{"coeffs": [-9.568159162419698e-07, 0.22793694187653715, 1.9189920684880886, 0.15891062310782617], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.214419669034956e-07, 88.13020285129734, 61.841642606083155, 0.012512639932289949], "covariance": [[2.719017248481862e-13, -3.4779399528740156e-05, -2.4412057545393424e-05, -5.654006446493439e-09], [-3.47793995327309e-05, 7766.932654610817, 5450.115992271735, 1.0639735837605773], [-2.4412057548141758e-05, 5450.115992271331, 3824.388760218519, 0.7466867226646797], [-5.654006446823836e-09, 1.0639735837110245, 0.7466867226299478, 0.000156566158075137]]}