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3D surfaces and graphs are very important in data analysis and expression of physical phenomenons. You can draw 3D graphs in Matlab very easily. In here we will explain how to draw 3D graphs in Matlab with ‘mesh()’ command.
Creating 3D graphs in MatLab is very easy as you see above. Before the use mesh() command to create 3D graphs, you need to create 3D domain with meshgrid() command. This 3D domain will provide an area to illustrate 3D graph. This 3D domain will include three of axes, 2 axes will be the vectors, and the 3rd one will be derived from function or polynomial.
For example, we created two of vectors with meshgrid() command which are X and Y as shown by red arrow above. meshgrid() creates both vectors and domain in same time. Also we defined a function that define with X and Y vector variables as shown by green and blue arrows. What you need to do is, type mesh() and write the first two vectors and function that you created from these variables as shown in blue box.
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Press ‘Enter’ from your keyboard to create 3D graph in MatLab like above. There are lots of kinds of editing options and tools on that graph such as, addition of legends, titles, labels on created graph. You can also save this graph into your computer.
The use of mesh() command to create 3D graphs is very basic like above in Matlab. Do not forget to leave your comments and questions below about 3D graph drawing in Matlab. If you wish, we can upload more complex examples of creating 3D graphs. Your precious feedbacks are very important for us.