{"coeffs": [-2.9153943054885276e-06, 4.8393007179583624e-05, 0.3851755000508781, 0.20200873466382566], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.53165118222312e-07, 1.1424868911347323e-06, 0.0076638734357673795, 0.006368523105157533], "covariance": [[1.2472560072897962e-13, -3.3410654686756275e-13, -1.8055031017672438e-09, -2.108421652374236e-09], [-3.3410654686756285e-13, 1.3052762964147057e-12, 8.460098609117017e-09, 6.95047238005606e-09], [-1.8055031017672432e-09, 8.460098609117017e-09, 5.873495603946089e-05, 4.2237606942259874e-05], [-2.108421652374236e-09, 6.950472380056059e-09, 4.2237606942259874e-05, 4.0558086540925346e-05]]}