1, open matlab, enter the following figure in the command line window, and draw the three-dimensional function diagram.

2. After pressing Enter, you can see the drawn 3D function diagram.

3. We can also draw a three-dimensional pie chart and input "pie3([5 3 6 7 9])".

4. After pressing Enter, you can see the three-dimensional pie chart.

5. We can also draw space polygons.

6. The final result is shown in the figure.