Lines Matching refs:xValues
146 * @param float[] $xValues The set of X-values for this regression
149 private function polynomialRegression($order, $yValues, $xValues, $const) argument
152 $x_sum = array_sum($xValues);
156 $xy_sum += $xValues[$i] * $yValues[$i];
157 $xx_sum += $xValues[$i] * $xValues[$i];
170 $A[$i][$j] = pow($xValues[$i], $j);
193 foreach ($this->xValues as $xKey => $xValue) {
204 * @param float[] $xValues The set of X-values for this regression
207 public function __construct($order, $yValues, $xValues = array(), $const = true) argument
209 if (parent::__construct($yValues, $xValues) !== false) {
213 $this->polynomialRegression($order, $yValues, $xValues, $const);