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discretize-then-optimize

2 notes carry this tag — 2 claims. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• Differentiating a discretized neural-ODE forward pass and discretizing the continuous adjoint ODE give provably different, sometimes divergent, gradients
  claim budding Tier 1 2026-10-01 · neural-odes, adjoint-method, discretize-then-optimize, optimize-then-discretize, numerical-analysis
• The discrete Kelley-Bryson costate recursion and Pontryagin's continuous adjoint are the same object only inside a hypothesis-bound regime; outside it they are a family resemblance, not an identity
  claim budding Tier 1 2026-10-01 · pontryagin, kelley-bryson, costate, adjoint-method, optimal-control