Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.


Curious
Posts:
2,109
Registered:
12/6/04


Re: matrix mean
Posted:
Sep 9, 2013 10:12 AM


"Puneet" wrote in message <l0kc2v$l2a$1@newscl01ah.mathworks.com>... > Hi  this is begginers question. > I have a data set  16 rows and 16 columns  I would like to average every 2 points to get an 8 rows 8 columns matrix. > > This is a learning phase so I can run something similar later for larger data sets. > Thanks.
%Perhaps something like:
a = rand(16,16); b = a(1:2:15, 1:2:15); % odd rows & columns c = mean(b(:));
% may not be most efficient, % but you should get the idea
% I'll leave the even rows & columns to you % (you didn't specify which you wanted).



