Perturbation calculation in reactor physics requires the neutron adjoint eigenvalue equation.
在反应堆物理计算中，扰动计算需要中子本征值方程的共轭方程。
A new method for solving the boundary condition eigenvalue equation of the corrugated system is given.
本文对波纹喇叭的边界条件特征方程的解提出了新的简便方法。
The eigenvalue equation and approximate formula for cut-off frequencies of guided modes are obtained by vector-field-method.
采用矢量场法，得到了在弱导条件下传导模式的特征方程和截止频率的近似计算公式。
Finally a displacement generalized eigenvalue equation is obtained, in which the stiffness matrix is symmetric and positively definite.
最后得到一个矩阵型的位移广义本征值方程，刚度矩阵对称、正定。
In this paper, the rationality of the multigroup approximation of the control critical eigenvalue equation for the slab geometry is studied.
研究了板几何控制临界本征方程多群逼近的合理性。
In this paper the cut-off frequencies of modes of waveguides are calculated via given eigenvalue equation. The results show good agreement with those from other sources.
文中通过所建立的本征方程对波导中各模式的截止频率进行了求解，数值结果与已有结果符合良好。
The presented method selects only one cyclic symmetric sector of the structure as the finite element calculating model and establishes the complex constrained eigenvalue equation of the sector.
选取结构的任一个循环对称扇区作为有限元计算模型，建立单个扇区复约束特征值方程；
And the eigenvalue problem of integral equation is transformed into a standard eigenvalue problem of a matrix with infinite order.
进而将积分方程形式的特征值问题转化为无穷阶矩阵的标准特征值问题。
And then the eigenvalue problem of integral equation is transformed into the standard eigenvalue problem of a positive definite matrix with infinite order.
进而将积分方程形式的特征值问题转化为无穷阶正定对称矩阵的标准特征值问题。
Then the eigenvalue problem of free vibration of annular sector plates is transformed into the eigenvalue problem of integral equation by using superposition theorem.
然后由叠加原理将环扇形板的自由振动问题转化为积分方程特征值问题；
The physics meaning of eigenvalue computation of matrix equation of the regular network is also discussed .
并对多节点规则网络所采用的矩阵方程本征值解法的意义进行了讨论。
In this paper an estimation of lower bound of minimum eigenvalue for the integral equation is obtained. Based on this estimation we introduce a new method for the corresponding eigenvalue calculation.
导出了具有正定对称核的积分方程最小特征值的一个下界估计式。以此为基础，获得了相应特征值的一种算法。
For the stochastic system of the dynamic equation and the kinematic constraint, the upper and lower bounds on its information matrix are given, via eigenvalue analysis.
针对运动约束与运动方程构成的系统，利用特征值分析方法给出了其信息矩阵的上下界限。
The maximization problem can be changed into an eigenvalue integral equation.
将极大值问题转化求解特征值积分方程。
The posteriori error estimators in the collocation method for integral equation eigenvalue problem with a weakly singular kernel are presented.
给出矩形域上弱奇异积分算子本征值问题分片零次多项式配置法的后验误差估计式。
After the equation is set up, using the standard finite element program and subspace iteration algorithm to solve the generalized eigenvalue problem.
方程建立后，使用标准的有限元程序，采用子空间迭代算法来求解广义特征值问题。
After the equation is set up, using the standard finite element program and subspace iteration algorithm to solve the generalized eigenvalue problem.
方程建立后，使用标准的有限元程序，采用子空间迭代算法来求解广义特征值问题。
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