{"coeffs": [-8.283767790467469e-07, 3.997672412382528e-05, 0.41249324130248544, 0.131509327901363], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.140450338954424e-07, 3.0702937435100035e-06, 0.02096409568196682, 0.013635234143249237], "covariance": [[3.7705130365165504e-13, -1.2221712460170681e-12, -6.267342117666639e-09, -6.85083179585971e-09], [-1.2221712460170671e-12, 9.42670367143667e-12, 6.22829887477331e-08, 3.8353404570112025e-08], [-6.267342117666636e-09, 6.22829887477331e-08, 0.00043949330776265976, 0.00024055837014677815], [-6.850831795859712e-09, 3.8353404570112045e-08, 0.00024055837014677826, 0.00018591961014122974]]}