34 lines
486 B
PHP
34 lines
486 B
PHP
<?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;
|