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.txeps,<span class=quotes>'Enable'</span>,<span class=quotes>'on'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;epsil=str2num(<span class=graph>get</span>(h.edeps,<span class=quotes>'String'</span>));<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;epsil&nbsp;&lt;&nbsp;0,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;epsil=1;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.edeps,<span class=quotes>'String'</span>,num2str(epsil));<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
&nbsp;&nbsp;&nbsp;<span class=keyword>else</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.edeps,<span class=quotes>'Enable'</span>,<span class=quotes>'off'</span>);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.txeps,<span class=quotes>'Enable'</span>,<span class=quotes>'off'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'creatdata'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Invoke&nbsp;data&nbsp;set&nbsp;creator&nbsp;================================</span><br>
&nbsp;&nbsp;&nbsp;createdata(<span class=quotes>'finite'</span>,2,<span class=quotes>'demo_linclass'</span>,<span class=quotes>'created'</span>,hfigure);<br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'created'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Load&nbsp;new&nbsp;created&nbsp;data&nbsp;set&nbsp;=============================</span><br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;get&nbsp;handler&nbsp;and&nbsp;make&nbsp;this&nbsp;figure&nbsp;active</span><br>
&nbsp;&nbsp;&nbsp;<span class=graph>figure</span>(hfigure);<br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;get&nbsp;file&nbsp;name</span><br>
&nbsp;&nbsp;&nbsp;path=<span class=stack>varargin</span>{1};<br>
&nbsp;&nbsp;&nbsp;name=<span class=stack>varargin</span>{2};<br>
&nbsp;&nbsp;&nbsp;pathname=strcat(path,name);<br>
<br>
<span class=comment>%&nbsp;&nbsp;&nbsp;if&nbsp;checkdat(pathname,DATA_IDENT,2,[0&nbsp;0])==1,</span><br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;check2ddata(pathname),<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.pathname=pathname;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.path=path;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.name=name;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.btload,<span class=quotes>'UserData'</span>,file);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'loadsets'</span>,hfigure);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'reset'</span>,hfigure);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>else</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;errordlg(<span class=quotes>'This&nbsp;file&nbsp;does&nbsp;not&nbsp;contain&nbsp;required&nbsp;data.'</span>,<span class=quotes>'Bad&nbsp;file'</span>,<span class=quotes>'modal'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'getfile'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Invoke&nbsp;standard&nbsp;open&nbsp;file&nbsp;dialog&nbsp;===================</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Opens&nbsp;file&nbsp;and&nbsp;checks&nbsp;if&nbsp;contains&nbsp;appropriate&nbsp;data,&nbsp;</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;if&nbsp;yes&nbsp;loads&nbsp;data.</span><br>
<br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;[name,path]=uigetfile(<span class=quotes>'*.mat'</span>,<span class=quotes>'Open&nbsp;file'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;name~=0,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.pathname=strcat(path,name);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.path=path;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file.name=name;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;check2ddata(file.pathname),<br>
<span class=comment>%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;checkdat(file.pathname,DATA_IDENT,2,[0&nbsp;0])==1,</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.btload,<span class=quotes>'UserData'</span>,file);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'loadsets'</span>,hfigure);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'reset'</span>,hfigure);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=keyword>else</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;errordlg(<span class=quotes>'This&nbsp;file&nbsp;does&nbsp;not&nbsp;contain&nbsp;required&nbsp;data.'</span>,<span class=quotes>'Bad&nbsp;file'</span>,<span class=quotes>'modal'</span>);<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'redraw'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Redraw&nbsp;points&nbsp;in&nbsp;axes&nbsp;==================================</span><br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;uicontrol&nbsp;handlers</span><br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;get&nbsp;point&nbsp;sets</span><br>
&nbsp;&nbsp;&nbsp;sets=<span class=graph>get</span>(h.axes1,<span class=quotes>'UserData'</span>);<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>if</span>&nbsp;isempty(sets)==1,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=jump>return</span>;<br>
&nbsp;&nbsp;&nbsp;<span class=keyword>end</span><br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;clears&nbsp;axes</span><br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(<span class=graph>get</span>(h.axes1,<span class=quotes>'Children'</span>),<span class=quotes>'EraseMode'</span>,<span class=quotes>'normal'</span>);<br>
&nbsp;&nbsp;&nbsp;clrchild(h.axes1);<br>
<br>
&nbsp;&nbsp;&nbsp;h.<span class=graph>line</span>.handler=<span class=graph>line</span>(<span class=quotes>'EraseMode'</span>,<span class=quotes>'xor'</span>,<span class=quotes>'Color'</span>,<span class=quotes>'k'</span>,<span class=quotes>'Visible'</span>,<span class=quotes>'off'</span>,<span class=quotes>'Parent'</span>,h.axes1);<br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(hfigure,<span class=quotes>'UserData'</span>,h);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;uicontrol&nbsp;handlers</span><br>
<br>
<span class=comment>%%%&nbsp;&nbsp;&nbsp;pplot(sets.X,sets.I);</span><br>
<span class=comment>%%&nbsp;&nbsp;&nbsp;ppoints(sets.X,sets.I);</span><br>
&nbsp;&nbsp;&nbsp;ppatterns(sets);<br>
&nbsp;&nbsp;&nbsp;demo_linclass(<span class=quotes>'drawline'</span>,hfigure,h.<span class=graph>line</span>.theta,h.<span class=graph>line</span>.alpha);<br>
<br>
&nbsp;&nbsp;&nbsp;drawnow;<br>
<br>
<br>
<span class=label>case</span>&nbsp;<span class=quotes>'loadsets'</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;==&nbsp;Load&nbsp;data&nbsp;sets&nbsp;========================================</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Get&nbsp;file&nbsp;name&nbsp;from&nbsp;the&nbsp;pop&nbsp;up&nbsp;menu&nbsp;according&nbsp;to&nbsp;menu&nbsp;pointer.&nbsp;</span><br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Than&nbsp;clear&nbsp;axes,load&nbsp;new&nbsp;file&nbsp;and&nbsp;appear&nbsp;the&nbsp;points&nbsp;from&nbsp;the&nbsp;file.</span><br>
<br>
&nbsp;&nbsp;&nbsp;h=<span class=graph>get</span>(hfigure,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Clear&nbsp;axes</span><br>
&nbsp;&nbsp;&nbsp;clrchild(h.axes1);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(h.axes1,&nbsp;...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'Box'</span>,<span class=quotes>'on'</span>,&nbsp;...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class=quotes>'DrawMode'</span>,<span class=quotes>'fast'</span>&nbsp;);<br>
&nbsp;&nbsp;&nbsp;xlabel(<span class=quotes>'feature&nbsp;x_1'</span>);<br>
&nbsp;&nbsp;&nbsp;ylabel(<span class=quotes>'feature&nbsp;x_2'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;No&nbsp;line</span><br>
&nbsp;&nbsp;&nbsp;h.<span class=graph>line</span>.handler=-1;<br>
&nbsp;&nbsp;&nbsp;<span class=graph>set</span>(hfigure,<span class=quotes>'UserData'</span>,h);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Get&nbsp;file&nbsp;name&nbsp;with&nbsp;sets</span><br>
&nbsp;&nbsp;&nbsp;file=<span class=graph>get</span>(h.btload,<span class=quotes>'UserData'</span>);<br>
<br>
&nbsp;&nbsp;&nbsp;<span class=comment>%&nbsp;Load&nbsp;sets</span><br>
&nbsp;&nbsp;&nbsp;sets=load(file.pathname);<br>