Prove that every unit lower triangular matrix is invertible and that its inverse is also unit lowers

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Prove that every unit lower triangular matrix is invertible and that its inverse is also unit lowers triangular.

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Linear Algebra A Modern Introduction

ISBN: 978-1285463247

4th edition

Authors: David Poole

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Question Posted: Apr 15, 2016 06:06 AM

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Prove that every unit lower triangular matrix is invertible and that its inverse is also unit lowers

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To invert L we rowreduce L I To do this we first add multiples of the first ...View the full answer

Linear Algebra A Modern Introduction

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