08-Jan-2022 07:59:32 quad_surface_display_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 quad_surface_display() plots a 3D surface defined by a quadrilateral mesh. Number of nodes = 28 Number of quadrilaterals = 18 QUAD_SURFACE_DISPLAY: Display a surface defined by a quadrilateral mesh. QUAD_SURFACE_DISPLAY: Normal end of execution. quad_surface_display_test(): Normal end of execution. 08-Jan-2022 07:59:35