{"coeffs": [-2.8061134591429765e-06, 6.390441086752565e-05, 0.34332720580071896, 0.14878268121629307], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.3069612817057586e-07, 1.1182909094467208e-06, 0.0048355835799867766, 0.004526629895377442], "covariance": [[1.8549915482112512e-13, -3.423402594310433e-13, -7.973819307895504e-10, -1.707695556179536e-09], [-3.423402594310431e-13, 1.2505745581511739e-12, 4.887505768447729e-09, 4.651477667850561e-09], [-7.973819307895489e-10, 4.8875057684477275e-09, 2.3382868559037732e-05, 1.5759695346521596e-05], [-1.7076955561795353e-09, 4.6514776678505616e-09, 1.575969534652161e-05, 2.049037820972479e-05]]}