org.matheclipse.core.convert

Class JASIExpr

java.lang.Object

org.matheclipse.core.convert.JASIExpr

public class JASIExpr
extends java.lang.Object

Convert JAS objects from and to MathEclipse IExpr objects Note:: set the "no complex number" flag to false to allow complex numbers on input in method expr2IExprJAS(IExpr)

Constructor Summary

Constructors

Constructor and Description
JASIExpr(IExpr variable, boolean numericFunction)
JASIExpr(IExpr variable, edu.jas.structure.RingFactory<IExpr> ringFactory)
JASIExpr(IExpr variable, edu.jas.structure.RingFactory<IExpr> ringFactory, boolean numericFunction)
JASIExpr(java.util.List<? extends IExpr> variablesList)
JASIExpr(java.util.List<? extends IExpr> variablesList, boolean numericFunction)
JASIExpr(java.util.List<? extends IExpr> variablesList, edu.jas.structure.RingFactory<IExpr> ringFactory)
JASIExpr(java.util.List<? extends IExpr> variablesList, edu.jas.structure.RingFactory<IExpr> ringFactory, edu.jas.poly.TermOrder termOrder, boolean numericFunction)

Method Summary

Modifier and Type	Method and Description
IExpr	complexPoly2Expr(edu.jas.poly.GenPolynomial<edu.jas.poly.Complex<edu.jas.arith.BigRational>> poly) Convert a JAS complex polynomial to IExpr.
edu.jas.poly.GenPolynomial<IExpr>	expr2IExprJAS(ExprPolynomial exprPoly)
edu.jas.poly.GenPolynomial<IExpr>	expr2IExprJAS(IExpr exprPoly) Convert the given expression into a JAS polynomial.
IExpr	exprPoly2Expr(edu.jas.poly.GenPolynomial<IExpr> poly) Converts a JAS polynomial to a MathEclipse AST with head Plus
IExpr	exprPoly2Expr(edu.jas.poly.GenPolynomial<IExpr> poly, IExpr variable) Converts a JAS polynomial to a MathEclipse AST with head Plus
java.lang.Object[]	factorTerms(edu.jas.poly.GenPolynomial<edu.jas.arith.BigRational> A) BigInteger from BigRational coefficients.
edu.jas.poly.GenPolynomialRing<IExpr>	getPolynomialRingFactory()
edu.jas.poly.GenPolynomial<edu.jas.arith.BigInteger>	integerFromRationalCoefficients(edu.jas.poly.GenPolynomial<edu.jas.arith.BigRational> A) BigInteger from BigRational coefficients.
IExpr	integerPoly2Expr(edu.jas.poly.GenPolynomial<edu.jas.arith.BigInteger> poly) Convert a JAS integer polynomial to IExpr.
boolean	monomialToExpr(IExpr coeff, edu.jas.poly.ExpVector exp, IAST monomTimes)

Methods inherited from class java.lang.Object

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

Constructor Detail

JASIExpr

public JASIExpr(IExpr variable,
                boolean numericFunction)

JASIExpr

public JASIExpr(IExpr variable,
                edu.jas.structure.RingFactory<IExpr> ringFactory)

JASIExpr

public JASIExpr(IExpr variable,
                edu.jas.structure.RingFactory<IExpr> ringFactory,
                boolean numericFunction)

JASIExpr

public JASIExpr(java.util.List<? extends IExpr> variablesList)

JASIExpr

public JASIExpr(java.util.List<? extends IExpr> variablesList,
                boolean numericFunction)

JASIExpr

public JASIExpr(java.util.List<? extends IExpr> variablesList,
                edu.jas.structure.RingFactory<IExpr> ringFactory)

JASIExpr

public JASIExpr(java.util.List<? extends IExpr> variablesList,
                edu.jas.structure.RingFactory<IExpr> ringFactory,
                edu.jas.poly.TermOrder termOrder,
                boolean numericFunction)

Method Detail

complexPoly2Expr

public IExpr complexPoly2Expr(edu.jas.poly.GenPolynomial<edu.jas.poly.Complex<edu.jas.arith.BigRational>> poly)
                       throws java.lang.ArithmeticException,
                              java.lang.ClassCastException

Convert a JAS complex polynomial to IExpr.

Parameters:

poly -

Returns:

Throws:

java.lang.ArithmeticException

java.lang.ClassCastException

expr2IExprJAS

public edu.jas.poly.GenPolynomial<IExpr> expr2IExprJAS(IExpr exprPoly)
                                                throws JASConversionException

Convert the given expression into a JAS polynomial. Only symbolic numbers are converted (i.e. no INum or IComplexNum values are converted into the polynomial structure) Note:: set the "no complex number" flag to false to allow complex numbers on input in method expr2IExprJAS(IExpr)

Parameters:

exprPoly -

Returns:

Throws:

JASConversionException

See Also:

#setNoComplexNumber(boolean)}

expr2IExprJAS

public edu.jas.poly.GenPolynomial<IExpr> expr2IExprJAS(ExprPolynomial exprPoly)

exprPoly2Expr

public IExpr exprPoly2Expr(edu.jas.poly.GenPolynomial<IExpr> poly)

Converts a JAS polynomial to a MathEclipse AST with head Plus

Parameters:

poly - a JAS polynomial

Returns:

Throws:

java.lang.ArithmeticException

java.lang.ClassCastException

exprPoly2Expr

public IExpr exprPoly2Expr(edu.jas.poly.GenPolynomial<IExpr> poly,
                           IExpr variable)

Converts a JAS polynomial to a MathEclipse AST with head Plus

Parameters:

poly - a JAS polynomial

variable -

Returns:

Throws:

java.lang.ArithmeticException

java.lang.ClassCastException

monomialToExpr

public boolean monomialToExpr(IExpr coeff,
                              edu.jas.poly.ExpVector exp,
                              IAST monomTimes)

factorTerms

public java.lang.Object[] factorTerms(edu.jas.poly.GenPolynomial<edu.jas.arith.BigRational> A)

BigInteger from BigRational coefficients. Represent as polynomial with BigInteger coefficients by multiplication with the gcd of the numerators and the lcm of the denominators of the BigRational coefficients.

Parameters:

A - polynomial with BigRational coefficients to be converted.

Returns:

Object[] with 3 entries: [0]->gcd [1]->lcm and [2]->polynomial with BigInteger coefficients.

getPolynomialRingFactory

public edu.jas.poly.GenPolynomialRing<IExpr> getPolynomialRingFactory()

Returns:

the fPolyFactory

integerFromRationalCoefficients

public edu.jas.poly.GenPolynomial<edu.jas.arith.BigInteger> integerFromRationalCoefficients(edu.jas.poly.GenPolynomial<edu.jas.arith.BigRational> A)

BigInteger from BigRational coefficients. Represent as polynomial with BigInteger coefficients by multiplication with the lcm of the numerators of the BigRational coefficients.

Parameters:

A - polynomial with BigRational coefficients to be converted.

Returns:

polynomial with BigInteger coefficients.

integerPoly2Expr

public IExpr integerPoly2Expr(edu.jas.poly.GenPolynomial<edu.jas.arith.BigInteger> poly)
                       throws java.lang.ArithmeticException,
                              java.lang.ClassCastException

Convert a JAS integer polynomial to IExpr.

Parameters:

poly -

Returns:

Throws:

java.lang.ArithmeticException

java.lang.ClassCastException