Hi! I have a loop which gives me vectors of length=50. How can i create a loop, so it will make 5 of these vectors? This just gives me one vector on length=250. How can I make so it will be 5 vectors?

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Christoffer Sørensen 2017-3-20

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回答： Iddo Weiner 2017-3-20

{% loop over temperatures for i=1:1:5 for t = temperatures % for i=1:1:5% Step temperatur from 0 to max in steps of 0.1 [E, SE] = mcsteps(100*size*size, t, 0.0, 1.0); % non-interacting spins %[E, SE] = mcsteps(100*size*size, t, 1.0, 0.0); % interacting spins

    % Gradually build a vector of mean energies and one of mean spin
    % excesses.
    E_mean = [E_mean  mean(E)];
    SE_mean = [SE_mean ; mean(SE)];
    % plot state at each t in temperature vector
%     figure(10)
% plotstate(t)
%     end

end end

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Answer 1

Iddo Weiner 2017-3-20

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在 MATLAB Online 中打开

How about create a 5*50 matrix and fill it with 2 loops?

data1 = rand(5); 
data2 = rand(50);
out = zeros(5,50);
for idx1 = 1:5
    for idx2 = 1:50
        out(idx1,idx2) = data1(idx1) * data2(idx2);
    end
end
imagesc(out)