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Exercise 3.4.44

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The inputs to multiplication by an $m$ by $n$ matrix fill $R^{n}$ : dimension $n$ . The outputs (column space!) have dimension $r$ . The nullspace has $n - r$ special solutions. The formula becomes $r + (n - r) = n .$

mathchakra

2022-01-23 16:14

Exercise 3.4.44

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