{"coeffs": [-6.663438844265795e-06, 0.00010220896976093762, 0.6779195419438779, 0.28066367714404306], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.907097067448527e-06, 0.00013147638318991892, 0.5895575922485277, 0.19051773617704532], "covariance": [[6.252218403405308e-11, -9.409935136111688e-10, -4.21520106852947e-06, -1.4576940679204366e-06], [-9.40993513611157e-10, 1.7286039336702392e-08, 7.748159966665193e-05, 2.450452552941362e-05], [-4.215201068529416e-06, 7.748159966665195e-05, 0.34757815457788116, 0.11001429190428749], [-1.4576940679204281e-06, 2.450452552941377e-05, 0.11001429190428812, 0.03629700779802624]]}