vec_math
Interface Derivative

All Superinterfaces:
Function
All Known Subinterfaces:
Differentiable
All Known Implementing Classes:
IdentFunction, Legendre, Polynom, RecursivePolynom.Constant, RecursivePolynom.Linear

public interface Derivative
extends Function

A function that also calculates it first derivative. Replaces the Differentiable interface in cases, where only the first derivative is needed.


Method Summary
 double derivative(double t)
          Calculates the first derivative of the function at the given argument value, i.e.
 
Methods inherited from interface vec_math.Function
evaluate
 

Method Detail

derivative

double derivative(double t)
Calculates the first derivative of the function at the given argument value, i.e. we return df/dx(x).