几种变换的行列式与特征值 1=d0=-1N=-1小1-[09] m-a-15.2-015Lp2-[9 3=dw4-02,8-0210-[日 D4=det(A4)=1,24=[11 D5=L25=-[086+05i0866-0.5i],p5=[ .7071 0.7071 0-0.7071i0+0.7071i几种变换的行列式与特征值         1 0 1 det( 1) 1, 1 1 1 , 1 0 1 0 1 2 det( 2) 1.5, 2 1.0 1.5 , 2 1 0 0 1 3 det( 3) 0.2, 3 0.2 1.0 , 3 1 0 1.0 1.0 4 det( 4) 1, 4 1 1 , 4 0. D A p D A p D A p D A p       = = − = − =       = = = =       = = = =     − = = = =   0. 0.7071 0.7071 5 1, 5 0.866 + 0.5i 0.866 0.5i , 5 0 0.7071i 0 + 0.7071i D p          = = − =     −