{"coeffs": [4.754929329196877e-07, 2.8109022171664086e-05, 0.36578666610115607, 0.08856054921753502], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.822634533422012e-07, 2.6173421052966505e-06, 0.022789935498052364, 0.01879587107912456], "covariance": [[7.783888011033064e-13, -9.880620676930521e-13, -1.3651226120372823e-09, -1.0753718197856124e-08], [-9.880620676930521e-13, 6.850479696158703e-12, 5.077001791570719e-08, 4.0762187141529294e-08], [-1.365122612037281e-09, 5.077001791570719e-08, 0.0005193811600053873, 0.0002588187989222668], [-1.0753718197856123e-08, 4.076218714152929e-08, 0.0002588187989222668, 0.0003532847696230711]]}