RE: Re: An Exploration of Non-linear Dynamic Systems (NLDS) an
Because HyTime started as a musical application and research into the area of NLDS was being done during the Hytime formulation, this is an old topic for some. Improvisation on a theme can be realized in non linear systems. Much of the earliest chaos work used musical examples. Researchers at the IBM Watson center explored this (pink noise sources), and there are examples of healthy and unhealthy heart rhythms. Among the markup archives there are plenty of comments about chaos, NLDS and music. We are not plowing new ground particularly. We are exploring the use of XML. We may gain insights that are illuminating with regards to data-driving systems (intra and inter enterprise) using documentation systems, applying visualization to detect onset patterns of chaotic behaviors, and control emergence (are schemas emergent phenomena?). len From: evan@e... [mailto:evan@e...] Roger L. Costello wrote: > Len Bullard wrote: > > A good NLDS program does not choreograph because > > that makes the process a fixed form. It orchestrates: > > defines roles, rules of roles, and assigns instrumentation. > > Then it is an intelligent performance and this can be tuned > > to inhibit or evoke non-linear behaviors. > > This needs to be expanded upon with some concrete examples. <snip/> > What's next? How can you participate? I can think of > four things: > > 1. Can you suggest some interesting examples which would > require non-linearity, and would use XML? Maybe there's something more to the musical metaphor (orchestration, instrumentation, performance, tuning) than just metaphor, if you're looking for examples. As far as XML's role goes, we have a nice vocabulary for (Western) musical material already: http://www.musicxml.org/xml.html The mathematics are out of my league, but I do like the idea of being able to generate alternative "performances" of the basic stuff you would find in the MusicXML representation of, say, a Bach cantata, whether involving human interaction or not, while employing XML tools to boot. Sometimes I wonder whether XML and XSLT really make sense to use for some of my unexplored computing interests (such as "musical transformations", whatever that might mean). But maybe the virtue is not so much "the right tool for the right job" as the fact that new people are looking at known problems in new social and technical contexts, simply because they like to use the same tools. Roger's enthusiasm is emboldening on that front.
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