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gibson:teaching:fall-2016:math753:lu-pivoting

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 gibson:teaching:fall-2016:math753:lu-pivoting [2016/10/06 11:18]gibson gibson:teaching:fall-2016:math753:lu-pivoting [2016/10/06 11:18] (current)gibson Both sides previous revision Previous revision 2016/10/06 11:18 gibson 2016/10/06 11:18 gibson 2016/10/06 11:17 gibson 2016/10/06 11:16 gibson created 2016/10/06 11:18 gibson 2016/10/06 11:18 gibson 2016/10/06 11:17 gibson 2016/10/06 11:16 gibson created Line 7: Line 7: \end{equation*} \end{equation*} - The permutation matrix $P$ is crucial to suppressing accumulation of rounding errors in the computation. It's so important that **nobody ever uses LU decomp without pivoting** ($A=LU$) in practice.** + The permutation matrix $P$ is crucial to suppressing accumulation of rounding errors in the computation. It's so important that **nobody ever uses LU decomp without pivoting (A=LU) in practice.** Here a links to a few good online resources for the LU decomposition Here a links to a few good online resources for the LU decomposition