单坐标轴

双坐标

代码如下:clear all;close all;data1 = rand(1,100);data2 = rand(1,500);

fig = figure;h1=histfit(data1,20);set(h1(1),'Visible','off');set(h1(2),'Color','g');box off;ax1 = gca;hold on ;

ax2 = axes;h2=histfit(data2,20);set(h2(1),'Visible','off');set(h2(2),'Color','r');set(ax2,'YAxisLocation','right','color','none','box','off','xlim',get(ax1,'xlim'),'XTickLabel',[]);

这种画法比较啰嗦,其实最好的办法还是用normfit直接估计出分布函数,再用plotyy画更为合理