UnDeclareNonCommutative

Description

UnDeclareNonCommutative[a, b, ...] undeclares a,b, ... to be noncommutative, i.e., DataType[a,b, ..., NonCommutative] is set to False.

See also:  DataType, DeclareNonCommutative.

Examples

DeclareNonCommutative[x]

As a side-effect of DeclareNonCommutative x is declared to be of DataType NonCommutative.

DataType[x,NonCommutative]

The inverse operation is UnDeclareNonCommutative.

UnDeclareNonCommutative[x]

DataType[x, NonCommutative]

DeclareNonCommutative[y, z]

DataType[y, z, NonCommutative]

UnDeclareNonCommutative[y, z]

DataType[y, z, NonCommutative]