Fatal error: Uncaught Error: Class "MathPHP\LinearAlgebra\NumericSquareMatrix" not found in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/NumericDiagonalMatrix.php:13 Stack trace: #0 {main} thrown in /home/peekizt/www/vendor/markrogoyski/math-php/src/LinearAlgebra/NumericDiagonalMatrix.php on line 13