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The choice of
is never bad because it achieves the
property
![$\displaystyle \vert \tilde{s}^T H \tilde{s} \vert \geq \frac{1}{2}
\frac{1}{\sqrt{n}} \sigma(H) \rho^2$](img799.png) |
(5.10) |
The proof will be skipped.
Frank Vanden Berghen
2004-04-19