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Table 2 Results comparison

From: Updating QR factorization procedure for solution of linear least squares problem with equality constraints

Problem

Size of (E)

γ

Size of SP

err1

err

1.

16×8

8.9564e+15

3×3

1.3222e−14

1.4585e−15

2.

190×90

7.1258e+15

3×3

1.2628e−13

5.5294e−14

3.

1,400×700

7.7993e+15

3×3

1.2821e−12

4.2522e−13

4.

1,500×500

9.5551e+15

3×3

1.9377e−12

1.3559e−12

5.

3,000×1,000

9.5549e+15

3×3

1.0828e−10

8.5181e−12