{"coeffs": [2.45435781482916e-07, 0.3429198213729827, 1.4901463522086789, 0.0938519124641373], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.555786985351585e-07, 918.5189190162404, 252.77568490338115, 0.015651499580195797], "covariance": [[1.264362108519571e-13, -0.00017151426619526174, -4.720812677200075e-05, -3.626788996356009e-09], [-0.00017151426609809736, 843677.0045907627, 232179.24543533527, 13.73016765358378], [-4.7208126744894676e-05, 232179.24543535901, 63895.546878373425, 3.778732207455428], [-3.626788995321391e-09, 13.730167656127405, 3.7787322081537056, 0.00024496943910886916]]}