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calculate the sum of the following geometric series when N = 1000 and r =1/2 I have searched here and in the "help" in Matlab, but i found nothing about the geometric series

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Waleed Alrabghi
Waleed Alrabghi 2016-2-11
回答： Roger Stafford 2016-2-11
calculate the sum of the following geometric series when N = 1000 and r =1/2 I have searched here and in the "help" in Matlab, but i found nothing about the geometric series

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采纳的回答

Roger Stafford
Roger Stafford 2016-2-11
If your geometric series is a, a*r, a*r^2, ..., a*r^N, then its sum is:
s = a*(1-r^(N+1))/(1-r)

更多回答（2 个）

Walter Roberson
Walter Roberson 2016-2-11
Hint:
x = 1;
r = 3;
x = x * r
x = x * r
x = x * r
...
Waleed Alrabghi
Waleed Alrabghi 2016-2-11
Thank you guys

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