Trajectory Optimization for High-Speed and Long-Range Interceptor Based on Improved Adaptive hp Pseudospectral Method

Table 2

Comparison of mesh refinement results.

Method	CPU time(s)	Number of grid iterations	Total number of collocation points	Terminal velocity (m/s)
Improved hp	15.66	3	87	2968.1
hp	25.48	4	111	2967.2