Fig. 5: Swimming direction policy plotted across the domain for a fixed target (green circle) at a given time instant. | Nature Communications

Fig. 5: Swimming direction policy plotted across the domain for a fixed target (green circle) at a given time instant.

From: Learning efficient navigation in vortical flow fields

Fig. 5: Swimming direction policy plotted across the domain for a fixed target (green circle) at a given time instant.

a The naive swimmer swims towards the target. b The red outline highlights how the flow-blind swimmer navigates irrespective of the background flow, while the vorticity swimmer c adjusts its swimming direction modestly. d The velocity swimmer appears even more sensitive to the unsteady background flow.

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