45 lines
1.4 KiB
Modula-2
45 lines
1.4 KiB
Modula-2
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############################ Model ##################################
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############################ Sets ##################################
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set DEMANDES;
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set FLUIDES;
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set MAGASINS;
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######################### Variables ################################
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var coef{i in DEMANDES, j in FLUIDES, k in MAGASINS}, >=0;
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################## Constants: Data to load #########################
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param fluidesParCommandes{i in DEMANDES, j in FLUIDES};
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param stockMagasin{k in MAGASINS, j in FLUIDES};
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param coutUnitaires{k in MAGASINS, j in FLUIDES};
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param coutExpedition{i in DEMANDES, k in MAGASINS};
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######################## Constraints ###############################
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# Les proportions doivent être comprises entre 0 et 1
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s.t. ProportionZeroUn{i in DEMANDES, j in FLUIDES, k in MAGASINS}:
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coef[i, j, k] <= 1;
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# La somme des proportions doit faire 1
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s.t. ProportionTotalUn{i in DEMANDES, j in FLUIDES}:
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sum{k in MAGASINS} coef[i, j, k] = 1;
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# La répartions des commandes ne doit pas dépasser la limite des stocks
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s.t. RespectDesStocks{j in FLUIDES, k in MAGASINS}:
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sum{i in DEMANDES} coef[i, j, k] * fluidesParCommandes[i, j] <= stockMagasin[k, j];
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######################## Objective #################################
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minimize CoutTotal:
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sum{i in DEMANDES, j in FLUIDES, k in MAGASINS} (coutUnitaires[k, j] * coef[i, j, k] + coef[i, j, k] * coutExpedition[i, k]);
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end;
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