Shoot. That last one wasn't meant for public consumption. Sorry for sounding like such a poopy-head.
On Sat, Aug 29, 2009 at 11:12 AM, Douglas Roberts <[email protected]>wrote: > Steve, > > I confess that I enjoy rubbing their noses in their speculative > circle-jerks, now and then. > > Another topic: do you know Ed MacKerrow? > > --Doug > > > On Sat, Aug 29, 2009 at 11:06 AM, Steve Smith <[email protected]> wrote: > >> Doug - >> >> Suzanne and I just watched Paper Chase (1973) again and were treated to >> the dry commentary of John Hausman as curmudgeonly professor Kingsfield. >> Your comment reminded me of the equally dry delivery he gave in a TV >> commercial several years later for an investment house? where he uttered the >> line >> >> "We make money the old-fashioned way, we EARN it!" >> >> That noted, I would submit that the FRIAM list (and Friday kaffe klatch) >> *IS* more about speculative discussion than it is about problem solving. I >> find there is a delicate distinction between the interesting exploration of >> ideas through group speculation and well... what I think we all know of as a >> "circle jerk". I take this risk every time I let myself get drawn into a >> thread. >> >> - Steve >> >> Has anybody just tried to design this application the old-fashioned way; >> i.e., develop a set of requirements that >> >> - define the interactions between the components of the system, >> - identify (clearly, no vagueness allowed) the desired results from >> running the simulation, >> - identify (clearly, no vagueness allowed) the inputs for the >> simulation, and >> >> *then* determine what design best fits the application? >> >> Just asking, 'cause this thread so far sniffs out suspiciously like >> another "I want to talk about how *I* want to think about how (in the purest >> theoretical sense) simulations should be designed/implemented/thought of." >> >> Just asking... >> >> --Doug >> >> >> As compared to endlessly seeing that special, elegant simulation >> implementation system that is the ideal match to this particular problem >> domain? >> >> On Fri, Aug 28, 2009 at 6:26 PM, russell standish <[email protected] >> > wrote: >> >>> On Fri, Aug 28, 2009 at 12:46:26PM -0500, Roger Critchlow wrote: >>> > I don't think you'll find this because it implies programming a higher >>> > purpose and allowing the agents to jump the rails, as it were, and >>> start >>> > negotiating their way through the combinatorics of alternative >>> networks. >>> > Similarly, you won't find models in which agents invent new inputs to >>> > monitor, new outputs to generate, and new rules which involve new >>> inputs and >>> > new outputs. >>> > >>> > Optimization within a fixed solution space, which is what we do when we >>> let >>> > agents play with the flow through a fixed network or let them search >>> out the >>> > most profitable rules in a set of prespecified alternatives, gets hairy >>> > enough without opening things up to the infinity of potential solutions >>> that >>> > we didn't have time to program into the model ourselves. >>> > >>> >>> EcoLab is an example of a model where the state space evolves over >>> time rather than staying fixed. It is not quite the ABM that Russ >>> Abbott is looking for, but does illustrate that it is possible. One >>> crucial feature is that there must be a separation of scales - the >>> dynamics of the system (optimisation, or whatever) must occur more >>> rapidly than the change to the state space. Otherwise, you get what is >>> known in the ALife world as a mutational meltdown - evolution ceases >>> to operate. >>> >>> -- >>> >>> >>> ---------------------------------------------------------------------------- >>> Prof Russell Standish Phone 0425 253119 (mobile) >>> Mathematics >>> UNSW SYDNEY 2052 [email protected] >>> Australia http://www.hpcoders.com.au >>> >>> ---------------------------------------------------------------------------- >>> >>> ============================================================ >>> FRIAM Applied Complexity Group listserv >>> Meets Fridays 9a-11:30 at cafe at St. John's College >>> lectures, archives, unsubscribe, maps at http://www.friam.org >>> >> >> ------------------------------ >> >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> lectures, archives, unsubscribe, maps at http://www.friam.org >> >> >> >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> lectures, archives, unsubscribe, maps at http://www.friam.org >> > > > > -- > Doug Roberts > [email protected] > [email protected] > 505-455-7333 - Office > 505-670-8195 - Cell > -- Doug Roberts [email protected] [email protected] 505-455-7333 - Office 505-670-8195 - Cell
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
