petsc-3.7.1 2016-05-15
Report Typos and Errors

KSPBuildResidual

Builds the residual in a vector provided.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPBuildResidual(KSP ksp,Vec t,Vec v,Vec *V)
Collective on KSP Many br

Input Parameter

ksp -iterative context obtained from KSPCreate() Many br

Output Parameters

v - optional location to stash residual. If v is not provided, Many brthen a location is generated. Many br
t - work vector. If not provided then one is generated. Many br
V - the residual Many br

Notes

Regardless of whether or not v is provided, the residual is Many brreturned in V. Many br

Many br

Keywords

KSP, build, residual

See Also

KSPBuildSolution()

Level:advanced
Location:
src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex42.c.html