Matrix type

Number of iterations

k = 6

k = 10

k = 20

k = 40

k = 100

k = 200

Harmonic

0

0

0

0

0

0

Harmonic roots

0

0

0

1

1

1

Geometric

0

0

0

0

0

0

Moderate Geometric

1

1

1

1

0

0

Slow Geometric

6

7

6

5

4

3

Very slow Geometric

38

36

30

23

16

12

Equispaced

6

7

6

5

4

2

Densely Equispaced

38

36

30

22

16

12

Normal Distribution

2

5

5

6

6

7