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Monte Carlo Sampling Approach to Solving Stochastic Multistage Programs

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Argues that multistage stochastic linear programs are tractable with Monte Carlo discretization when decisions do not affect the data distribution, using rectangular (marginal) sampling to avoid tracking full histories and cutting-plane approximations (SDDP‑style backward cuts and forward simulation) to approximate convex cost‑to‑go functions. Shows how sampling gives statistical lower and upper bounds, reports empirical success on problems with ~120 stages, 10–20 state dimensions, and warns of exponential sample complexity and difficulty when discount factors approach 0.99.

AI-written summary · about

  1. 0:00Introduction
  2. 1:19Stochastic optimization
  3. 4:24Computational challenges
  4. 7:33Distributional robustness
  5. 9:59Risk measures
  6. 14:07Dynamic formulation
  7. 20:03Numerical solutions
  8. 24:22Performance and complexity
  9. 28:16Periodicity and conclusion
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