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summation eliminating some elements

Posted: Sat Jul 20, 2019 9:23 am
by rejinsr037
i have a set i =1,2,3,4,5,6 and a variable x(i). how to ∑ x(i) eliminating 1 and 5?

Re: summation eliminating some elements

Posted: Sun Jul 21, 2019 3:37 pm
by Renger
Hi

Code: Select all

set i /1,2,3,4,5,6/ ;

parameter x(i), mysum;
* assign some values
x(i) =ord(i);
mysum = sum(i$(i.val ne 1 and i.val ne 5), x(i));

display mysum;
Hope this helps
Renger

Re: summation eliminating some elements

Posted: Sun Jul 21, 2019 4:17 pm
by rejinsr037
THANK YOU SO MUCH