Hi Roger;
Ok, I'm stumped: how does {iota}0 depend on {quad}io?
>: ...
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|\/| Randy A MacDonald | APL: If you can say it, it's done.. (ram)
|/\| [EMAIL PROTECTED] |
|\ | | The only real problem with APL is that
BSc(Math) UNBF'83 | it is "still ahead of its time."
Sapere Aude | - Morten Kromberg
Natural Born APL'er | Demo website: http://156.34.68.75/
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----- Original Message -----
From: "Roger Hui" <[EMAIL PROTECTED]>
To: "General forum" <[email protected]>
Sent: Friday, March 16, 2007 12:49 PM
Subject: Re: [Jgeneral] definition of a:
> I started using {rho}0 to denote the empty list
> in APL because (a) it is shorter than 0{rho}0
> (b) it does not depend on {quad}io like {iota}0
> does (c) it has right "type" where '' does not.
> >From APL to J {rho}0 got changed to $0.
>
> Of course strictly speaking it should be "an empty
> list" rather than "the empty list". But the
> differences between the various empty lists are
> more amusing than significant. When I was a mere
> pup I used to pester and annoy the APL implementers
> with questions like: What is the difference
> between ({iota}0),'' and '',({iota}0) and why?
> I guess payback exists after all.
>
>
>
> ----- Original Message -----
> From: [EMAIL PROTECTED]
> Date: Wednesday, March 14, 2007 1:56 pm
> Subject: Re: [Jgeneral] definition of a:
>
> > The" weather" comment is funny but as I said: "I am from a
> > different
> > cultural background" so making fun of my mistakes in English is
> > fine with
> > me,since I have a good sense of humor.
> >
> > The empty list is exactly what I wanted (refer to the early
> > discussions of
> > <i.0
> >
> > The question was, as everyone can read from my earlier post:
> > Roger ! any enlightening comment ?
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