| -ksp_fcg_mmax <N> | - maximum number of search directions | |
| -ksp_fcg_nprealloc <N> | - number of directions to preallocate | |
| -ksp_fcg_truncation_type <standard,notay> | - truncation approach for directions |
Contributed by Patrick Sanan
| 1. | - Notay, Y."Flexible Conjugate Gradients", SIAM J. Sci. Comput. 22:4, 2000 | |
| 2. | - Axelsson, O. and Vassilevski, P. S. "A Black Box Generalized Conjugate Gradient Solver with Inner Iterations and Variable step Preconditioning", SIAM J. Matrix Anal. Appl. 12:4, 1991 |
.seealso : KSPGCR, KSPFGMRES, KSPCG, KSPFCGSetMmax(), KSPFCGGetMmax(), KSPFCGSetNprealloc(), KSPFCGGetNprealloc(), KSPFCGSetTruncationType(), KSPFCGGetTruncationType()