{"coeffs": [-5.1154074018886285e-09, 0.04804109425090469, 1.471234692571297, 0.09015802581448243], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [5.034199797334428e-08, 441.9352732580243, 832.9540499068477, 0.028856564881764656], "covariance": [[2.5343167599481994e-15, -1.0818698616869804e-05, -2.0392989452458826e-05, -8.872202970708998e-10], [-1.0818698612392659e-05, 195306.78574964462, 368111.77371120034, 12.169396532916519], [-2.039298944395808e-05, 368111.77371121565, 693812.4492562193, 22.937463653797593], [-8.872202968750537e-10, 12.169396534459128, 22.937463656698387, 0.0008327013367754933]]}