{"coeffs": [-4.142751424542655e-07, 0.2955346043712231, 1.998733661407972, 0.15986160520976941], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.7466780450528525e-07, 194.1551153798216, 106.10046168465105, 0.013781086343056052], "covariance": [[2.2530952463386772e-13, -6.996764818764104e-05, -3.824287617224513e-05, -5.680813854227282e-09], [-6.996764818431819e-05, 37696.208828151845, 20599.946492816278, 2.582093097277273], [-3.824287617018953e-05, 20599.946492816725, 11257.307969696105, 1.4111556052652083], [-5.6808138541037075e-09, 2.5820930973293263, 1.4111556052937217, 0.00018991834079476604]]}