Lines Matching refs:U
1761 $U = "";
1777 $U [1] = 0;
1779 $this->calculateCubicCurve($Yt, $XIn, $YIn, $U, $Index);
1784 $Yt [$k] = $Yt [$k] * $Yt [$k + 1] + $U [$k];
1874 private function calculateCubicCurve(array & $Yt, array $XIn, array $YIn, array & $U, $Index) {
1888 $U [$i] = ($YIn [$i + 1] - $YIn [$i]) / ($XIn [$i + 1] - $XIn [$i])
1890 $U [$i] = (6 * $U [$i] / ($XIn [$i + 1] - $XIn [$i - 1]) - $Sig * $U [$i - 1]) / $p;
1917 $U = array();
1929 $U [1] = 0;
1931 $this->calculateCubicCurve($Yt, $XIn, $YIn, $U, $numElements);
1936 $Yt [$k] = $Yt [$k] * $Yt [$k + 1] + $U [$k];