{"coeffs": [-2.4125323374607496e-06, 6.391090512808245e-05, 0.3539951649166835, 0.14356891618016887], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.5122405949476846e-07, 1.0084358062343791e-06, 0.0043595226488284304, 0.0038322977395885043], "covariance": [[1.2335833996798465e-13, -2.4567620715969365e-13, -6.07361313008332e-10, -1.161564395028048e-09], [-2.456762071596936e-13, 1.016942775295582e-12, 4.035347614905024e-09, 3.5391428778841107e-09], [-6.073613130083316e-10, 4.035347614905024e-09, 1.9005437725648058e-05, 1.2398958050499148e-05], [-1.1615643950280477e-09, 3.5391428778841107e-09, 1.2398958050499148e-05, 1.4686505964855158e-05]]}