# X–Y–Z matrix

An X–Y–Z matrix ${\displaystyle A}$ will thus have components ${\displaystyle A_{i,j,k}}$ where
${\displaystyle 1\leq i\leq M,\ 1\leq j\leq N,\ 1\leq k\leq P}$
for some positive integers ${\displaystyle M,N,P.}$