Fobj=minz=i=1mj=1nt=1Tcijtxijt+iijtIijt+k=1pyijktzijkts.t.k=1pDiktzijkt+Iijt=Iij,t1+xijt,i=1,,m;j=1,,n;t=1,,T1j=1nzijkt=1,k=1,,p;2xijtxijtmax,i=1,,m;j=1,,n;t=1,,T3IijtIijtmax,i=1,,m;j=1,,n;t=1,,T4zijkt01,i=1,,m;j=1,,n;k=1,,p;t=1,,T5xijt,Iijt0i=1,,m;j=1,,n;t=1,,T

si68_e

Ex. 17

Decision variables:

xijt = quantity of product i to be manufactured in facility j in period t

Iijt = final stock of product i in facility j in period t

Yijkt = quantity of product i to be transported from facility j to retailer k in period t

zijt=1if the manufacturing of productiin periodtoccurs in facilityj0otherwise

Model parameters:

Dikt = demand ...

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