A Branch-and-Price Approach for a Ship Routing Problem ... - gerad
A Branch-and-Price Approach for a Ship Routing Problem ... - gerad
A Branch-and-Price Approach for a Ship Routing Problem ... - gerad
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Mathematical Formulation (1)<br />
min<br />
∑∑<br />
c∈Cr∈R c<br />
Sailing cost route r<br />
(only <strong>for</strong> c=1)<br />
C<br />
cr<br />
∑∑ ∑<br />
C λ + C θ<br />
cr<br />
i∈Hg∈G s∈S<br />
S ig<br />
HG<br />
igs<br />
Penalties <strong>for</strong> violating<br />
alarm levels<br />
igs<br />
11
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