ru.sscc.spline.polynomial
Class OddSplinePreparator

java.lang.Object
  |
  +--ru.sscc.spline.creator.SmoothingPreparator
        |
        +--ru.sscc.spline.polynomial.OddSplinePreparator

public class OddSplinePreparator

extends SmoothingPreparator

The implementation of SmoothingPreparator for a polynomail spline of odd degree.

See Also:

Serialized Form

Field Summary

protected MatrixPreparator	preparator Preparator used for matrices calculation.
protected CholeskyBandSolver	solver Solver used for calculation.

Fields inherited from class ru.sscc.spline.creator.SmoothingPreparator

matrixMultiple, solverPrepared, sourceSize, weightMultiple, weights

Constructor Summary

OddSplinePreparator(SimpleMesh mesh, int order)
Constructor.

Method Summary

double	calculationCost() Returns a number of arithmetic operations needed for calculation of spline coefficients.
java.lang.Object	clone() Returns a nonprepared clone.
RectBandedMatrix	getH() Returns the finite differences' matrix.
CholeskyBandSolver	getSolver() Returns the solver used in the preparator or null if the solver is not prepared yet.
void	prepareSolver(double alpha) Prepares a solver (CholeskyBandSolver in this case) for calculations with specified alpha.
void	solve(RealVector values, RealVector data, RealVector residual) Calculates spline coefficients and smoothing residual by interpolation values.

Methods inherited from class ru.sscc.spline.creator.SmoothingPreparator

ensureSolverPrepared, getAccuracy, getAlpha, isSolverPrepared, prepareMultiples, prepareWeights, residual, selectAlpha, setAccuracy

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

preparator

protected MatrixPreparator preparator

Preparator used for matrices calculation.

solver

protected CholeskyBandSolver solver

Solver used for calculation.

Constructor Detail

OddSplinePreparator

public OddSplinePreparator(SimpleMesh mesh,
                           int order)

Constructor.

Parameters:

mesh - a mesh of nodes

order - a difference order

Method Detail

clone

public java.lang.Object clone()

Returns a nonprepared clone.

Overrides:

clone in class SmoothingPreparator

getH

public RectBandedMatrix getH()

Returns the finite differences' matrix.

prepareSolver

public void prepareSolver(double alpha)
                   throws CalculatingException

Prepares a solver (CholeskyBandSolver in this case) for calculations with specified alpha. The value alpha = Double.POSITIVE_INFINITY is permitted.

Overrides:

prepareSolver in class SmoothingPreparator

getSolver

public final CholeskyBandSolver getSolver()

Returns the solver used in the preparator or null if the solver is not prepared yet.

solve

public void solve(RealVector values,
                  RealVector data,
                  RealVector residual)

Calculates spline coefficients and smoothing residual by interpolation values.

Overrides:

solve in class SmoothingPreparator

Parameters:

values - interpolation values at mesh nodes

data - a vector to store spline coefficients

residual - a vector to store residual (if it is equal to null, the residual is not needed)

calculationCost

public double calculationCost()

Returns a number of arithmetic operations needed for calculation of spline coefficients.

Overrides:

calculationCost in class SmoothingPreparator