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added nand gate problem benchmark #1303

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Aug 2, 2025
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jayantpranjal0
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Add any other context about the problem here.

@jayantpranjal0
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@ChrisRackauckas

M = zeros(14, 14)
capacitance_matrix!(M, y0, 0.0)
f = ODEFunction(nand_rhs!, mass_matrix=M)
prob = ODEProblem(f, y0, tspan)
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Needs a DAEProblem formulation as well to test IDA, and should have an MTK version. See the other DAE benchmarks.

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Note that the 3 can all be generated from the same form so it shouldn't be too much more code, and the static array version isn't necessary here.

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Can you show the validation plots of the solution from the original benchmark specification vs the ones generated with this to eyeball that it's the same standard DAE?

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The validation plots look correct.

@ChrisRackauckas ChrisRackauckas closed this pull request by merging all changes into SciML:master in 15cdd7d Aug 2, 2025
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2 participants