octave error
Chris G
cl at isbd.net
Wed Apr 25 12:16:31 UTC 2007
On Wed, Apr 25, 2007 at 09:10:57AM -0300, Martin Marques wrote:
> Please, tell me I haven't lost it yet.
>
> octave:14> -5^4
> ans = -625
>
> Since when does an even power of a negative number give a negative result?
>
It's precedence has fooled you. ^ has higher procedence than - so
what you have calculated is:-
- ( 5 ^ 4 )
To get the answer you are expecting you need to type:-
(-5)^4
--
Chris Green
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