【奠基经典】MATLAB实用程序案例之绘制不同函数曲线的用户界面

青年梦想家

绘制不同函数曲线的用户界面
实例：

h0=figure('toolbar','none',...

'position',[198 56 408 468],...

'name','实例50');

h1=axes('parent',h0,...

'position',[0.29 0.45 0.7 0.5],...

'visible','on');

f=uicontrol('parent',h0,...

'style','frame',...

'position',[5 50 90 400]);

p1=uicontrol('parent',h0,...

'style','pushbutton',...

'position',[150 100 60 40],...

'string','绘图',...

'callback',[...

'm=str2num(get(e1,''string''));,',...

'n=str2num(get(e2,''string''));,',...

'a=get(l1,''value'');,',...

'x=m:0.1:n;',...

'if a==1,',...

'plot(x,sin(x)),',...

'end,',...

'if a==2,',...

'plot(x,cos(x)),',...

'end,',...

'if a==3,',...

'plot(x,exp(x)),',...

'end']);

p2=uicontrol('parent',h0,...

'style','pushbutton',...

'position',[270 100 60 40],...

'string','关闭',...

'callback','close');

l1=uicontrol('parent',h0,...

'style','listbox',...

'position',[10 300 80 80],...

'string','sin(x)|cos(x)|exp(x)',...

'value',1,...

'max',0.5,...

'min',0);

f2=uicontrol('parent',h0,...

'style','text',...

'string','选择函数',...

'fontsize',10,...

'position',[10 380 80 20]);

r1=uicontrol('style','radio',...

'string','grid on',...

'value',0,...

'position',[10 100 60 20],...

'callback',[...

'grid on,',...

'set(r1,''value'',1);,',...

'set(r2,''value'',0)']);

r2=uicontrol('style','radio',...

'string','grid off',...

'position',[10 80 60 20],...

'value',1,...

'callback',[...

'grid off,',...

'set(r2,''value'',1);,',...

'set(r1,''value'',0)']);

e1=uicontrol('parent',h0,...

'style','edit',...

'string',0,...

'position',[20 210 60 20],...

'horizontalalignment','right');

e2=uicontrol('parent',h0,...

'style','edit',...

'string','3',...

'position',[20 150 60 20],...

'horizontalalignment','right');

t1=uicontrol('parent',h0,...

'style','text',...

'string','X from',...

'fontsize',10,...

'position',[20 230 60 20],...

'horizontalalignment','center');

t2=uicontrol('parent',h0,...

'style','text',...

'string','To',...

'fontsize',10,...

'position',[20 170 60 20],...

'horizontalalignment','center');

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