{"coeffs": [-7.191885478017098e-07, 0.38220471402761785, 1.7712252976014267, 0.13677327387745614], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.707081097935786e-07, 89.02386772869708, 32.019670313579525, 0.004885685619557321], "covariance": [[7.328288070801221e-14, -1.6705485176360544e-05, -6.010152094458037e-06, -1.0762900198813903e-09], [-1.6705485178249038e-05, 7925.2490253765545, 2850.514711859282, 0.41784838996009693], [-6.010152095112098e-06, 2850.5147118591312, 1025.2592869903258, 0.15030519559826222], [-1.0762900199465514e-09, 0.4178483899422769, 0.1503051955918803, 2.3869923973149207e-05]]}