assign.dat

Warning

The original AMPL book does not reflect many of the latest features available in AMPL. For modern data transfer, we recommend using APIs such as our popular Python API or table handlers such as amplxl.

assign.dat

data;
set ORIG := Coullard Daskin Hazen Hopp Iravani Linetsky
            Mehrotra Nelson Smilowitz Tamhane White ;

set DEST := C118 C138 C140 C246 C250 C251 D237 D239 D241 M233 M239;

param supply default 1 ;

param demand default 1 ;

param cost:
          C118 C138 C140 C246 C250 C251 D237 D239 D241 M233 M239 :=
 Coullard   6    9    8    7   11   10    4    5    3    2    1
 Daskin    11    8    7    6    9   10    1    5    4    2    3
 Hazen      9   10   11    1    5    6    2    7    8    3    4
 Hopp      11    9    8   10    6    5    1    7    4    2    3
 Iravani    3    2    8    9   10   11    1    5    4    6    7
 Linetsky  11    9   10    5    3    4    6    7    8    1    2
 Mehrotra   6   11   10    9    8    7    1    2    5    4    3
 Nelson    11    5    4    6    7    8    1    9   10    2    3
 Smilowitz 11    9   10    8    6    5    7    3    4    1    2
 Tamhane    5    6    9    8    4    3    7   10   11    2    1
 White     11    9    8    4    6    5    3   10    7    2    1 ;