{"coeffs": [-2.006883676024259e-07, 1.976711130061873, 2.177579952372211, 0.16547336540219246], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.3650228326793548e-06, 4529.775871802779, 380.7768174870708, 0.022612783022680792], "covariance": [[5.593332999094678e-12, -0.008277060706656599, -0.0006958419296280556, -4.69983538948166e-08], [-0.008277060698319528, 20518869.448766623, 1724833.622461029, 98.95682352856491], [-0.0006958419289326591, 1724833.62246141, 144990.98473558202, 8.318715123877736], [-4.6998353871099395e-08, 98.95682356905405, 8.318715127276072, 0.0005113379560308406]]}