{"coeffs": [-4.313107947438727e-06, 7.452342913709584e-05, 0.48116276559637483, 0.2021052661816812], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.394144693395763e-07, 2.938540838636116e-06, 0.013311565511611076, 0.00875852707142087], "covariance": [[4.08850863600812e-13, -1.584953219591132e-12, -6.445788628126916e-09, -5.2795067511425555e-09], [-1.584953219591132e-12, 8.635022260332248e-12, 3.862423371921476e-08, 2.4740473111700158e-08], [-6.445788628126916e-09, 3.862423371921476e-08, 0.00017719777636991346, 0.00010710640810714155], [-5.279506751142554e-09, 2.4740473111700158e-08, 0.00010710640810714155, 7.671179646081224e-05]]}