{"coeffs": [-1.2036277281638435e-06, 8.332048678509794e-05, 0.419925408546256, 0.13027591034828942], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.498912954524089e-07, 1.3450599474619581e-06, 0.004405151418663504, 0.002761985889850666], "covariance": [[6.24456595428831e-14, -2.1621607627214087e-13, -5.442867876838848e-10, -5.60934867652982e-10], [-2.1621607627214082e-13, 1.8091862622663655e-12, 5.754690163776472e-09, 3.405335275278488e-09], [-5.442867876838849e-10, 5.754690163776472e-09, 1.9405359021353084e-05, 1.0346485141931802e-05], [-5.60934867652982e-10, 3.4053352752784884e-09, 1.0346485141931802e-05, 7.6285660557341754e-06]]}