Research Article

Residual-Based Simpler Block GMRES for Nonsymmetric Linear Systems with Multiple Right-Hand Sides

Table 3


Matrix RB-SBGMRES SBGMRES
cond Iterations required to convergecond Iterations required to converge

ck400 9999
nos3123135
dwa512128130
dwg961b 238242
dwt607136137
fidap0015353
fs54111313
gre115 2828
impcola5151
jpwh991 6165
lns511 7086
mbeacxc112112
olm500 6868
orsirr2 221222
pde9009498
pores177
qc324 8192
qh768 3030
rdb450 8184
saylr1 5962
sherman2268270
shl400 165 165
steam3 13 20
st400 9193
tols3404849
utm300 7373
curtis541212
west01323232
nos5 117119
nos7 130183