Mathematica > Core Language > Expressions > Structural Operations on Expressions > Reverse
BUILT-IN MATHEMATICA SYMBOL

Reverse

Reverse[expr]
reverses the order of the elements in expr.

Reverse[expr, n]
reverses elements at level n in expr.

Reverse[expr, {n1, n2, ...}]
reverses elements at levels , , ... in expr.

DetailsDetails

  • Reverse works on SparseArray objects, reversing the elements in the corresponding ordinary array.
  • Reverse[expr] is equivalent to Reverse[expr, 1].
  • For a matrix m, Reverse[m] reverses the order of the rows, and Reverse[m, 2] reverses the order of the columns.
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