COIN-OR CBC Lotsize variable creation and MPS file of formulation

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I am working on a Linear Programming Formulation where I require some variables to take values from a predefined set. I was pointed out to use the CBC Lotsize Variable Type (https://github.com/coin-or/Cbc/discussions/516#discussioncomment-3007885). However the CBC C++ libraries use MPS format to be fed into them. I am not finding any way to create MPS file of my formulation. Please suggest the way forward...

FYI: Another similar request to Gurobi is pending: https://support.gurobi.com/hc/en-us/community/posts/9160893511185-Requesting-a-new-type-of-variable-introduction

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S_Banerjee On

The best way is to use Gurobi for modelling the entire formulation. Then save the model in any formal you wish.

Gurobi supports saving the mathematical model in .lp , .mps as well as many other formats...