发布时间 ： 2019-04-29 14:20:18 UTC
类别 ： Algebraic
Page Views: 66 views
Diagonal expansion:
|a1 b1| =a1b2-a2b1
|a2 b2|
|a1 b1 c1|
|a2 b2 c2|=a1b2c3+b1c2a3+c1a2b3-a3b2c1-b3c2a1-c3a2b1
|a3 b3 c3|