【摘要】 对于退化的二次曲线Γ,利用其系数矩阵A的伴随矩阵A*定义了Γ的逆曲线,并根据原退化二次曲线的类型和图形对其逆曲线的图形进行了讨论.更多还原

【Abstract】 Using the coefficient matrix A* of a degenerated quadric curve Γ ’s adoint matrix A,a definition to the inverse curve Γ* of Γ was given,the graph of an inverse curve of Γ acoording to the type and specific figure of Γ were discussed.更多还原