给出一个解非线性对称方程组问题的近似高斯·牛顿基础bfgs方法。
An approximate Gauss Newton based BFGS method for solving symmetric nonlinear equations is presented.
Maxwell方程组是“非对称的”：电场有一个负电极子和一个正电极子，带着不同的电荷；但磁场却没有。
Maxwell's equations are "asymmetrical": electricity has an electron monopole and a proton monopole, each with opposite charge, but magnetism does not.
麦克斯韦方程组用矢量的形式重新表示，并利用狭义相对论你的对称性。
Slide-shows original equations, then equations re-written as vector analysis, then using the symmetry of special relativity.
建立了非对称弹丸在挠性渐速膛线身管内的弹丸一般运动动力学模型和运动微分方程组。
A general dynamic model and differential equations for an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed.
本文给出线性代数方程组反问题的对称矩阵解，及其通解表达式。
To the inverse problem of the system of linear algebraic equations, tiauthor gives a symmetric matrix solution and the expression of its general solution.
ICCG方法是解线性代数方程组较为理想的方法，但它仅适用于具有正定对称的系数阵。
The method ICCG. is one of the best iterative method for solving the system of linear algebraic equations, but it can only be applied to the symmetric and positive definite coefficient matrix.
主要考虑非线性波方程组的一些简单对称及其构成的李代数，并利用所得对称给出该方程组的一些单参数变换群。
In this paper, the symmetries and Lie algebra of a coupled nonlinear wave equation were discussed. One-parameter transformation groups of this equation were obtained by using the symmetries.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
本文研究了解决大型稀疏对称正定线性方程组的一类预条件共轭梯度法。
This paper is investigated a preconditioned conjugate gradient method in solving a linear algebraic system of large sparse symmetric and positive equations.
本文提出了求一类矩阵方程组的最小二乘中心对称解的一种迭代法。
In this paper, an iterative method is presented to find the least squares centrosymmetric solution to a kind of matrix equations.
求解低对称晶系晶胞参数的联立方程组的某些组合可使误差严重积累，构成病态方程组。
Some combinations of simultaneous equations for obtaining lattice constants of low-symmetry crystal systems can lead to a serious accumulation of errors and the formation of abnormal state equations.
由离散解得到的非对称线性方程组，对于QPNS采用块三对角法，对于FNS采用GMRES算法。
The nonsymmetric and linear equations from the discrete solution are solved by using block tridiagonal systems for the QPNS equations and by GMRES algorithm for the FNS equations.
通过建立包含扰动和基流方程组的数值模式，全面讨论了扰动与对称不稳定纬向基流的相互作用。
In a numerical model especially set up in the work that includes disturbance and basic flows, the interactions between disturbances and symmetric instability are discussed comprehensively.
采用一个具有协变形式的朗之万方程组来描述不对称热核裂变。
A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission.
直接法中的平方根法，就是利用对称正定矩阵的三角分解而得到的求解对称正定方程组的一种有效方法。
Square root method is one of direct methods, which is an effective method for the solution of symmetrical positive liner equations through triangle decomposition of symmetrical positive matrix.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
在轴对称非静态电流分布的情况下，利用麦克斯韦方程组和轴对称性，给出了轴外电磁场的一种计算方法。
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
这些结果能用来研究椭圆型方程组边值问题径向对称解的存在性。
These results can be applied to the study of the existence of the radial solutions for the elliptic boundary value systems.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
本文用动态规划方法对一类对称的矩阵元三对角型线性方程组给出一种递推算法。
In this paper, a recurrence formula is given, by use of dynamic programming method, to solve the problem of linear algebraic equations with symmetric martrix element of...
本文用动态规划方法对一类对称的矩阵元三对角型线性方程组给出一种递推算法。
In this paper, a recurrence formula is given, by use of dynamic programming method, to solve the problem of linear algebraic equations with symmetric martrix element of tri-diagonal ty...
本文用动态规划方法对一类对称的矩阵元三对角型线性方程组给出一种递推算法。
In this paper, a recurrence formula is given, by use of dynamic programming method, to solve the problem of linear algebraic equations with symmetric martrix element of tri-diagonal ty...
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