{"coeffs": [4.759971161416131e-08, 8.533805688807946e-06, 0.6419734698034043, 0.0689970161490784], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.787239377025534e-08, 5.9856217705308795e-06, 0.07898385927136978, 0.012178146927419585], "covariance": [[7.768703344841687e-16, -6.431278019735218e-14, -8.754885883182443e-10, -1.7138433023235052e-10], [-6.43127801973529e-14, 3.582766797985322e-11, 4.7178959736615645e-07, 6.87530326970923e-08], [-8.754885883182529e-10, 4.7178959736615623e-07, 0.006238450025399547, 0.0009232462486513481], [-1.713843302323516e-10, 6.87530326970921e-08, 0.0009232462486513461, 0.00014830726258581906]]}