{"coeffs": [-6.1882384040197895e-06, 0.00013706189634111725, 0.4448341424594088, 0.19219640660684337], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.664728347811074e-06, 1.9783410338667698e-05, 0.049077773038961665, 0.029580478506469485], "covariance": [[1.3430233863250086e-11, -5.882664795134527e-11, -1.3117533090599088e-07, -1.0027860897416549e-07], [-5.88266479513454e-11, 3.913833246281039e-10, 9.600705320468513e-07, 5.586061533885581e-07], [-1.311753309059913e-07, 9.600705320468515e-07, 0.0024086278064638323, 0.0013312785799377304], [-1.0027860897416558e-07, 5.586061533885574e-07, 0.0013312785799377285, 0.0008750047086717031]]}