(a) Let A be an n n matrix. Which is faster to compute, A1 or A-1?...

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(a) Let A be an n × n matrix. Which is faster to compute, A1 or A-1? Justify your answer.
(b) What about A3 versus A-1?
(c) How many operations are needed to compute Ak?

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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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Question Posted: Jun 17, 2016 08:26 AM

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(a) Let A be an n n matrix. Which is faster to compute, A1 or A-1?...

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a For a general matrix A each entry of A 2 requires n multiplications and n 1 additions ...View the full answer

Applied Linear Algebra

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