⍝ Partitioned reduction: ⎕io←1 2 3 3 2 +pred ⍳10 3 12 21 19 1 2 1 ×pred 2 3 4⍴⍳24 1 6 4 5 42 8 9 110 12 13 210 16 17 342 20 21 506 24 1 2 1,pred 3 4⍴⍳12 ┌─┬─────┬──┐ │1│2 3 │4 │ ├─┼─────┼──┤ │5│6 7 │8 │ ├─┼─────┼──┤ │9│10 11│12│ └─┴─────┴──┘ ⍝∇ pred Back to: code Back to: Workspaces