{"coeffs": [-4.453880673513087e-06, 0.33854988656799884, 2.1865885217570145, 0.2021475068690586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.711028921810514e-06, 90.38891236219925, 54.255956784443796, 0.018199669498266548], "covariance": [[2.92761997127205e-12, -0.00012993340852931353, -7.801819293588549e-05, -2.8855397381396424e-08], [-0.0001299334085239357, 8170.1554780213355, 4904.136041564605, 1.5998249112981953], [-7.801819293275217e-05, 4904.136041564823, 2943.7088465954325, 0.9604326534569572], [-2.8855397380779446e-08, 1.5998249113265433, 0.9604326534739431, 0.0003312279698461337]]}