Unverified50% confidenceSolutionExact time
在几何凹凸性判断中，NumPy常用于计算相邻边向量的叉积，若叉积符号在多边形顶点间发生变化则对应顶点为凹点
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
语音驱动几何交互：LLM语义解析与Function Calling架构实践
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