Definition:Matrix/Lower Triangular Elements

Definition
Let $\mathbf A = \left[{a}\right]_{m n}$ be a matrix.

The elements $a_{i j}: i > j$ are called the lower triangular elements.

Also known as
Some sources refer to lower triangular entries.

Also see

 * Definition:Upper Triangular Element
 * Definition:Diagonal Element


 * Definition:Lower Triangular Matrix
 * Definition:Upper Triangular Matrix