Matrix assembly

The general idea of the system matrix assembly has been outlined in FEM formulation. A few more technical notes will be given here.

Fig. 12 Matrix assembly

TODO – Size estimate

• https://en.wikipedia.org/wiki/Sparse_matrix

• https://docs.scipy.org/doc/scipy/reference/generated/scipy.sparse.csr_matrix.html#scipy.sparse.csr_matrix

• https://stackoverflow.com/questions/10522296/how-to-assemble-large-sparse-matrices-effectively-in-python-scipy