Research Article

A Rapid Numerical Algorithm to Compute Matrix Inversion

Table 1

Results of comparisons for the test problem 1.

Iterative methods (2.1) (2.2) (2.4) (3.1)

Number of iterations 3 2 1 1
Number of nonzero elements 126035 137616 65818 119792
Residual norm 3 . 0 0 6 × 1 0 7 2 . 6 2 8 × 1 0 7 1 . 4 2 8 × 1 0 5 9 . 0 7 7 × 1 0 7