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Updated some weighted sum arrays

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Jeff Moser
2010-09-26 18:32:18 -04:00
parent 04c911742d
commit 467d508f00
1 changed files with 8 additions and 6 deletions
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14
PHPSkills/TrueSkill/Factors/GaussianWeightedSumFactor.php
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@@ -50,9 +50,10 @@ class GaussianWeightedSumFactor extends GaussianFactor
$variablesToSumLength = count($variablesToSum);
// 0..n-1
$this->_variableIndexOrdersForWeights[0] = array();
for($i = 0; $i < ($variablesToSumLength + 1); $i++)
{
$this->_variableIndexOrdersForWeights[] = $i;
$this->_variableIndexOrdersForWeights[0][] = $i;
}
// The rest move the variables around and divide out the constant.
@@ -62,14 +63,15 @@ class GaussianWeightedSumFactor extends GaussianFactor
$weightsLength = $variableWeightsLength + 1;
for ($weightsIndex = 1; $weightsIndex < $weightsLength; $weightsIndex++)
{
$this->_weights[$weightsIndex] = array();
{
$currentWeights = array();
$this->_weights[$weightsIndex] = &$currentWeights;
$variableIndices = array();
$variableIndices[] = $weightsIndex;
$variableIndices[0] = $weightsIndex;
$currentWeightsSquared = array();
$this->_WeightsSquared[$weightsIndex] = &$currentWeightsSquared;
$this->_weightsSquared[$weightsIndex] = &$currentWeightsSquared;
// keep a single variable to keep track of where we are in the array.
// This is helpful since we skip over one of the spots
@@ -111,7 +113,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
}
$currentWeights[$currentDestinationWeightIndex] = $finalWeight;
$currentWeightsSquared[$currentDestinationWeightIndex] = square($finalWeight);
$variableIndices[count($variableIndices) - 1] = 0;
$variableIndices[count($variableWeights)] = 0;
$this->_variableIndexOrdersForWeights[] = &$variableIndices;
}