{"coeffs": [-4.762313028566636e-06, 0.0002717263398509467, 0.7040646422739061, 0.22251080131803533], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4746007845777943e-06, 5.194486318046899e-05, 0.07124785328999825, 0.017167977673727727], "covariance": [[2.174447473877447e-12, -6.535573807460028e-11, -9.04676828864377e-08, -2.380090436654233e-08], [-6.535573807459998e-11, 2.6982688108376435e-09, 3.6980427119676564e-06, 8.648854454692014e-07], [-9.046768288643734e-08, 3.6980427119676577e-06, 0.005076256598433113, 0.001194082800026524], [-2.38009043665423e-08, 8.648854454692037e-07, 0.0011940828000265268, 0.00029473945740561374]]}