25 #ifndef MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
26 #define MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
70 #endif // MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
double derivative2nd(const Function &f, const double x)
NAryFunction< 1 > Function
Alias for an unary function.
double derivative(const Function &f, const double x)