SEARCH MATHEMATICA 8 DOCUMENTATION

THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.

Mathematica > Numerical Data >

Union ()

Union[list₁, list₂, ...]
gives a sorted list of all the distinct elements that appear in any of the list_i.

Union[list]
gives a sorted version of a list, in which all duplicated elements have been dropped.

Union[list₁, list₂, ...] can be input in StandardForm and InputForm as list₁list₂.... The character can be entered as Esc un Esc or \[Union].

Union[list₁, ..., SameTest->test] applies test to each pair of elements in the list_i to determine whether they should be considered the same.

Give a sorted list of distinct elements:

Give a sorted list of distinct elements from all the lists:

Enter using Esc un Esc: