KSPLCD#
Implements the LCD (left conjugate direction) method
Options Database Keys#
-ksp_lcd_restart - number of vectors conjugate
-ksp_lcd_haptol - tolerance for exact convergence (happy ending)
Notes#
Support only for left preconditioning
Contributed by#
Lucia Catabriga luciac@ices.utexas.edu
References#
- CVM+06
L Catabriga, AMP Valli, BZ Melotti, LM Pessoa, and ALGA Coutinho. Performance of LCD iterative method in the finite element and finite difference solution of convection–diffusion equations. Communications in numerical methods in engineering, 22(6):643–656, 2006.
- CCF04
Lucia Catabriga, Alvaro LGA Coutinho, and Leopoldo P Franca. Evaluating the LCD algorithm for solving linear systems of equations arising from implicit SUPG formulation of compressible flows. International Journal for Numerical Methods in Engineering, 60(9):1513–1534, 2004.
- DY04
Yu-Hong Dai and Jinyun Yuan. Study on semi-conjugate direction methods for non-symmetric systems. International journal for numerical methods in engineering, 60(8):1383–1399, 2004.
- YGPC04
JY Yuan, Gene H Golub, Robert J Plemmons, and WAG Cecilio. Semi-conjugate direction methods for real positive definite systems. BIT Numerical Mathematics, 44:189–207, 2004.
See Also#
KSP: Linear System Solvers, KSPCreate(), KSPSetType(), KSPType, KSP, KSPCG,
KSPCGSetType(), KSPLCDSetRestart(), KSPLCDSetHapTol()
Level#
beginner
Location#
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages