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• Details.
• Color indicates regions of the simplex in which the cost function is either nonconvex or nonmonotone (negative demands).

      --------------------------------------------------------------
 2.0  |   36      59      62      56      52      49      47      46
 1.6  |   26      55      68      61      55      52      49      47
 1.2  |           46      67      66      60      55      52      49
 0.8  |           28      67      67      64      59      54      52
 0.4  |                   66      67      67      63      58      54
 0.0  |                   62      66      67      65      61      56
-0.4  |                           65      66      66      63      58
-0.8  |                                   65      66      64      60
      --------------------------------------------------------------
        -0.8    -0.4     0.0     0.4     0.8     1.2     1.6     2.0