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steelT.sa4

Sample model from the AMPL book

				
					model steelT.mod;
data steelT.dat;

option solution_precision 10;
option solver_msg 0;

set AVAIL3 default {};
param avail3_obj {AVAIL3};
param avail3_dual {AVAIL3};
param avail3_step := 5;

repeat {
   solve;
   let AVAIL3 := AVAIL3 union {avail[3]};
   let avail3_obj[avail[3]] := Total_Profit;
   let avail3_dual[avail[3]] := Time[3].dual;
   let avail[3] := avail[3] + avail3_step;
} until Time[3].dual = 0;

display avail3_obj, avail3_dual;