Hi everybody, How do i code the following summation in one of my constraints?
∑ with underneath: j'≠j ∈ V For this particular summation in my constraint i want to only sum the waiting time of all other vessels. Total constraint is: WTijk ≥ ∑ j'≠j ∈ V ∑ k'<k ∈ V "formula" Thanks in advance! Frank
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