{"coeffs": [-3.2024373132906905e-06, 0.3163210534973367, 2.1421923987772753, 0.19620410234351113], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.6046710619480747e-06, 88.77466921490551, 55.66499030192386, 0.018406758780924636], "covariance": [[2.574969217053562e-12, -0.0001184095628626961, -7.427231844709496e-05, -2.719672189385044e-08], [-0.00011840956286754982, 7880.941894215894, 4941.640204523194, 1.5875413491774917], [-7.427231845007166e-05, 4941.640204522994, 3098.591145313277, 0.9955928079056761], [-2.719672189447376e-08, 1.5875413491513128, 0.9955928078892872, 0.0003388087688191462]]}