{"coeffs": [7.913928753614105e-07, 0.00012575333705173967, 0.7334644643140725, 0.19817580007632066], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.4912498893847797e-06, 0.00014272125751119746, 0.3838918078622621, 0.0879510661316906], "covariance": [[1.2188825790129237e-11, -4.1644611069810304e-10, -1.1327001028545768e-06, -2.854131953162457e-07], [-4.164461106981024e-10, 2.0369357345577534e-08, 5.4739587336022725e-05, 1.2143619381066913e-05], [-1.1327001028545742e-06, 5.473958733602273e-05, 0.147372920143756, 0.03291469856885184], [-2.854131953162456e-07, 1.2143619381066928e-05, 0.03291469856885188, 0.0077353900337010124]]}