Difference between revisions of "Unique Command"

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<noinclude>{{Manual Page|version=4.0}}</noinclude>
 
<noinclude>{{Manual Page|version=4.0}}</noinclude>
 
{{command|list}}
 
{{command|list}}
;Unique[<List L>]
+
;Unique[ <List L> ]
 
: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]].
 
: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]].
: {{Example|1=&nbsp;
+
:{{example|1=<div>
:* <code>Unique[{1, 2, 4, 1, 4}]</code> returns "{1, 2, 4}".  
+
:* <code><nowiki>Unique[{1, 2, 4, 1, 4}]</nowiki></code> yields "{1, 2, 4}".  
:* <code>Unique[{"a", "b", "Hello", "Hello"}]</code> returns ''{"Hello","a","b"}''.}}
+
:* <code><nowiki>Unique[{"a", "b", "Hello", "Hello"}]</nowiki></code> yields ''{"'Hello", "a", "b"}''.</div>}}
 
==CAS Syntax==
 
==CAS Syntax==
;Unique[<List L>]
+
;Unique[ <List L> ]
 
:Returns a list where each element of L occurs only once.
 
:Returns a list where each element of L occurs only once.
 
+
:{{example|1=<div><code><nowiki>Unique[{1, x, x, 1, a}]</nowiki></code> yields ''{1, x, a}''. </div>}}
: {{Example|1=&nbsp;
 
:* <code>Unique[{1, x, x, 1, a}]</code> returns "{1, x, a}". }}
 

Revision as of 11:34, 6 September 2011



Unique[ <List L> ]
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.
Example:
  • Unique[{1, 2, 4, 1, 4}] yields "{1, 2, 4}".
  • Unique[{"a", "b", "Hello", "Hello"}] yields {"'Hello", "a", "b"}.

CAS Syntax

Unique[ <List L> ]
Returns a list where each element of L occurs only once.
Example:
Unique[{1, x, x, 1, a}] yields {1, x, a}.
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