TY - RPRT TI - A Fast Matrix-Free Method for Low-Thrust Trajectory Optimization AU - Javeed, Aurya AU - Kouri, Drew Philip AU - Ridzal, Denis AU - Ross, Isaac Michael PY - 2023 DO - 10.2172/2463081 UR - https://www.osti.gov/biblio/2463081 ID - 2463081 ER -