# Linear Solvers and Krylov Methods (KSP)
The `KSP` class provides an easy-to-use interface to the combination of
a Krylov subspace iterative method and a preconditioner `PC` for the solution of linear systems and some least squares problems. See
`PETSCREGRESSORLINEAR` for additional regression (least squares) solvers.
Examples
Source files
dmksp.c
iguess.c
itcl.c
itres.c
xmon.c
dlregisksp.c
eige.c
itcreate.c
iterativ.c
itfunc.c
itregis.c
Directories