This problem requires us to find the extremum of the function.

这道题要求我们找到函数的极值。

In physics, the extremum of energy often corresponds to a stable state.

在物理学中，能量的极值通常对应于稳定状态。

The purpose of this experiment is to find the extremum conditions of the system.

这个实验的目的是找到系统的极值条件。

By taking the derivative, we can determine the extremum points of the function.

通过求导数，我们可以确定函数的极值点。

In mathematics, the extremum of a function is its maximum or minimum value within a certain region.

在数学中，函数的极值是其在某一区域内的最大值或最小值。

To locate an extremum we look for these points.

为了确定极值，我们需要找这些点。

Meanwhile, the differences between the conditional extremum and unconditional extremum in concept and evaluation are pointed.

同时还指出了条件极值和无条件极值在概念上及求法上的一些区别.

It has revealed the relations of every extremum principle each other in certain extent.

这在一定程度上揭示了各极值原理间的相互关系。

Extremum problem of multimodal functions is a difficult issue in optimization fields.

多峰值函数的极值问题一直是优化领域中的一个难点和热点.

For multiple extremums, analysis and filter methods are used to search the correct extremum which is to be adopted as threshold of gray-level segmentation.

对于出现多个极值情况时进行分析筛选，把分割缺陷比较理想的极值作为灰度分割的阈值。