Check the following code. I am not sure that is what you need, but it performs what you said in my understanding.
A = linspace(0,3,4);
Nth = 6;
for i=1:fix(Nth/4)
for i=1:length(A)
disp(A(i));
pause(0.5)
end
end
for i=1:mod(Nth,4)
disp(A(i));
pause(0.5)
end
