Warning: include(D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples/../vendor/autoload.php): failed to open stream: No such file or directory in D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples\test.php on line 6

Warning: include(): Failed opening 'D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples/../vendor/autoload.php' for inclusion (include_path='D:\xampp\php\PEAR') in D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples\test.php on line 6

Fatal error: Uncaught Error: Class 'Matrix\Matrix' not found in D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples\test.php:18 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\markbaker\matrix\examples\test.php on line 18