王老师
回答题目：2621条
C
C(:,:,1) =
[ 1,0]
[ 0,1]
C(:,:,2) =
[ -1,0]
[ 0,-1]
C(:,:,3) =
[ 1,0]
[ c,-1]
C(:,:,4) =
[ -1,0]
[ c,1]
C(:,:,5) =
[ -d,b]
[ -(-1+d^2)/b,d]
就是说A的解有5个
1.E
2.-E
3.形如以下（c可以是复数）
[ 1,0]
[ c,-1]
4.或者
[ -1,0]
[ c,1]
5.d,b都可以是复数
[ -d,b]
[ -(-1+d^2)/b,d]
