{"coeffs": [-1.8681268337865788e-07, 0.33763600915106123, 1.8576805322822025, 0.13623934127387996], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.6880898373632225e-07, 337.9392753537792, 136.88053789623117, 0.010702762035797923], "covariance": [[7.225826973735435e-14, -6.280422103795483e-05, -2.5442303284357597e-05, -2.3367026985784984e-09], [-6.280422103384198e-05, 114202.95382663739, 46257.30887712103, 3.474355254117907], [-2.544230328287294e-05, 46257.30887712176, 18736.281654761577, 1.4073500825371654], [-2.336702698498391e-09, 3.4743552541979774, 1.407350082569382, 0.0001145491151949173]]}