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Exercise 3.3.15

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If row 3 of $U$ has no pivot, that is a zero row. $Ux = c$ is only solvable provided $c_{3} = 0 . Ax = b$ might not be solvable, because $U$ may have other zero rows needing more $c_{i} = 0$

mathchakra

2022-01-23 15:01

Exercise 3.3.15

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