| Server IP : 103.161.17.216 / Your IP : 216.73.216.1 Web Server : nginx/1.18.0 System : Linux tipsysaigoncharming 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.4.3-4ubuntu2.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /var/www/emwin.vn/vendor/markbaker/matrix/examples/ |
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<?php
use Matrix\Matrix;
use Matrix\Decomposition\QR;
include __DIR__ . '/../vendor/autoload.php';
$grid = [
[1, 2],
[3, 4],
];
$targetGrid = [
[-1],
[-2],
];
$matrix = new Matrix($grid);
$target = new Matrix($targetGrid);
$decomposition = new QR($matrix);
$X = $decomposition->solve($target);
echo 'X', PHP_EOL;
var_export($X->toArray());
echo PHP_EOL;
$resolve = $matrix->multiply($X);
echo 'Resolve', PHP_EOL;
var_export($resolve->toArray());
echo PHP_EOL;