Figure from ROBOT,
Moravec,
Oxford,
1998, Chapter 6: The Age of Mind, page 184
"Fixed point" finder
The
"Next Approximation" circuit takes an approximate answer
and produces a better one. Here, its output is connected to its input
through delay-canceling negative time delays.
If the whole circuit doesn't break, it is forced by
a causal loop to snatch, instantly, out of thin air, a perfect
solution that cannot be further refined.
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