matlab行距,Matlab cdfplot：如何控制标记间距的间距

一种方法是从曲线中获取XData / YData属性,遵循@ephsmith中的solution(1)并将其设置回来.以下是一条曲线的示例.

y = evrnd(0,3,100,1); %# random data

%# original data

subplot(1,2,1)

h = cdfplot(y);

set(h,'Marker','*','MarkerSize',8,'MarkerEdgeColor','r','LineStyle','none')

%# reduced data

subplot(1,2,2)

h = cdfplot(y);

set(h,'Marker','*','MarkerSize',8,'MarkerEdgeColor','r','LineStyle','none')

xdata = get(h,'XData');

ydata = get(h,'YData');

set(h,'XData',xdata(1:5:end));

set(h,'YData',ydata(1:5:end));

另一种方法是使用ECDF函数分别计算经验CDF,然后在使用PLOT绘图之前减少结果.

y = evrnd(0,3,100,1); %# random data

[f, x] = ecdf(y);

%# original data

subplot(1,2,1)

plot(x,f,'*')

%# reduced data

subplot(1,2,2)

plot(x(1:5:end),f(1:5:end),'r*')

结果