行p(i(c) =i行p(a)p(i, j(p(a) =j行1S8.2入一矩阵的标准形A§8.2 λ─矩阵的标准形 1 1 ( ) ( , ( ( ))) 1 1 p i j           =           i行 j行 1 1 ( ( )) 1 1 p i c c       =           i行