Class PolynomialFunction2D

    • Constructor Detail

      • PolynomialFunction2D

        public PolynomialFunction2D​(double[] coefficients)
        Constructs a new polynomial function y = a0 + a1 * x + a2 * x^2 + ... + an * x^n
        Parameters:
        coefficients - an array with the coefficients [a0, a1, ..., an] (null not permitted).
    • Method Detail

      • getCoefficients

        public double[] getCoefficients()
        Returns a copy of the coefficients array that was specified in the constructor.
        Returns:
        The coefficients array.
      • getOrder

        public int getOrder()
        Returns the order of the polynomial.
        Returns:
        The order.
      • getValue

        public double getValue​(double x)
        Returns the function value.
        Specified by:
        getValue in interface Function2D
        Parameters:
        x - the x-value.
        Returns:
        The value.
      • equals

        public boolean equals​(Object obj)
        Tests this function for equality with an arbitrary object.
        Overrides:
        equals in class 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 Object
        Returns:
        A hash code.