{"coeffs": [-9.976042355022429e-08, 0.2673425651436688, 1.3034756221152766, 0.06913893718527658], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.3321637822027653e-08, 365.4509049178809, 94.79522401683369, 0.0031657235849634102], "covariance": [[1.1103315471423837e-15, -5.094543416293712e-06, -1.3216189711114148e-06, -5.606587083175839e-11], [-5.09454342046414e-06, 133554.36390529803, 34643.00023639507, 1.1065952252320739], [-1.3216189721339718e-06, 34643.0002363925, 8986.134496401683, 0.287050970081236], [-5.606587085544397e-11, 1.1065952249727442, 0.28705097001403396, 1.0021805816393585e-05]]}