shili49.m

matlab实例编程一百个源程序,包含了各个方面的实例编程

h0=figure('toolbar','none',...
    'position',[198 56 408 468],...
    'name','实例49');
h1=axes('parent',h0,...
    'position',[0.15 0.45 0.7 0.5],...
    'visible','on');
x=0:0.1:2*pi;
y=sin(x);
plot(x,y);
xlabel('X');
ylabel('Y');
title('坐标轴范围的改变');
h=get(gca,'xlim');
k=get(gca,'ylim');
e1=uicontrol('parent',h0,...
    'style','edit',...
    'string',eval(num2str(h(1))),...
    'horizontalalignment','right',...
    'position',[80 120 100 20]);
t1=uicontrol('parent',h0,...
    'style','text',...
    'string','X轴最小值',...
    'position',[100 145 80 20]);
e2=uicontrol('parent',h0,...
    'style','edit',...
    'string',eval(num2str(h(2))),...
    'horizontalalignment','right',...
    'position',[80 60 100 20]);
t2=uicontrol('parent',h0,...
    'style','text',...
    'string','X轴最大值',...
    'position',[100 85 80 20]);
e3=uicontrol('parent',h0,...
    'style','edit',...
    'string',eval(num2str(k(1))),...
    'horizontalalignment','right',...
    'position',[250 120 100 20]);
t3=uicontrol('parent',h0,...
    'style','text',...
    'string','Y轴最小值',...
    'position',[270 145 80 20]);
e4=uicontrol('parent',h0,...
    'style','edit',...
    'string',eval(num2str(k(2))),...
    'horizontalalignment','right',...
    'position',[250 60 100 20]);
t4=uicontrol('parent',h0,...
    'style','text',...
    'string','X轴最小值',...
    'position',[270 85 80 20]);
p1=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','设置',...
    'position',[105 10 50 30],...
    'callback',[...
        'a=str2num(get(e1,''string''));,',...
        'b=str2num(get(e2,''string''));,',...
        'c=str2num(get(e3,''string''));,',...
        'd=str2num(get(e4,''string''));,',...
        'axis([a b c d]),',...
        'drawnow']);
p2=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','关闭',...
    'position',[275 10 50 30],...
    'callback','close');