Introduction - If you have any usage issues, please Google them yourself
Fitting quadratic interpolation procedure _VB, according to data provided by 10 points, the coordinates (,,) and the coordinates of points to be seeking to require the use of mobile fitting conics by grid point P (,) around 10 known to be obtained interpolation point for point of elevation grid points P, the corresponding procedures for the preparation and testing, the final solution point P calculated the elevation grid.