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Jeremy gee
Jeremy gee
20:42
Is there a rule for when things need a jot and when they don't? I'm looking aplcart about cotangent.(÷3∘○)28 works but (÷3○)28 gives a syntax error.
Adám
Adám
@Jeremygee There isn't "a rule", but rather, it follows from all the rules.
In this case, ∘ binds 3 as constant left argument to ○
Jeremy gee
Jeremy gee
darn. I guess I will need to do more research
Adám
Adám
Since (÷3○) has a function as its last "thing", you have a function-array-function train, and that's always an error (in Dyalog APL).
That said, you can write ÷3○28 because this is just a normal sequence of function applications in a (non-tacit) expression.
Jeremy gee
Jeremy gee
This helps. Thanks!
Adám
Adám
tacit.help might also help.
Jeremy gee
Jeremy gee
20:55
nice! bookmarked!

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