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tuning-math

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  • Members: 191
  • Category: Mathematics
  • Founded: May 21, 2001
  • Language: English
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Fwd: optimizing octaves in MIRACLE scale.   Message List  
Reply Message #18 of 20696 |
Re: Fwd: optimizing octaves in MIRACLE scale.

--- In tuning-math@y..., "monz" <joemonz@y...> wrote:

> OK, cool. MATLAB is fine with me. (If I didn't "allow" you
> to use it, does that mean that you'd go thru the drudgery of
> the hand calculations just to show me how it's done?

I might try and then give up.
>
> Did we ever take a serious look at 11-odd-limit approximations
> in the MIRACLE family?

Oh yes . . . Dave Keenan has been thinking 11-limit all along. He posted some
7-limit and
11-limit optimization results, and I posted a 9-limit one, fully worked out
step-by-step
(remember?). We've talked about the hexads in Canasta, and these are 11-limit
hexads, of
course . . . etc. etc..

> I'd like to include 11 if you have no preference.

So shall we call our integer limit 12?




Thu May 24, 2001 4:07 am

paul@...
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Message #18 of 20696 |
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... Monz wrote, ... OK -- we now have to do a two-parameter optimization, where the two parameters are the size of the generator (let's call it G), and the ...
monz
joemonz@... Send Email
May 24, 2001
3:45 am

... I might try and then give up. ... Oh yes . . . Dave Keenan has been thinking 11-limit all along. He posted some 7-limit and 11-limit optimization results,...
Paul Erlich
paul@... Send Email
May 24, 2001
4:08 am

... http://groups.yahoo.com/group/tuning-math/message/18 ... Of course... duh! I knew all this. Guess it's just information overload. ... Sure! Guess...
monz
joemonz@... Send Email
May 24, 2001
5:09 am

... Umm . . . I thought that explanation used a _prime-limit_ of 13, not an _integer-limit_ of 12. In particular, Partch showed that Schoenberg's two...
Paul Erlich
paul@... Send Email
May 24, 2001
5:17 am

... http://groups.yahoo.com/group/tuning-math/message/20 ... Damn, Paul! Duh again! I had signed off for the night, and just realized this error and came back...
monz
joemonz@... Send Email
May 24, 2001
6:16 am

I wrote, ... Oops! That should be 104:99, not 143:128! ... Really? So ratios such as 16:9 would have fallen outside it?...
Paul Erlich
paul@... Send Email
May 24, 2001
6:11 pm

... Paul, I started a response to this but it is getting long and interesting. I'll post it tonight. -monz...
monz
joemonz@... Send Email
May 25, 2001
4:47 pm

... http://groups.yahoo.com/group/tuning-math/message/24 ... 143:128). ... (early response:) Oops... Schoenberg doesn't actually claim that the 12th harmonic...
monz
joemonz@... Send Email
May 27, 2001
5:55 pm

... 7:4 (really a subminor 7th) between g-36 and f-63...
Dave Keenan
D.KEENAN@... Send Email
May 28, 2001
4:20 am

... http://groups.yahoo.com/group/tuning-math/message/44 ... <cut> etc. This is an extremely interesting post, Monz, and I would recommend that it be reposted...
jpehrson@... Send Email Jun 3, 2001
4:04 pm

Oh, Monz . . . you're not expecting the result to be a stretched or squashed 72-tET, are you? 'Cause if you are, then it's a one- parameter optimization --...
Paul Erlich
paul@... Send Email
May 24, 2001
7:29 pm

... And if it is, the answer is 71.959552-tET, or 72-tET with the octave stretched to 1200.6745¢....
Paul Erlich
paul@... Send Email
May 25, 2001
7:59 pm

... http://groups.yahoo.com/group/tuning-math/message/31 ... With a step-size of 16.67603472 cents. Thanks, Paul. Uh... I don't think "expecting" is the way ...
monz
joemonz@... Send Email
May 27, 2001
9:00 am

... I agree (with the first bit) Graham...
graham@... Send Email May 27, 2001
12:27 pm

... Well, because it's easier to solve the problem of how best to stretch or squashed 72-tET for the 12-integer-limit (a univariate optimization), than to...
Paul Erlich
paul@... Send Email
May 28, 2001
9:14 am

... http://groups.yahoo.com/group/tuning-math/message/21 ... Can you imagine this? And, it's one of his "easier" works, in the overview... ________ ______...
jpehrson@... Send Email Jun 3, 2001
2:29 pm
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