{"coeffs": [-4.770771811653352e-06, 8.911519406112087e-05, 0.5293708558988737, 0.2091722595622668], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.882915328715357e-07, 5.146478346668283e-06, 0.020703607867284403, 0.01103772211358301], "covariance": [[6.214035407969555e-13, -3.459216351784448e-12, -1.3150907030822468e-08, -8.226436719313101e-09], [-3.4592163517844493e-12, 2.6486239372725504e-11, 1.0602368943458498e-07, 5.481437720228215e-08], [-1.3150907030822463e-08, 1.0602368943458495e-07, 0.00042863937872228056, 0.00021591015734807637], [-8.226436719313101e-09, 5.481437720228215e-08, 0.00021591015734807642, 0.0001218313094566794]]}