n

q

k

$\rho$

$mid\left(\widehat{\Lambda }\right)$

${\Vert mid\left(\widehat{E}\right)\Vert }_{\text{2}}$

4

2

2

6.0500e−16

1.9999

1.8059e−04

7

2

2

1.5768e−15

2.0000

9.7891e−08

8

2

2

4.0431e−16

2.0000

1.0378e−08

20

2

2

9.4529e−18

2

2.8490e−16