Product of a Matrix and a Scalar

Sir SagarJuly 21, 20140

Product of a Matrix and a Scalar

The product of a scalar k and a matrix X is the matrix kX, each of whose elements

is k times the corresponding element of X.

For examples,

$(-3)\begin{bmatrix} 2 & -5\\ 1& 7 \end{bmatrix}=\begin{bmatrix} -6 & 15\\ -3& -21 \end{bmatrix}.$

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