www.pudn.com > pinsanquxian.rar > ex4.m, change:2004-07-06,size:285b


x=[0.05 0.1 0.5 1 1.5 2 2.5 3 3.5 4.0 4.5 5.0 8 20]; 
y1=[1.95 1.84 1.35 1.19 1.12 1.09 1.07 1.05 1.04 1.037 1.03 1.027 1.01 1]; 
y2=[0 0 0 0 0 1.91 1.68 1.53 1.42 1.35 1.29 1.24 1.12 1.03]; 
y3=[0 0 0 0 0 0 0 0 0 1.89 1.75 1.65 1.31 1.06] 
plot(x,y1); 
hold on 
plot(x,y2) 
plot(x,y3)