Xpress NLP solver implementation (#205) #206
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Co-authored-by: Joaquim Dias Garcia <[email protected]>
odow
reviewed
May 17, 2023
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| # Passing constraints to the solver | ||
| for i in 0:length(model.nlp_constraint_info)-1 | ||
| Lib.XPRSnlpchgformulastring(model.inner, Cint(i), join(["+"," ",to_str(model.nlp_constraint_info[i+1].expression)])) |
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For realz? The API is to pass it as a string?
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Ah. Seems like you can also pass tape:
https://www.fico.com/fico-xpress-optimization/docs/latest/solver/nonlinear/HTML/chapAPIFuncs.html?scroll=secAddNLPart
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yes, there is a tape. we were lazy though.
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Closing in favor of #255 |
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