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. 2021 Nov 10;22:547. doi: 10.1186/s12859-021-04417-9

Fig. 2.

Fig. 2

Path of the simplex method through a simple tetrahedron calculated with lrs [21]. For better readability we transformed the cone from Fig. 1 into a tetrahedron and only highlighted the path of the simplex method. a shows the path and direction of the simplex method indicated by the red arrows. b shows the corresponding reverse search tree. The black arrows indicate the path of the reverse search which starts at the origin vertex ε0 and results in a search tree with a depth of 2