AI-SimulatedAnnealing
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t/annealing_tests.t view on Meta::CPAN
push @{ $mapped_distances[$p] }, $record->{$field_names->[6 - $p]};
} # next $p
} # end while
unless (scalar @{ $mapped_distances[$Probability::ONE_FIFTH] } == 61) {
die "ERROR: The input file does not contain the expected number of "
. "records.\n";
} # end unless
# Perform simulated annealing to optimize the coefficients for each of the
# four probabilities, and then print the results to the console:
for my $p (2..5) {
my $cost_function = cost_function_factory($mapped_distances[$p]);
my $optimized_coefficients;
my @number_specs;
push @number_specs,
{"LowerBound" => 0.0, "UpperBound" => 3.0, "Precision" => 3};
push @number_specs,
{"LowerBound" => -1.0, "UpperBound" => 5.0, "Precision" => 3};
push @number_specs,
{"LowerBound" => -4.0, "UpperBound" => 0.0, "Precision" => 3};
$optimized_coefficients = anneal(
\@number_specs, $cost_function, $CYCLES_PER_TEMPERATURE);
# Print the results for this probability to the console:
say "\nProbability: 1/$p";
printf("Coefficients: a = %1.3f; b = %1.3f; c= %1.3f\n",
$optimized_coefficients->[0],
$optimized_coefficients->[1],
$optimized_coefficients->[2]);
say "Cost: " . $cost_function->($optimized_coefficients);
} # next $p
# Perform an annealing test with integers that triggers brute-force analysis
# and uses an anonymous cost function that minimizes this sum:
#
# (10 * abs(23 - val)) + (the total range of a, b, and c)
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