{"coeffs": [-2.5877988584872987e-07, 3.8713532837473065e-05, 0.42099718620648247, 0.10240884311400524], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0095359625568204e-07, 5.448864010671696e-07, 0.0033589744384685143, 0.0021503877856577872], "covariance": [[1.019162859695526e-14, -2.8191542814612248e-14, -1.1179891412395892e-10, -1.520863651133824e-10], [-2.819154281461224e-14, 2.9690119006793234e-13, 1.7460311366935861e-09, 1.0392008060958982e-09], [-1.1179891412395901e-10, 1.7460311366935863e-09, 1.1282709278284871e-05, 5.804070080976346e-06], [-1.5208636511338243e-10, 1.039200806095898e-09, 5.8040700809763435e-06, 4.624167628706202e-06]]}