/**
* @param InputInterface $input
* @param OutputInterface $output
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$matrixA = new NumArray([[49, -525, 7, -315], [-525, 6921, -3279, 3483], [7, -3279, 8178, -328], [-315, 3483, -328, 624556]]);
$output->writeln('<comment>Matrix A:</comment>');
$output->writeln($matrixA->__toString());
$output->writeln('<info>Cholesky:</info>');
$time = microtime(true);
$matrixL = LinAlg::cholesky($matrixA);
$timeDiff = microtime(true) - $time;
$output->writeln($matrixL->__toString());
$output->writeln('<info>Time for calculation: ' . $timeDiff . ' sec</info>');
}
public function testCholeskyCache()
{
$numArray = new NumArray(5);
$numArray->setCache(LinAlg\CholeskyDecomposition::CACHE_KEY_CHOLESKY, 8);
$this->assertSame(8, LinAlg::cholesky($numArray));
}
