after some checking ...
even better...
using J's "apply" (128!:2)
(*:`+:`-:) (128!:2)&> (2 3 4)
NB. 4 6 2
as a J version of:
(`a`b`c)!(1 2 3)
On 2011-08-15 10:16, Henry Rich wrote:
> In J6.02, you can get the plot you want with
>
> load 'plot'
> plot _5 5;'y^2'
>
> I'm not sure how to answer your questions. A gerund is a boxed noun
> that contains a verb or list of verbs, created by using `
>
> gerund =: +`-`multiply`divide
>
> Henry Rich
>
> On 8/15/2011 5:08 AM, 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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>>
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