{"coeffs": [-7.189286432834881e-07, 0.2799681042400814, 1.8661057234595118, 0.15164431133004033], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.082264764090252e-07, 137.99581876665943, 75.26854394674392, 0.014407214764173375], "covariance": [[5.015847418867435e-13, -7.210459637292785e-05, -3.934026344641843e-05, -8.686471963654047e-09], [-7.21045963767506e-05, 19042.845997080716, 10386.743424732218, 1.9155230051472139], [-3.9340263448454796e-05, 10386.743424731867, 5665.353707862921, 1.0449266051325676], [-8.686471963866518e-09, 1.9155230051042793, 1.0449266051092723, 0.00020756783726101527]]}