Matlab程序百例.docVIP

1-32是:图形应用篇 33-66是:界面设计篇 67-84是:图形处理篇 85-100是:数值分析篇 ? 实例1:三角函数曲线(1) function shili01h0=figure(toolbar,none,...??? position,[198 56 350 300],...??? 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);grid on 实例2:三角函数曲线(2) function shili02h0=figure(toolbar,none,...??? position,[200 150 450 350],...??? name,实例02);x=-pi:0.05:pi;y=sin(x)+cos(x);plot(x,y,-*r,linewidth,1);grid onxlabel(自变量X);ylabel(函数值Y);title(三角函数); 实例3:图形的叠加 function shili03h0=figure(toolbar,none,...??? position,[200 150 450 350],...??? name,实例03);x=-pi:0.05:pi;y1=sin(x);y2=cos(x);plot(x,y1,...??? -*r,...??? x,y2,...??? --og);grid onxlabel(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 function shili04h0=figure(toolbar,none,...??? position,[200 150 450 250],...??? 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(semilog plot);axes(haxes(2))ylabel(linear plot); 实例5:单个轴窗口显示多个图形 function shili05h0=figure(toolbar,none,...??? position,[200 150 450 250],...??? name,实例05);t=0:pi/10:2*pi;[x,y]=meshgrid(t);subplot(2,2,1)plot(sin(t),cos(t))axis equal subplot(2,2,2)z=sin(x)-cos(y);plot(t,z)axis([0 2*pi -2 2]) subplot(2,2,3)h=sin(x)+cos(y);plot(t,h)axis([0 2*pi -2 2]) subplot(2,2,4)g=(sin(x).^2)-(cos(y).^2);plot(t,g)axis([0 2*pi -1 1]) 实例6:图形标注 function shili06h0=figure(toolbar,none,...??? position,[200 150 450 400],...??? 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,ydata);imin=find(min(y)==y);imax=find(max(y)==y);text(x(imin),y(imin),...??? [\leftarrow最小值=,num2str(y(imin))],...??? fontsize,16)text(x(imax),y(imax),...??? [\leftarrow最大值=,num2str(y(imax))],...??? fontsize,16)??? 实例7:条形图形 function shili07h0=figure(toolbar,none,...??? position,[200 150 450 350],...??? name