Gaussian Elimination ●Introduction Naive Gaussian Elimination .Limitations and Operation Counts ●LU factorization ●QR factorization Copyright©2011，NA⊙Yin Last Modification:Oct.2011 4 Gaussian Elimination • Introduction ⇒ Naive Gaussian Elimination • Limitations and Operation Counts • LU factorization • QR factorization Copyright c 2011, NAYin Last Modification: Oct. 2011 4