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DOCUMENTATION CENTER SEARCH
Mathematica
>
Numerical Functions
>
Built-in
Mathematica
Symbol
Numerical Precision
Tutorials »
|
Rationalize
Round
Clip
Accuracy
Floor
IntegerPart
N
Precision
SetPrecision
See Also »
|
Numerical Functions
Precision & Accuracy Control
More About »
Chop
Chop
[
expr
]
replaces approximate real numbers in
expr
that are close to zero by the exact integer
0
.
MORE INFORMATION
Chop
[
expr
,
delta
]
replaces numbers smaller in absolute magnitude than
delta
by
0
.
Chop
uses a default tolerance of
10
-10
.
Chop
works on both
Real
and
Complex
numbers.
EXAMPLES
CLOSE ALL
Basic Examples
(1)
Zero out elements that are very close to 0:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
Scope
(2)
Applications
(2)
Properties & Relations
(1)
SEE ALSO
Rationalize
Round
Clip
Accuracy
Floor
IntegerPart
N
Precision
SetPrecision
TUTORIALS
Numerical Precision
MORE ABOUT
Numerical Functions
Precision & Accuracy Control
New in 1
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Scope 