{"coeffs": [-4.423310617487723e-06, 0.0002172388599670396, 0.5914346849392885, 0.1672748746336616], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3333003746921e-06, 3.5268168260907345e-05, 0.050080223522722976, 0.01818611036237912], "covariance": [[5.444290638538295e-12, -6.414656216602542e-11, -8.915266128967754e-08, -3.81122054819898e-08], [-6.414656216602558e-11, 1.243843692479672e-09, 1.7624491753180321e-06, 6.124429542055474e-07], [-8.915266128967781e-08, 1.7624491753180323e-06, 0.0025080287880858954, 0.0008687048412527352], [-3.8112205481989825e-08, 6.124429542055466e-07, 0.0008687048412527339, 0.00033073461011263333]]}