x =: ((<s,((<p,a){O),a) { F) (<s,p,a)} x
is a direct translation of what you wrote. Is that
what you want?
Henry Rich
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Brouwer,
> Roelof <[EMAIL PROTECTED]>
> Sent: Friday, November 10, 2006 4:27 AM
> To: General forum
> Subject: [Jgeneral] selection expression in J
>
> If I want
>
>
>
> X(s,p,a)<- F(s,O(p,a),a) s=0..ns-1 p=0..np-1 a=0..na-1
> O is np
> by na and O 's components have values 0..nv-1 ; F is ns
> by nv by na
> ; and X is ns by np by na
>
>
>
> What is an elegant J expression that will do the trick
>
>
>
> cheers
>
>
>
> Roelof
>
>
>
>
>
> Roelof K. Brouwer PhD PEng
>
> Professor
>
> Department of Computing Science
>
> School of Advanced Technologies and Mathematics
>
> Thompson Rivers University
>
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>
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