{"coeffs": [-4.344794656979069e-06, 0.24303740994813736, 2.7353436793621175, 0.26392353116004846], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.2258436536450725e-06, 136.82420005288424, 150.26405638576574, 0.043670875564407505], "covariance": [[4.954379970472045e-12, -0.000274985216979808, -0.0003020544614266045, -9.362211738820224e-08], [-0.00027498521697829416, 18720.861720111683, 20559.757281400798, 5.859977550482064], [-0.00030205446142498286, 20559.75728140091, 22579.286641504583, 6.43615564001198], [-9.362211738790944e-08, 5.859977550497008, 6.436155640027951, 0.0019071453725619642]]}