{"coeffs": [-2.801644519819006e-06, 4.301267454761635e-05, 0.42294328710628787, 0.21358466961726627], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.793659794178953e-08, 3.2347315766021024e-07, 0.0026279479805270014, 0.0018447812592347756], "covariance": [[6.074113298740151e-15, -2.1279420135165077e-14, -1.5232754251763142e-10, -1.356641044879893e-10], [-2.1279420135165077e-14, 1.0463488372666722e-13, 8.363733927325836e-10, 5.7337752945481e-10], [-1.5232754251763142e-10, 8.363733927325836e-10, 6.906110588355946e-06, 4.4087112861215334e-06], [-1.356641044879893e-10, 5.7337752945481e-10, 4.4087112861215334e-06, 3.403217894423844e-06]]}