mql5-skills/skills/mql5/references/docs/06-matrix/0387-matrix-matrix-classification-matrix-isdiagonal.md

IsDiagonal

Check if a square matrix is diagonal.

bool matrix::IsDiagonal();

Return Value

True if square matrix is diagonal.

Note

Diagonal matrix contains all zeros under and above the main diagonal.

Zero matrix of n-by-n size is diagonal.

Diagonal matrix

 
   v  0  0  0  0  0
   0  v  0  0  0  0
   0  0  v  0  0  0
   0  0  0  v  0  0
   0  0  0  0  v  0
   0  0  0  0  0  v