19-Sep-2024 07:31:36 surf_test(): MATLAB/Octave version 6.4.0 Test surf(). surf_test01(): surf() plots a 3D surface Z = F(X,Y). Graphics saved as "surf_test01_3d.png". Graphics saved as "surf_test01_2d.png". surf_test(): Normal end of execution. 19-Sep-2024 07:31:46