Do you mean this sort of thing? -

   g =:  (+/@:=)"0 1
   6 10 15 25 g i.20
1 1 1 0

Please note your example line looked at first sight as if you were working
on i.201 1 1 , at least in my mail handler,  Mozilla Thunderbird.

Mike



On 12/06/2019 14:27, JmageK wrote:
    (([: +/ =&6) , ([: +/ =&10) , ([: +/ =&15)) i.201 1 1

How can I generate the above code for abirary comparison to i.20(example input) 
without repeating myself? I get errors if I try any variations of the following
    f=: 3 : '([: +/ x=y)'
    2 f i.5| domain error

Thanks in advance.

JmageK


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