I need a way to implement iteration process in Mathematica of the form:
N is constant, S is also constant.
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Chris Degnen
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Theorist
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Parameter i and j go from 1 to some value r. I know how to implement iterative process in Mathematica, but i don't know what should I do when I have this sum over another index j. – Theorist Apr 21 '17 at 10:13
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you need some initial condition (`n=0`) – agentp Apr 21 '17 at 11:36
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Initial condition is a^{0}_{i}=0. – Theorist Apr 21 '17 at 11:41
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then all the rest will just be `Tan[S/ N Pi]` – agentp Apr 21 '17 at 11:47
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Re. conditions on indices: https://mathematica.stackexchange.com/questions/25882/how-do-you-put-conditions-on-indices-in-a-sum – Chris Degnen Apr 21 '17 at 12:23