IEEE RA-L 2018
This code was used for the the paper [ pdf ]:
Winkler, A. W; Bellicoso, D. C; Hutter, M.; and Buchli J.
"Gait and Trajectory Optimization for Legged Systems through Phase-based End-Effector Parameterization"
In 2018 IEEE/RSJ Robotics and Automation Letters (RA-L)