Question: (a) Let A be an m n matrix. Let ei denote the 1 n column vector with a single 1 in the jth

(a) Let A be an m Ã— n matrix. Let ei denote the 1 Ã— n column vector with a single 1 in the jth entry, as in (1.42). Explain why the product Aej equals the jth column of A.

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a The i th entry of Ae j is the product of the ith row of A with e j Since ... View full answer

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