Dear Meep users and Steven:
I'd like to produce different resolutions in different directions in
cylindrical coordination with the certain azimuthal number through coordination
stretching.
I read through "Coordinate Transformation & Invariance in Electromagnetism"
but the result from stretching coordination is not consistent with that without
stretching coordination.
For example, original resolution is 0.1 \epsilon=12.5.
Now I'd like to have the resolution along r as 0.05 and along z as 0.1,
respectively, then new \epsilon I used is
epsilon-diag ( (\ 12.5 2) (\ 12.5 2) 12.5) (the resolution is still 0.1)
But the output field is black.
If I tried epsilon-diag ( (* 12.5 2) (* 12.5 2) 12.5)
The output field is not consistent with the original one.
Maybe I misunderstood that paper but I wonder if anyone has this experience
to share with.
Thank you very much
Adrian
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