On 4/5/23 12:53, John Webster NN1SS wrote:
Is anyone here using ChatGPT in the context of amateur radio? Potential use
cases would be design of antennas and tower installations, software code
generation, problem solving, etc. If so, what do you do with it?
It's probably useful to recall what the "GPT" in ChatGPT stands for --
Generative Pretrained Transformer; GPTs are a particularly effective
form of long-term memory that's useful for making predictions regarding
patterns. ChatGPT has zero semantic knowledge; in essence it's a text
prediction engine that's been trained on a massive corpus of text
(apparently including code scraped off of github); what it pukes out in
response to your input text is, literally the statistically most
probable outcome based on the sequence of tokens that it produced by
shredding your input text. Of course if that's all it did the results
would be both dry and deterministic, so GPTs incorporate the notion of
"temperature"; at any given point in constructing an output string it
has a list of candidate words based on what it's already output, ranked
by probability, but then it perturbs the probability so it doesn't
always produce the same text. Because each output token affects the
probability of what comes next, the result is different (occasionally
very different) output strings for the same input.
GPTs can be entertaining, and for narrow domains can be useful, but as
autocomplete systems with zero understanding of what they're spewing,
they can also be thought of as incredible bullshit generators. Worse,
their predictions become part of their corpus, and competing GPT systems
have started scraping each other, resulting in a sort of exponential
bullshit amplification phenomena that has required some tamping down.
My suggesting is that you use it to get into the game, but always go
back to primary sources and do your own work.
--
Christian Kennedy, Ph.D.
chris@af6ap.com AF6AP | DB00000692 | PG00029419
http://www.af6ap.com PGP KeyID F41EEAEC
PGP fingerprint: 3C92 94A1 F607 2758 CC06 E9C3 59E1 79DD F41E EAEC
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