ru.sstu.math.util
Class PolynomialUtil

java.lang.Object
  ru.sstu.math.util.PolynomialUtil

public final class PolynomialUtil
extends Object

PolynomialUtil class contains of useful utility methods for PolynomialFunction class.

Since:

Math 1.0

Author:

Denis A. Murashev

Method Summary

static org.apache.commons.math.analysis.polynomials.PolynomialFunction	create()
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	create(double... c)
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	create(org.apache.commons.math.analysis.polynomials.PolynomialFunction p)
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	diff(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, double... a) Provides difference of polynomials.
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	divide(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, double a) Divides polynomial by constant.
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	integrate(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, double a) Provides integral of the polynomial.
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	multiply(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, double a) Provides product of polynomial and scalar value.
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	power(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, int e) Multiplies polynomial by itself for exponent times.
static org.apache.commons.math.analysis.polynomials.PolynomialFunction	sum(org.apache.commons.math.analysis.polynomials.PolynomialFunction p, double... a) Provides sum of polynomials.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction create()

Returns:

zero polynomial

create

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction create(double... c)

Parameters:

c - coefficients

Returns:

polynomial

create

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction create(org.apache.commons.math.analysis.polynomials.PolynomialFunction p)

Parameters:

p - polynomial

Returns:

copy of polynomial

sum

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction sum(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                  double... a)

Provides sum of polynomials.

Parameters:

p - first polynomial

a - second polynomial

Returns:

sum

diff

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction diff(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                   double... a)

Provides difference of polynomials.

Parameters:

p - first polynomial

a - second polynomial

Returns:

difference

multiply

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction multiply(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                       double a)

Provides product of polynomial and scalar value.

Parameters:

p - polynomial

a - constant

Returns:

product

divide

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction divide(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                     double a)

Divides polynomial by constant.

Parameters:

p - polynomial

a - constant

Returns:

result of division

power

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction power(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                    int e)

Multiplies polynomial by itself for exponent times.

Parameters:

p - polynomial

e - exponent

Returns:

polynomial to the exponent power

integrate

public static org.apache.commons.math.analysis.polynomials.PolynomialFunction integrate(org.apache.commons.math.analysis.polynomials.PolynomialFunction p,
                                                                                        double a)

Provides integral of the polynomial.

Parameters:

p - polynomial

a - integration constant

Returns:

integral