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Figure 18 | EPJ Data Science

Figure 18

From: Gravity law in the Chinese highway freight transportation networks

Figure 18

Evolution of the exponents of daily directed and undirected freight highway transportation networks. (a) Scatter data of \(F_{ij}\) with respect to \(P_{i}^{\alpha_{1}}P_{j}^{\alpha_{2}}/d_{ij}^{\alpha_{3}}\) for the directed network. (b) Binning data of \(F_{ij}\) with respect to \(P_{i}^{\alpha_{1}}P_{j}^{\alpha_{2}}/d_{ij}^{\alpha_{3}}\) for the directed network. (c) Scatter data of \(W_{ij}\) with respect to \(P_{i}^{\alpha _{1}}P_{j}^{\alpha_{2}}/d_{ij}^{\alpha_{3}}\) for the undirected network. (d) Binning data of \(W_{ij}\) with respect to \(P_{i}^{\alpha_{1}}P_{j}^{\alpha _{2}}/d_{ij}^{\alpha_{3}}\) for the undirected network

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