3d plotting of experimental data

I wish to plot a matrix in 3D. Plot3 seems like a sensible place to start. The size of the matrix is 3001,6001 and the variables are floating point. The variables are not generated by an equation but are experimental measurements. How do I go about this?

Answer 1

[Fangjun Jiang]

try

surf(YourMatrix)
mesh(YourMatrix)