上次我们看了,怎样利用拉格朗日算子,去求解一个受约束的,多变量函数的最大最小值。
OK, so last time we saw how to use Lagrange multipliers to find the minimum or maximum of a function of several variables when the variables are not independent.
其中一个是找出一个函数的极小值,极大值,这个函数的变量是相关的,这种方法称为拉格朗日乘数法。
One of them is to find the minimum of a maximum of a function when the variables are not independent, and that is the method of Lagrange multipliers.
借助目标函数的导数、约束映射的余切导数及拉格朗日映射给出了值映射的余切上图导数的两个表示。
Two representations of contingent epiderivative of the value map is given in terms of the derivative of the objective function, the contingent derivative of the constraint .
利用罗尔中值定理给出了函数与其拉格朗日插值函数间的关系,得到中值定理的另外一种形式,并给出了它的应用。
Another form about the median theory and its application is put forward according to the relation between the function and its Lagrange interpolation function in accordance with Rolls median theory.
在时间单元上用拉格朗日插值函数构造近似解。
In each time element, approximate solution is constructed by the Lagrangian interpolation functions.
然后利用拉格朗日乘数法与隐函数定理,求出了使其中一不等式局部反向的临界值。
Furthermore, utilizing the Lagrange method of multipliers and the implicit theorem to work out the critical value which makes one of those inequality locally inverted.
地统计学的基础理论与方法主要包括:区域化变量、半方差函数、克立格空间插值技术。
The geostatistics's basic theories and techniques include the regionalized variables, the semivariance function and Kriging Interpolation.
格值有限状态自动机的研究:首先,提出了格值有限状态自动机的概念,它的状态转移函数定义为?。
Lattice-valued finite automata. We introduce the conpect of lattice-valued finite automata. The state transition function is defined as ?
方法通过建立估值点周围邻域点间空间分布权系数的函数,确定参与克立格估值计算的邻域点。
In order to optimize the algorithm of selecting Kriging neighborhood points, this paper introduces a new algorithm based on space distribution weight coefficient.
在此基础上,结合拉格朗日插值函数推导出了考虑施工顺序及遮栏效应的群桩挤土位移场的解析解。
Based on the analytical expressions of singe pile and Lagrange interpolating function, the closed-form analytical expressions of displacement fields of soil around jacked group piles were derived.
有办法确保COUNTIF函数将这些单元格的值作为字符串参数不做隐式转换?
Is there a way to ensure the COUNTIF function takes these cell values as string parameters without doing an implicit cast?
有办法确保COUNTIF函数将这些单元格的值作为字符串参数不做隐式转换?
Is there a way to ensure the COUNTIF function takes these cell values as string parameters without doing an implicit cast?
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