Survey of Direct Transcription for Low-Thrust Space Trajectory Optimization with Applications

Table 2

Position of equidistant, LG, LGR, and LGL with five points within [−1, 1].

Case	Type	𝑥1	𝑥2	𝑥3	𝑥4	𝑥5
1	Equidistant	−1	−0.5	0	0.5	1
2	LG points	−0.906	−0.538	0	0.538	0.906
3	LGR points	−1	−0.720	−0.167	0.446	0.886
4	LGL points	−1	−0.654	0	0.655	1