Class PowerFunction2D

  • All Implemented Interfaces:
    java.io.Serializable, Function2D

    public class PowerFunction2D
    extends java.lang.Object
    implements Function2D, java.io.Serializable
    A function of the form y = a * x ^ b.
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private double a
      The 'a' coefficient.
      private double b
      The 'b' coefficient.
    • Constructor Summary

      Constructors 
      Constructor Description
      PowerFunction2D​(double a, double b)
      Creates a new power function.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)
      Tests this function for equality with an arbitrary object.
      double getA()
      Returns the 'a' coefficient that was specified in the constructor.
      double getB()
      Returns the 'b' coefficient that was specified in the constructor.
      double getValue​(double x)
      Returns the value of the function for a given input ('x').
      int hashCode()
      Returns a hash code for this instance.
      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • a

        private double a
        The 'a' coefficient.
      • b

        private double b
        The 'b' coefficient.
    • Constructor Detail

      • PowerFunction2D

        public PowerFunction2D​(double a,
                               double b)
        Creates a new power function.
        Parameters:
        a - the 'a' coefficient.
        b - the 'b' coefficient.
    • Method Detail

      • getA

        public double getA()
        Returns the 'a' coefficient that was specified in the constructor.
        Returns:
        The 'a' coefficient.
      • getB

        public double getB()
        Returns the 'b' coefficient that was specified in the constructor.
        Returns:
        The 'b' coefficient.
      • getValue

        public double getValue​(double x)
        Returns the value of the function for a given input ('x').
        Specified by:
        getValue in interface Function2D
        Parameters:
        x - the x-value.
        Returns:
        The value.
      • equals

        public boolean equals​(java.lang.Object obj)
        Tests this function for equality with an arbitrary object.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        obj - the object (null permitted).
        Returns:
        A boolean.
      • hashCode

        public int hashCode()
        Returns a hash code for this instance.
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        A hash code.