list f ⍨ ←

General APL language issues

list f ⍨ ←

Postby Phil Last on Thu Nov 30, 2017 2:51 pm

I always but always get confused and have to try lots of things in the session before I get algorithms like these correct.
a b c↓⍨← . . .
a b c/⍨← . . .
a b c↓¨⍨← . . .
a b c/¨⍨← . . .
I can nowhere find any reference to this kind of assignment in the help. Is there such a page? Can we have one if not. One that explains why (2) above works but (0) doesn't even though (3) (which doesn't do at all what I expected) is nearer kin to (1) that it is to (0). (if you know what I mean.)

Actually, having composed the above I'm so conversant with it that I probably won't need the page. For at least a couple of days. But posting anyway in case anyone else is confused.
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Phil Last
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Re: list f ⍨ ←

Postby JohnS|Dyalog on Fri Dec 01, 2017 6:32 am

I agree this should be spelled out more in the help:

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