• ← Apply
• → MapAt

Map (/@)

WMA link

Map[f, expr] or f /@ expr

applies f to each part on the first level of expr.

Map[f, expr, levelspec]

applies f to each level specified by levelspec of expr.

• • f /@ {1, 2, 3}

• • #^2& /@ {1, 2, 3, 4}

Map f on the second level:

• • Map[f, {{a, b}, {c, d, e}}, {2}]

Include heads:

• • Map[f, a + b + c, Heads->True]