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[Help-glpk] Re: Set cardinality
From: |
Andrew Makhorin |
Subject: |
[Help-glpk] Re: Set cardinality |
Date: |
Thu, 18 Sep 2003 00:13:45 +0400 |
>1. does MathProg have a set function like "card", that will give me
> the number of elements in a set?
The card function is not implemented yet. However you can compute the
cardinality of a set as follows:
sum{set} 1
>2. what's "eps" meaning in "Marginal" column?
This means that although corresponding variable is non-basic, its
reduced cost is close to zero, i.e. the problem is dual degenerative.