© 2000 Todd Neller.
A.I.M.A. t
ext
figures
© 1995 Prentice Hall.
Used by
permission.
Developing a Heuristic
•
Tradeoff between quality of
h
and
efficiency of search.
•
Extreme cases:
–
h
(
n
) = 0
(admissible, but equivalent to uniform
cost search)
–
h
(
n
) = exact optimal cost remaining (search
goes directly to goal, but full problem solved
for each step!)