14-May-2025 08:21:37 biharmonic_exact_test(): MATLAB/Octave version 6.4.0 Test biharmonic_exact(). Exact solution 1 residual at random points: 1.3039e-08 1.1642e-10 4.6566e-10 -1.8626e-09 7.4506e-09 Exact solution 2 residual at random points: -9.3132e-10 -1.8626e-09 0 -1.4901e-08 -4.6566e-10 Exact solution 3 residual at random points: 6.9389e-18 -1.3878e-17 3.4694e-17 -7.6328e-17 -9.0206e-17 biharmonic_exact_test() Normal end of execution. 14-May-2025 08:21:37