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Talk:Triangular matrix

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This is an old revision of this page, as edited by Rriegs (talk | contribs) at 04:11, 5 May 2007 (Inverses/products of triangular matrices). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

This is my first edit and I'm unsure of whether what i've done is right... could someone please confirm for me? The main edit was atomic lower/upper inverses TheFlyingPengwyn 06:46, 30 Mar 2005 (UTC)

Replied on User talk:TheFlyingPengwyn. -- Jitse Niesen 16:01, 30 Mar 2005 (UTC)

Inverses/products of triangular matrices

The article clearly states that products of upper triangular matrices are upper triangular, but it doesn't make the similar (and also true) claim about lower triangular matrices. Further, I only vaguely get the impression that the inverses of upper/lower triangular matrices remain upper/lower triangular. We should probably state these properties more directly, and perhaps clean up the article in general. --Rriegs 04:11, 5 May 2007 (UTC)[reply]

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