(m, n, r)

(10, 5, 4)

(10, 9, 7)

(12, 8, 7)

(12, 10, 9)

(15, 10, 9)

(15, 14, 13)

(18, 16, 15)

(20, 15, 14)

$rad\left(\widehat{A}\right)$

8.8818e−16

1.0270e−15

9.9920e−16

8.8818e−16

1.5543e−15

1.9984e−15

3.4972e−15

2.4424e−15

$rad\left(\widehat{X}\right)$

1.2684e−14

2.7245e−13

3.7090e−12

1.1363e−13

9.5146e−13

1.1391e−13

4.6038e−13

6.2050e−12

$\mathrm{length}\left(A-\widehat{A}\right)$

0.0100

0.0172

2.9505e−05

8.4993e−06

0.0108

0.0198

0.0164

0.0089