1. batch_two_prints

2. batch_loop

3. arithmetic.pro

4. matrix.pro

5. fit_y.pro Data file: ex_y.dat

6. fit_xy.pro Data file: ex_xy.dat

7. xsurface.pro Data file: ex_surf_60x60.dat

8. mesh_surf.pro

9. shade_surf.pro

10. triangulate.pro Data file: ex_tri.dat

11. tri_shade.pro

12. making_waves.pro

13. tri_save_ps.pro Data file: ex_tri.dat