Ray TAN
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write the relation between two deision variables
OngoingI would like to write the constraints between two continuous decision variable x(m) and y(n) x(m) is equal to the value of column in y(i,j) which is nonzero i.e. y=[1,1,0,0,1] and x could be one ...

Modeling if constraints with interger variable
AnsweredI wanna write the constraint like if x=K (K is a constant ) then y=z x,y,z are integer variables. I scan the other related posts using big M method and I find it is unsuitable for my problem sin...