[Nonlinear] allow univariate operators with only gradient information #2542
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odow
commented
Sep 3, 2024
| try | ||
| _validate_register_assumptions(f′, op, 1) | ||
| f′′ = _checked_derivative(f′, op) | ||
| return _UnivariateOperator(f, f′, f′′) |
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I guess one open question is this behavior: do we always try to ForwardDiff f′ and fall back to not providing the Hessian if it fails?
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I'll run https://github.com/jump-dev/MathOptInterface.jl/actions/runs/10764818835 to double check this is okay. |
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D'oh. This will break a test in JuMP, because now univariate operators do not need Hessians. I should remove that test before we release this. |
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Closes #2534