discrete metric

== English == === Noun === discrete metric (plural discrete metrics) (mathematical analysis) a metric d such that for any pair of points x and y, d ( x , y ) = 0 {\displaystyle d(x,y)=0} if x = y {\displaystyle x=y} and d ( x , y ) = 1 {\displaystyle d(x,y)=1} if x ≠ y {\displaystyle x\neq y} . ==== Related terms ==== discrete topology ==== See also ==== trivial absolute value