Class IdentityPreconditioner¶

Class Documentation¶

class IdentityPreconditioner¶

Simple preconditioner that returns the given vector unchanged.

Public Functions

IdentityPreconditioner() = default¶

Default constructor

inline IdentityPreconditioner(const CSRMatrix&)¶

Constructs an identity preconditioner for the matrix A.

Parameters:

A –

virtual ~IdentityPreconditioner() = default¶

inline Vector rhs(const Vector &b) const¶

Returns the preconditioned right-hand-side \(P(b) = b\).