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Map
Map[
f
,
expr
] or f
/@
expr applies f to each element on the first level in expr.
Map[
f
,
expr
,
levelspec
] applies f to parts of expr specified by levelspec.
Examples: Map[f,
a, b, c
] ; Map[f, a + b + c].
Level specifications are described in Section A.3.6.
The default value for levelspec in Map is {1}.
Examples: Map[f,
a,b
,
c,d
]; Map[f,
a,b
,
c,d
, 2]; Map[f,
a,b
,
c,d
, -1].
See the Mathematica book: Section 2.2.4.
See also: Apply, Scan, Level, Operate, MapThread.
Further Examples
This reverses each of the pairs in the list.
In[1]:= 
Out[1]= 
This maps the function f only at the second level.
In[2]:= 
Out[2]= 
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. | | | |
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