Fig. 2
From: A time expanded version of the (Hitchcock-) transportation problem
A Hitchcock model for P in the case r = 2, s = 2, t = 3 (the edges, i.e. the variables, with i′ > j′ are omitted)
Fig. 2 | European Transport Research Review
From: A time expanded version of the (Hitchcock-) transportation problem
A Hitchcock model for P in the case r = 2, s = 2, t = 3 (the edges, i.e. the variables, with i′ > j′ are omitted)