{"coeffs": [-2.1891762849212855e-07, 2.4333637606506386e-05, 0.5895332018108563, 0.1432249508545575], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.8107657190265136e-08, 1.4348145950988938e-06, 0.015541528939166733, 0.0043986471373103474], "covariance": [[2.314346680336069e-15, -4.750974987435561e-14, -5.128664740468192e-10, -1.7463952888890355e-10], [-4.75097498743556e-14, 2.0586929223088023e-12, 2.225094769145499e-08, 5.9733849213031196e-09], [-5.12866474046819e-10, 2.2250947691454993e-08, 0.000241539121766957, 6.525799774534217e-05], [-1.7463952888890373e-10, 5.973384921303122e-09, 6.525799774534217e-05, 1.9348096638568518e-05]]}