Fatal error: Uncaught Error: Class "MathPHP\LinearAlgebra\ObjectMatrix" not found in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/ObjectSquareMatrix.php:15 Stack trace: #0 {main} thrown in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/ObjectSquareMatrix.php on line 15