LINGO Downloadable Resources

Financial models

Scheduling models

  • Assembly line balancing (zip) 0.99 KB

    Balance an assembly line in order to minimise its total cycle time. The assembly line consists of a series of workstations. Tasks with precedence relationships must be assigned to workstations that have individual cycle times.  

  • Scheduling for mining operation (zip) 1.32 KB

    Determine which blocks to mine each year in order to stay within annual capacity limits, produce a steady flow of useable material, and satisfy removal precedence constraints.  

Routing models

  • Fleet routing and sssignment (zip) 2.13 KB

    Minimise vehicle routes in order to carry a set of loads from origin cities to destination cities. Each load has an associated departure time.  

  • Call routing problem in an undirected network (zip) 1.86 KB

    Select a route for each call pair in a network structure. Demand volumes between each pair is known and traffic over each link must not exceed the link capacity.  

Production models

  • Capacitated economic order quantity (zip) 535 Bytes

    Determine production quantities for various products that minimises the total setup and holding costs while not exceeding the production capacity. Demand, production rates, setup costs and holding costs are known.  

  • Multiproduct capacitated lot sizing (zip) 1.00 KB

    Determine the optimal lot sizes for various products in order to minimise production costs. Each product has a known setup time, setup cost, production time, production cost and holding cost.  

Blending models

  • Blending at refinery (zip) 2.99 KB

    Various processes blend materials in fixed proportions to convert them to one or more materials. Proportion of materials must satisfy certain quality requirements and each process uses resources that are of limited time availability.  

  • Blending at a snack foods manufacturer (zip) 353 Bytes

    Determine the quantities of each brand of food to produce daily in order to maximise the total revenue without exceeding the available supply of ingredients. Each brand has a specified ration of ingredients.  

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