or (not as simple)

c=: (128!:2)&.><

g c"0 y

┌─┬───┬─┐

│9│0.5│1│

└─┴───┴─┘

Try removing "0


Le 2019-05-02 à 22:35, 'Rob Hodgkinson' via Programming a écrit :
> Hi Piet, not ignorant at all !
>
> Try using oblique (an obscure feature is that the u in u/. can be a gerund, 
> in which case it is evoked cell wise);
>
>    g=. *: ` -: `^
>    y=. 3 1 0
>    g /. y
> 9
> 0.5
> 1
>
> Found in Section 15 of https://www.jsoftware.com/books/pdf/brief.pdf 
> <https://www.jsoftware.com/books/pdf/brief.pdf>.
>
> HTH, Regards Rob
>
>> On 3 May 2019, at 10:59 am, pietdion <[email protected]> wrote:
>>
>> Hopefully not an ignorant question.
>>
>> Am looking for a simple (tacit, non complicated) construction (verb?
>> adverb? conjunction?) “c" that takes a gerund and applies the successive
>> verbs in the gerund to successive items.
>>
>> A simple example is
>>
>>     g=. *: ` -: `^
>>     y=. 3 1 0
>>     g  c  y
>> 9  0.5  1
>>
>> What “c”  achieves this for arbitrary gerunds g's and y’s?
>>
>> I realise this can be done in a variety of explicit ways and  with the
>> agenda construct.    All I can come up with is intricate constructions.
>> Looking for something simple and direct.   Seems to have a lot of uses.
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