MapIndexed

Usage

• MapIndexed[f, expr] applies f to the elements of expr, giving the part specification of each element as a second argument to f.
• MapIndexed[f, expr, levspec] applies f to all parts of expr on levels specified by levspec.

Notes

• Example: MapIndexed[f,

a, b, c

]

• Level specifications are described in Section A.3.6.

• The default value for levelspec in MapIndexed is {1}.

• Example: MapIndexed[f,

a, b

c, d

, Infinity]

• See Section 2.2.4.

• See also: MapAt.

• New in Version 2.

Further Examples