"Derivative Matrix Method!" "Derivative Matrix Method!"

Two voices are ringing at the same time, one from the mouth of Cang Ming and the other from the mouth of the Vice-Hall of Qi Temple.

"Derivative Matrix Method?" All the officers of civil and military affairs asked in unison. Everyone felt that the word seemed familiar.

"Derivative Matrix Method, is it not the sixth-level Matrix Method used to evaluate these players in the preliminary contest?" A minister with a good memory took the lead.

The other ministers also thought about it. Yes, the inscription matrix representing the sixth level of difficulty is not a derivative matrix?

"Derivative Matrix Method..." Emperor Ji Wenchang...