{"coeffs": [-8.664081469649372e-07, 0.6843543785041436, 1.881507692938691, 0.13738056291755837], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.767103054711768e-07, 1475.8532233659855, 297.72736797386, 0.02117682115440363], "covariance": [[9.539630208135994e-13, -0.0010019902329149544, -0.00020216125706610434, -1.6866533692794923e-08], [-0.0010019902326743322, 2178142.7369197696, 439401.8884476992, 30.028929795459046], [-0.00020216125701677992, 439401.88844772516, 88641.58564064222, 6.0581244804085195], [-1.6866533690722898e-08, 30.02892979826947, 6.0581244809751045, 0.0004484577542055971]]}