6.3.19  Sorting a list by decreasing order

The SortD command sorts a list or a matrix in decreasing order.

• SortD takes L, a list.
• If L is not a matrix, then SortA(L) returns a copy of L with the elements in decreasing order.
• If L is a matrix, then SortA(L) returns a copy of L with columns sorted according to decreasing order in the first row.

Examples