视频

拓展学习

%“绘图”按钮的Callback函数

function pushbutton1_Callback(hObject, eventdata, handles)

A=eval(handles.editfz.String);

f=eval(handles.editpl.String)/50;

theta=eval(handles.editxj.String)/180*pi;

x=linspace(0,2*pi,60);

if handles.OpSin.Value==1

    y=A*sin(f*x+theta);

else

    y=A*cos(f*x+theta);

end

plot(x,y);

handles.PStyle.Enable='On';

%“实线”菜单项的回调函数

function Solid_Callback(hObject, eventdata, handles)

hline=findobj('Type','line');

hline.LineStyle='-';

handles.Solid.Checked='On';

handles.Dotted.Checked='Off';

handles.Dashed.Checked='Off';

%“红”菜单项的回调函数

function r_Callback(hObject, eventdata, handles)

hline=findobj('Type','line');

hline.Color='r';

handles.r.Checked='On';

handles.g.Checked='Off';

handles.b.Checked='Off';