关于n维单形的两个轨迹定理

摘要

We present two graceful theorems about the locus of n-dimensional simplex in the n-dimensional Euclidean space,which are de rived using vector method.%在n维欧氏空间En中,应用向量方法,给出了关于n维单形的两个优美的轨迹定理.