function shili04

h0=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’);