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evaluating solution function for a specific resonance from 1.7.1 PML

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2 years 1 month ago #4276 by ajf367
evaluating solution function for a specific resonance from 1.7.1 PML was created by ajf367
Hello, 

I am following along with the "Eigenvalue problem" example in the 1.7.1 tutorial for Perfectly Matched Layers and have experimented with a couple of different geometries. Moreover, I know how to solve a 2d helmholtz on a circle and can obtain a resonance value in NGSolve that corresponds to the resonance value I obtain analytically. 

My question is: does the software allow for me to access the numerical solution to the Helmholtz for a given resonance value? I'm hoping to be able to evaluate u at various point within the domain but am unsure how to proceed. 

Thank you for any help 
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