Help with a breadth first search in prolog.

On Mar 19, 11:41 pm, Nick Wedd <n...@maproom.co.uk> wrote:
> In message
> <9e14cc38-bc72-449e-a522-496a66bb8...@s19g2000prg.googlegroups.com>,
> ajpowerran...@googlemail.com writes
>
>
> 
> 
> 
> 
> 
> 
> 
>
> Does the noise propagate along the passages, so that it will increase,
> or at least not decrease, as we take the correct path to the exit?  Or
> does it propagate over the walls, so that it will be almost useless as a
> guide?  If the former, a breadth-first search, exhaustively searching
> routes which we know are wrong, seems daft.  If the latter, I recommend
> ignoring the noise level.
>
> As for your error message - Chip Eastham has now explained it.
>
> Nick
> --
> Nick Wedd    n...@maproom.co.uk

At each node in the maze the noise level is different the higher it is
the closer to the exit your getting.

On Mar 19, 11:41 pm, Nick Wedd <n...@maproom.co.uk> wrote:
> In message
> <9e14cc38-bc72-449e-a522-496a66bb8...@s19g2000prg.googlegroups.com>,
> ajpowerran...@googlemail.com writes
>
>
> 
> 
> 
> 
> 
> 
> 
>
> Does the noise propagate along the passages, so that it will increase,
> or at least not decrease, as we take the correct path to the exit?  Or
> does it propagate over the walls, so that it will be almost useless as a
> guide?  If the former, a breadth-first search, exhaustively searching
> routes which we know are wrong, seems daft.  If the latter, I recommend
> ignoring the noise level.
>
> As for your error message - Chip Eastham has now explained it.
>
> Nick
> --
> Nick Wedd    n...@maproom.co.uk

At each node in the maze the noise level is different the higher it is
the closer to the exit your getting.

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