-pc_use_amat | - use the matrix that defines the linear system, Amat as the matrix for the inner solver, otherwise by default it uses the matrix used to construct the preconditioner, Pmat (see PCSetOperators()) |

PCSHELL, PCCOMPOSITE, PCSetUseAmat(), PCKSPGetKSP()

Index of all PC routines

Table of Contents for all manual pages

Index of all manual pages