## row matrix

### a matrix with only one row

A row matrix, also known as a row vector, is a matrix that has only one row and multiple columns. Thus, a row matrix can be represented in the form of [a1, a2, a3, …, an], where a1, a2, a3, …, an are the elements of the row matrix.

For example, consider the following row matrix:

[2 4 6 8]

This row matrix has one row and four columns. The elements of the row matrix are 2, 4, 6, and 8.

Row matrices are frequently used in linear algebra to represent vectors. In fact, a row matrix can be thought of as a horizontal vector, since it can be used to represent a vector that goes from left to right.

Row matrices can also be multiplied with other matrices using matrix multiplication. When a row matrix is multiplied with a column matrix (a matrix with only one column), the result is a scalar value, which can be useful in various applications, such as solving systems of linear equations using matrix methods.

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