fix: assign duals back to stochastic network#1498
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lkstrp merged 2 commits intoPyPSA:masterfrom Dec 18, 2025
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fneum
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The sparsity structure of linopy did not improve, since that is a fundamental xarray issue. A multidimensional constraint always needs space for the highest number of terms (ie strongly meshed buses have many terms, weakly meshed buses have considerably less terms). Rewriting to pyoframe would help :). But that opens another bag of worms. |
Irieo
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This fixes the problem described in issue.
Unrelated to the issue, related to this example: assign_all_duals = True yields our own not implemented flag wrt writing duals for constraints w/o a dedicated place in data structure. This brings us back to this discussion #1474 (comment)
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Closes #1472
Closes #1491
Changes proposed in this Pull Request
A simple to fix but hard to find bug. Writing back duals when stochastic dimension existed, did not work for the branch of having strongly and simply meshed buses in one network. They are assigned differently in that case. The question is if this is still needed.
Checklist
docs.docs/release-notes.mdof the upcoming release is included.