Difference between revisions of "Unique Command"

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;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]].
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: {{Example|1=&nbsp;
 +
:* <code>Unique[{1, 2, 4, 1, 4}]</code> returns "{1, 2, 4}".
 +
:* <code>Unique[{"a", "b", "Hello", "Hello"}]</code> returns ''{"Hello","a","b"}''.}}
 
==CAS Syntax==
 
==CAS Syntax==
 
;Unique[<List L>]
 
;Unique[<List L>]
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: {{Example|1=&nbsp;
 
: {{Example|1=&nbsp;
:* <code>Unique[{1, x, x, 1, a}]</code> gives you "{x, 1, a}". }}
+
:* <code>Unique[{1, x, x, 1, a}]</code> returns "{x, 1, a}". }}

Revision as of 11:35, 23 August 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}] returns "{1, 2, 4}".
  • Unique[{"a", "b", "Hello", "Hello"}] returns {"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}] returns "{x, 1, a}".
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