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. Author manuscript; available in PMC: 2011 Jun 16.
Published in final edited form as: IEEE Rev Biomed Eng. 2009;2:110–135. doi: 10.1109/RBME.2009.2034981

Fig. 4.

Fig. 4

Illustration that an exploration in input space (here, torque) may not sample a desired output (acceleration). Sampling in input space is limited to the range ±0.5—any practical setting requires limits of exploration.