{"coeffs": [-1.2025170297943891e-05, 0.004542742661926868, 5.32723822827764, 0.9184906284092269], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.698725664605868e-05, 4.78331803282416, 1014.6065351117193, 8.371931386662244], "covariance": [[7.56678281880728e-09, -0.0004125633241789159, -0.08753687951630036, -0.0007266456690149418], [-0.00041256332412683086, 22.880131403140787, 4853.172209538424, 39.962359614401876], [-0.08753687950545287, 4853.172209549454, 1029426.4210914084, 8477.826191543823], [-0.0007266456689688003, 39.96235961688987, 8477.826192052295, 70.0892351429804]]}