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Re: f(end) feature?
From: |
Paul Kienzle |
Subject: |
Re: f(end) feature? |
Date: |
Tue, 31 Dec 2002 17:07:43 -0500 |
User-agent: |
Mutt/1.2.5.1i |
On Tue, Dec 31, 2002 at 03:47:02PM -0600, John W. Eaton wrote:
> On 31-Dec-2002, Paul Kienzle <address@hidden> wrote:
>
> | So I guess the following is out of the question:
> |
> | function y = head(x)
> | y = x(1:min(3,end));
> | end
>
> Sorry, that's not what I intended, and it's not actually prevented by
> the previous patch, but min(3,end) would return -1, so you would not
> get the result you expect. The following patch should help (I think).
>
> With it and the previous patch:
>
> octave:1> function y = head (x) y = x(1:min(3,end)); end
> octave:2> x = [1,2,3,4]
> x =
>
> 1 2 3 4
>
> octave:3> head (x)
> ans =
>
> 1 2 3
>
> and
>
> octave:1> min (1,end)
> error: __end__: internal error
> error: evaluating argument list element number 2
>
>
> Is that better?
I'm impressed! I still haven't figured out how you've done it. Maybe
one day I'll give up and peek at the code.
- Paul