Originally posted by: CDN3_Daniel_Cramer

Hello again,

I got a new problem.
I have a 2-dimensional array (Suppliers and Goods - and the prices are in the "cells")

I want CPLEX to choose the supplier with the cheapest price - but I didn't get it in my formulation.

my problem-formulation:

minimize costs
forall (k in material, s in supplier)
demandmaterialperiod * pricematerialsupplier

Prices are the same for each period, only the suppliers have different prices for each material.
(This formulation is not complete - it is only an excerpt.)

Could anybody give me an advice?

Thanks
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