{"coeffs": [-8.034543234362768e-07, 5.5197214861768636e-05, 0.48638137454873526, 0.13424717959145258], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5472158674914667e-07, 2.6469089201004443e-06, 0.01302632486895727, 0.005914351369341868], "covariance": [[6.488308675600307e-14, -4.434521619737133e-13, -1.9829364585906597e-09, -1.2232668977195595e-09], [-4.4345216197371353e-13, 7.006126831307299e-12, 3.419018763769013e-08, 1.4579708168205283e-08], [-1.982936458590662e-09, 3.419018763769014e-08, 0.00016968513959161462, 7.05137960137371e-05], [-1.2232668977195595e-09, 1.4579708168205283e-08, 7.051379601373707e-05, 3.497955212003602e-05]]}