{"coeffs": [-1.4337755562651078e-06, 5.8809780088116396e-05, 0.47539071815952466, 0.15375812712917916], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.152631082518721e-06, 1.8311827552094483e-05, 0.09308521157087656, 0.04541579651458462], "covariance": [[4.633820577425721e-12, -2.8499266875419047e-11, -1.321161226249366e-07, -8.45236308124385e-08], [-2.8499266875419057e-11, 3.353230282976466e-10, 1.690644755844258e-06, 7.819243624627391e-07], [-1.321161226249365e-07, 1.6906447558442574e-06, 0.00866485661319485, 0.0038845628435292983], [-8.452363081243846e-08, 7.819243624627389e-07, 0.0038845628435292988, 0.0020625945730541563]]}