x=logspace(-2,0,500);
y=((sin(1./x)).^2)./x;
plot(x,y);
set(gca,'xscale','log','Yscale','linear'); %设置横坐标是log,纵坐标是默认线性
title('Y-logX');
set(gca,'xgrid','on','LineWidth',1,'Ygrid','off') %#设置x坐标轴分格线,及其粗细,y坐标轴的关闭
x=logspace(-2,0,500);
y=((sin(1./x)).^2)./x