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From: | Andrew Makhorin |
Subject: | Re: [Help-glpk] Ordered Sets |
Date: | Fri, 1 Dec 2006 07:59:26 +0300 |
> Is there a more elegant solution? set S; param ref{i in 1..card(S)}, symbolic, in S; # ref[i] refers to i-th element of S; param a{S}; ... a[ref[i]] ... # means a[i-th element of S]
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