6楼: Originally posted by baobiao007 at 2014-12-16 13:15:33
haha   一般有重赏我就出现了...

function test
clc;
maxa = 1;  mina = 0.1;
maxb = 30; minb = 1;
e = 2.718;
t = 0:0.01:5;
ca = 1; cb = 30;

N = e.^(-ca*t).*sin(cb*t);

fh = figure('Visible','off','Position',[360 500 650 585],'Resize','off');
htexta = uicontrol('Style','text','String','调整a值：','Position',[50 560 50 20]);
htextb = uicontrol('Style','text','String','调整b值：','Position',[400 560 50 20]);
hsa = uicontrol('Style','slider','Position',[110 560 150 20],'Max',maxa,'Min',mina,'Value',ca);
hsb = uicontrol('Style','slider','Position',[460 560 150 20],'Max',maxb,'Min',minb,'Value',cb);
set(hsa,'SliderStep',[0.05 0.2],'Callback',{@getslidera_callback});
set(hsb,'SliderStep',[0.05 0.2],'Callback',{@getsliderb_callback});

axh = axes('Position',[0.1 0.1 0.8 0.8],'Box','on');
plot(axh,t,N);

movegui(fh,'center');set(fh,'Visible','on');


function getslidera_callback(hObject,~)
    ca = get(hObject,'Value');
    N = e.^(-ca*t).*sin(cb*t);
    plot(axh,t,N);
end

function getsliderb_callback(hObject,~)
    cb = get(hObject,'Value');
    N = e.^(-ca*t).*sin(cb*t);
    plot(axh,t,N);
end

end