plot Complementary Cumulative DIstribution

> I want to plot Complementary Cumulative DIstribution > Function(CCDF) of a random variable. There is a > command to plot only Cumulative Distributive > Function(CDF)-"cdfplot". How to get the CCDF plot? > I thought of one way. First get the points from the > CDF plot. then subtract them from 1(because CCDF = 1 > - CDF). But I dont know how to get the points from a > plot. Can somebody help me?

Answer 1

[Teja Muppirala]

cdfplot calls cdfcalc. You can use this to get the actual values.

X = randn(10000,1);
[ycdf,xcdf] = cdfcalc(X);

xccdf = xcdf;
yccdf = 1-ycdf(1:end-1);

plot(xcdf,yccdf);

[abdullah qasim]

great but I have just posative signal