Re: math behind a puzzle
- From: Dave <davidct1209@xxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Thu, 11 Nov 2010 06:11:37 -0800
Well, obviously, we have differing definitions of upper
division...(it's not a graduate course obviously, but part of the core
CS major requirements); that's called "upper division" from where I'm
from.
Russell is a prof at Berkeley; you can find his lecture notes and
assignments on the cs188 webpage; I also did this puzzle in my first
AI class there and coded a solver for the 8 puzzle as well as the "n"
puzzle. Norvig's working at Google.
Anyhow, for a good treatment of the material, read the book because
it's not something one can understand without having a little more
background.
On 11/11/10, Homme, James <james.homme@xxxxxxxxxxxx> wrote:
> Hi Ken,
> I'm interested.
>
> Thanks.
>
> Jim
>
> Jim Homme,
> Usability Services,
> Phone: 412-544-1810. Skype: jim.homme
> Internal recipients, Read my accessibility blog. Discuss accessibility
> here. Accessibility Wiki: Breaking news and accessibility advice
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>
> -----Original Message-----
> From: programmingblind-bounce@xxxxxxxxxxxxx
> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Ken Perry
> Sent: Wednesday, November 10, 2010 7:14 PM
> To: programmingblind@xxxxxxxxxxxxx
> Subject: RE: math behind a puzzle
>
> I have an actual blind friendly hardware puzzle I bought at CSUN. What
> ticks me off is I know how to do the thing but it takes me forever. My wife
> on the other hand sits down and goes blink blink blink and done. Grrrr. If
> you're interested in buying one let me know I will dig up the place that
> sells them. They have Braille squares so you can feel them and you can get
> a couple types some have numbers some have words.
>
> Ken
>
>
> -----Original Message-----
> From: programmingblind-bounce@xxxxxxxxxxxxx
> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Jared Wright
> Sent: Wednesday, November 10, 2010 2:40 PM
> To: programmingblind@xxxxxxxxxxxxx
> Subject: Re: math behind a puzzle
>
> I get a sense of the puzzle's components, but I don't follow what
> actually constitutes solving the puzzle. Can you be a little more specific?
>
> On 11/10/2010 1:55 PM, Alex Hall wrote:
>> Hi all,
>> While this is not strictly programming, I wonder if anyone can point
>> me to a place where I can find out about a general solution to a
>> puzzle. The puzzle is simply eight tiles, each of which can be slid
>> up, down, left, or right. They are numbered 1-8 and are on a grid with
>> 9 squares, so one square is empty to let the pieces slide. There has
>> to be a mathematical way of figuring out (A) how many moves would be
>> required to solve this and (B) what those moves are.
>> Again, this is not programming, but I suspect that I will eventually
>> run into something like it on http://www.projecteuler.net...
>>
>
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