Virtual Element Example

[termi-official]

Maybe we can generalize the code further by implementing a virtual element example. A minimal implementation is given in [1] as a starting point.

[1] Sutton, O.J. The virtual element method in 50 lines of MATLAB. Numer Algor 75, 1141–1159 (2017). https://doi.org/10.1007/s11075-016-0235-3