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. Author manuscript; available in PMC: 2022 Jul 23.
Published in final edited form as: Nat Comput Sci. 2021 Mar 25;1:199–211. doi: 10.1038/s43588-021-00050-x

Fig. 2 |. Illustration of optimal transport based on two protein distributions.

Fig. 2 |

The thickness of the arrows indicates how many particles from protein distribution A (left, green) are matched to corresponding particles in protein distribution B (right, magenta). Examples: arrow a indicates that one particle from the green stack of size three located at (1, 2) is matched with the magenta particle located at (1, 3) (mass splitting). Arrow b shows that the green stack of size two at (2, 4) is matched with the magenta stack of size two at the same location (no transport). Arrow c shows that the green stack of size 1 at (4, 3) is matched with the magenta stack of size one located at (4, 4) (shift).