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Dual and KKT for Nonlinear Problems #89

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michaelbynum
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This PR adds some functionality to:

  1. Generate the dual problem for nonlinear (assumed to be convex) problems

    • this is done carefully so the dual can efficiently be rebuilt when the model is modified (e.g., fixing a variable, branching, etc.)
  2. Generate the KKT conditions for general Pyomo models

These are the first steps toward a general solver for non-convex min-max problems.

@michaelbynum
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The tests should fail. I need to get a PR merged in Pyomo.

@whart222
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Mike, what's the status of the associated PR for Pyomo?

@michaelbynum michaelbynum marked this pull request as draft August 25, 2022 17:38
@michaelbynum michaelbynum marked this pull request as ready for review August 29, 2022 22:57
@michaelbynum
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The associated Pyomo PR has been merged.

@michaelbynum
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It looks like the tests in pao/duality are not getting picked up?

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2 participants