Look out, it's a trap! 7 2 is a single word (a 2-item list). You have to separate the numbers.
7 (2)} y 0 1 7 3 4 Henry Rich On 8/19/2023 10:46 AM, 'PMA' via Programming wrote:
NB. Dear J gurus -- NB. I'm having trouble with x m} y NB. Given a character array, it works: y =: '01234' y =: '7' 2} y y 01734 NB. But with a numbers array, No: y =: 0 1 2 3 4 y =: 7 2} y |rank error | y=: 7 2} y y 0 1 2 3 4 NB. How can I fix this? NB. Thanks in advance! NB. Peter A. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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