Quadratic

java.lang.Object

math.equations.Polynomial

math.equations.Quadratic

public class Quadratic
extends Polynomial

This class represents a quadratic equation and provides functions to help solve them.

Field Summary

Fields
Modifier and Type	Field	Description
`double`	`a`	The coefficient of the quadratic term.
`double`	`b`	The coefficient of the linear term.
`double`	`c`	The constant.
`double`	`discriminant`	The discriminant of the quadratic equation.

Fields inherited from class math.equations.Polynomial

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor Description

Quadratic(double a, double b, double c)
Constructor of quadratic equations.
Method Summary

Modifier and Type Method Description

double[] solutions()
Calculates the solutions of the equation.

double substitute(double x)
Get the value of the quadratic for a given x value.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- a
  
  public final double a
  
  The coefficient of the quadratic term.
- b
  
  public final double b
  
  The coefficient of the linear term.
- c
  
  public final double c
  
  The constant.
- discriminant
  
  public final double discriminant
  
  The discriminant of the quadratic equation.
Constructor Details
- Quadratic
  
  public Quadratic(double a, double b, double c)
  
  Constructor of quadratic equations.
  
  Parameters:
  
  a - The coefficient of the quadratic term. This may not be 0, else it would not be quadratic.
  
  b - The coefficient of the linear term
  
  c - The constant
Method Details
- solutions
  
  public double[] solutions()
  
  Description copied from class: Polynomial
  
  Calculates the solutions of the equation.
  
  Specified by:
  
  solutions in class Polynomial
  
  Returns:
  
  An array of doubles containing the solutions, if any.
- substitute
  
  public double substitute(double x)
  
  Get the value of the quadratic for a given x value.
  
  Parameters:
  
  x - The x value.
  
  Returns:
  
  the value of the polynomial.