{"coeffs": [-1.420927268285247e-07, 1.4462191901356042e-05, 0.6210299980894556, 0.0972639157722473], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6375891711135857e-08, 1.0979338890886953e-06, 0.013875300018952715, 0.0037018766620855047], "covariance": [[6.956876635575653e-16, -1.5236026706397333e-14, -1.9110044895699714e-10, -6.56907620514016e-11], [-1.5236026706397317e-14, 1.2054588248094275e-12, 1.5186251785051565e-08, 3.796922895536201e-09], [-1.911004489569972e-10, 1.5186251785051565e-08, 0.00019252395061594918, 4.8612159604862775e-05], [-6.569076205140171e-11, 3.7969228955362e-09, 4.861215960486276e-05, 1.3703890821293319e-05]]}