用边界元方法求解平面拉普拉斯方程时必须计算两个矩阵。
Two matrices have to be calculated when solving plane Laplace equation by the use of BEM.
本文应用矩阵的运算，给出求二次曲面的切平面方程的一个筒单方法。
From this paper, the equations of tangent planes of a quadratic surface are obtained by matrix operations.
计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
提出一种平面框架结构地震力的设计敏度和海森矩阵的精确计算方法。
This paper presented an accurate method of calculating the earthquake force design sensitivity and Hessian matrix of the planar frame.
通过该方法，只需要进行阶次很低的矩阵和行列式计算即可完成平面连杆机构的振动分析。
Applying this method, we can only require the lower order's calculation of matrix and determinant to make the analysis of vibration for the plane link mechanism.
本文在经典力学的基础上，提出求解动点作平面复合运动的直接矢量导数方法和矩阵方法的定型公式。
On the basis of classical mechanics, the author derived a series of typical vector and matrix formulas for solving the problems of a particle that takes part in plane complex movements.
通过引入模糊等价矩阵来表示高维样本之间的相似程度，并将高维样本映射到二维平面。
By introducing a fuzzy equivalence matrix to the similar degree among samples, the high dimensional samples were mapped to two dimensional planes.
研究和讨论了用于RC平面结构分析的各类单元的刚度矩阵。
Research and discussion on the elementary stiffness matrixes of various plane elements for rc structures' finite element analysis.
定义平面应力d矩阵。
深入探讨多体系统离散时间传递矩阵法对平面、间刚体光滑铰多体系统运动响应的研究。
The movement of multi-rigid-body system interconnected by smooth hinge moving in space and plane are deeply studied with the discrete time transfer matrix method of multibody system.
在力学分析的基础上，确定了平面壳体单元的刚度矩阵，并根据载荷情况求出节点位移。
On the basis of mechanical analysis, the rigidity matrix of flat shell element has been determined and the displacement of joint has been found out according to the situation of loading.
针对工程结构中广泛应用的变截面构件，提出了一个变截面平面梁单元，推导了其单元刚度矩阵和等效节点荷载公式。
A nonuniform beam finite element is presented and the element stiffness matrix and equivalent joint load are derived to analyse nonuniform members used increasingly in engineering structures.
选定平面三角形基函数作为型函数，确定了单元方程和单元矩阵；
The triangle base function was selected as shape function, and cell equation and cell matrix were constructed.
在计算机视觉原理的基础上，本文提出了一种求取从视平面坐标到实际坐标转换矩阵的算法。
Based on the principle of computer vision, this paper presents a matrix algorithm for the coordinate transformation from visual plane to geographical plane.
采用静力缩减方法，由平面梁单元弯曲平衡方程推导出两端带扭簧的杆件宏单元缩减刚度矩阵。
And the reduced linear elastic stiffness matrix is formulated for the macro-element of planar beam attached with springs at both ends through static reduced technique.
本文介绍一种利用矩阵的初等行变换求解平面直射变换式的方法，它较一般解法更为简明。
In this paper, by application of matrix elementary operation, we give the method of solving for plane projective collineation. The method presented in this paper is simpler and clearer than used one.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
然后，利用多视点图像公共点白勺匹配关系，选取唯一基准视点图像平面计算各视点校正矩阵。
Then the algorithm makes use of the relationship between the matched points, selects the unique standard image plane to calculate the rectification transformation matrix of each view images.
在一致性几何绕射理论基础上，采用等效电流的方法给出了有限锥体在完全极化平面波照射下后向散射场的散射极化矩阵表示式。
Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.
该文采用小波矩量法求解导电平面上的三维腔体散射，利用小波变换稀疏化矩量矩阵，加速其求逆，减少了腔体散射的总体计算时间。
Scattering from three-dimensional cavities is solved using the wavelet-MoM method, while the moment matrix is sparsified with help of the wavelet transform.
该方法将温度变化对岩体的力学影响转化为等效初应力的作用来求解节理岩体热应力问题，给出了平面应力和平面应变问题中等效初应力和等效载荷矩阵的计算公式。
In the method, the effect of temperature change is equivalent to that of initial stress. The formulas of equivalent initial stress and equivalent loading for plane problem are given.
论述由位于正交平面上的特征点对集合复原无穷远单应性矩阵和摄像机内参数的新算法。
A new algorithm is presented to determine infinite homography matrix and camera intrinsic matrix parameters under one camera motion set from the matched-point sets on two orthogonal planes.
根据两幅图像中的平面约束，证明了图像对的基础矩阵和同形矩阵的乘积具有反对称的性质。
According to the planar constraints, we proved that the product of the fundamental matrix and the homography matrix of an image pair is an antisymmetric matrix.
跃迁矩阵元被表示为两项，当入射电子和散射电子近似为平面波时，跃迁矩阵元的第一项是一个发散的复数；
The first term of this transition matrix element is a divergent pluralism when the incident and scattered waves are chosen as plane wave.
运用图论的线图和邻接矩阵方法从分析平面低副4～8杆运动链的可能形式出发，分析了以连杆为起始构件这类机构的可能有的形式。
With the linear graph and adjacent matrix method of graph theory, the possible forms of this mechanism are discussed by analyzing that of kinematic chain with 4~8 links connected by planar low pair.
通过对细分矩阵特征值的理论分析，证明了文中方法的细分极限曲面收敛且切平面连续。
We deduce the eigenvalues of 2-neighbors subdivision matrix of the scheme, and prove that the subdivision surface is convergent, and has property of tangent plane continuity.
有源矩阵驱动的平面场发射阴极是大屏幕显示的主要候选部件。
The field emission cathode driven with an active array is the main candidate for large screen displays.
根据最小生成树(MST)算法获得图像序列的连通分量，得到图像对之间的变换矩阵并将图像映射到拼接平面。
The minimum spanning tree (MST) was used to obtain the best connected-component of the image set to recover the transformation between images and project the images into the Mosaic frame.
由于双平面X射线造影系统只能提供两幅有限的投影数据，冠状动脉树的三维重建在匹配、优化几何变换矩阵等方面存在困难。
The purpose of this study is to provide a 3D reconstruction of the skeleton of the coronary artery tree from two X-ray angiograms acquired on a biplane angiographic system.
由于双平面X射线造影系统只能提供两幅有限的投影数据，冠状动脉树的三维重建在匹配、优化几何变换矩阵等方面存在困难。
The purpose of this study is to provide a 3D reconstruction of the skeleton of the coronary artery tree from two X-ray angiograms acquired on a biplane angiographic system.
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