查询词典 integral of a function

In mathematics, the integral of a function of several variables defined on a line or curve that has been expressed in terms of arc length .

数学中，定义在直线或曲线上的多元函数的积分。

In integral calculus, the mean value of a function on an interval is, in essence, the arithmetic mean of its values over the interval.

在积分学中，函数在一个期间内的平均值从本质上讲是它在这个区间内的各个值的算术平均值。

It is found that the offset of weight function should change with the Peclet number, and that both the parameter q of radial basis functions and the size of the support domain have a greater influence on the calculation results than the RBF parameter a and the quantity of Gauss integral points.

结果表明：权函数的偏置量需要随着对流强弱而变化，径向基函数参数q、支持域尺寸对计算结果的影响比较大，RBF参数a、Gauss积分子域数对计算结果的影响相对较小。

An operation used in the calculus whereby the integral of a function is determined.

在微积分学中函数的某些条件给定的情况下采取的运算方法。

Limits provide the means of defining the derivative and integral of a function.

极限提供了定义函数的导数和积分的方法。

The integral of a function over a definite interval .

在有限间隔内的函数积分。

A method of construction of Liapu-nov function is given. This Liapunov function has form of x plus an integral of a nonlinear function ?

提出一种处理"二次型加非线性函数的积分"形式的函数的方法，并得到一个新的绝对稳定准则。

Say from the angle of mathematics, This software mainly plays to show the integral calculus of Bernhard Riema , together two heavy integral calculuses of a function.

从数学的角度说，本软件主要将演示黎曼积分、齐次函数的二重积分。

This software carried out the calculation of the integral calculus of Bernhard Riema with draw the function sketch of the Bernhard Riema integral calculus function and together the function that two calculation and integral calculus zone diagrams of the heavy integral calculuses of a function draw.

本软件将实现黎曼积分的计算与绘制黎曼积分函数的函数图形、齐次函数的二重积分的计算与积分区间图的绘制的功能。

When computing the diagonal elements of the Galerkin matrix, one will encounter the integral of Hankel function, the Green's function of 2-dimensional Helmholtz equation and the cosine weighting function, whose integrand is singular in the integration range. A new approach is proposed to deal with this kind of singular integrals, which is pivotal but have not been reported so far.

首先建立了透镜边缘上任一点的电场满足的边界积分方程，然后选择适当的正交模式函数展开端口上的电场分布，采用边界元法的思路及Galerkin法将该积分方程离散化为—矩阵方程求解即可得到透镜的多模式散射参数。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。