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GAMS summation
Posted: Sat Jul 20, 2019 7:59 am
by rejinsr037
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Re: GAMS summation
Posted: Sun Jul 21, 2019 3:40 pm
by Renger
Hi
Code: Select all
sum(t$(t.val > 2 and t.val<6), Y(i,r,t)
or, if the set consists of strings /a1*a6/;:
Code: Select all
sum(t$(ord(t) > 2 and ord(t)<6), Y(i,r,t);
Cheers
Renger
Re: GAMS summation
Posted: Sun Jul 21, 2019 4:22 pm
by rejinsr037
THANK YOU