{"coeffs": [-4.3161017161140005e-07, 0.2877512544531451, 2.052308571329757, 0.16702431542375257], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.16630692475828e-06, 412.7736433500491, 240.90930874578345, 0.03316107313898495], "covariance": [[1.3602718427391163e-12, -0.00037364257856837744, -0.00021811355192064726, -3.40920429269494e-08], [-0.00037364257866986185, 170382.08064447355, 99441.00851937354, 13.227663385151248], [-0.00021811355197982128, 99441.00851936112, 58037.29504037122, 7.720754304344221], [-3.4092042931753195e-08, 13.227663383700113, 7.720754303498024, 0.001099656771729109]]}