You should not become pregnant while you are using this medication. Atenolol may harm an unborn baby. If you become pregnant while using this medication, talk to your doctor right away about its risks and benefits. This medication passes into breast milk and may have undesirable effects on a nursing infant.
Dimensions of a Matrix. The number of rows and columns of a matrix, written in the form rowsÃcolumns. The matrix below has 2 rows and 3 columns, so its dimensions are 2Ã3. This is read aloud, two by three.. Note: One way to remember that R ows come first and C olumns come second is by thinking of RC Cola Â® .
In mathematics, a matrix (plural matrices) is a rectangular array âof numbers, symbols, or expressions, arranged in rows and columns âthat is interpreted and manipulated in certain prescribed ways.atrices which have a single row are called row vectors, and those which have a single column are called column vectors. A matrix which has the same number of rows and columns is called a square matrix. A matrix with an infinite number of rows or columns (or both) is called an infinite matrix.