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Parts of Expressions
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Built-in
Mathematica
Symbol
Applying Functions to Parts of Expressions
Working with Operators
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Map
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MapAt
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Functional Programming
Parts of Expressions
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MapAll
(//@)
MapAll
[
f
,
expr
]
or
f
//@
expr
applies
f
to every subexpression in
expr
.
MORE INFORMATION
MapAll
[
f
,
expr
]
is equivalent to
Map
[
f
,
expr
, {0,
Infinity
}]
.
MapAll
[
f
,
expr
,
Heads
->
True
]
applies
f
to heads in
expr
, and their parts.
EXAMPLES
CLOSE ALL
Basic Examples
(2)
Apply
f
to every subpart of an expression:
In[1]:=
Out[1]=
Alternative input form:
In[1]:=
Out[1]=
Generalizations & Extensions
(3)
Options
(1)
Applications
(1)
Properties & Relations
(3)
SEE ALSO
Map
ExpandAll
ReplaceAll
MapAt
TUTORIALS
Applying Functions to Parts of Expressions
Working with Operators
MORE ABOUT
Functional Programming
Parts of Expressions
New in 1
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Generalizations & Extensions 