According to unary function limit and multivariate function limit of mathematical Analysis, the validity of the index Vnew is proved in theory.
并根据数学分析中一元函数和多元函数的极限的相关知识，在理论上证明了该指标的有效性。
In this paper we give a method of test, which makes use of the gradient, to verify the extreme value of multivariate function, and give some typical examples.
本文给出了利用梯度判定多元函数极值的判别法，并提供了若干范例。
The monotone property of multivariate function proved that the maximum stress strength point exists on the inner surface of casing under the triaxial stress conditions.
通过实例计算，对比分析了用“三向应力圆”理论与其他几种理论计算的抗挤强度值。
Concept and operation rules of generalized partial derivative of multivariate function are given basis on generalized derivative of single variable function in this paper.
在一元函数广义导数定义的基础上，提出了多元函数广义偏导数的概念，相应地建立了广义偏导数的运算规则，获得了有关的一些性质。
We introduce and motivate the main theme of the course, setting the problem of learning from examples as the problem of approximating a multivariate function from sparse data.
我们引出本课程的主题，把从样例中学习的问题转化成从稀疏资料中逼近多变数函数的问题。
We introduce and motivate the main theme of the course, setting the problem of learning from examples as the problem of approximating a multivariate function from sparse data.
我们引出本课程的主题，把从样例中学习的问题转化成从稀疏资料中逼近多变数函数的问题。
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