Diagonal Ellipsis
⋱
Type it
| Unicode | U+22F1 | |
|---|---|---|
| LaTeX | \ddots | |
| HTML entity | ⋱ | |
| Character | ⋱ |
Meaning
Stands for entries left out along a diagonal of a matrix, running from the top left to the bottom right. Compare with Vertical Ellipsis and Centered Ellipsis.
How to read it
diag(a₁, ⋱, aₙ)
is read “the diagonal matrix with entries a one down to a n”.