20 value from a normal distribution..

2 views (last 30 days)
joy
joy on 7 May 2015
Commented: joy on 7 May 2015
Hi,
I have mu and sigma (stand deviation) i.e. mean=20 and sigma=4. I am generating data with normal distribution from these parameters.
I need to select 20 values ranges between 8 to 32 from this distribution..How to do so?
Thanks in advance
Mu = 20;
sigma = 4;
N = normrnd(Mu, sigma, 100000, 1);
N=round(N);
hist(N,0:1:60);

Accepted Answer

Michael Haderlein
Michael Haderlein on 7 May 2015
Edited: Michael Haderlein on 7 May 2015
First, make sure that there are enough numbers available (with the values you use, this might not be a problem):
lo=8;hi=32;num=20;
while sum(N>=lo & N<=hi)<num
N(N<lo | N>hi)=round(normrnd(Mu,sigma,sum(N<lo | N>hi),1));
end
Then, take the first 20 values which are in the respective interval:
ind=find(N>=lo & N<hi,num,'first');
N(ind)
  5 Comments
joy
joy on 7 May 2015
Thank you. I shall make those corrections.

Sign in to comment.

More Answers (0)

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by