向量的模
- 网络module;vector module;norm of a vector
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构造了C1插值的平面三次PH样条曲线,使得平面三次PH曲线能够对切向量的模长插值,拓宽了其在机器人路径的设计、数控加工的计算等方面的应用范围。
The planar C1 cubic PH splines are constructed , which can be used in the design for the locus of robots and CNC ( Computerized Numerical Control ) interpolating , etc.
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本文不同于文献[1]和[2],采用广义内积定义向量的模,直接对非对称标准特征问题的Lanczos法进行误差分析,得出实用的截断准则。
The accuracy of Lanczos method for non-symmetry standard eigen-problems is analysed in this paper directly by employing generalized inner product to define modulus of vectors , This is different to that in [ 1 ] and [ 2 ] .
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在Riemann流形上,证明一条可求长曲线的长度函数等于其切向量的模长函数的Lebesgue积分的充要条件是该曲线绝对连续,从而推广了实分析中的经典结果。
On Riemann manifolds , we prove that for a rectifiable curve , the length function of the curve equals to the Lebesgue integration of the modulus function of its tangent vectors if and only if the curve is absolutely continuous . This generalize a classical result in real analysis .
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得到荷载点位置信息后,利用两个向量的模的比例关系来确定荷载的大小。
After getting load point location information , the ratio of vector-mode can be used to determine the amplitude of load .
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也就是说,如果朝该方向运动,函数值变动得最剧烈,那么相应的斜率就是梯度向量的模长。
OK , so if I go in that direction , which gives me the fastest increase , then the corresponding slope will be the length of the gradient .
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证明了完备、定向曲面的基本群在SU(2)中的表示空间可等同于该曲面上秩为2且具有平凡行列式丛的全纯向量丛的模空间.并且它们具有射影结构。
The representation space of the fundamental group of a closed , oriented Riemannian surface is identified with the moduli space of the holomorphic bundles of rank 2 with trivial determinant bundles over the surface and these spaces are proved to carry a projective structure .
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向量空间的模结构分解
Decomposition theorems for vector spaces on module stucture
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基于在线支持向量机的非线性内模控制
Nonlinear internal model control based on online support vector machine
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只要把这个向量除以它本身的模,得到单位向量。
Well , you take this vector and you scale it down to unit length .
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欲求单位法向量,那就用梯度,除以梯度向量的模长。
So , if you wanted a unit normal , that would be the gradient divided by its length .
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如果我取一个单位法向量,然后用乘上另一个较长法向量N的模长,会怎样呢?
N What happens if I take a unit normal n and I multiply it by the length of my other normal big N ?
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利用向量相等概念,只要已知起点、终点坐标即可求出向量的模,就可推证出两点间的距离公式;
With the concept of vector equality , if coordinates of starting point and terminal point are provided , both mold of vector and distance formula between two points can be worked out .