{"coeffs": [-1.1806517765794323e-06, 0.0003895426880150766, 0.8305393408247845, 0.15156596296666264], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4557816991567e-07, 6.598067123431835e-05, 0.03705447744494424, 0.004219637524588933], "covariance": [[6.03086375391297e-14, -1.1951373373441117e-11, -6.8891913613057105e-09, -8.864516780394429e-10], [-1.195137337344093e-11, 4.3534489765312046e-09, 2.441936305542618e-06, 2.672438272946324e-07], [-6.889191361305604e-09, 2.4419363055426205e-06, 0.0013730342987178814, 0.00015194878716327562], [-8.864516780394377e-10, 2.672438272946338e-07, 0.0001519487871632763, 1.780534083891902e-05]]}