Hello everyone,
currently I work my way through Iverson's book on arithmetic, because
I'm interested in how J works as a mathematical notation. However, in
exercise B2 (Chapter 3), I struggle with a sentence, given as part of
the exercise:
cl =: i.&1@<
It seems to do the same as this sentence:
mycl =: <~
So, though cl is most likely very simple, I just seem to understand what
it does, but I don't seem to get my head around how it does this.
Therefore I'd very much appreciate, if someone could explain to me, how
cl works.
Thank you very much in advance!
Best regards,
Thomas
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