{"coeffs": [-4.5896335096639133e-07, 5.146093317013878e-05, 0.4215500577602779, 0.1116443999425332], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.286741843384706e-08, 5.120136175520867e-07, 0.002489678694497594, 0.0015653414003057198], "covariance": [[8.624357406567237e-15, -2.6623994644470448e-14, -9.062789638983493e-11, -1.0799449751921952e-10], [-2.6623994644470457e-14, 2.621579445587745e-13, 1.2265070147020274e-09, 7.201805473254838e-10], [-9.062789638983508e-11, 1.2265070147020276e-09, 6.1985000018352434e-06, 3.211022163656672e-06], [-1.0799449751921956e-10, 7.201805473254837e-10, 3.2110221636566706e-06, 2.450293699511072e-06]]}