A square matrix is upper triangular if its only nonzero entries lie above, or on, the diagonal.

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A square matrix is upper triangular if its only nonzero entries lie above, or on, the diagonal. Show that the product of two upper triangular matrices is upper triangular. Does this hold for lower triangular also?

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Linear Algebra

ISBN: 9780982406212

1st Edition

Authors: Jim Hefferon

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Question Posted: Jun 01, 2016 02:05 AM

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A square matrix is upper triangular if its only nonzero entries lie above, or on, the diagonal.

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A matrix is upper triangular if and only if its i ...View the full answer

Linear Algebra

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