How can I use for loop to sum some numbers for a certain time?

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Hwajin Choi
Hwajin Choi 2022-2-28
回答： Walter Roberson 2022-2-28
I want to sum a set of numbers (10 numbers in the set) for a certain time (user input)
My code is
time = input('Put numbers HERE. ');
CostTotal = 0;
for n = 1:1:time
Cost = [12 21 45 50 13 11 10 77 89 100];
CostTotal = CostTotal + Cost;
end
What I want is, if I put 4 as input, it calculates 12+21+45+50.
Thank you for your help.

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回答（1 个）

Walter Roberson
Walter Roberson 2022-2-28
time = input('Put numbers HERE. ');
CostTotal = 0;
Cost = [12 21 45 50 13 11 10 77 89 100];
for n = 1:1:time
CostTotal = CostTotal + Cost(n);
end

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