scalar product
也称为点积或内积。
常用释义
英式发音
美式发音
基本释义
- 标量积：两个向量的长度乘积与它们之间夹角的余弦的乘积，也称为点积或内积。
例句
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1·We recognize this expression as just the scalar product.可以认出，此表达式正好就是标积。
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2·Scalar Product Protocol is the keystone in building privacy-preserving decision tree.标量积协议是构造隐私保持决策树的关键技术。
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3·The scalar product of a vector with itself is the square of the magnitude of the vector.一个矢量自身相乘的标积等于该矢量大小的平方。
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4·There are two ways that we multiply vectors and one is called the "dot product" often also called the scalar product.矢量乘法有两种,一种叫做“点积“,通常也被叫作“数量积
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5·We prefer the form (5.16.7) since it is in conformity with the definition of scalar product in a complex Euclidean space.我们愿意用(5.16.7)这种形式，因为它和复欧几里德空间中标积之定义相谐调。
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6·We prefer the form (5. 16. 7) since it is in conformity with the definition of scalar product in a complex Euclidean space.我们愿意用(5.16.7)这种形式，因为它和复欧几里德空间中标积之定义相谐调。
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7·And comparing with the performance of simple Scalar Product Protocol without privacy preserving, the performance of Protocol 4.1 is acceptable.同时与简单的标量积协议的性能相比较，协议4.1的性能是在合理的范围之内。
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8·Write and test a class Vector2D to define operators for addition, subtraction, scalar product, input and output, and inner product of two 2d vectors.Draw a UML diagram first编写和测试vector 2d定义加法，减法，数量积，输入和输出操作符一类，和两个二维向量的内积。
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9·Then the formula for the scalar product of angular momentum operators is used to deduce the Schrodinger equation for one particle in spherical coordinate.在量子力学中求解球对称辏力场中的薛定锷方程时，角动量算符的几个代表关系起着关键作用。
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10·The other kind of feature points are those where the absolute value of the scalar product of its normal vector and the view vector is less than a threshold.另一类特征点是由法向量和视线向量的内积决定的，内积小于给定阈值的点称为特征点。