{"coeffs": [-8.299046225204158e-07, 0.1529028314161723, 2.013147395835728, 0.17037318327759732], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.6420931801664385e-07, 40.83506831763634, 45.93678919985555, 0.009502114838854919], "covariance": [[6.980656372682004e-14, -8.455177253223222e-06, -9.51410665770391e-06, -2.227195045665143e-09], [-8.455177253443182e-06, 1667.5028045060271, 1875.831752083799, 0.3752223258016816], [-9.514106657918141e-06, 1875.8317520837672, 2110.1886019919657, 0.42214833123793066], [-2.227195045693542e-09, 0.3752223257977433, 0.4221483312335533, 9.029018641078684e-05]]}