查询词典 eigenvalue problem

Next, determining natural frequencies of the structure is transformed as a problem belonging to finding a characteristic value of characteristic function in the above differential equation.

把该结构的固有频率问题归结为求解该微分方程特征函数的特征值问题。

However, in many practical problem of the linear system question, the linear system of equations has some important characteristic especially in leaning differential equation method and limited element method.

另外，与直接法相比，迭代法还具有一些明显的优点，比如占用计算机的内存单元少、计算程序比较简单、收敛速度比较快等，从而成为近年来解线性方程组采用较多的方法。

As for the internal combustion engine state evaluation characteristic index system without a relative objectivity criterion, this paper uses the data mining technique to solve the problem.

摘要针对内燃机用于状态评估的特征参数指标体系缺乏相对客观的标准，研究以数据挖掘技术为基础的内燃机状态评估指标体系构建。

Because the number of characteristic particles is greatly less than the number of whole particles,the problem ...

因为特征粒子的数量较粒子总数大大减少，该方法能避免直接将Monte Carlo方法应用于多机器人定位中产生的维数灾的问题，可以在保证精度的情况下降低运算复杂度。

In terms of the theory of algebraic geometry, the problem of characteristic polynomial assignment of the closed-loop systems is transferr.

以代数几何方法为工具，将此闭环系统的特征多项式配置问题转化为判别有理映射是否为到上的，推导出多输入的 2 D广义系统Roe sser模型由状态反馈几乎任意配置特征多项式系数的充分条件。

In this paper,the B-spline curve is supposed as boundary curves,when they are in two paralled plane and two arbitrary plane,the condition about the control vertex of characteristic polygon when the ruled surface is developable are gained,solved the designing problem of degree and degree B-spline curve .Throughing (2,3) degree and (2,2) degree B-spline ,we haveproved the validity and utility of this method.

本文用两条B样条曲线作边界曲线，当它们位于两平行平面上和两任意平面上时，研究得到了由它们形成的直纹面为可展面时它们的特征多边形顶点满足的条件，解决了(n，n+1)次和次可展B样条曲面的设计问题，然后以(2，3)次和(2，2)次B样条曲面为构造实例，证明了该算法的正确性和实用性。

To solve the problem the method of vector orthogonalness of characteristic harmonic was developed.

同时研制了新的电弧高速扫描系统。

Finally, the problem of characterization of surface topography is analysed.

本文最后分析了表面形貌的表征问题。

The only problem there is that wine aficionados don't only want their Chardonnay cold, they want it in a glass bottle.

唯一的问题是，有葡萄酒爱好者不仅希望自己的霞多冷，他们希望在一个玻璃瓶。

If you can prove to the Internal Revenue Service that you were technically insolvent at the time of the charge-off, there are cases where the IRS will waive the tax," says Levin."But the problem is when people do nothing, and the following January a 1099 shows up from the credit card firm.

如果你能想国内税收署证明你在被宣布为'呆账'时资不抵债，那么有可能国内税收署会免除这部分税"Levin说，"但是，问题在于，当人们什么也不做，次年1月份收到来自信用卡公司的一张1099单（国内税收署发出的免债务通知单）。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。