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Run simulation 1000 times

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Luke Radcliff
Luke Radcliff 2016-7-13
评论： Luke Radcliff 2016-7-14
This code I made is a simulation that finds the the total profit(yearprofit) from trading a product
Q= 240 + 9*randn(250,1);
for k = 1:length(Q)
if Q(k) < 240
buy = Q(k)*100 + 150;
elseif Q(k) > 245
sell = Q(k)*100 - 150;
buy = 0;
elseif buy > 0
P(k) = sell - buy;
yearprofit = sum(P);
end
end
This finds the profit for 1 year, how do I make the simulation run 1000 times giving me 1000 different values to resemble 1000 years? Do I have to use another for-loop around it?

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James Tursa
James Tursa 2016-7-14
Yes. Use an outer for loop. E.g.,
n = 1000;
result = zeros(n,1);
for k=1:n
% your code
result(k) = whatever you want to save from your code
end

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