how to send DATA from UART to MatLab ?

hello i am currently using an electornic board(Cypress) . In this board i get samples and then send it to UART . how can I send this data that is showed in UART to the matlab ? I have for exmples 100 samples and i want to send this samples to matlab and create an array? i tried using serial command but for some reason the matlab says that my port is wrong ? how to fix this problem ?