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Line 63: ::::You are quite correct: reading through the article, the math typesetting looks like a general form lower triangular that's been normalized. Not good. I've extended the typesetting for the matrix <math>\mathbf{L}_i</math> to show all the lower diagonal zeros, and have added a section heading "special forms" to separate the paragraph from the general section on triangular matricies. [[User:Tom Lougheed\|Tom Lougheed]] 02:32, 12 August 2007 (UTC) ==Other false claim== The statement about simultaneous triangulation siis false without further assumption (like diagonability of one of the matrices) It is false that two commuting matrices have a common eigenvector, we can find a conter example using a direct sum of two nilpotent Jordan blocks of the same size for the first matrix and with the second matrix that permutes these blocks.

Talk:Triangular matrix: Difference between revisions