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 * 
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 * 
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package jhplot.math.num;


/**
 * 

 * A single variable function.
 * 
 * 

 * References:
 * 

 * 
 Eric W. Weisstein. "Function." From MathWorld--A Wolfram Web Resource.
 * 
 * http://mathworld.wolfram.com/Function.html 
 * 
 * 

 * 
 * @version $Revision: 1.2 $ $Date: 2007/10/25 04:44:15 $
 */
public interface Function {

    /**
     * Evaluate this function, f, at the domain value x.
     * 
     * @param x the evaluation point.
     * @return f(x)
     * @throws NumericException if the function can not be computed.
     */
    double evaluate(double x) throws NumericException;
}