public interface  oadd.org.apache.commons.math.optimization.fitting.ParametricRealFunction extends java.lang.Object
{
public abstract double value(double, double[]) throws oadd.org.apache.commons.math.FunctionEvaluationException;
public abstract double[] gradient(double, double[]) throws oadd.org.apache.commons.math.FunctionEvaluationException;
}