{"coeffs": [-1.0933048415047159e-07, 0.04681605010427383, 1.2324876764417843, 0.0708274711201121], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.3449732590728834e-08, 12.34150268544329, 18.64500030100072, 0.002132853232682956], "covariance": [[1.8089530676211339e-16, -7.062593067998729e-08, -1.067304267330668e-07, -1.549055464412773e-11], [-7.062593067260029e-08, 152.31268853480393, 230.10731149469387, 0.025169976897102743], [-1.067304267222972e-07, 230.1073114947005, 347.636036224317, 0.038029084609886465], [-1.5490554643245115e-11, 0.02516997689786809, 0.03802908461103463, 4.549062912166135e-06]]}