{"coeffs": [-9.613336179926916e-07, 6.184419710558199e-05, 0.43392157723073127, 0.13063301436896366], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7354822836467645e-07, 1.0704140009895066e-06, 0.004712508785277662, 0.002758970706875387], "covariance": [[3.011898756851789e-14, -1.197120720600834e-13, -4.2471810813222366e-10, -3.8816445773246545e-10], [-1.197120720600834e-13, 1.1457861335143634e-12, 4.932020152386523e-09, 2.7163379862476565e-09], [-4.2471810813222387e-10, 4.932020152386523e-09, 2.220773905131915e-05, 1.1287040405072065e-05], [-3.881644577324654e-10, 2.7163379862476565e-09, 1.1287040405072065e-05, 7.611919361396473e-06]]}