NutilsDeprecationWarning: function.norm2 is deprecated; use numpy.linalg.norm instead
In /usr/local/lib/python3.11/dist-packages/nutils/function.py:1226
solve
solving 82 dof system to machine precision using arnoldi solver
constructing direct preconditioner
residual decreased by 14.8 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
UserWarning: inexact integration for polynomial of degree 8
In /usr/local/lib/python3.11/dist-packages/nutils/points.py:395
locate detected linear geometry: x = [-1. -1.] + [0.28571429 0.28571429] xi ~[1.66533454e-16 1.38777878e-16]