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PartBehavior
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PartBehavior

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is an option to Query and related functions that specifies how nonexistent parts should be resolved.

Details

  • The following settings can be given:
  • Noneuse ordinary behavior of Part
    Automaticinvoke special rules for invalid i;;j, missing i, etc.

Examples

Basic Examples  (1)Summary of the most common use cases

The default option value PartBehavior->Automatic invokes special behavior for operators that would otherwise fail:

In[1]:=1
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https://wolfram.com/xid/0j0ac7ocpye47m-zsoa5k
Out[1]=1

Using PartBehavior->None specifies that the ordinary behavior of Part should be used:

In[2]:=2
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https://wolfram.com/xid/0j0ac7ocpye47m-les1jm
Out[2]=2
Wolfram Research (2014), PartBehavior, Wolfram Language function, https://reference.wolfram.com/language/ref/PartBehavior.html.
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Wolfram Research (2014), PartBehavior, Wolfram Language function, https://reference.wolfram.com/language/ref/PartBehavior.html.

Text

Wolfram Research (2014), PartBehavior, Wolfram Language function, https://reference.wolfram.com/language/ref/PartBehavior.html.

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Wolfram Research (2014), PartBehavior, Wolfram Language function, https://reference.wolfram.com/language/ref/PartBehavior.html.

CMS

Wolfram Language. 2014. "PartBehavior." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/PartBehavior.html.

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Wolfram Language. 2014. "PartBehavior." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/PartBehavior.html.

APA

Wolfram Language. (2014). PartBehavior. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/PartBehavior.html

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Wolfram Language. (2014). PartBehavior. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/PartBehavior.html

BibTeX

@misc{reference.wolfram_2025_partbehavior, author="Wolfram Research", title="{PartBehavior}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/PartBehavior.html}", note=[Accessed: 29-March-2025 ]}

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@misc{reference.wolfram_2025_partbehavior, author="Wolfram Research", title="{PartBehavior}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/PartBehavior.html}", note=[Accessed: 29-March-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_partbehavior, organization={Wolfram Research}, title={PartBehavior}, year={2014}, url={https://reference.wolfram.com/language/ref/PartBehavior.html}, note=[Accessed: 29-March-2025 ]}

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@online{reference.wolfram_2025_partbehavior, organization={Wolfram Research}, title={PartBehavior}, year={2014}, url={https://reference.wolfram.com/language/ref/PartBehavior.html}, note=[Accessed: 29-March-2025 ]}