计算矩阵 meaning in English
computational matrices
computing matrix
design matrix
Examples
- The combined simulation matrix of a finite number of primitive parts is deduced by the finite difference control volume conservation method and interaction principle , based on the fundamental physical laws
通过控制容积法及相互作用原理,导出了空调元件有穷组合的模拟计算矩阵。 - To further speed up the solution of scattering from three dimensional electrically large object by multilevel fast multipole algorithm ( mlfma ) , a local multilevel fast multipole algorithm ( lmlfma ) based on local interactions is proposed to evaluate matrix - vector multiplication
摘要为了进一步加速多层快速多极子算法求解电大尺寸目标电磁散射,提出了一种基于局部耦合技术计算矩阵矢量相乘的多层快速多极子方法。 - Compared with the traditional methods of window functions and remez optimal algorithm , the optimum algorithm , the optimum design method in the paper need not compute inverse matrix , thus overcoming the difficulty to compute high - order inverse matrix in remez optimal design method
与传统的窗口函数法和雷米兹优化设计方法相比,其优化设计方法不需要计算矩阵的逆,因而克服了雷米兹优化设计方法求高阶矩阵逆的困难。 - Firstly , with the help of angular momentum coupling theory , the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors . the advantage of this form is that the radial , angular and spin parts are separated completely , which makes it easy to calculate the angular matrix elements by means of irreducible tensor . secondly , theoretical expressions of the relativistic corrections including the relativistic mass correction , the darwin correction terms , the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme
具体内容包括:首先,借助角动量耦合理论,将多电子原子哈密顿算符中的自旋-自旋、自旋-其它轨道以及轨道-轨道相互作用全部改用球张量表示,这种球张量形式的优点在于已将原子哈密顿算符中的径向、角向和自旋部分完全分开,从而便于计算矩阵元,而且角向矩阵元可以方便地利用不可约张量理论来进行计算。 - The astringency , error and stability of the numerical method are researched . zero matrix method , constant matrix method , and jacobian matrix method are constructed in order to improve numerical precision and efficiency . the steps for calculating matrix exponential function using pade approach method are given out
研究了所提西安理工大学博士学位论文数值计算方法的误差、稳定性、收敛性等数学性质,在计算精度和计算效率两方面提出了一些改进措施,构造了零矩阵法、常数矩阵法、雅可比矩阵法等计算格式,给出了利川pade逼近计算矩阵指数函数的求解步骤。