{"coeffs": [-7.090842504115747e-07, 0.26936090876880503, 1.9226731842034621, 0.15778838072163442], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.46809534736404e-07, 129.75095747141046, 76.50848080019365, 0.01424486967575805], "covariance": [[4.183625742259235e-13, -6.328036754862621e-05, -3.732382664900865e-05, -7.963785278119353e-09], [-6.328036754639527e-05, 16835.31096474777, 9927.047823060553, 1.782938162561417], [-3.732382664786546e-05, 9927.047823060759, 5853.547634353601, 1.0514370766581558], [-7.963785277988205e-09, 1.7829381625861238, 1.051437076672564, 0.00020291631207933124]]}