並前往https://books.google.com.tw/books?id=uan0Dkn9HY8C&pg=PA40&lpg=PA40&dq=matrix&source=bl&ots=Qkk9SYJjld&sig=ACfU3U27DbNPlpytETOW5XZhoRa1uIVNbg&hl=zh-TW&sa=X&ved=2ahUKEwjq_ZnzpvP9AhWsgVYBHUd5DJQQ6AF6BAghEAM