{"coeffs": [-1.485806530804805e-05, 0.00014384516086263994, 0.290280414903554, 0.18953203916250547], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.26062415768547e-06, 6.7488391099703186e-06, 0.012125945350867423, 0.016772606896659912], "covariance": [[1.815291821305302e-11, -2.3243778492862936e-11, -1.3076255624154878e-08, -6.6777182308162e-08], [-2.324377849286293e-11, 4.5546829332264964e-11, 6.238506920658028e-08, 1.0680383362651146e-07], [-1.3076255624154868e-08, 6.238506920658027e-08, 0.00014703855065222328, 0.00011031853024003127], [-6.677718230816198e-08, 1.0680383362651145e-07, 0.00011031853024003127, 0.00028132034210988366]]}