n阶行列式计算 a b 0 ...0 0 a b ...0 .0 0 0 ...b 0 0 0 ...a n阶行列式计算 a b 0 ...0 0 a b ...0 .0 0 0 ...b0 0 0 ...a

问题描述:

n阶行列式计算 a b 0 ...0 0 a b ...0 .0 0 0 ...b 0 0 0 ...a
n阶行列式计算
a b 0 ...0
0 a b ...0
.
0 0 0 ...b
0 0 0 ...a