Difference between revisions of "RemoveUndefined Command"

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<noinclude>{{Manual Page|version=5.0}}</noinclude>
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<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|list}}
{{command|list}}
 
 
; RemoveUndefined[ <List> ]:Removes undefined objects from a list.
 
; RemoveUndefined[ <List> ]:Removes undefined objects from a list.
 
: {{Example| 1=<div><code>RemoveUndefined[Sequence[(-1)^i, i, -3, -1, 0.5]]</code> removes the second and fourth element of the sequence since expressions <math>(-1)^{1.5}</math> and <math>(-1)^{2.5}</math> are undefined and yields list ''{-1, 1, -1}.</div>}}
 
: {{Example| 1=<div><code>RemoveUndefined[Sequence[(-1)^i, i, -3, -1, 0.5]]</code> removes the second and fourth element of the sequence since expressions <math>(-1)^{1.5}</math> and <math>(-1)^{2.5}</math> are undefined and yields list ''{-1, 1, -1}.</div>}}
  
 
{{note| 1=<div>See also [[Remove Command]].</div>}}
 
{{note| 1=<div>See also [[Remove Command]].</div>}}

Revision as of 14:48, 10 August 2015


RemoveUndefined[ <List> ]
Removes undefined objects from a list.
Example:
RemoveUndefined[Sequence[(-1)^i, i, -3, -1, 0.5]] removes the second and fourth element of the sequence since expressions (-1)^{1.5} and (-1)^{2.5} are undefined and yields list {-1, 1, -1}.


Note:
See also Remove Command.
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