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Introduction to Linear Algebra

Exercise 3.2.58

Answers

$R = [\begin{matrix} I & F \\ 0 & 0 \end{matrix}] = [\begin{matrix} r by r & r by n - r \\ m - r by r & m - r by n - r \end{matrix}];$
$rref (R^{T}) = [\begin{matrix} I & 0 \\ 0 & 0 \end{matrix}];$
$rref (R^{T} R) = same R .$

mathchakra

2022-01-23 14:07

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