{"coeffs": [-4.745075711930394e-06, 7.155183648350791e-05, 0.4281830124375754, 0.19703587087373411], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.831906961204743e-07, 2.0897868721989135e-06, 0.00898725510687729, 0.00777447524770116], "covariance": [[4.667495272655783e-13, -1.1945167629004667e-12, -4.106627165229543e-09, -5.002735026051405e-09], [-1.1945167629004679e-12, 4.367209171214918e-12, 1.8090108010337918e-08, 1.5552827886750876e-08], [-4.10662716522955e-09, 1.809010801033792e-08, 8.077075435609193e-05, 6.020600750930805e-05], [-5.002735026051407e-09, 1.5552827886750866e-08, 6.020600750930799e-05, 6.0442465377118015e-05]]}