{"coeffs": [-0.7709162570975144, -0.1042490524895434, -0.14632489664080892, 0.06673811858588694], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.201371736120075e-08, 9.282507959866401e-08, 5.211915489819114e-08, 4.7381219595389596e-08], "covariance": [[0.0036671413469813795, -0.0007681047042011971, 0.0008743455231296824, -0.0009837364955237488], [-0.0007681047042011968, 0.0037320990143056, 0.0008836366081826524, 0.001067717540970088], [0.0008743455231296824, 0.0008836366081826523, 0.001176568526804359, -1.8740412675074196e-06], [-0.0009837364955237488, 0.001067717540970088, -1.8740412675074353e-06, 0.0009723776481139655]]}