dot product

英 [dɒt ˈprɒdʌkt]

美 [dɑːt ˈprɑːdʌkt]

标（数）量积；点积

计算机

英英释义

noun

• a real number (a scalar) that is the product of two vectors
  Synonym:scalar productinner product

双语例句

• Then according to conceptual quantified relations in Chinese dictionary, subject importance of concepts can be got by computing dot product of weight vectors and related vectors.
  然后利用词典中词语之间量化关系，通过对概念的相关向量和权重的向量乘积得到每个概念的主题重要度；
• If I take the dot product But now, what does it mean that the dot product between OP and A is zero?
  如果我用OP·A我就得到了，那么OP和A的点积是0代表了什么呢？
• That is the dot product.
  这就是点积。
• And I can rewrite this in vector form as the gradient dot product the amount by which the position vector has changed.
  可以把这些用向量形式重新写下来，就是梯度向量和位置改变量的点积。
• So, product rule is OK for taking the derivative of a dot product.
  那么乘积法则对点乘求导没问题。
• Design and analysis of private-preserving dot product protocol under malicious model
  恶意模型下保密点积协议的设计与分析
• The dot product, being the product of three scalars, is a scalar.
  点积是三个标量的乘积，所以是个标量。
• So, that's going to be one of the main uses of dot product.
  呃，这就是点乘的一个主要用途。
• But now the power that I have to generate is the dot product between the force and the velocity.
  但现在我要产生的，功率是力和速度，间的标量积。
• Use the vector dot product to find the obtuse angle between two diagonals of a cube.
  用矢量点积求立方体的两条对角线所夹的钝角。