The coupled boundary integral equations and their reduced forms are deduced for hybrid mode problems, and these equations are discreted into a system of linear algebraic equations by moment method.
导出了关于混合模的耦合边界积分方程组及其退化形式，并用矩量法将之离散为齐次代数方程组，从而得波导的混合模传输常数；
Gauss Integral method is populated due to its high algebraic accuracy in index calculation.
在指标计算中，高斯积分法以其代数精度高经常受到人们的青睐。
The boundary integral equation in homogeneous media was dispersed into algebraic equations through the use of spline function.
采用样条插值函数将均匀介质的边界积分方程离散为代数方程组。
The algebraic equation from the dual boundary integral equations(DBIE) was solved using the generalized minimum residual method(GMRES).
基于对偶边界积分方程（DBIE）构造代数方程组，采用广义极小残值迭代法（GMRES）求解。
The third type im-proper integral can be written as the algebraic sum of the first and second type integrals.
第三类广义积分都可以写成第一类与第二类广义积分的代数和。
Finally, natural frequency is obtained by the existence condition of nontrivial solution of the discrete algebraic equations derived from the integral equations.
最后由积分方程的离散化方程组有非平凡解的条件，求得固有频率。
Infinite integrals of coefficients of algebraic equations are reduced to finite integrals by using contour integral and the principle of analytic continuation.
并提出可以用围线积分和解析开拓原理把方程组系数的无穷积分化为有穷积分。
An integral algebraic linear programming is defined and an algorithm for solving the programming is given.
定义了整代数线性规划，并给出了求解它的算法。
An integral algebraic linear programming is defined and an algorithm for solving the programming is given.
定义了整代数线性规划，并给出了求解它的算法。
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