package numericalAnalysis.function;

/**
 * 函數的定義
 * 
 * @author 山
 *
 */
public interface Function {
	/**
	 * 函數f(x)
	 * 
	 * @param x y=f(x)的x
	 * @return y=f(x)的y
	 */
	public double f(double x);
	
	/**
	 * 函數f(x,y)
	 * 
	 * @param x z=f(x,y)的x
	 * @param y z=f(x,y)的y
	 * @return z=f(x,y)的z
	 */
	public double f(double x,double y);
}