[seqfan] Re: Recaman Video
allouche at math.jussieu.fr
allouche at math.jussieu.fr
Sun May 26 07:25:41 CEST 2013
Hi
No that second video is still private (they ask you
to connect to youtube -- which of course you can't
do if you don't have an account there)
best
jp
Dale Gerdemann <dale.gerdemann at gmail.com> a écrit :
> Hi Graeme,
>
>
> It says here that the "Wire Sculpture" video is public.. I think the video
> was for a short time unavailable.
>
> In the meantime, I''ve added descriptions to the two videos, and then added
> a new video
>
> http://www.youtube.com/watch?v=QeRGjl-QzNg&feature=youtu.be
>
> Requests?
>
> Dale
>
>
> On Fri, May 24, 2013 at 1:24 AM, Graeme McRae <graememcrae at gmail.com> wrote:
>
>> That second video is private, Dale.
>>
>> --Graeme McRae
>> Palmdale, CA
>>
>>
>> On Thu, May 23, 2013 at 7:00 AM, Dale Gerdemann <dale.gerdemann at gmail.com
>> >wrote:
>>
>> > Dear Seqfans,
>> >
>> >
>> > I've jut put a video on YouTube which should be of general interest here.
>> >
>> > http://www.youtube.com/watch?v=BEvOgIvwVz0&feature=youtu.be
>> >
>> > I've been playing around with Fibonacci Word Fractals for about half a
>> > year now and have left a rather messy record of vides on YouTube,
>> Recently
>> > it occurred to me that the Fibonacci word was not necessary for the
>> > construction of these fractals. One could just as well use a slightly
>> > modified Zeckendorf representation, looking at the positions of the least
>> > significant non-zero digits. This raises the possibility of making
>> > fractals, or at least interesting images, for any sequence that can
>> somehow
>> > be used for a numeration system. I chose to try this idea out with the
>> > Recaman sequence since it is well known and has a quirky definition which
>> > would suggest some difficulty. I tried one other odd sequence and got a a
>> > very nice wire-sculpture kind of result:
>> >
>> > http://www.youtube.com/watch?v=pYo0cfDMt1A&list=UU7_cFJmEwQFk4a4OXxQxILw
>> >
>> >
>> > The sequence used was: a(n) = 5*a(n-1) - n/2 (where the division is
>> integer
>> > division, throwing away the remainder.
>> >
>> > A while back, Neil wrote that he was working on a math museum. Perhaps
>> the
>> > kind of turtle graphics on steroids that I've been working on would be
>> fun
>> > for young museum visitors). In any case, I'm not selling anything, I
>> don't
>> > make money from the videos and I'm willing to give away what I've got if
>> > Neill is at all interested.
>> >
>> > Dale Gerdemann
>> >
>> > _______________________________________________
>> >
>> > Seqfan Mailing list - http://list.seqfan.eu/
>> >
>>
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>>
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>
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