Figure 4
From: A hybridizable direct discontinuous Galerkin method for elliptic problems

Numerical solution for \(\pmb{p=1}\) under different β . \(\beta=1\) (top), \(\beta=2\) (middle), \(\beta=4 \) (bottom).
From: A hybridizable direct discontinuous Galerkin method for elliptic problems
Numerical solution for \(\pmb{p=1}\) under different β . \(\beta=1\) (top), \(\beta=2\) (middle), \(\beta=4 \) (bottom).