Difference between revisions of "Unique Command"

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<noinclude>{{Manual Page|version=4.0}}</noinclude>
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<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|cas=true|list}}
{{command|list}}
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;Unique( &lt;List> )
;Unique[ <List L> ]
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:Returns list of elements of the given list in ascending order, repetitive elements are included only once. Works for both a list of numbers and a list of text.
:Returns list of elements of list L in ascending order, repetitive elements are included only once. Works for both a list of numbers and a list of text.  See also the [[Frequency Command|Frequency command]].
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:{{examples|1=<div>
:{{example|1=<div>
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:* <code><nowiki>Unique({1, 2, 4, 1, 4})</nowiki></code> yields ''{1, 2, 4}''.  
:* <code><nowiki>Unique[{1, 2, 4, 1, 4}]</nowiki></code> yields ''{1, 2, 4}''.  
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:* <code><nowiki>Unique({"a", "b", "Hello", "Hello"})</nowiki></code> yields ''{"'Hello", "a", "b"}''.</div>}}
:* <code><nowiki>Unique[{"a", "b", "Hello", "Hello"}]</nowiki></code> yields ''{"'Hello", "a", "b"}''.</div>}}
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{{Note|1=See also [[Frequency Command|Frequency command]].}}
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==CAS Syntax==
 
==CAS Syntax==
;Unique[ <List L> ]
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;Unique( &lt;List> )
:Returns a list where each element of L occurs only once.
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:Returns a list where each element of the given list occurs only once.
:{{example|1=<div><code><nowiki>Unique[{1, x, x, 1, a}]</nowiki></code> yields ''{1, x, a}''. </div>}}
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:{{example|1=<div><code><nowiki>Unique({1, x, x, 1, a})</nowiki></code> yields ''{1, x, a}''. </div>}}

Latest revision as of 10:59, 6 October 2017


Unique( <List> )
Returns list of elements of the given list in ascending order, repetitive elements are included only once. Works for both a list of numbers and a list of text.
Examples:
  • Unique({1, 2, 4, 1, 4}) yields {1, 2, 4}.
  • Unique({"a", "b", "Hello", "Hello"}) yields {"'Hello", "a", "b"}.
Note: See also Frequency command.

CAS Syntax

Unique( <List> )
Returns a list where each element of the given list occurs only once.
Example:
Unique({1, x, x, 1, a}) yields {1, x, a}.
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