25 #ifndef MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_ 26 #define MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_ 48 double derivative(
const Function& f,
const double x);
70 #endif // MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_ double derivative2nd(const Function &f, const double x)
double derivative(const Function &f, const double x)