NHoldAll

NHoldAll

is an attribute that protects all arguments of a function from numeric evaluation.

Examples

>> N(f(2, 3))
f(2.0,3.0)

>> SetAttributes(f, NHoldAll)
>> N(f(2, 3))
f(2,3)

Related terms

Attributes, ClearAttributes, Constant, Flat, HoldAll, HoldFirst, HoldRest, Listable, NHoldFirst, NHoldRest, Orderless, SetAttributes