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Re: [Help-glpk] Subsetting param (e.g. param A{i in I, j in J} to param
From: |
Heinrich Schuchardt |
Subject: |
Re: [Help-glpk] Subsetting param (e.g. param A{i in I, j in J} to param B{i in I} i.e. dropping j index |
Date: |
Tue, 17 May 2016 10:09:33 +0200 |
Hello Noli,
param B{I in I} := max{j inJ} A[i, j];
Best regards
Heinrich Schuchardt
http://www.xypron.de
Am 17.05.16 um 04:16 schrieb Noli Sicad
> Hi,
>
> (GLPK/MathProg / GMPL question)
>
> I would like to subset param (e.g. param A{i in I,j in J} to param B{i
> in I} i.e. dropping j index.
>
> param A{i in I,j in J} >= 0, default 0;
>
> param B{i in I} >= 0, default 0;
>
> ###########
> The data
>
> The input,
>
> param A:=
> 1 3 40.1
> 2 5 50.2
> 3 6 35.3
> .
>
> Result would be like this:
>
> param B:=
> 1 40.1
> 2 50.2
> 3 35.3
> .
>
> ##########
>
> What would be param B{i in I}:=?
>
> Any other suggestion how get create param B{i in I} from param A{i in
> I,j in J}.
>
> #param B{i in I} >= 0, default 0;
>
> param B{i in I}:= ?
>
> Thanks.
>
> Noli
>
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