{"coeffs": [-8.39637002835417e-08, 0.18101717757673455, 1.1970904879960416, 0.05859578675083375], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.305166578114315e-08, 375.1413487779237, 121.87261262775299, 0.004247393539696436], "covariance": [[1.092412610908389e-15, -4.662322755373597e-06, -1.514811661774253e-06, -6.720985611061929e-11], [-4.662322759792197e-06, 140731.03156291982, 45719.45606423999, 1.5285011695769828], [-1.5148116632609225e-06, 45719.456064236234, 14852.933708714336, 0.49658017349819483], [-6.720985614668721e-11, 1.5285011691972301, 0.4965801733748073, 1.8040351881055022e-05]]}