{"coeffs": [-8.989001211005281e-09, 0.24197146010680434, 1.5198442409027744, 0.07887036447389273], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.4826419551446287e-08, 24708.54789352343, 8075.209672160301, 0.03694172775940491], "covariance": [[2.009407889802286e-15, -0.00048564681866534337, -0.00015872100968460762, -9.229317784347863e-10], [-0.0004856468120689699, 610512339.0065411, 199526704.9083285, 871.2664129736243], [-0.00015872100754816556, 199526704.9083701, 65209011.24935128, 284.7473983876675], [-9.229317717669572e-10, 871.2664164568712, 284.7473995256849, 0.001364691249849987]]}