A Wiener-filter method extracts the stochastic active force on a passive probe in an active fluid; it is validated on simulations and applied to E. coli baths.
Inter-particle forces were computed as follows:
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Decoding active force fluctuations from spatial trajectories of active systems
A Wiener-filter method extracts the stochastic active force on a passive probe in an active fluid; it is validated on simulations and applied to E. coli baths.