{"coeffs": [-1.065365002963642e-06, 5.5315835658567655e-05, 0.449150304077799, 0.13275729716945275], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.605800505531483e-07, 1.8611447019103077e-06, 0.00918322484829733, 0.004991297321968068], "covariance": [[6.790196274628132e-14, -3.1648315982901127e-13, -1.3184667447449113e-09, -1.0589895196601589e-09], [-3.164831598290114e-13, 3.463859601448808e-12, 1.6810412370380554e-08, 8.586109740308086e-09], [-1.3184667447449124e-09, 1.6810412370380554e-08, 8.433161861438551e-05, 4.061120680867359e-05], [-1.058989519660159e-09, 8.586109740308085e-09, 4.061120680867359e-05, 2.4913048956285606e-05]]}