vector sum
英 [ˈvektə(r) sʌm]
美 [ˈvektər sʌm]
矢量和
英英释义
noun
- a vector that is the sum of two or more other vectors
双语例句
- In an infinite dimensional space there always exist two subspaces whose vector sum is different from their span.
在一无限空间中恒存在两个子空间，其矢量和与其张成空间不同。 - Multi-factors Risk Analysis for Investment Project& Weighted Vector Sum
投资项目多因素风险分析与加权矢量和 - But if you wanted to create a vector to sum each row, you might be inclined to try the following
但是，如果希望创建一个向量来求每行的总和，您可能会编写下面这样的代码 - This paper firstly proposed some clarity-evaluation-functions of out-of-focus blurred image, they are the sum of square of gray-level gradient vector module, the sum of Roberts-gradients, and the sum of Laplacian operator.
本文首次提出了用图像灰度梯度向量模方和、Roberts梯度和与拉普拉斯（8邻域微分）算子和作为由于离焦产生的模糊图像的评价函数。 - In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.
就线性运动而论，如果作用于严格物体上的诸力的矢量之和是零，那么这个物体就处于平衡状态。 - To solve this problem, a new method of direct gray-scale feature extraction based on the circular projection algorithm and the vector sum for testing the quality of the pressed character is presented.
提出了利用圆周投影和矢量和直接获取灰度压印字符的质量判别特征值，以标准压印字符为模板进行快速的标牌压印字符在线检测。 - Locating a Center-point of the Circular Projection Based on a Gray-scale Image and Vector Sum
基于灰度图像和矢量的圆心定位 - At present, the whole back soil pressure of the retaining walls with equilibrator is regarded as the vector sum of upper 'and bottom' soil pressure after they are calculated seperately.
目前对衡重式挡土墙的土压力计算采用将上、下墙段分开计算，取矢量和作为墙背总土压力的方法。 - The dominant orientation of a joint group is the corresponding occurrence of the vector sum if some of the upward unit normal vectors are reversed. comparing NW component with vector sum of SN and WE in NW orientation, the errors are small.
对某组节理面向上的单位法向量进行部分反向后，其矢量之和对应的产状即为该组节理面的优势方位。NS向、EW向与NW向的比测误差基本正常； - In a dynamic situation the vector sum of the forces acting on the body vanished as in the static case.
在动力学状态下，作用在物体上的力和矢量和与静力学情形一样化为零。