[線代] matrix diagonal element

[cholauda (cholauda)]

請教大大
A=[ A11,A12 ;
    A21,A22 ]
其中A11和A22是叫做diagonal elements
那一般來說，反對角線的元素(A12,A21)該怎麼稱呼呢??
懇請解惑，謝謝。

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 140.113.150.197
→ KirinGuess  :anti-diagonal element?
→ innerself   :off-diagonal element?
推 CFE220      :Lanogaid element?
推 herstein    :off-diagonal
推 Lpspace     :off-diagonal
→ cholauda    :感謝大大們~~~