{"coeffs": [-6.925140093469637e-07, 0.0001519028613748016, 0.6300449406500045, 0.1336570129095763], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.26042878047463e-07, 4.0183345841182486e-06, 0.006510248283388728, 0.0017986821987487581], "covariance": [[1.5886807106487633e-14, -3.4521016300699325e-13, -5.583969879062861e-10, -1.856840920791325e-10], [-3.45210163006994e-13, 1.614701282992078e-11, 2.6104181946768934e-08, 6.839644172073152e-09], [-5.583969879062867e-10, 2.610418194676893e-08, 4.238333271136588e-05, 1.1183669590539893e-05], [-1.8568409207913258e-10, 6.839644172073147e-09, 1.1183669590539886e-05, 3.2352576520956667e-06]]}