Abstract
This paper deals with the smooth fitting problem under
the genetic programming(GP) algorithm. To reduce the
computational cost required for evaluating the fitness
value of GP trees, numerical weights of GP trees are
estimated by adopting both linear associative memories
and the Hook & Jeeves method. The quality of smooth
fitting is critically dependent on the choice of the
regularization parameter. So, we present a novel method
for choosing the regularization parameter. Two
numerical examples are given with the comparison of
generalized cross-validation B-splines
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