{"coeffs": [-4.078400459816362e-06, 0.0001016046917194274, 0.48916960607604687, 0.1882381036693854], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.736244651776313e-07, 4.0483168986426565e-06, 0.013173762253022492, 0.008059357172115209], "covariance": [[5.98494813121376e-13, -2.5749396050313375e-12, -7.554825122270827e-09, -5.804919745850651e-09], [-2.574939605031329e-12, 1.6388869711835696e-11, 5.274345156658671e-08, 3.122047587123584e-08], [-7.554825122270785e-09, 5.2743451566586664e-08, 0.00017354801189916025, 9.75981364382819e-05], [-5.8049197458506385e-09, 3.122047587123588e-08, 9.759813643828211e-05, 6.495323802772485e-05]]}