figure（‘name‘‘二階系統的相關曲線‘‘numbertitle‘‘off‘）;
H=axes（‘unit‘‘normalized‘‘position‘[0?0?1?1]‘visible‘‘off‘）;
set（gcf‘currentaxes‘H）;
set（gcf‘menubar‘‘none‘）;
str=‘\fontname{隸書}二階系統的相關曲線‘;
text（0.210.93str‘fontsize‘13）;
h_fig=get（H‘parent‘）;
h_axes=axes（‘parent‘h_fig‘unit‘‘normalized‘‘position‘...
[0.10.150.550.7]‘xlim‘[015]‘ylim‘[01.8]‘fontsize‘8）;
h_text1=uicontrol（h_fig‘style‘‘text‘‘unit‘‘normalized‘‘position‘...
[0.670.800.200.04]‘horizontal‘‘left‘‘string‘{‘輸入開環增益?K=‘}）;
h_edit1=uicontrol（h_fig‘style‘‘edit‘‘unit‘‘normalized‘‘position‘...
[0.870.800.100.05]‘horizontal‘‘left‘‘callback‘...
‘K=str2num（get（gcbo‘‘string‘‘））;‘）;
h_text2=uicontrol（h_fig‘style‘‘text‘‘unit‘‘normalized‘‘position‘...
[0.670.730.200.04]‘horizontal‘‘left‘‘string‘{‘輸入阻尼比系數?zeta=‘}）;
h_edit2=uicontrol（h_fig‘style‘‘edit‘‘unit‘‘normalized‘‘position‘...
[0.870.730.100.05]‘horizontal‘‘left‘‘callback‘...
‘z=str2num（get（gcbo‘‘string‘‘））;‘）;
h_text3=uicontrol（h_fig‘style‘‘text‘‘unit‘‘normalized‘‘position‘...
[0.670.660.200.04]‘horizontal‘‘left‘‘string‘{‘輸入時間常數?T=‘}）;
h_edit3=uicontrol（h_fig‘style‘‘edit‘‘unit‘‘normalized‘‘position‘...
[0.870.660.100.05]‘horizontal‘‘left‘‘callback‘...
‘T=str2num（get（gcbo‘‘string‘‘））;‘）;
h_push1=uicontrol（h_fig‘style‘‘push‘‘unit‘‘normalized‘‘position‘...
[0.670.150.130.10]‘string‘‘grid?on‘‘callback‘‘grid?on‘）;
h_push2=uicontrol（h_fig‘style‘‘push‘‘unit‘‘normalized‘‘position‘...
[0.860.150.130.10]‘string‘‘grid?off‘‘callback‘‘grid?off‘）;
h_togglebutt