Re: [Help-glpk] Tridimensional data

[Leandro Barcelos]

you can use something like that...

param distance := 
[1,1,1] := 1
[1,2,1] := 1
[1,3,1] := 1
[1,1,2] := 1
;


There are other ways to declare multidimensional parameters. More information at lang.pdf of documentation. Page 38.

On Fri, May 9, 2008 at 10:18 AM, Carlos Herrera <address@hidden> wrote:

hello world,

how I can write data in three dimension index in mathprog, for example

set post; /* 1..T */
set posy;   /* 1..m */
set posx;  /* 1..n */

param distance {t in post, i in posy, j in posx};
var y {t in post, i in posy, j in posx} binary >=0;

maximize z: sum{t in post, i in posi, j in posx} distance[t,i,j] * y[t,i,j];

data;

param distance: ???

thanks!!


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-- 
Leandro B. Barcelos