Journal of Applied Mathematics / 2013 / Article / Tab 1

Research Article

A Polynomial Preconditioned Global CMRH Method for Linear Systems with Multiple Right-Hand Sides

Table 1

Number of restarts and CPU time (in brackets) for Example 1.

Gl-GMRES Gl-CMRH WGl-CMRH PGl-CMRH

10,000 121 (18.0) 85 (7.4) 89 (8.4) 24 (4.1)
14,400 150 (34.6) 85 (11.8) 116 (17.3) 23 (6.0)
22,500 259 (133.4) 165 (42.8) 173 (53.5) 37 (17.0)
40,000 450 (585.8) 255 (173.0) 302 (235.2) 26 (32.3)
44,100 496 (699.9) 322 (253.3) 368 (313.6) 39 (45.0)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19.