An Enhancement of the Accuracy of the BiCGStab Method for Solving Linear Systems with Single or Multiple Right-Hand Sides

Algorithm 1

Biconjugate gradient stabilized (BiCGStab) [5].

1. guess initial vector;

2. , , ;

3. for ;

4.   ;

5.   ;

6.   ;

7.   ;

8.   ;

9.   ;

10.   ;

11.   ;

12.   ;

13. end for.