Figure 2.
Illustration showing at which nodes in the grid plane the exact and approximate equations are valid when |$\text {Lt} = 2$|. This illustration is valid for the prismatic cells (1,1) and (6,7).
Illustration showing at which nodes in the grid plane the exact and approximate equations are valid when |$\text {Lt} = 2$|. This illustration is valid for the prismatic cells (1,1) and (6,7).
