--- In tuning@y..., "Robert Walker" <robertwalker@n...> wrote:

> I may be taking it out of context, but the thought I had is

> that you could characterise the golden ratio say as 3 or 5 limit

> etc. depending on whether it is more rapidly approximated by a sequence

of

> 3 limit or 5 limit ratios.

Presumably, 5-limit beats 3-limit, unless you mean 5 with no 3.

> I wrote a program a while back to look for ratio approimations

> to another ratio, and just updated it to accept arbitrary decimals.

> so that it can look for approximations to golden ratio etc. too.

Did this use integer relations algorithms, brute force, or what?

> Obviously these huge numbers aren't of immediate musical relevance,

> but kind of interesting. It rather looks as if there is enough

> of a trend there so that with some work one could define

> a mathematically precise notion of the relative proprotions

> of the various priimes needed to approximate an irrational,

> which mightn't necessarily converge, so next thing would

> be to see if one could prove it did converge, and if

> every irrational has a definite flavour in the n-limit

> or if only some do and so forth.

This sounds more like a topic for the number theory list or sci.math, but

in any event I'm skeptical.