Multilevel fast multipole method is used to fast calculate the matrix-vector product when we solve the linear system by iterative method.
分层快速多极算法被用来加速用迭代法求解线性方程组时的矩阵向量乘积的运算。
First summarizes the differences on principle between two kinds of parallel algorithm of matrix-vector multiplication, namely, divided by row and divided by column.
文中首先总结按行划分和按列划分的并行矩阵向量乘法在原理上的异同。
The algorithm calculated the wave front slope by a reusing core module manner and complemented the wave front reconstruction with the decomposition of matrix-vector multiplication.
该算法基于重复利用核心模块的方式完成波前斜率计算,利用矩阵与向量相乘的可分解性完成波前复原计算。
It reduces greatly the computational complexity of matrix-vector multiplication in conjugate gradient iteration improves the efficiency of MLFMA while the reasonable accuracy is maintained.
该方法在保证合理计算精度的同时大大降低了迭代过程中矩阵矢量相乘的计算复杂度,提高了多层快速多极子方法计算效率。
A vector — for example, the camera position — multiplied by the correct matrix for translation results in a vector that moves accordingly.
一个向量——例如,摄像机位置——乘以恰当的平移矩阵从而得到相应移动的向量。
X It's a matrix times some unknown vector, x, B equals some known vector, B How do we solve that?
是一个矩阵乘以一些未知的向量,等于一些已知的向量,怎么解?
Parallel programming using MPI to multiply a matrix by a vector.
使用MPI进行并行编程来实现矩阵与向量的乘法。
OK, so let's say I multiply the matrix I with a vector x1, x2, x3. What will the first entry be?
好,我将矩阵i和向量x 1, x 2,x3相乘,第一个元素是什么?
The functions matrix , array , and dim are simply convenience functions for setting the dimensions of a vector.
函数matrix 、array和dim是用于设置向量的维的简单函数。
Let's say we have a 4x4 matrix that we want to multiply with a vector (a 4x1 matrix).
假设有一个4x4的矩阵,我们希望将其与另外一个4x1的向量进行乘法操作。
The problem can be solved with the analytic methods of mechanisms of vector, matrix and optimum design.
本文是采用向量、矩阵和最优化设计等机构学的分析方法来解决这一课题的。
For the estimation of satellite state, the extended sequential estimation algorithm was applied. The numerical method was used to integrate state vector and error covariance matrix.
在卫星的状态估计过程中应用推广的序列估计算法,借助数值积分方法积分状态向量和协方差矩阵。
Get the main diagonal of a matrix, or put a vector into the main diagonal of a matrix.
取得的主要矩阵,或将一个向量到对角线的主要矩阵对角线。
The first problem we have is turning a 1-d data vector into a 2-d matrix of data points. Then we would like to visualize this 2-d data set.
我们的第一个问题是将一维数据向量转化为数据点的二维矩阵。
The load-balanced multiplication of a large sparse matrix with vector on workstation cluster is considered.
考虑在工作站机群上实现大型稀疏矩阵和向量乘的负载平衡。
How do I multiply a matrix by a vector?
我怎么用一个矩阵乘以一个向量呢?
Optimization techniques for the sparse matrix vector multiplication are adopted in programming.
编程中采用了稀疏矩阵向量相乘的优化技术。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
应用虚位移原理和结合考虑材料交界面上的约束条件,文章建立了接触单元的刚度矩阵和等效荷载向量。
In this model the vectors are stored in a memory matrix in the form of vector pairs.
在这种模式中,矢量是以矢量对的形式被贮存在存储矩阵中。
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
通过推导单元特征方程的解及应用虚功原理,建立了墙元的刚度矩阵和荷载向量。
The testing problem of double sample's average vector and covariance matrix has been solved in the paper.
从应用角度出发,解决了双样本均值向量和协方差矩阵的检验问题。
Some software implementation technology is adopted, such as object oriented programming technology, vector matrix encapsulation technology, structured storage and compound file technology, and so on.
采用了面向对象编程技术,向量、矩阵运算的封装技术,结构化存储与复合文档等软件实现技术。
This paper describes the relationship between the rank of matrix, the rank of vector group and liner equation group in the linear algebra.
讨论了线性代数中矩阵的秩、向量组的秩与线性方程组的秩之间的关系。
The future case of units' operation could be predicted with probability transfer matrix and probability vector.
文中用概率链的方法即用概率转移矩阵及概率向量来预测机组未来状况。
The measure vector and measure matrix was calculated for submarine at a time.
推算出潜艇某时刻的测量向量和测量矩阵。
A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper.
提出了一种基于矢量运算的新的坐标变换方法,该方法具有不需要计算转换系数矩阵、可逆的特点。
Firstly, the signal subspace vector including information of mutual coupling coefficients is expressed as product of mutual coupling coefficient matrix and perfect array steering vector.
该算法首先将包含互耦系数信息的信号子空间向量表示为互耦系数矩阵和理想阵列导引向量的乘积。
In this paper the idea of synchronous vector and adjoint matrix are proposed.
本文提出了同步矢量和伴生矩阵的概念。
In this paper, we described the green relations on matrix semigroup through the vector maximal independent subset of matrix.
文章利用矩阵的行向量组和列向量组的极大无关组刻画了矩阵半群中的格林关系。
The template vector is compared with each vector in the matrix and the minimum differences found out between them.
比较原始矢量与参考矢量矩阵中的每个矢量之间的差分,找到最佳匹配点。
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