{"coeffs": [-1.2823946819917042e-07, 0.24601699173811484, 1.850573613626004, 0.14542386264800244], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.1126354834866317e-07, 70.81606577972899, 42.080166067887625, 0.006229312951287344], "covariance": [[4.463228686086794e-14, -1.0771644798811577e-05, -6.402265396890291e-06, -1.1010846397091884e-09], [-1.0771644798173589e-05, 5014.915172518902, 2979.95163419664, 0.42449794541997293], [-6.402265396508214e-06, 2979.9516341967314, 1770.740376301001, 0.252268562708199], [-1.1010846396770417e-09, 0.4244979454306772, 0.2522685627145394, 3.8804339845076244e-05]]}