Is there a way to mark a certain point a 3D plot plotted by the mesh function?

I have a 3D surface plotted, where z is a function of x and y and I want to mark a certain point on the surface that has a predefined x,y,z for example i want to mark point(1,2,3)

Answer 1

[darova]

Yes. THere are a few methods: plot3(), scatter3()

[Star Strider]

The stem3 function is another option (and the one I usually use).