{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

errata - turns-4 4409 e-016 for det A.” Sec 7.4 p 7 In...

This preview shows page 1. Sign up to view the full content.

ERRATA IN THE CLASS NOTES KIAM HEONG KWA Sec. 2.1, p. 1 Add the following before example 1. Warning! The MATLAB function det( A ) may return inaccu- rate results due to round-off error. For instance, the matrix A = 1 2 3 3 2 1 1 1 1 has the row reduced echelon form 1 0 - 1 0 1 2 0 0 0 and thus det( A ) = 0 . Nevertheless, the MATLAB function det( A ) may return nonzero numerical values. On my machine, MATLAB re- turns
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: turns-4 . 4409 e-016 for det( A ) .” Sec. 7.4, p. 7 In the last paragraph right before example 5, replace “ k δ x kk x k ” with “ k δ x k k x k ”:-A is ill conditioned means small k δA k k A k may imply large k δ x k k x k .-A is well conditioned means small k δA k k A k always imply small k δ x k k x k . Date : July 13, 2011. 1...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online