{"coeffs": [-1.0202203783889708e-08, 0.2513280397164179, 1.3705787387746742, 0.07559562103092964], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.792590634098924e-08, 653.0137111474838, 197.17259268015775, 0.00629414781250577], "covariance": [[3.3554106254250573e-15, -1.6860061771036627e-05, -5.091253455507126e-06, -2.055460679647448e-10], [-1.686006177112136e-05, 426426.90694660944, 128756.40591342536, 3.9275801358809033], [-5.091253455526781e-06, 128756.40591342511, 38877.0313042154, 1.1859377195786986], [-2.0554606796227507e-10, 3.927580135854005, 1.1859377195707594, 3.961629668567117e-05]]}