function cache(m)
% CACHE is a program to illustrtate the effects of cache and memory on
% execution speed.
%
% cache(m)
%
% m detrmines the array size

n=m

a=zeros(m,n);
tic
for i=1:m
    for j=1:n
        a(i,j)=1;
    end
end
toc
tic
for j=1:n
    for i=1:m
        a(i,j)=1;
    end
end
toc
        