Complexity Explorer Santa Few Institute

Vector and Matrix Algebra

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2.2 Matrix Operations » Quiz #9 Solution

Question 1:  AB =\begin{bmatrix} -2 & 1 \\ 0 & 4 \end{bmatrix} \begin{bmatrix} \ 0 & 1 \\ 1 & 0 \end{bmatrix} = \begin{bmatrix} (-2)(0) + (1)(1) & (-2)(1) + (1)(0) \\ (0)(0)+(4)(1) & (0)(1) + (4)(0) \end{bmatrix} = \begin{bmatrix} 1 & -2 \\ 4 & 0 \end{bmatrix}