I have a binary decision variable, y(X,t) as follows:
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sets
t /t1*t5/
X /X1*X2/ ;
binary variable
y(X,t);
y(X,t) can take as follows (an example):
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X1 X2
t1 0 0
t2 1 0
t3 0 1
t4 1 1
t5 1 1
such that if for any t,
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sum(X,y(X,t)) > 1
Please note that, I do not want to have conditional-statement, because I cannot use it while writing equations. Also, there should be no dollar condition for variables.
Thanks