{"coeffs": [-5.433792521740096e-06, 0.007997221404198045, 2.3109325237840848, 0.32746618409809586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.5752686916806257e-06, 0.24636948036224515, 10.452473569258338, 0.05610960898515204], "covariance": [[2.48147145098919e-12, -3.631986741914107e-07, -1.543254619730307e-05, -8.649006299833208e-08], [-3.6319867419142307e-07, 0.0606979208539627, 2.5751462270362437, 0.013632723503665503], [-1.5432546197302885e-05, 2.5751462270362433, 109.25420371604413, 0.5787976648057508], [-8.64900629983348e-08, 0.013632723503665498, 0.5787976648057508, 0.003148288220466655]]}