{"coeffs": [4.2054886250971827e-07, 0.4099023187491356, 2.2418370812541575, 0.17169043062934664], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.739236925639878e-07, 1314.4369879435505, 553.1532041097574, 0.03217163912407689], "covariance": [[4.5417314339908036e-13, -0.0006967308096904154, -0.00029323024409400554, -1.9279801548456253e-08], [-0.0006967308091043318, 1727744.5952741136, 727085.0244474682, 40.90349920605461], [-0.00029323024384712984, 727085.0244476019, 305978.46721689095, 17.21400612838825], [-1.9279801540338554e-08, 40.90349922023141, 17.214006134350672, 0.001035014363929835]]}