{"coeffs": [-8.495672359877556e-08, 0.23585492535922314, 1.7525288415541433, 0.1400651376870709], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.699888728093091e-07, 110.08944689137633, 65.90360147537598, 0.014104331904616825], "covariance": [[4.488850896882885e-13, -5.190176333091962e-05, -3.108120368044521e-05, -7.775671126502786e-09], [-5.190176334224674e-05, 12119.686316849169, 7255.290203154441, 1.4926300902923368], [-3.1081203687158255e-05, 7255.290203153444, 4343.284687425178, 0.8936657507908559], [-7.775671127360765e-09, 1.4926300901694558, 0.893665750717508, 0.0001989321784755921]]}