Designed with optimum rowing form in mind, the Echelon Row provides a low-impact, total-body workout that targets more than 85% of muscles! Foldable design, sophisticated engineering, and a rotating console that holds your smart device in place — the Echelon Row has everything you need for an effective workout.

Every matrix can be put in row echelon form by applying a sequence of elementary row operations. The term echelon comes from the French "échelon" ("level" or step of a ladder), and refers to the fact that the nonzero entries of a matrix in row echelon form look like an inverted staircase.

A rectangular matrix is in row echelon form if it has the following three properties: All nonzero rows are above any rows of all zeros Each leading entry of a row is in a column to the right of the leading entry of the row above it All entries of a column below a leading entry are zeros This matrix is in row echelon form: