file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab实例/1.txt[2010/5/141:14:29]MATLAB实用程序百例实例1：三角函数曲线（1）functionshili01h0=figure('toolbar','none',...'position',[19856350300],...'name','实例01');h1=axes('parent',h0,...'visible','off');x=-pi:0.05:pi;y=sin(x);plot(x,y);xlabel('自变量X');ylabel('函数值Y');title('SIN()函数曲线');gridon实例2：三角函数曲线（2）functionshili02h0=figure('toolbar','none',...'position',[200150450350],...'name','实例02');x=-pi:0.05:pi;y=sin(x)+cos(x);plot(x,y,'-*r','linewidth',1);gridonxlabel('自变量X');ylabel('函数值Y');title('三角函数');file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab实例/1.txt[2010/5/141:14:29]实例3：图形的叠加functionshili03h0=figure('toolbar','none',...'position',[200150450350],...'name','实例03');x=-pi:0.05:pi;y1=sin(x);y2=cos(x);plot(x,y1,...'-*r',...x,y2,...'--og');gridonxlabel('自变量X');ylabel('函数值Y');title('三角函数');实例4：双y轴图形的绘制functionshili04h0=figure('toolbar','none',...'position',[200150450250],...'name','实例04');x=0:900;a=1000;b=0.005;y1=2*x;y2=cos(b*x);[haxes,hline1,hline2]=plotyy(x,y1,x,y2,'semilogy','plot');axes(haxes(1))ylabel('semilogplot');file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab实例/1.txt[2010/5/141:14:29]axes(haxes(2))ylabel('linearplot');实例5：单个轴窗口显示多个图形functionshili05h0=figure('toolbar','none',...'position',[200150450250],...'name','实例05');t=0:pi/10:2*pi;[x,y]=meshgrid(t);subplot(2,2,1)plot(sin(t),cos(t))axisequalsubplot(2,2,2)z=sin(x)-cos(y);plot(t,z)axis([02*pi-22])subplot(2,2,3)h=sin(x)+cos(y);plot(t,h)axis([02*pi-22])subplot(2,2,4)g=(sin(x).^2)-(cos(y).^2);plot(t,g)axis([02*pi-11])实例6：图形标注functionshili06h0=figure('toolbar','none',...file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab实例/1.txt[2010/5/141:14:29]'position',[200150450400],...'name','实例06');t=0:pi/10:2*pi;h=plot(t,sin(t));xlabel('t=0到2\pi','fontsize',16);ylabel('sin(t)','fontsize',16);title('\it{从0to2\pi的正弦曲线}','fontsize',16)x=get(h,'xdata');y=get(h...
