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This commit is contained in:
Alex Wulf
2022-07-05 16:21:06 +02:00
parent fd5d276359
commit 689e3b75fe
38 changed files with 144 additions and 355 deletions
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16
src/TrueSkill/Factors/GaussianFactor.php
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@ -9,19 +9,10 @@ use DNW\Skills\Numerics\GaussianDistribution;
abstract class GaussianFactor extends Factor
{
protected function __construct($name)
{
parent::__construct($name);
}
/**
* Sends the factor-graph message with and returns the log-normalization constant.
*
* @param Message $message
* @param Variable $variable
* @return float|int
*/
protected function sendMessageVariable(Message $message, Variable $variable)
protected function sendMessageVariable(Message $message, Variable $variable): float|int
{
$marginal = $variable->getValue();
$messageValue = $message->getValue();
@ -34,11 +25,10 @@ abstract class GaussianFactor extends Factor
public function createVariableToMessageBinding(Variable $variable)
{
$newDistribution = GaussianDistribution::fromPrecisionMean(0, 0);
$binding = parent::createVariableToMessageBindingWithMessage($variable,
return parent::createVariableToMessageBindingWithMessage($variable,
new Message(
$newDistribution,
sprintf('message from %s to %s', $this, $variable)));
return $binding;
}
}