{"coeffs": [-8.538919754521051e-06, 0.00014410999941910817, 0.36157186656400614, 0.16720244585286176], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.585634199163351e-06, 7.594428802890838e-06, 0.01523752786985027, 0.013398489625076775], "covariance": [[6.685504211883104e-12, -1.4949823745090228e-11, -2.0416548584651077e-08, -3.129895056374087e-08], [-1.494982374509024e-11, 5.767534884217797e-11, 1.0869766382701759e-07, 9.523332268624477e-08], [-2.0416548584651116e-08, 1.0869766382701766e-07, 0.00023218225558446372, 0.0001624373004805327], [-3.1298950563740884e-08, 9.523332268624473e-08, 0.00016243730048053258, 0.00017951952423328997]]}