请教高手 三次样条外推法 如何实现信号延拓？
"In this paper, to avoid large discrepancy at the boundaries,the signal is extended outside its original support by a
cubic spline extrapolation based on three neighbouring
points."
摘自 一篇英文文献
请教 高手 此过程如何实现？
[ 本帖最后由 zhangnan3509 于 2008-5-23 17:57 编辑 ]
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