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Model for Inventory Optimization

  • November 17, 2020
  • 2 replies
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  • Aksh
  • Explorer
  • 3 replies

Hello

I have created another model for practice on AIMMS for inventory optimization. There are no errors during compiling however I am getting the attached error while running the procedure in the Main Execution part.

 

The model and the error have been attached as a zipped file for reference.

 

Thank you for all the help! 

Best answer by gdiepen

Took a quick look at the model and seeing some things that stick out:

  • Your variable OrderQty has also a definition in terms of OrderQty. Looks a bit cyclic
  • In your TotalCost definition, you divide a term by the variable OrderQty. You might want to see whether you can rewrite it in such a way that you do not device by orderQty because now it is a non linear program instead of a linear program which you might want to have.

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    gdiepen
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    • gdiepen
    • AIMMS Champ
    • 155 replies
    • Answer
    • November 18, 2020

    Took a quick look at the model and seeing some things that stick out:

    • Your variable OrderQty has also a definition in terms of OrderQty. Looks a bit cyclic
    • In your TotalCost definition, you divide a term by the variable OrderQty. You might want to see whether you can rewrite it in such a way that you do not device by orderQty because now it is a non linear program instead of a linear program which you might want to have.
    A
    • Aksh
    • Author
    • Explorer
    • 3 replies
    • November 22, 2020

    Your advice helped again. Thanks!


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