Files
mql5-skills/skills/mql5/references/docs/06-matrix/0380-matrix-matrix-classification-matrix-islowertriangular.md
T
2026-06-23 21:47:51 +08:00

33 lines
598 B
Markdown
Raw Blame History

This file contains invisible Unicode characters
This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
# IsLowerTriangular
Check if a square matrix is lower triangular.
```
bool matrix::IsLowerTriangular();
```
Return Value
True if square matrix is lower triangular.
Note
Zero matrix of n-by-n size is triangular. Diagonal matrix is triangular. Bidiagonal matrix is triangular.
Check if upper triangular part above the main diagonal contains all zeros.
Lower triangular matrix
```
 
   v  0  0  0  0  0
   v  v  0  0  0  0
   v  v  v  0  0  0
   v  v  v  v  0  0
   v  v  v  v  v  0
   v  v  v  v  v  v
 
```