15-May-2025 07:45:54 helmholtz_exact_test(): MATLAB/Octave version 6.4.0 Test helmholtz_exact(). rho = 0 Graphics saved as "helmholtz_exact_m0_n1.png" Graphics saved as "helmholtz_exact_m1_n2.png" Graphics saved as "helmholtz_exact_m2_n3.png" helmholtz_exact_test(): Normal end of execution. 15-May-2025 07:45:55