{"coeffs": [-4.144000228505229e-06, 7.777900623658059e-05, 0.35464824642656684, 0.1628227081807126], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.802530539703243e-07, 2.181566322603343e-06, 0.008010459992242626, 0.00725003117291789], "covariance": [[6.087948282300178e-13, -1.2773809503104105e-12, -3.0075209837467388e-09, -5.0798907483421826e-09], [-1.2773809503104105e-12, 4.759231619917073e-12, 1.623405479021171e-08, 1.474256364622919e-08], [-3.0075209837467388e-09, 1.623405479021171e-08, 6.416746928731974e-05, 4.493889523412312e-05], [-5.0798907483421826e-09, 1.474256364622919e-08, 4.493889523412312e-05, 5.2562952008281157e-05]]}