public interface  org.apache.commons.math.analysis.differentiation.MultivariateDifferentiableFunction extends java.lang.Object implements org.apache.commons.math.analysis.MultivariateFunction
{
public abstract org.apache.commons.math.analysis.differentiation.DerivativeStructure value(org.apache.commons.math.analysis.differentiation.DerivativeStructure[]) throws org.apache.commons.math.exception.MathIllegalArgumentException;
}