sci.op-research

On 4=E6=9C=888=E6=97=A5, =E4=B8=8B=E5=8D=883=E6=97=B647=E5=88=86, Wit Jakucz=
un wrote:
> Dnia Tue, 8 Apr 2008 00:33:23 -0700 (PDT)
> minben napisa=C5=82(a):
>
> > My idea is to define a binary variable Yi,d to describe if a good i
> > arrives before day d (it can be get from Di and d),and for d=3D1 to
> > 31,we calculate everyday's storage by adding Yi,d*Wi for all i and
> > d ,then plus L and minus d*c. At last we let it not larger than T.
>
> > But it's so complex and I believe there is some simpler way,but I
> > can't find it. Can anyone help me?
>
> What is complex for you in your idea?
>
> Best regards
> --
> [ Wit Jakuczun =C2=A0 =C2=A0 ]
> [ WLOG Solutions =C2=A0http://www.wlogsolutions.com]


For one item Yi,d*Wi it may be calculated for many times (for
different d),so I think there may be a better way.