{"coeffs": [-4.9335315246609344e-08, 0.2908803825730959, 1.3788123332663953, 0.07263343240317639], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [9.394626047923463e-08, 3065.0795632987943, 767.8295482719135, 0.01461410621767315], "covariance": [[8.825899858032202e-15, -0.0001247175026168962, -3.1244717657599804e-05, -7.537625396176191e-10], [-0.00012471750246638208, 9394712.729351928, 2353458.6524516665, 42.82091098724998], [-3.124471762040544e-05, 2353458.652451832, 589562.2151994507, 10.72721013023786], [-7.53762539128518e-10, 42.82091100299424, 10.727210134180897, 0.00021357210054143304]]}