Swaps rows i and j of a matrix and returns the modified matrix, or swaps elements i and j of a vector and returns the modified vector.
Level 3 | Level 2 | Level 1 | -> | Level 1 |
---|---|---|---|---|
[[ matrix ]]1 | nrowi | nrowj | -> | [[ matrix ]]2 |
[ vector ]1 | nelementi | nelementj | -> | [ vector ]2 |