petsc4py.PETSc.KSP.CGTRNormType

class petsc4py.PETSc.KSP.CGTRNormType

Bases: object

KSPCG norm types for the trust-region constraint.

PRECONDITIONED

Use the norm induced by the symmetric positive definite matrix whose inverse is applied by the preconditioner.

UNPRECONDITIONED

Use the Euclidean norm (default).

See also

KSP.setCGTRNormType, KSPCGTRNormType

Attributes Summary

PRECONDITIONED	Constant PRECONDITIONED of type int
UNPRECONDITIONED	Constant UNPRECONDITIONED of type int

Attributes Documentation

PRECONDITIONED: int = PRECONDITIONED

Constant PRECONDITIONED of type int

UNPRECONDITIONED: int = UNPRECONDITIONED

Constant UNPRECONDITIONED of type int