Let A = LU, where L is an invertible lower triangular matrix and U is upper triangular.
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Let A = LU, where L is an invertible lower triangular matrix and U is upper triangular. Explain why the first column of A is a multiple of the first column of L. How is the second column of A related to the columns of L?
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If A LU then col1A Lcol 1 U Since col1U has a zero in every entry except possibly the first Lco...View the full answer
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Related Book For
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald
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