DocumentationMathematicaBuilt-in FunctionsLists and MatricesStructure Manipulation
Order
Order[, ] gives 1 if is before in canonical order, and -1 if is after in canonical order. It gives 0 if is identical to .
Examples: Order[a, b] ; Order[b, a] . Order uses canonical order as described in the notes for Sort. See Section 2.2.10. See also: Equal, SameQ, Sort. New in Version 1.
Further Examples
Order[
, 
] gives 1 if 
is before 
in canonical order, and -1 if 
is after 
in canonical order. It gives 0 if 
is identical to 
. 
; Order[b, a] 
. 
![[ja]](/common/images2003/lang_bottom_ja.gif)