{"coeffs": [-2.2110095244463346e-06, 7.730468960941593e-05, 0.4478259697519162, 0.15499185584549885], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.168164838666055e-07, 4.681879220577675e-06, 0.01817895816190576, 0.010120265618299653], "covariance": [[5.138258715428834e-13, -2.4406638155256037e-12, -8.291358268477766e-09, -6.318139116245938e-09], [-2.4406638155256045e-12, 2.191999303607702e-11, 8.39929259823908e-08, 4.444089341548257e-08], [-8.29135826847777e-09, 8.399292598239082e-08, 0.00033047451985232013, 0.0001658028398283965], [-6.3181391162459385e-09, 4.444089341548257e-08, 0.00016580283982839644, 0.00010241977618493804]]}