Mixed Poisson: inconsistency in the description of function spaces Q&V
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Research direction
Open the mixed Poisson section linked in the issue and compare its descriptions of Q and V with the implementation. Correct the function-space assignments so p is in the first-order BDM space and u is in the zeroth-degree DG space, then reread the section to confirm the text is consistent.
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Description
Thank you for collecting such a rich tutorial about dolfinx etcie.
While reading the section related to the mixed Poisson problem, the following seems inconsistent
By reversing the description, it becomes consistent with the implementation:
- $p \in Q$ is defined in the 1st order BDM space
- $u \in V$ as the 0th degree DG space
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