Let R be a row-echelon form of an invertible n n matrix. Show that solving the

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Let R be a row-echelon form of an invertible n × n matrix. Show that solving the linear system Rx = b by back-substitution requires
n2/2 - n/2 multiplications and n2/2 - n/2 additions

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Elementary Linear Algebra with Applications

ISBN: 978-0471669593

9th edition

Authors: Howard Anton, Chris Rorres

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Question Posted: Jun 17, 2016 08:14 AM

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Let R be a row-echelon form of an invertible n n matrix. Show that solving the

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Since R is a rowechelon form of an invertible n n matrix it has ones ...View the full answer

Elementary Linear Algebra with Applications

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