JSci.maths.polynomials
Interface Polynomial

All Superinterfaces:

AbelianGroup.Member, Member, Ring.Member, java.io.Serializable

All Known Implementing Classes:

ComplexPolynomial, RealPolynomial

public interface Polynomial
extends Ring.Member

A Polynomial as a Ring.Member over a Field

Author:

b.dietrich

Field Summary

static double

POLYEPS EPS for equality testing

Method Summary

int	degree() The degree
Polynomial	divide(Field.Member a) Return a new Polynomial with coefficients divided by a
Field.Member	getCoefficient(int k) Get the coefficient of degree k, i.e.
Field.Member[]	getCoefficients() Get the coefficients as an array
Polynomial	multiply(Field.Member a) Return a new Polynomial with coefficients multiplied by a

Methods inherited from interface JSci.maths.fields.Ring.Member

multiply

Methods inherited from interface JSci.maths.groups.AbelianGroup.Member

add, negate, subtract

Field Detail

POLYEPS

static final double POLYEPS

EPS for equality testing

See Also:

Constant Field Values

Method Detail

getCoefficient

Field.Member getCoefficient(int k)

Get the coefficient of degree k, i.e. a_k if P(x) := sum_{k=0}^n a_k x^k

Parameters:

k - degree

Returns:

coefficient as described above

getCoefficients

Field.Member[] getCoefficients()

Get the coefficients as an array

Returns:

the coefficients as an array

degree

int degree()

The degree

Returns:

the degree

divide

Polynomial divide(Field.Member a)

Return a new Polynomial with coefficients divided by a

Parameters:

a - divisor

Returns:

new Polynomial with coefficients /= a

multiply

Polynomial multiply(Field.Member a)

Return a new Polynomial with coefficients multiplied by a

Parameters:

a - factor

Returns:

new Polynomial with coefficients *= a