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IndependentUnit

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IndependentUnit[string]

represents a unit string with no relationship to other units within a Quantity.

Details

Examples

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

Represent an independent unit "Boxes" in a Quantity expression:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-hjyt1e
Out[1]=1

IndependentUnit specifications can be part of compound units:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-ehcxz4
Out[1]=1

Scope  (3)Survey of the scope of standard use cases

Use IndependentUnit specifications with Quantity:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-cqf1a
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-b0jvoi
Out[2]=2

Use IndependentUnit specifications with QuantityArray:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-c586e
Out[1]=1

Use IndependentUnit specifications with QuantityDistribution:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-pzfb49
Out[1]=1

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

Specify an IndependentUnit expression and convert between unit systems:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-w76dmo
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-i7v5x9
Out[2]=2

Properties & Relations  (4)Properties of the function, and connections to other functions

KnownUnitQ returns True for valid IndependentUnit specifications:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-jyoug
Out[1]=1

It returns False for invalid IndependentUnit specifications:

In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-4gziai
Out[2]=2
In[3]:=3
✖
https://wolfram.com/xid/0v5vdcm2zeqse-gc0yli
Out[3]=3

An independent unit is only compatible with itself:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-3j5mv
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-e69kkw
Out[2]=2

Known units are not compatible with IndependentUnit objects of the same name:

In[3]:=3
✖
https://wolfram.com/xid/0v5vdcm2zeqse-pcruz
Out[3]=3

An independent unit can only be converted to itself and multiples or submultiples of itself:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-2xbpb
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-mi8tz
Out[2]=2

The unit dimension of IndependentUnit[string] is IndependentUnitDimension[string]:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-t10rrz
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0v5vdcm2zeqse-0l8yhb
Out[2]=2

Possible Issues  (1)Common pitfalls and unexpected behavior

Each IndependentUnit[string] is unique and not compatible with other units:

In[1]:=1
✖
https://wolfram.com/xid/0v5vdcm2zeqse-srvay8
Out[1]=1
Wolfram Research (2012), IndependentUnit, Wolfram Language function, https://reference.wolfram.com/language/ref/IndependentUnit.html.
✖
Wolfram Research (2012), IndependentUnit, Wolfram Language function, https://reference.wolfram.com/language/ref/IndependentUnit.html.

Text

Wolfram Research (2012), IndependentUnit, Wolfram Language function, https://reference.wolfram.com/language/ref/IndependentUnit.html.

✖
Wolfram Research (2012), IndependentUnit, Wolfram Language function, https://reference.wolfram.com/language/ref/IndependentUnit.html.

CMS

Wolfram Language. 2012. "IndependentUnit." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/IndependentUnit.html.

✖
Wolfram Language. 2012. "IndependentUnit." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/IndependentUnit.html.

APA

Wolfram Language. (2012). IndependentUnit. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/IndependentUnit.html

✖
Wolfram Language. (2012). IndependentUnit. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/IndependentUnit.html

BibTeX

@misc{reference.wolfram_2025_independentunit, author="Wolfram Research", title="{IndependentUnit}", year="2012", howpublished="\url{https://reference.wolfram.com/language/ref/IndependentUnit.html}", note=[Accessed: 27-April-2025 ]}

✖
@misc{reference.wolfram_2025_independentunit, author="Wolfram Research", title="{IndependentUnit}", year="2012", howpublished="\url{https://reference.wolfram.com/language/ref/IndependentUnit.html}", note=[Accessed: 27-April-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_independentunit, organization={Wolfram Research}, title={IndependentUnit}, year={2012}, url={https://reference.wolfram.com/language/ref/IndependentUnit.html}, note=[Accessed: 27-April-2025 ]}

✖
@online{reference.wolfram_2025_independentunit, organization={Wolfram Research}, title={IndependentUnit}, year={2012}, url={https://reference.wolfram.com/language/ref/IndependentUnit.html}, note=[Accessed: 27-April-2025 ]}