Oh, that parse table.

      ]A =: A , >:@:([ 3 :'echo A =: A , y')^:4 [ A =: , 0
0 0
0 0 1
0 0 1 2
0 0 1 2 3
0 4
      ]A =: A , ] >:@:([ 3 :'echo A =: A , y')^:4 [ A =: , 0
0 0
0 0 1
0 0 1 2
0 0 1 2 3
0 0 1 2 3 4

Henry Rich


On 7/19/2020 5:08 PM, David Lambert wrote:
At the end of this sentence I had hoped the global variable A would have
more items.

    A =: A , >:@:([ 3 :'echo A =: A , y')^:4 [ A =: , 0
0 0
0 0 1
0 0 1 2
0 0 1 2 3
    A       NB. The intermediate values we need are gone!
0 4

    JVERSION
Engine: j901/j64avx2/windows
Release-c: commercial/2020-01-11T13:29:14
Library: 9.01.22
Platform: Win 64
Installer: J901 install
InstallPath: c:/program files/j901
Contact: www.jsoftware.com

Thank you, David Lambert
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