Plotting plane waves and their fft2 plots

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Evolution
Evolution on 15 Mar 2015
Commented: James Evans on 29 Jun 2022
I have been trying to plot a 2d plane wave like the one given below using surf and ezsurf but no luck .Similarly the fft2 plot is different .I am interested in knowing which commands to use to reproduce such figures and fft plot?
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James Evans
James Evans on 29 Jun 2022
Hi there, did you find a solution to this?
All the best,
James

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