edu.jas.application

Class IdealWithRealAlgebraicRoots<D extends GcdRingElem<D> & Rational>

java.lang.Object

edu.jas.application.IdealWithUniv<D>

edu.jas.application.IdealWithRealAlgebraicRoots<D>

All Implemented Interfaces:

java.io.Serializable

public class IdealWithRealAlgebraicRoots<D extends GcdRingElem<D> & Rational>
extends IdealWithUniv<D>

Container for Ideals together with univariate polynomials and real algebraic roots.

Author:

Heinz Kredel

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<java.util.List<BigDecimal>>	droots The list of decimal approximations of the real algebraic roots.
java.util.List<java.util.List<RealAlgebraicNumber<D>>>	ran The list of real algebraic roots.

Fields inherited from class edu.jas.application.IdealWithUniv

ideal, others, upolys

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IdealWithRealAlgebraicRoots() Constructor not for use.
	IdealWithRealAlgebraicRoots(Ideal<D> id, java.util.List<GenPolynomial<D>> up, java.util.List<java.util.List<RealAlgebraicNumber<D>>> rr) Constructor.
	IdealWithRealAlgebraicRoots(IdealWithUniv<D> iu, java.util.List<java.util.List<RealAlgebraicNumber<D>>> rr) Constructor.

Method Summary

Modifier and Type	Method and Description
java.util.List<java.util.List<BigDecimal>>	decimalApproximation() Get decimal approximation of the real root tuples.
void	doDecimalApproximation() compute decimal approximation of the real root tuples.
boolean	isDecimalApproximation() Is decimal approximation of the real roots.
java.lang.String	toScript() Get a scripting compatible string representation.
java.lang.String	toString() String representation of the ideal.

Methods inherited from class java.lang.Object

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

Field Detail

ran

public final java.util.List<java.util.List<RealAlgebraicNumber<D extends GcdRingElem<D> & Rational>>> ran

The list of real algebraic roots.

droots

protected java.util.List<java.util.List<BigDecimal>> droots

The list of decimal approximations of the real algebraic roots.

Constructor Detail

IdealWithRealAlgebraicRoots

protected IdealWithRealAlgebraicRoots()

Constructor not for use.

IdealWithRealAlgebraicRoots

public IdealWithRealAlgebraicRoots(Ideal<D> id,
                                   java.util.List<GenPolynomial<D>> up,
                                   java.util.List<java.util.List<RealAlgebraicNumber<D>>> rr)

Constructor.

Parameters:

id - the ideal

up - the list of univaraite polynomials

rr - the list of real algebraic roots

IdealWithRealAlgebraicRoots

public IdealWithRealAlgebraicRoots(IdealWithUniv<D> iu,
                                   java.util.List<java.util.List<RealAlgebraicNumber<D>>> rr)

Constructor.

Parameters:

iu - the ideal with univariate polynomials

rr - the list of real algebraic roots

Method Detail

toString

public java.lang.String toString()

String representation of the ideal.

Overrides:

toString in class IdealWithUniv<D extends GcdRingElem<D> & Rational>

See Also:

Object.toString()

toScript

public java.lang.String toScript()

Get a scripting compatible string representation.

Overrides:

toScript in class IdealWithUniv<D extends GcdRingElem<D> & Rational>

Returns:

script compatible representation for this Element.

See Also:

Element.toScript()

decimalApproximation

public java.util.List<java.util.List<BigDecimal>> decimalApproximation()

Get decimal approximation of the real root tuples.

doDecimalApproximation

public void doDecimalApproximation()

compute decimal approximation of the real root tuples.

isDecimalApproximation

public boolean isDecimalApproximation()

Is decimal approximation of the real roots.

Returns:

true, if the decimal real roots approximate the real roots.