How to overlay a curve over histogram?

Hi There,

New to Matlab so sorry if the question is simple!

I have plotted a histogram with the following code:

data = csvread('testformatlab.csv')

col1 = data(:,8); %all rows in column 1 

col2 = data(:,14);

X = (col1)./(col2);

histogram(X);

*I would like to overlay a curve to the histogram, similar to the red one in the attached image. My current histogram is shown in the blue image.

Thankyou!!!

Answer 1

[Andrew Newell]

If you already have the curve, then just type hold on and plot it. An example:

ydata = randn(1000,1);
hist(ydata)
hold on

x = min(ydata):0.1:max(ydata);
y = 500*normpdf(x);
plot(x,y,'r')