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HoldForm
HoldForm
[
expr
]
prints as the expression
expr
, with
expr
maintained in an unevaluated form.
MORE INFORMATION
HoldForm
allows you to see the output form of an expression without evaluating the expression.
HoldForm
has attribute
HoldAll
.
HoldForm
is removed by
ReleaseHold
.
»
EXAMPLES
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Basic Examples
(4)
Addition in held form:
In[1]:=
Out[1]=
An unevaluated assignment:
In[1]:=
Out[1]=
An unevaluated power:
In[1]:=
Out[1]=
Evaluate the expression by applying
ReleaseHold
:
In[2]:=
Out[2]=
Show a formula and its evaluation:
In[1]:=
Out[1]=
SEE ALSO
Hold
Defer
ToString
WriteString
TUTORIALS
Evaluation
Non-Standard Evaluation
String-Oriented Output Formats
MORE ABOUT
Evaluation Control
Mathematical Typesetting
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