Fatal error: Uncaught Error: Class "Matrix\Operators\Operator" not found in /newdata/stgdev/public_html/trisak.mwz/vendor/markbaker/matrix/classes/src/Operators/DirectSum.php:8
Stack trace:
#0 {main}
thrown in /newdata/stgdev/public_html/trisak.mwz/vendor/markbaker/matrix/classes/src/Operators/DirectSum.php on line 8