examples/laplace.py

nelems=10 Number of elements along edge.
etype=mixed Type of elements (square/triangle/mixed).
btype=std Type of basis function (std/spline), availability depending on the selected element type.
degree=2 Polynomial degree.

optimize

solve

solving 41 dof system to machine precision using arnoldi solver

residual decreased by 15.8 orders using 0 krylov vectors

solver returned with residual 6e-17

constrained 41/441 dofs

optimum value 3.68e-11

solve

solving 400 dof system to machine precision using arnoldi solver

residual decreased by 14.7 orders using 0 krylov vectors

residual decreased by 0.2 orders using 1 krylov vectors

residual decreased by 0.0 orders using 2 krylov vectors

solver returned with residual 2e-15

L2 error: 8.17e-06