exm050202.m

matlab电子书籍

t=(0:pi/100:pi)';							
y1=sin(t)*[1,-1];						
y2=sin(t).*sin(9*t);							
t3=pi*(0:9)/9;															
y3=sin(t3).*sin(9*t3);													
plot(t,y1,'r:',t,y2,'-bo')												
hold on					
plot(t3,y3,'s','MarkerSize',10,'MarkerEdgeColor',[0,1,0],'MarkerFaceColor',[1,0.8,0])	
axis([0,pi,-1,1])											
hold off