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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  |  100     100     100     100     100     100     100     100
 1.6  |  100     100     100     100     100     100     100     100
 1.2  |          100     100     100     100     100     100     100
 0.8  |          100     100     100     100     100     100     100
 0.4  |                  100     100     100     100     100     100
 0.0  |                  100     100     100     100     100     100
-0.4  |                                  100     100     100     100
-0.8  |                                                  100     100
      --------------------------------------------------------------
        -0.8    -0.4     0.0     0.4     0.8     1.2     1.6     2.0