{"coeffs": [-1.5612988561314633e-07, 1.1818230582734295, 1.923173778446586, 0.13326298452053512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.658452958561537e-07, 3434.162772813889, 388.789324715868, 0.015127715496750443], "covariance": [[4.4334995801376894e-13, -0.001558402477281422, -0.00017644465227796753, -8.094087215790957e-09], [-0.0015584024749751807, 11793473.95018078, 1335165.8177725822, 49.87584083755844], [-0.00017644465201497626, 1335165.817772855, 151157.13901302067, 5.646732391444585], [-8.094087209701532e-09, 49.87584086532988, 5.6467323945896855, 0.0002288477761506235]]}