{"coeffs": [-7.459039413464365e-07, 3.290884342304049e-05, 0.518025393005084, 0.17888133250869376], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.587605255041027e-08, 3.896407130819318e-07, 0.0039417697015070585, 0.0016655448188417413], "covariance": [[1.2870911465997988e-15, -1.0970629081370288e-14, -1.065169196814292e-10, -5.401697930517629e-11], [-1.0970629081370243e-14, 1.518198852909963e-13, 1.5307229076524087e-09, 6.189242685497528e-10], [-1.0651691968142884e-10, 1.5307229076524083e-09, 1.5537548379719046e-05, 6.206603587009071e-06], [-5.401697930517622e-11, 6.189242685497537e-10, 6.206603587009082e-06, 2.774039543570569e-06]]}