点积
dot product The dot product of two vectors is a scalar equal to the product of their magnitudes and the cosine of the angle between them, denoted $\vec{a} \cdot
CSCA 数学 考试术语
dot product The dot product of two vectors is a scalar equal to the product of their magnitudes and the cosine of the angle between them, denoted $\vec{a} \cdot
CSCA 数学 考试术语