{"coeffs": [2.6818061458209373e-08, 0.02057720312553596, 1.2699170327642098, 0.07690977788145463], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [5.076695642537695e-08, 79.43406242389501, 296.27192353246727, 0.02564926757540357], "covariance": [[2.5772838646961217e-15, -1.7408606519889237e-06, -6.494570903366477e-06, -7.147015007799326e-10], [-1.7408606521308987e-06, 6309.770273163251, 23534.081838943006, 1.9456257620232853], [-6.4945709038801575e-06, 23534.08183894266, 87777.05267362815, 7.25728525150494], [-7.14701500806046e-10, 1.9456257619849096, 7.257285251362578, 0.0006578849271546488]]}