VIM-Based Dynamic Sparse Grid Approach to Partial Differential Equations

Figure 4

The influence of the condition number to the error (Re=1000, 𝑗=7).

(a) Dynamic external grid points 𝐿 (𝑡=0-0.01, 𝐿=5; 𝑡=0.01-0.02, 𝐿=3; 𝑡=0.02-0.03, 𝐿=5; 𝑡=0.03-0.04, 𝐿=3)

(b) Dynamic L (𝑡=0.04--0.06, 𝐿=3; 𝑡=0.06--0.2, 𝐿=1)