In the paper, it provides the geometrical solution to extreme value of many variables function by geometric properties of objective function or constraint condition.
本文中，利用目标函数或约束条件的几何性质，提供了某些多元函数极值或最值问题的几何解法。
Wenxue li put forward a sufficient condition of conditional extreme value with Lagrange function but his proof is wrong.
摘要李文学用拉格朗日函数提出求条件极值的充分条件，但他的证明却是错误的。
The criterion extreme value of binary function for first partial derivative is given by means of the mean value theorem. The two theorems are obtained.
以中值定理为工具，给出了利用一阶偏导数判定二元函数极值的方法。
This paper USES the theory of quadratic form to distinguish this problem, not only that, it enlarge to calculate extreme value for function of many variable.
本文使用二次型的理论进行判断，并将问题扩大为求任意多元函数的极值。
The paper gave disperse pattern of laplace function under in - uniform grid, which fulfills acceptance character and error maximization theory. it also has fulfills the character of extreme value.
本文在一个不规则网路上离散拉普拉斯运算元的差分格式，不但能满足相容性及极值原理，而且还具有误差极少性质。
Striving for the possible extreme value points of poly function with addition condition by using the function processions.
利用函数行列式求得多元函数在附加条件下的可能极值点。
Is also a function of extreme value theory, and many other mathematical theory of power series basis.
也是函数的极值、幂级数理论等众多数学理论的基础。
The general conclusion is derived by using the features that moment of inertia is a function of the Angle of rotation and the function has extreme value.
该方法利用惯性矩是方位角的函数，且函数有极值的特征推出普遍性结论。
By using Taylor's formula, the article deduces the sufficient condition of the existent extreme value and the necessary condition of the inexistent extreme value of trinary function.
通过利用泰勒公式推导出判断三元函数极值存在的充分条件和极值不存在的必要条件。
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。
Dynamic programming is an optimal arithmetic which is commonly used in operational research and can be used to solve the extreme value of the function in restricted condition.
动态规划法是运筹学中的一种常用的优化算法，可以用来求解约束条件下的函数极值问题。
Wenxue Li put forward a sufficient condition of conditional extreme value with Lagrange function, but his proof is wrong.
李文学用拉格朗日函数提出求条件极值的充分条件，但他的证明却是错误的。
Wenxue Li put forward a sufficient condition of conditional extreme value with Lagrange function, but his proof is wrong.
李文学用拉格朗日函数提出求条件极值的充分条件，但他的证明却是错误的。
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