{"coeffs": [-3.6745398686213536e-06, 0.084540898518404, 3.106783407150967, 0.32318291163224033], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.543285134234292e-06, 163.4034026655129, 630.5684279602906, 0.27623261397012533], "covariance": [[4.281458034789148e-11, -0.0009988258836340692, -0.0038551895433647262, -1.767356071858228e-06], [-0.0009988258836591216, 26700.67200266775, 103037.01152320174, 44.500947537121455], [-0.003855189543463441, 103037.01152319828, 397616.5423403122, 171.74351899345848], [-1.7673560718833597e-06, 44.500947536643416, 171.74351899162502, 0.07630445702076827]]}