Matlab实用程序--图形界面应用5

h0=figure('toolbar','none',...
    'position',[198 56 408 468],...
    'name','my second gui');
h1=axes('parent',h0,...
    'position',[0.15 0.45 0.7 0.5],...
    'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x),'*');
xlabel('自变量X');
ylabel('函数值Y');
title('标记类型的改变');
p1=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','+',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[60 100 50 20],...
    'callback','set(k,''marker'',''+'')');
p2=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','o',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[170 100 50 20],...
    'callback','set(k,''marker'',''o'')');
p3=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','x',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[280 100 50 20],...
    'callback','set(k,''marker'',''x'')');
p4=uicontrol('parent',h0,...
    'style','pushbutton',...
    'backgroundcolor',[1 1 1],...
    'fontsize',20,...
    'fontweight','demi',...
    'string','关闭',...
    'position',[150 30 80 60],...
    'callback','close');
t1=uicontrol('parent',h0,...
    'style','text',...
    'string','星号',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
    'style','text',...
    'string','圆圈',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
    'style','text',...
    'string','叉号',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[280 120 50 20]);

h0=figure('toolbar','none',...
    'position',[198 56 408 468],...
    'name','实例48');
h1=axes('parent',h0,...
    'position',[0.15 0.45 0.7 0.5],...
    'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x));
xlabel('自变量X');
ylabel('函数值Y');
title('线型的改变');
p1=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','-.',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[60 100 50 20],...
    'callback','set(k,''linestyle'',''-.'')');
p2=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string',':',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[170 100 50 20],...
    'callback','set(k,''linestyle'','':'')');
p3=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','-',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[280 100 50 20],...
    'callback','set(k,''linestyle'',''-'')');
p4=uicontrol('parent',h0,...
    'style','pushbutton',...
    'backgroundcolor',[1 1 1],...
    'fontsize',20,...
    'fontweight','demi',...
    'string','关闭',...
    'position',[150 30 80 60],...
    'callback','close');
t1=uicontrol('parent',h0,...
    'style','text',...
    'string','点划线',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
    'style','text',...
    'string','虚线',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
    'style','text',...
    'string','实线',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[280 120 50 20]);

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');

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');