Let A M mxn (R) be such that AA T M m (R) is invertible.

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Let A ∈ M_mxn(R) be such that AA^T ∈ M_m(R) is invertible. Prove that A⁺ = A^T (AA^T)-, where A⁺ is the pseudo-inverse of A.

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Linear Algebra A Modern Introduction

ISBN: 978-1285463247

4th edition

Authors: David Poole

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Posted Date: May 12, 2020 04:34 PM

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Let A M mxn (R) be such that AA T M m (R) is invertible.

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Linear Algebra A Modern Introduction

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