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

      --------------------------------------------------------------
 1.0  |  100     100     100     100     100     100     100     100
 0.8  |  100     100     100     100     100     100     100     100
 0.6  |          100     100     100     100     100     100     100
 0.4  |          100     100     100     100     100     100     100
 0.2  |                  100     100     100     100     100     100
 0.0  |                  100     100     100     100     100     100
-0.2  |                                  100     100     100     100
-0.4  |                                                  100     100
      --------------------------------------------------------------
        -0.4    -0.2     0.0     0.2     0.4     0.6     0.8     1.0