{"coeffs": [-1.3143303785305193e-06, 5.5435551276750446e-05, 0.3986974499960677, 0.1441281307636841], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3090306467730704e-07, 5.616901181288547e-07, 0.0028980184992646917, 0.002032751067801346], "covariance": [[1.7135612341911228e-14, -5.106658607895881e-14, -1.96791558729061e-10, -2.2756232200955965e-10], [-5.10665860789588e-14, 3.1549578880360667e-13, 1.5693747473752558e-09, 1.055117450430059e-09], [-1.967915587290611e-10, 1.5693747473752558e-09, 8.398511222080376e-06, 4.9304387332165635e-06], [-2.2756232200955965e-10, 1.055117450430059e-09, 4.9304387332165635e-06, 4.132076903647511e-06]]}