{"coeffs": [-1.851942199693434e-08, 0.06146081701376512, 1.2141848105636945, 0.060403302915779375], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.391007272892538e-08, 1291.7532482730192, 1258.8558057061111, 0.02407735923509556], "covariance": [[1.1498930324810088e-15, -1.611300759479147e-05, -1.5703624206538832e-05, -3.8402214817001866e-10], [-1.611300759388534e-05, 1668626.454423896, 1626131.0734701122, 29.810469907980696], [-1.5703624205662428e-05, 1626131.0734701154, 1584717.9395599824, 29.051772014045074], [-3.840221481671875e-10, 29.81046990825411, 29.051772014326637, 0.0005797192277358415]]}