 |
Union
Union[
,
, ... ] gives a sorted list of all the distinct elements that appear in any of the  .
Union[
list
] gives a sorted version of a list, in which all duplicated elements have been dropped.
If the  are considered as sets, Union gives their union.
Union[
,
, ... ] can be input in StandardForm and InputForm as    ... . The character can be entered as  un or \[Union].
The  must have the same head, but it need not be List.
Union[
, ... ,
SameTest->
test
] applies test to each pair of elements in the  to determine whether they should be considered the same.
See the Mathematica book: Section 1.8.7, Section 1.8.8.
See also: Join, Intersection, Complement, Split.
Further Examples
Here is the set-theoretic union of a list of elements.
In[1]:= 
Out[1]= 
This condenses the list and sorts it.
In[2]:= 
Out[2]= 
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. | | | |
| |
|
