public abstract class IterativeLinearSolver extends Object
| Constructor and Description |
|---|
IterativeLinearSolver(int maxIterations)
Creates a new instance of this class, with default iteration manager.
|
IterativeLinearSolver(IterationManager manager)
Creates a new instance of this class, with custom iteration manager.
|
| Modifier and Type | Method and Description |
|---|---|
protected static void |
checkParameters(RealLinearOperator a,
RealVector b,
RealVector x0)
Performs all dimension checks on the parameters of
solve and
solveInPlace,
and throws an exception if one of the checks fails. |
IterationManager |
getIterationManager()
Returns the iteration manager attached to this solver.
|
RealVector |
solve(RealLinearOperator a,
RealVector b)
Returns an estimate of the solution to the linear system A · x =
b.
|
RealVector |
solve(RealLinearOperator a,
RealVector b,
RealVector x0)
Returns an estimate of the solution to the linear system A · x =
b.
|
abstract RealVector |
solveInPlace(RealLinearOperator a,
RealVector b,
RealVector x0)
Returns an estimate of the solution to the linear system A · x =
b.
|
public IterativeLinearSolver(int maxIterations)
maxIterations - the maximum number of iterationspublic IterativeLinearSolver(IterationManager manager) throws NullArgumentException
manager - the custom iteration managerNullArgumentException - if manager is nullprotected static void checkParameters(RealLinearOperator a, RealVector b, RealVector x0) throws NullArgumentException, NonSquareOperatorException, DimensionMismatchException
solve and
solveInPlace,
and throws an exception if one of the checks fails.a - the linear operator A of the systemb - the right-hand side vectorx0 - the initial guess of the solutionNullArgumentException - if one of the parameters is nullNonSquareOperatorException - if a is not squareDimensionMismatchException - if b or x0 have
dimensions inconsistent with apublic IterationManager getIterationManager()
public RealVector solve(RealLinearOperator a, RealVector b) throws NullArgumentException, NonSquareOperatorException, DimensionMismatchException, MaxCountExceededException
a - the linear operator A of the systemb - the right-hand side vectorNullArgumentException - if one of the parameters is nullNonSquareOperatorException - if a is not squareDimensionMismatchException - if b has dimensions
inconsistent with aMaxCountExceededException - at exhaustion of the iteration count,
unless a custom
callback
has been set at construction of the IterationManagerpublic RealVector solve(RealLinearOperator a, RealVector b, RealVector x0) throws NullArgumentException, NonSquareOperatorException, DimensionMismatchException, MaxCountExceededException
a - the linear operator A of the systemb - the right-hand side vectorx0 - the initial guess of the solutionNullArgumentException - if one of the parameters is nullNonSquareOperatorException - if a is not squareDimensionMismatchException - if b or x0 have
dimensions inconsistent with aMaxCountExceededException - at exhaustion of the iteration count,
unless a custom
callback
has been set at construction of the IterationManagerpublic abstract RealVector solveInPlace(RealLinearOperator a, RealVector b, RealVector x0) throws NullArgumentException, NonSquareOperatorException, DimensionMismatchException, MaxCountExceededException
a - the linear operator A of the systemb - the right-hand side vectorx0 - initial guess of the solutionx0 (shallow copy) updated with the
solutionNullArgumentException - if one of the parameters is nullNonSquareOperatorException - if a is not squareDimensionMismatchException - if b or x0 have
dimensions inconsistent with aMaxCountExceededException - at exhaustion of the iteration count,
unless a custom
callback
has been set at construction of the IterationManagerCopyright © 2003–2016 The Apache Software Foundation. All rights reserved.