How to plot the 2d complex function with amplitude and phase

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Qiu Xu on 21 Jan 2022

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https://ch.mathworks.com/matlabcentral/answers/1633390-how-to-plot-the-2d-complex-function-with-amplitude-and-phase

Commented: Qiu Xu on 22 Jan 2022

Accepted Answer: Cris LaPierre

I have a 2d complex function as follows

psi=sqrt(x^2+y^2)*exp(-(x^2+y^2)/16)*exp(i*atan2(y,x));

How to realize the following figure by using Matlab?

In this image, the color on the ring presents the changes of phase of the function from small to big.

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Accepted Answer

Cris LaPierre on 22 Jan 2022

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https://ch.mathworks.com/matlabcentral/answers/1633390-how-to-plot-the-2d-complex-function-with-amplitude-and-phase#answer_879340

Perhaps you would be interested in this File Exchange submission:

https://www.mathworks.com/matlabcentral/fileexchange/66850-complex-function-visualization-amplitude-phase

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Qiu Xu on 22 Jan 2022

Thanks for your helps

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