• Alias: del. • Prefix operator. • f is by default interpreted as Del[f]. • Used in vector analysis to denote gradient operator and its generalizations. • Used in numerical analysis to denote backward difference operator. • Also called nabla. • Not the same as \[EmptyDownTriangle]. • See also: \[CapitalDelta] , \[PartialD] , \[Square] .
\[Del]
del
f is by default interpreted as Del[f]. 