issue_comments: 1112331624

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https://github.com/pydata/xarray/issues/4397#issuecomment-1112331624 https://api.github.com/repos/pydata/xarray/issues/4397 1112331624 IC_kwDOAMm_X85CTNVo 2448579 2022-04-28T15:13:36Z 2022-04-28T15:13:36Z MEMBER

It seems like one issue here is that stack + unstack doesn't roundtrip a non-dim coord variable we start with ```

Coordinates: R (pol_idx) float64 1.0 0.9979 0.9918 0.9816 ... -0.9918 -0.9979 -1.0 Z (pol_idx) float64 0.0 0.06407 0.1279 ... 0.1279 0.06407 1.225e-16 ```

and end with ```

Coordinates: R (pol_idx, phi) float64 1.0 1.0 1.0 1.0 1.0 ... -1.0 -1.0 -1.0 -1.0 Z (pol_idx, phi) float64 0.0 0.0 0.0 ... 1.225e-16 1.225e-16 ```

But I don't think that's unexpected given the report.

@kripnerl Sorry for the really late response. Can you clarify which behaviour is surprising to you here?

 
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