25#ifndef MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
26#define MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
double derivative2nd(const Function &f, const double x)
std::array< std::vector< double >, N > Coordinates
Used to pass the grid coordinates to interpn. Internally will make a copy of the required values.
double derivative(const Function &f, const double x)
NAryFunction< 1 > Function
Alias for an unary function.