{"coeffs": [-1.6769079073486883e-06, 0.00011013703218203696, 0.5493815096913698, 0.17950693821153255], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.667154643010475e-07, 3.8239671406193115e-06, 0.011544720964297482, 0.004281264038524605], "covariance": [[7.113713889732332e-14, -8.012963760584478e-13, -2.364201194626754e-09, -1.0306661537120234e-09], [-8.012963760584484e-13, 1.4622724692536236e-11, 4.405046543252479e-08, 1.5643599974294468e-08], [-2.364201194626754e-09, 4.405046543252479e-08, 0.0001332805821434898, 4.713538547761712e-05], [-1.0306661537120238e-09, 1.564359997429447e-08, 4.713538547761713e-05, 1.8329221767564016e-05]]}