exm050501.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=zeros(size(t3));
plot(t,y1,t,y2,t3,y3)