{"coeffs": [-8.33449802729205e-06, 0.0004410035464877506, 0.8613643465385348, 0.2425046666962286], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3234056814819078e-06, 0.0001505317672501927, 0.12913324090009357, 0.023612617951209367], "covariance": [[5.398213960742407e-12, -3.1012772878403417e-10, -2.6941333642206387e-07, -5.25072461788098e-08], [-3.10127728784046e-10, 2.2659812951466192e-08, 1.9425507641168703e-05, 3.4702902690304066e-06], [-2.694133364220731e-07, 1.9425507641168662e-05, 0.0166753939053616, 0.002997046317449409], [-5.250724617881083e-08, 3.4702902690303473e-06, 0.0029970463174493656, 0.0005575557265097749]]}