TY - RPRT TI - Efficient Sampling Methods for Machine Learning Error Models with application to Surrogates of Steady Hypersonic Flows. AU - Krath, Elizabeth AU - Ching, David AU - Blonigan, Patrick PY - 2021 DO - 10.2172/1906439 UR - https://www.osti.gov/biblio/1906439 ID - 1906439 ER -