Integrals

This cuts the labor of evaluating integrals almost in half.

这几乎省去求解积分的一半劳动.

We shall study double integrals over more general sets in the plane.

我们将研究定义在平面上更一般的集合中的二重积分.

In this case, the singular integrals will appear in the calculation.

在这种情况下, 计算过程中将遇到奇异积分.

Longitudinal displacement measures myocardial motion amplitudes in systole and visualizes the segmental velocity-time integrals.

纵向位移是测量收缩期心肌运动幅度,显现为心肌节段的速度 -时 间积分.

Doing area surface and volume integrals.

作面积分和体积分.

In addition , the natural BIE only contains Cauchy principal value integrals.

自然边界积分方程仅存在容易计算的Cauchy主值积分.

The exact formulae of domain singular integrals for loads in polynomial form are given.

对多项式荷载给出了域奇异积分的正确公式.

Two-dimensional stress intensity factors are solved by BEM with crack closure integrals.

应用边界元法结合裂纹闭合积分求解二 维 裂纹应力强度因子.

These integrals have been tabulated.

这些积分都已制成表.

Integrals extend to higher dimensions through multiple integrals.

积分借着重积分扩展到较高的维数.

Numerical integration of ordinary integrals and line integrals.

一般的积分以及线积分的数值积分.

An important method for evaluating integrals is a change in variables.

求积分值的一种重要方法是变量代换法.

We shall now show that the change of variable formula for integrals is just as unforgettable.

我们现在来说明积分的换元公式也一样好记.

Reducing line integrals to ordinary integrals.

将线积分化为一般的积分.

The last two integrals correspond to the natural boundary conditions.

最后两个积分对应于自然边界条件.