{"coeffs": [-1.2116036854717318e-06, 5.547450136715171e-05, 0.49110272791966114, 0.1511732530644966], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.986345912271165e-07, 4.000011816015963e-06, 0.02123303395538017, 0.009594057453834706], "covariance": [[1.5890953732281024e-13, -1.1401100926670307e-12, -5.617019393014735e-09, -3.276844715509485e-09], [-1.1401100926670299e-12, 1.600009452826732e-11, 8.438799655301749e-08, 3.6096425199604804e-08], [-5.617019393014733e-09, 8.43879965530175e-08, 0.0004508417309503273, 0.00018864425411536633], [-3.2768447155094825e-09, 3.6096425199604804e-08, 0.0001886442541153663, 9.204593842748128e-05]]}