Hi, how is it possible to write the summation of x (j) ^ n which x (j) is a defined variable over a defined Set and n goes from 0 to c-1 which c is a defined scalar? So how I can define a set for n which it’s elements are equal to 0 up to scalar c-1 and then how to write the summation of x (j) to the power of n, I wrote

Set n /n0=0, n1=1, …/

sum (n, power (x (j), n))

But it is absolutely wrong, thanks for your help

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Hello,

I would do like that:

n/1*C/ C<- could be any number

SUM(n$(ORD(n) LE C-1), power(x(n),n))

I am not entirely sure if this is what you want, because you have another index/set there, j.

If there is not operation over j, then it is the following:

CON(j)… SUM(n$(ORD(n) LE C-1), power(x(j),n))

I hope that helped you.

Best regards,

Konstantinos

Î¤Î· Î ÎÎ¼Ï€Ï„Î·, 29 Î™Î±Î½Î¿Ï…Î±ÏÎ¯Î¿Ï… 2015 - 11:33:35 Î¼.Î¼. UTC, Î¿ Ï‡ÏÎ®ÏƒÏ„Î·Ï‚ mahmood golabi ÎÎ³ÏÎ±ÏˆÎµ:

Hi, how is it possible to write the summation of x (j) ^ n which x (j) is a defined variable over a defined Set and n goes from 0 to c-1 which c is a defined scalar? So how I can define a set for n which it’s elements are equal to 0 up to scalar c-1 and then how to write the summation of x (j) to the power of n, I wrote

Set n /n0=0, n1=1, …/

sum (n, power (x (j), n))

But it is absolutely wrong, thanks for your help

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Thanks too much, it was really useful

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