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Unitize
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Unitize

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Unitize[x]

gives 0 when x is zero, and 1 when x has any other numerical value.

Details

Examples

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Basic Examples  (2)Summary of the most common use cases

Convert numerical values to zero or one:

In[1]:=1
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https://wolfram.com/xid/0cq01mu2-hy2kv
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0cq01mu2-emtreu
Out[2]=2

Replace values in a matrix with zeros or ones:

In[1]:=1
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https://wolfram.com/xid/0cq01mu2-mi3sq0
In[2]:=2
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https://wolfram.com/xid/0cq01mu2-kj1m8u
Out[2]=2

Show a plot that emphasizes structure:

In[3]:=3
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https://wolfram.com/xid/0cq01mu2-f9xcl
Out[3]=3

Applications  (1)Sample problems that can be solved with this function

Determine if a sparse matrix is structurally symmetric:

In[1]:=1
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https://wolfram.com/xid/0cq01mu2-thiqo
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0cq01mu2-eiinp
Out[2]=2
Wolfram Research (2007), Unitize, Wolfram Language function, https://reference.wolfram.com/language/ref/Unitize.html.
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Wolfram Research (2007), Unitize, Wolfram Language function, https://reference.wolfram.com/language/ref/Unitize.html.

Text

Wolfram Research (2007), Unitize, Wolfram Language function, https://reference.wolfram.com/language/ref/Unitize.html.

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Wolfram Research (2007), Unitize, Wolfram Language function, https://reference.wolfram.com/language/ref/Unitize.html.

CMS

Wolfram Language. 2007. "Unitize." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Unitize.html.

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Wolfram Language. 2007. "Unitize." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Unitize.html.

APA

Wolfram Language. (2007). Unitize. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Unitize.html

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Wolfram Language. (2007). Unitize. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Unitize.html

BibTeX

@misc{reference.wolfram_2025_unitize, author="Wolfram Research", title="{Unitize}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/Unitize.html}", note=[Accessed: 19-June-2025 ]}

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@misc{reference.wolfram_2025_unitize, author="Wolfram Research", title="{Unitize}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/Unitize.html}", note=[Accessed: 19-June-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_unitize, organization={Wolfram Research}, title={Unitize}, year={2007}, url={https://reference.wolfram.com/language/ref/Unitize.html}, note=[Accessed: 19-June-2025 ]}

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@online{reference.wolfram_2025_unitize, organization={Wolfram Research}, title={Unitize}, year={2007}, url={https://reference.wolfram.com/language/ref/Unitize.html}, note=[Accessed: 19-June-2025 ]}