Never approached this kind of program before, need help.

So I'm supposed to write a program that calculates how many terms it takes for (1/1)+(1/2)+(1/3)+(1/4)...(1/n) shall be more than 4.
I can't use matlabs built-in functions (sum, sorting). Thank you!

 采纳的回答

Use a while loop, and keep track of the accumulating sum in each iteration.

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sorry but i don't understand. I am super new to matlab. Could you explain a bit more? Thank you
Best regards Rand Renwar
I was thinking something like this:
series_sum = 0;
k1 = 0;
while series_sum <= 4
k1 = k1 + 1;
series_sum = series_sum + 1/k1;
end

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