Fatal error: Uncaught Error: Class 'Matrix' not found in /home/bitrix/ext_www/minzdravkk.ru/pages/analiticmats/monitoring/stats/Classes/PHPExcel/Shared/JAMA/examples/polyfit.php:46
Stack trace:
#0 {main}
thrown in /home/bitrix/ext_www/minzdravkk.ru/pages/analiticmats/monitoring/stats/Classes/PHPExcel/Shared/JAMA/examples/polyfit.php on line 46