[source] # Diagonal The Diagonal (a.k.a. *Chebyshev*) distance is a measure that constrains movement to horizontal, vertical, and diagonal. An example of a game that uses diagonal movement is chess. $$ {\displaystyle Diagonal(a,b)=\max _{i}(|a_{i}-b_{i}|)} $$ **Data Type Compatibility:** Continuous ## Parameters This kernel does not have any parameters. ## Example ```php use Rubix\ML\Kernels\Distance\Diagonal; $kernel = new Diagonal(); ```