{"coeffs": [-1.2437295823044872e-06, 0.1723184930926408, 2.23569981499675, 0.19114827142014348], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.7592189485457126e-07, 86.29729848024432, 96.70361964092308, 0.01584158940760538], "covariance": [[1.4131727103105132e-13, -2.670368371027076e-05, -2.992949190888827e-05, -5.450988731799781e-09], [-2.6703683705078726e-05, 7447.223724988379, 8345.260672974016, 1.3270312371832944], [-2.9929491903117866e-05, 8345.260672974939, 9351.590051656323, 1.4871751830417714], [-5.450988731253008e-09, 1.327031237293003, 1.487175183164611, 0.00025095595495915496]]}