)CLEAR
CLEAR WS
⎕IO
1
a←b←5 5⍴⍳25
a[⍳5;]←b
a←b←⍕a
a
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
⍴a
5 14
a[⍳5;]←b
LENGTH ERROR
a[⍳5;]←b
^ ^Of course the numeric one is the correct one. Blake
