\item matrix off-diagonal value is fixed to $-1.0$,
\item number of vectors in matrix $S$ (i.e. value of $s$),
\item maximum number of iterations $\MIC$ and precision $\TOLC$ for CGLS method,
\item maximum number of iterations and precision for the classical GMRES method,
\item maximum number of restarts for the Arnorldi process in GMRES method,
\item matrix off-diagonal value is fixed to $-1.0$,
\item number of vectors in matrix $S$ (i.e. value of $s$),
\item maximum number of iterations $\MIC$ and precision $\TOLC$ for CGLS method,
\item maximum number of iterations and precision for the classical GMRES method,
\item maximum number of restarts for the Arnorldi process in GMRES method,