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Problem with definition

Posted: Sat Dec 30, 2017 10:47 pm
by oa1233
Hello,

I am a beginner in gams

I have the attached gams file to see my sets.

I and J are the same exactly so would it be right to do alias(I,j)? If not, do I have to define j as a new set? and How can I define the two equations found here

Thank you.