计算行列式:a b 0 ...0 0 0 a b ...0 0 ............0 0 0 ...a b b 0 0 ...0 a计算行列式:a b 0 ...0 00 a b ...0 0............0 0 0 ...a bb 0 0 ...0 a

问题描述:

计算行列式:a b 0 ...0 0 0 a b ...0 0 ............0 0 0 ...a b b 0 0 ...0 a
计算行列式:
a b 0 ...0 0
0 a b ...0 0
......
......
0 0 0 ...a b
b 0 0 ...0 a