{"coeffs": [-1.4146020114454213e-06, 4.74340399788123e-05, 0.43425238030530106, 0.1534345184656803], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.9441531399982975e-07, 2.2856429790850382e-06, 0.014332707889783258, 0.00850545127564111], "covariance": [[1.5556343991758431e-13, -6.517559364833862e-13, -3.4726358895172134e-09, -2.9175670375038517e-09], [-6.517559364833857e-13, 5.2241638278407285e-12, 3.220032593915226e-08, 1.8185897069337047e-08], [-3.4726358895172113e-09, 3.220032593915226e-08, 0.00020542651545385523, 0.00010833345617311497], [-2.9175670375038505e-09, 1.8185897069337047e-08, 0.00010833345617311498, 7.234270140230499e-05]]}