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I rewrote this article to add some actual content. It could use some additional discussion of ILU with thresholds, which I don't know a whole lot a bot. Additionally, I think it belongs in the mathematics rather than the engineering portal. [[User:Compsonheir|Compsonheir]] ([[User talk:Compsonheir|talk]]) 19:22, 19 April 2014 (UTC)
:The current discussion regarding the ILU(k) is also incorrect. [[User:Poopbutt68|Poopbutt68]] ([[User talk:Poopbutt68|talk]]) 15:50, 19 June 2025 (UTC)
== Algorithm? ==
It would be nice if this article had an actual algorithm, and possibly a brief mention (especially for newbies to numerical linear algebra) that the incomplete LU factorisation becomes the incomplete Cholesky factorisation if the matrix is symmetric. [[Special:Contributions/24.116.219.204|24.116.219.204]] ([[User talk:24.116.219.204|talk]]) 14:28, 5 November 2023 (UTC)
:This is not necessarily true. It becomes the IC factorization if the matrix is symmetric, the structure of L and U and transposes of one another, and no approximations are used for one or the other. [[User:Poopbutt68|Poopbutt68]] ([[User talk:Poopbutt68|talk]]) 15:49, 19 June 2025 (UTC)
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