{"coeffs": [-7.336362912326684e-07, 0.24019417763002096, 1.8248988045353534, 0.14924370154535377], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.624887804812215e-07, 98.60090961165157, 61.72869307802314, 0.01358725663613151], "covariance": [[4.388913842634961e-13, -4.7750588212682354e-05, -2.9904099602092304e-05, -7.61355087817628e-09], [-4.7750588213427885e-05, 9722.139376245084, 6086.504585378223, 1.2901398544439178], [-2.990409960253783e-05, 6086.504585378151, 3810.4315491207817, 0.8077950188954739], [-7.613550878226979e-09, 1.290139854435022, 0.807795018889969, 0.00018461354289609971]]}