1. grad is a vector

3. q is a vector

4. The dot product of grad and q is div q = 0

5. Homogeneous, isotropicHomogeneous, anisotropic AA B B Heterogeneous, isotropic Heterogeneous, anisotropic A A B B Characteristics of K in two dimensions K is constant Kz Kx

6. Laplace equation 2 h = 0

7. Toth Problem Impermeable Rock Groundwater divide Groundwater divide Laplace Equation 2D, steady state

9. Solution by iteration Example of spreadsheet formula Gauss-Seidel Iteration

10. i, j j i The 5 point star i+1, ji-1, j i, j-1 i, j+1

11. i, j j i

12. q is a vector

13. The dot product of grad and q is div q = 0

14. Homogeneous, isotropicHomogeneous, anisotropic AA B B Heterogeneous, isotropic Heterogeneous, anisotropic A A B B Characteristics of K in two dimensions K is constant Kz Kx

15. Laplace equation 2 h = 0

16. Toth Problem Impermeable Rock Groundwater divide Groundwater divide Laplace Equation 2D, steady state

18. Solution by iteration Example of spreadsheet formula Gauss-Seidel Iteration

19. i, j j i The 5 point star i+1, ji-1, j i, j-1 i, j+1

20. i, j j i