are provided for producing higher-order meshes from a sequence of linear meshes.
The scripts are provided as-is under a modified BSD license (similar to LAPACK's) and are discussed in
J. C. Young, "Higher-Order Mesh Generation Using Linear Meshes [EM Programmer's Notebook]," in IEEE Antennas and Propagation Magazine, vol. 61, no. 2, pp. 120-126, April 2019. doi: 10.1109/MAP.2019.2895599