{"coeffs": [7.940032731472148e-07, 2.163604626291682e-05, 0.4649994303724374, 0.06315315145831157], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.890928464899029e-07, 4.623108212678481e-06, 0.03746364604584275, 0.02342378674496596], "covariance": [[4.748489510835569e-13, -9.641363407956979e-13, -3.5467674620808713e-09, -7.555054251844612e-09], [-9.641363407956979e-13, 2.1373129546135226e-11, 1.618587157544535e-07, 9.158378006064219e-08], [-3.546767462080874e-09, 1.618587157544535e-07, 0.0014035247750481892, 0.0006721466141383186], [-7.555054251844612e-09, 9.158378006064218e-08, 0.0006721466141383185, 0.000548673785473643]]}