AC Optimal Power Flow in Various Nonlinear Optimization Frameworks

Specific Domains Optimization (Mathematical)
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What do you consider sparse? the number of structural non-zeros is roughly 3% for the IEEE118 case:

(NonZeros, Entries) = (1506, 55696)

And the percentage only goes down for larger cases. For the 2383 case we have:

(NonZeros, Entries) = (30636, 22714756)
(MaxColor, Size)    = (20, 4766)

That’s roughly 0.15% of structural non-zeros. SymbolicAD seems to leverage this structure properly though.

I just uploaded it to Github. Just run test.jl and that’s it.
EDIT: I forgot to mention that right now I’m only computing the PF Hessians and Jacobians. I will compute those terms for the constraints as well, but I haven’t implemented that yet.

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