sets
i is number of Products
t is number of Periods
how to code the attachment?
summation
Re: summation
Hi
You can write a dollar constraint on the sum using "sameas":
Cheers
Renger
You can write a dollar constraint on the sum using "sameas":
Code: Select all
sum((i,j)$(not sameas(i,j)), ...
Renger
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Enjoy modeling even more: Read my blog on modeling at The lazy economist
Enjoy modeling even more: Read my blog on modeling at The lazy economist