{"coeffs": [-1.0152335720631722e-06, 0.36978850711035893, 1.8888786526962449, 0.15181435188350018], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.799601416692785e-07, 72.48588349628159, 29.90373539034855, 0.004964767802551823], "covariance": [[7.837768092348248e-14, -1.498204447473003e-05, -6.182367122787154e-06, -1.183819691740232e-09], [-1.4982044470597621e-05, 5254.203306236508, 2167.5985295734044, 0.34674868136133347], [-6.182367121073589e-06, 2167.5985295737214, 894.2333902959843, 0.14306441355324684], [-1.183819691579288e-09, 0.3467486813992292, 0.14306441356887717, 2.4648919333255253e-05]]}