[理工] 線性代數問題
98中正電機
ex7.(b) If H is a subspace of R3, then there is a 3*3 matrix A
such that H equals the column space of A
雖然想想這題應該是對的,但總覺得有點怪…這是說H若是R3的子空間,就會是某個3*3矩
陣的行空間對嗎?是否有什麼定理可以support呢?
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