Definition:Row Matrix

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A row matrix is a $1 \times n$ matrix:

$\mathbf R = \begin{bmatrix} r_{1 1} & r_{1 2} & \cdots & r_{1 n} \end{bmatrix}$

That is, it is a matrix with only one row.

Also known as

Some earlier sources can be seen referring to a row matrix as a row vector.

However, it is probably better not to use this terminology, as it can cause confusion between a matrix space and a vector space.

Also see