{"coeffs": [-5.570878986076563e-07, 6.733526137209917e-05, 0.43454877703815953, 0.11164692810028957], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8272040638950643e-07, 1.1524005041450926e-06, 0.004249933345582497, 0.0025082833793023092], "covariance": [[3.338674691114638e-14, -1.1798189931700027e-13, -3.238112214732031e-10, -3.3883377310853895e-10], [-1.1798189931700027e-13, 1.3280269219538638e-12, 4.75071207825125e-09, 2.60965963000382e-09], [-3.2381122147320283e-10, 4.75071207825125e-09, 1.8061933441894033e-05, 8.996477718642871e-06], [-3.3883377310853895e-10, 2.6096596300038204e-09, 8.996477718642874e-06, 6.291485510884213e-06]]}