查询词典 variation method

Successful use of the variation method depends on our ability to make shrewd choice of the trial function.

成功地应用变分法取决于对尝试函数作精明选择的能力。

In this paper, by using iteration and variation method, the perturbation problem in quantum mechanics will be sloved.

如果满足用微扰方法求解问题的条件，似乎问题已经解决了(见文献[1])。

We must seek two main approximation methods of solution , the variation method and perturbation theory

我们必须寻求两个主要的近似解法、变分法和微扰法。

In Chapter 2, image restoration algorithm based on variation method is studied.

第二章主要讨论基于变分模型的图像恢复算法。

By utilizing the expansion expression of equilibrium point of the system, the homogeneous equation s solution was obtained, and then the nonlinear differential equation was equivalent to its nonlinear Volterra's integral equation of the second kind by the constant variation method.

首先将系统在平衡点附近进行展开，求得其齐次方程的解，然后利用常数变易法将非线性微分方程变为等价的第二类非线性Volterra积分方程。

In this paper,a two dimension variation method is applied to compute tensile fracture surface fractal dimensions of a grain composite material LDPE/CaCO 3,and set the relationship of tensile fracture surface fractal dimensions and tensile ultimate stress and material filler weight content percent .

应用计算断口表面分形维数的二维变差法，计算了颗粒复合材料LDPE／CaCO3拉伸断口的分形维数，并且建立了断口分形维数与强度极限和填料颗粒含量之间的关系。

It is superior to the variation method in the time and the sensitivity to the initial values.

该方法在计算时间和对初值的敏感性方面，都要优于变分法。

Moreover, the variation method should be more simple than the other methods.

不过，变分法比其它的近似方法要简单的多。

Regarding the solution of optimum control questions on discrete time, the classical variation method has certain limitation.

对于求解离散时间的最优控制问题，古典的变分法存在一定的局限。

Chan of the overall variation method of image restoration, Due to the limitations of their own algorithm to solve visual connectivity problems.

采用T.Chan的总体变分方法实现图像修复，由于算法本身的局限性，无法解决视觉连通性的问题。

I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援，我们正徵召国家所有各种的力量：我们的外交及发展，我们的经济力量与道德劝说，所以你们与其他军人不须要孤独地负起国家安全的责任。