public function PHPExcel_Shared_JAMA_QRDecomposition::getR in Loft Data Grids 7.2
Same name and namespace in other branches
- 6.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/JAMA/QRDecomposition.php \PHPExcel_Shared_JAMA_QRDecomposition::getR()
* Return the upper triangular factor * *
Return value
Matrix upper triangular factor
File
- vendor/
phpoffice/ phpexcel/ Classes/ PHPExcel/ Shared/ JAMA/ QRDecomposition.php, line 135
Class
- PHPExcel_Shared_JAMA_QRDecomposition
- @package JAMA
Code
public function getR() {
for ($i = 0; $i < $this->n; ++$i) {
for ($j = 0; $j < $this->n; ++$j) {
if ($i < $j) {
$R[$i][$j] = $this->QR[$i][$j];
}
elseif ($i == $j) {
$R[$i][$j] = $this->Rdiag[$i];
}
else {
$R[$i][$j] = 0.0;
}
}
}
return new PHPExcel_Shared_JAMA_Matrix($R);
}