{"coeffs": [-2.0694018989452092e-07, 2.659394129865687e-05, 0.5063633609054243, 0.1300495079115153], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.6157093161611786e-08, 4.7384951690274867e-07, 0.0046872079566079245, 0.0019268401725811152], "covariance": [[1.3073353858974735e-15, -1.0989455580580207e-14, -1.0110704812923202e-10, -5.539105348336204e-11], [-1.0989455580580213e-14, 2.2453336466896831e-13, 2.2068805805217134e-09, 8.51017592655313e-10], [-1.0110704812923215e-10, 2.2068805805217134e-09, 2.1969918428488632e-05, 8.347115206986525e-06], [-5.539105348336199e-11, 8.510175926553126e-10, 8.347115206986522e-06, 3.712713050672422e-06]]}