org.vizzini.math
Class Quadratic

java.lang.Object
  org.vizzini.math.Quadratic

public final class Quadratic
extends Object

Provides a quadratic equation. The quadratic equation is Ax^2 + Bx + C = 0.

Since:

v0.2

Version:

v0.2

Author:

Jeffrey M. Thompson

Constructor Summary

Quadratic(double a, double b, double c)
Construct this object using the given parameters.

Method Summary

double	evaluate(double x) Return the result of using the given parameter in the quadratic equation Ax^2 + Bx + C.
double	getA() Return the A component.
double	getB() Return the B component.
double	getC() Return the C component.
double[]	solutions() Return the solution(s) of this quadratic equation.

Methods inherited from class java.lang.Object

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

Constructor Detail

Quadratic

public Quadratic(double a,
                 double b,
                 double c)

Construct this object using the given parameters.

Since:

v0.2

Method Detail

getA

public double getA()

Return the A component.

Since:

v0.2

getB

public double getB()

Return the B component.

Since:

v0.2

getC

public double getC()

Return the C component.

Since:

v0.2

evaluate

public double evaluate(double x)

Return the result of using the given parameter in the quadratic equation Ax^2 + Bx + C. If x is a solution to the equation, the answer is 0.0.

Parameters:

x - Input parameter.

Since:

v0.2

solutions

public double[] solutions()

Return the solution(s) of this quadratic equation. This method ignores imaginary solutions.

Returns:

Array of zero, one or two solutions. The solutions are in increasing order.

Since:

v0.2