{"coeffs": [-9.99033090299535e-05, 3.9486722421569825e-08, -3.2084374968095806, 0.4379488069993557], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.8792727080721863, 8.437268525569631e-07, 3929.5384779152637, 8.245143006105181], "covariance": [[0.7731204951605961, -6.961233640394275e-07, 3455.1290102372295, -7.152143188095994], [-6.96123364029212e-07, 7.118750017256793e-13, -0.003113194312589347, 6.8162250158302675e-06], [3455.1290102369308, -0.003113194312635787, 15441272.649416607, -31974.02400964113], [-7.152143188044835, 6.816225015878168e-06, -31974.02400941526, 67.98238319112518]]}