example

in file a, data is [1 , 2, 3; 4,5,6]

file b, data is  [4,5, 6; 7,8,9]

average=0.5 (a+b)

 

matlab code

n=359;a=[];b=[];c=[];% for loopfor i=1:n      filename=sprintf('output_%d.dat',i);    fileinfo = importdata(filename);    ux=fileinfo.data(:,7);   % extract column data    uy=fileinfo.data(:,8);    uz=fileinfo.data(:,9);    a=[a,ux];   % put all Ux in an array    b=[b,uy];    c=[c,uz];endaver_Ux=sum(a,2)/n;  % sum of array elementsaver_Uy=sum(b,2)/n;aver_Uz=sum(c,2)/n;