{"coeffs": [-8.606527244703655e-10, 7.372398577022172e-06, 0.5624800341175031, 0.0870758155431413], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.605956343226377e-08, 5.344054969742233e-07, 0.012647029052715059, 0.0038340693629443133], "covariance": [[2.579095776349036e-16, -3.8611579062707044e-15, -8.809312764682136e-11, -3.668755295488699e-11], [-3.861157906270701e-15, 2.855892351962665e-13, 6.727268113302548e-09, 1.8954046855695564e-09], [-8.809312764682142e-11, 6.727268113302547e-09, 0.00015994734386021875, 4.534555478328044e-05], [-3.668755295488702e-11, 1.895404685569557e-09, 4.5345554783280446e-05, 1.4700087879868213e-05]]}