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Exercise 3.2.43

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$\begin{aligned} Invertible r by r submatrices \\ Use pivot rows and columns \end{aligned} S = [\begin{matrix} 1 & 3 \\ 1 & 4 \end{matrix}]$ and $S = [\begin{matrix} 1 \end{matrix}] and S = [\begin{matrix} 1 & 0 \\ 0 & 1 \end{matrix}] .$

mathchakra

2022-01-23 13:58

Exercise 3.2.43

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