matlab3.rar_函数曲线图

实例52：可设置函数曲线图视角的用户界面 h0=figure('toolbar','none',... 'position',[198 56 408 468],... 'name','实例52'); h1=axes('parent',h0,... 'position',[0.15 0.5 0.7 0.5],... 'visible','off'); [x,y]=meshgrid(-8:0.5:8); r=sqrt(x.^2+y.^2)+eps; z=sin(r)./r; fh=surf(x,y,z); shading interp view([-60 30]) fv=get(h1,'view'); fv2=fv; camlight left sh1=uicontrol('parent',h0,... 'style','slider',... 'max',1,... 'min',-1,... 'value',fv(1)/180,... 'position',[20 150 200 20],... 'callback',[... 'fv(1)=90*get(sh1,''value'');,',... 'set(h1,''view'',[fv(1) fv(2)]),',... 'set(ed1,''string'',fv(1))']); text1=uicontrol('parent',h0,... 'style','text',... 'string','方位角的变化滑标',... 'position',[20 170 200 20]); sh2=uicontrol('parent',h0,... 'style','slider',... 'max',1,... 'min',-1,... 'value',fv(2)/180,... 'position',[20 90 200 20],... 'callback',[... 'fv(2)=90*get(sh2,''value'');,',... 'set(h1,''view'',[fv(1) fv(2)]),',... 'set(ed2,''string'',fv(2))']); text2=uicontrol('parent',h0,... 'style','text',... 'string','仰角的变化滑标',... 'position',[20 110 200 20]); ed1=uicontrol('parent',h0,... 'style','edit',... 'string',fv(1),... 'position',[30 30 50 20]); text3=uicontrol('parent',h0,... 'style','text',... 'string','方位角的数值',... 'position',[20 50 80 20]); ed2=uicontrol('parent',h0,... 'style','edit',... 'string',fv(2),... 'position',[150 30 50 20]); text4=uicontrol('parent',h0,... 'style','text',... 'string','仰角的数值',... 'position',[135 50 80 20]); pf1=uicontrol('parent',h0,... 'style','pushbutton',... 'string','重置',... 'position',[280 120 50 30],... 'callback',[... 'set(h1,''view'',fv2),',... 'set(sh1,''value'',fv2(1)/180),',... 'set(sh2,''value'',fv2(2)/180),',... 'set(ed1,''string'',fv2(1)),',... 'set(ed2,''string'',fv2(2))']); pf2=uicontrol('parent',h0,... 'style','pushbutton',... 'string','关闭',... 'position',[280 60 50 30],... 'callback','close'); 实例53：可设置函数曲线光源的用户界面 h0=figure('toolbar','none',... 'position',[198 56 408 468],... 'name','实例53'); h1=axes('parent',h0,... 'position',[0.15 0.5 0.7 0.5],... 'visible','off'); [x,y]=meshgrid(-8:0.5:8); r=sqrt(x.^2+y.^2)+eps; z=sin(r)./r; fh=surf(x,y,z); shading interp view([-60 30]) camlight left lightk=light('position',[0 -2 1]); button1=uicontrol('parent',h0,... 'style','pushbutton',... 'string','设置光线',... 'position',[80 60 70 30],... 'callback',[... 'an1=inputdlg(''光线来源的X轴坐标'');,',... 'k1=str2num(an1{1});,',... 'an2=inputdlg(''光线来源的Y轴坐标'');,',... 'k2=str2num(an2{1});,',... 'an3=inputdlg(''光线来源的Z轴坐标'');,',... 'k3=str2num(an3{1});,',... 'set(lightk,''position'',[k1 k2 k3]);,',... 'set(edit1,''string'',[''['',num2str(k1),'' '',num2str(k2),'' '',num2str(k3),'']'']);']); button2=uicontrol('parent',h0,... 'style','pushbutton',... 'string','关闭',... 'position',[250 60 70 30],... 'callback','close'); edit1=uicontrol('parent',h0,... 'style','edit',... 'max',2,... 'min',0,... 'fontsize',15,... 'backgroundcolor',[1 1 1],... 'string','[0 -2 1]',... 'position',[80 110 220 30]); text1=uicontrol('parent',h0,... 'style','text',... 'backgroundcolor',[0.75 0.75 0.75],... 'fontsize',15,... 'string','光线来源坐标',... 'position',[80 140 220 30]); 实例54：添加效果 h0=figure('toolbar','none',... 'position',[200 50 300 350],... 'name','实例54'); h1=axes('parent',h0,... 'position',[0.2 0.4 0.6 0.6],... 'visible','off'); ezsurf('sin(sqrt(x.^2+y.^2))/sqrt(x.^2+y.^2)',[-6*pi,6*pi]) b1=uicontrol('parent',h0,... 'units','points',... 'tag','b1',... 'style','pushbutton',... 'string','设置',... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[40 50 50 20],... 'callback',[... 'view(0,75);,',... 'shading interp;,',... 'lightangle(-45,30);,',... 'k=findobj(gca,''type'',''surface'');,'... 'set(k,''facelighting'',''phong'');,',... 'set(k,''ambientstrength'',0.3);,',... 'set(k,''diffusestrength'',0.8);,',... 'set(k,''specularstrength'',0.9);,',... 'set(k,''specularexponent'',25);,',... 'set(k,''backfacelighting'',''unlit'')']); b2=uicontrol('parent',h0,... 'units','points',... 'tag','b2',... 'style','pushbutton',... 'string','关闭',... 'backgroundcolor',[0.75 0.75 0.75],... 'position',[120 50 50 20],... 'callback','close'); 实例55：查询日期 h0=figure('toolbar','none',... 'position',[198 56 408 468],... 'name','实例55'); h1=axes('parent',h0,... 'position',[0.15 0.5 0.7 0.5],... 'visible','off'); huidiao=[... 'yearnum=str2num(get(edit1,''string''));,',... 'monthnum=str2num(get(edit2,''string''));,',... 'daynum=str2num(get(edit3,''string''));,',... 'monthday=[0 31 28 31 30 31 30 31 31 30 31 30 31];,',... 'dyear=yearnum-2000;,',... 'beishu=fix(dyear/4);,',... 'yushu=rem(yearnum,4);,',... 'if yushu==0,',... 'monthday(3)=29;,',... 'end,',... 'mday=0;,',... 'for i=1:monthnum,',... 'mday=monthday(i)+mday;,',... 'end,',... 'yearday=mday+daynum-1;,',... 'noweek=fix(yearday/7);,',... 'set(edit5,''string'',[''第'',num2str(noweek),''周'']);,',... 'if dyear>0,',... 'if yushu==0,',... 'beishu=beishu-1;,',... 'end,',... 'dday=yearday+365*dyear+beishu+1;,',... 'end,',... 'if dyear<=0,',... 'dday=365*dyear+yearday+beishu;,',... 'end,',... 'mweek=rem(dday,7)+7;,',... 'if mweek==8,',... 'set(edit4,''string'',''Sunday'');,',... 'end,',... 'if mweek==9,',... 'set(edit4,''string'',''Monday'');,',... 'end,',... 'if mweek==10,',... 'set(edit4,''string'',''Tuesday'');,',... 'end,',... 'if mweek==11,',... 'set(edit4,''string'',''Wednesday'');,',... 'end,',... 'if mweek==12,',... 'set(edit4,''string'',''Thursday'');,',... 'end,',... 'if mweek==13,',... 'set(edit4,''string'',''Friday'');,',... 'end,',... 'if mweek==7,',... 'set(edit4,''string'',''Saturday'');,',... 'end,',... 'if mweek==6,',... 'set(edit4,''string'',''Friday'');,',... 'end,',... 'if mweek==5,',... 'set(edit4,''string'',''Thursday'');,',... 'end,',... 'if mweek==4,',... 'set(edit4,''string'',''Wednesday'');,',... 'end,',... 'if mweek==3,',... 'set(edit4,''string'',''Tuesday'');,',... 'end,',... 'if mweek==2,',... 'set(edit4,''string'',''Monday'');,',... 'end,',... 'if mweek==1,',... 'set(edit4,''string'',''Sunday'');,',... 'end']; edit1=uicontrol('parent',h0,... 'style','edit',... 'horizontalalignment','right',... 'position',[40 300 50 20]); text1=uicontrol('parent',h0,... 'style','text',... 'string','年',... 'horizontalalignment','left',... 'position',[90 300 50 20]); edit2=uicontrol('parent',h0,... 'style','edit',... 'horizontalalignment','right',... 'position',[160 300 50 20]); text2=uicontrol('parent',h0,... 'style','text',... 'string','月',... 'horizontalalignment','left',... 'position',[210 300 50 20]); edit3=uicontrol('parent',h0,... 'styl