{"coeffs": [-2.3454852731935467e-06, 0.0038962835295741267, 3.633354576628095, 0.5127949515900051], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.52251652099635e-06, 0.5971932781654459, 80.58659300701437, 0.2622951290391175], "covariance": [[2.3180565567068292e-12, -8.848838706720599e-07, -0.00011946217561739984, -3.9631154535264954e-07], [-8.848838708217301e-07, 0.35663981148599166, 48.12567840008767, 0.1556535892746906], [-0.00011946217563743339, 48.12567840001862, 6494.198972478177, 21.008864041392947], [-3.9631154538624186e-07, 0.15565358926188552, 21.008864039695144, 0.0687987347176473]]}