Join

Join[list1,list2,]
concatenates lists or other expressions that share the same head.

Join[list1,list2,,n]
joins the objects at level n in each of the .

DetailsDetails

  • The do not need to have head List, but must all have the same head.
  • Join works on Association objects, keeping the last value associated with any given key.
  • Join works on SparseArray objects by effectively concatenating the corresponding ordinary lists. »
  • Join[list1,list2,,n] handles ragged arrays by effectively concatenating all successive elements at level n in each of the . »
Introduced in 1988
(1.0)
| Updated in 2014
(10.0)