Question: Let A e Rm' n , and let D be a diagonal matrix in Wn . Prove that the product AD is obtained by multiplying

Let A e Rm'

, and let D be a diagonal matrix in W""n

. Prove that the product AD is obtained by multiplying each element in a row of A by the corresponding element in the diagonal of D. Check with A = D =

2 0 0 0 - 3 0 0 0 7

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