! SAS/OR Example 7.1 Diet problem
min 2 bread +3.5 milk +8 cheese +1.5 potato +11 fish +1 yogurt
subject to
 4  bread +8    milk +7 cheese   +1.3 potato +8 fish +9.2 yogurt < 10
 1  bread +5    milk +9 cheese   +0.1 potato +7 fish +1   yogurt > 8
 15 bread +11.7 milk +0.4 cheese +22.6 potato +0 fish +17 yogurt > 10
 90 bread +120  milk +106 cheese +97  potato +130 fish +180 yogurt > 300
 milk < 1
 fish > 0.5
end
! March 2017 M. Casquilho
! The Lindo file format coincides with CPLEX '.lp' format.