- Simulations of complex physical processes can lead to
- nonstochastic errors in the evaluation of the objective due
to the approximation, rounding, and truncation introduced by the
simulations and
- high-frequency, low-amplitude distortions in the ``true''
value of the objective,
features which can cause difficulties for higher-order optimization
methods.
- We must be frugal in our evaluation of the objective.
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Virginia Torczon
6/13/1998