text: //
  // Created by Pushkar Kumar Jain on 3/21/17.
  //
  //#include "Eigen/Dense"
  #include "main.h"
  
  Eigen::MatrixXd compute_dfxi(double zi, double eta, int nnode, int ndim);
  Eigen::MatrixXd compute_dji(const Eigen::MatrixXd&  xt, double x_g, double y_g, int nnode, int ndim);