{"coeffs": [1.229088915967729e-06, 0.0004478645522486174, 0.9006508199133287, 0.1416890019486361], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5517210553245823e-06, 0.0013876096847192001, 0.5737224384311942, 0.0405505880068532], "covariance": [[2.4078382335376358e-12, -1.5253787959226777e-09, -6.470585709856051e-07, -5.219668924254915e-08], [-1.5253787959226777e-09, 1.925460637126518e-06, 0.0007954068038378889, 5.397947415944695e-05], [-6.470585709856025e-07, 0.0007954068038378886, 0.32915743635943545, 0.022566890963838612], [-5.2196689242548895e-08, 5.397947415944693e-05, 0.022566890963838612, 0.001644350187701546]]}