AI-FANN
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samples/xor.pl view on Meta::CPAN
#!/usr/bin/perl
use strict;
use warnings;
use AI::FANN qw(:all);
if ($ARGV[0] eq 'train') {
# create an ANN with 2 inputs, a hidden layer with 3 neurons and an
# output layer with 1 neuron:
my $ann = AI::FANN->new_standard(2, 3, 1);
$ann->hidden_activation_function(FANN_SIGMOID_SYMMETRIC);
$ann->output_activation_function(FANN_SIGMOID_SYMMETRIC);
# create the training data for a XOR operator:
my $xor_train = AI::FANN::TrainData->new( [-1, -1], [-1],
[-1, 1], [1],
[1, -1], [1],
[1, 1], [-1] );
$ann->train_on_data($xor_train, 500000, 100, 0.0001);
$ann->save("xor.ann");
}
elsif ($ARGV[0] eq 'test') {
my $ann = AI::FANN->new_from_file("xor.ann");
for my $a (-1, 1) {
for my $b (-1, 1) {
my $out = $ann->run([$a, $b]);
printf "xor(%f, %f) = %f\n", $a, $b, $out->[0];
}
}
}
else {
die "bad action\n"
}
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