Fatal error: Uncaught Error: Class "MathPHP\LinearAlgebra\Decomposition\Decomposition" not found in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/Decomposition/QR.php:22 Stack trace: #0 {main} thrown in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/Decomposition/QR.php on line 22