hi .. novice here ..
if i understand correctly,
you could do something like:
(`a`b`c)!(1 2 3)
using J's "apply" (128!:2)
('*:';'+:';'-:') (128!:2)&> (2 3 4)
NB. 4 6 2
On 2011-08-15 10:08, Kim Kuen Tang wrote:
>
> Hi everyone,
>
> here are some newbie questions regarding the differences between j and kdb.
>
> Are verbs ( dyad or monad) first-class citizen in j?
> Is it possible to forward a verb to another verb?
> Is it possible to box a verb into list ?
> Is it possible to have a dictionary like the case in kdb? Something
> like : (`a`b`c)!(1 2 3)
>
> What i want to do in j is to program a verb (i will call it p) that will
> accept a monad and output a plot of this monad.
>
> For example:
>
> f=. 3: 0 'y^2'
> p=. (implementation)
>
> p f will output the plot of f between -5 and 5.
>
>
> Thanks for any comments and answers.
>
> Reagrds,
>
> Kim
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