{"coeffs": [5.875764862510585e-08, 0.0371496025174691, 1.4588664047525266, 0.0940956250138663], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.448250572036945e-08, 127.03050190459501, 324.0356792534052, 0.01939549716596595], "covariance": [[1.9786933151627014e-15, -2.8408231891996894e-06, -7.247674343398452e-06, -5.424075643812256e-10], [-2.840823189789965e-06, 16136.748414133317, 41162.41439039364, 2.35113942204577], [-7.247674345055825e-06, 41162.414390392114, 104999.12142921568, 5.997717577581203], [-5.424075644428719e-10, 2.3511394218843655, 5.997717577167088, 0.00037618531031499323]]}