{"coeffs": [-3.3668050937209424e-05, 0.0009209123922916877, 4.248274409650228, 1.3307828804165307], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.167993877938002e-05, 0.025111380362778768, 45.47792242179116, 3.4987170315043477], "covariance": [[3.8044148478280665e-09, -1.5418899420396781e-06, -0.0027942404689164303, -0.00021555270122294601], [-1.5418899420953924e-06, 0.0006305814237241512, 1.141984714066312, 0.08775945178742553], [-0.00279424046900983, 1.1419847140632475, 2068.2414278024557, 158.98587438793066], [-0.00021555270122684903, 0.08775945178585043, 158.98587438550464, 12.241020866538594]]}