{"coeffs": [-6.08692809169669e-07, 0.29431457283604, 1.9992416735693976, 0.16181805627870013], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.932772321619456e-07, 195.05073525585667, 108.41233854736939, 0.015642480956462316], "covariance": [[3.519778742017391e-13, -8.841081421724266e-05, -4.915052978685196e-05, -8.094022545773217e-09], [-8.841081420467177e-05, 38044.78932385029, 21145.905259262236, 2.945530864016088], [-4.915052978009095e-05, 21145.905259263578, 11753.235149309434, 1.6373148997729217], [-8.094022545247782e-09, 2.945530864174494, 1.6373148998605134, 0.0002446872104732862]]}