{"coeffs": [-3.6689955173964513e-06, 8.64228181180209e-05, 0.4690541575048685, 0.18047686739548047], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.609457622694761e-07, 3.01687937105467e-06, 0.011049839879475712, 0.007358353409915379], "covariance": [[4.368493006619788e-13, -1.6123959287375566e-12, -5.128035356777908e-09, -4.497734776313144e-09], [-1.612395928737551e-12, 9.101561139495222e-12, 3.2776711965757956e-08, 2.1150696279913953e-08], [-5.128035356777882e-09, 3.277671196575792e-08, 0.0001220989613620518, 7.32278638425473e-05], [-4.497734776313134e-09, 2.1150696279913983e-08, 7.322786384254747e-05, 5.414536490521329e-05]]}