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汉语拼音：jí zhí

如果一个函数在某点的函数值大于或小于它附近任何一点的函数值，那么这点的函数值叫做该函数的极大值或极小值，统称极值。

极值 [函数的极大值@@@@@maximum@@@@@或极小值@@@@@minimum@@@@@均称为函数的极值。#####]

1. 函数的极大值@@@@@maximum@@@@@或极小值@@@@@minimum@@@@@均称为函数的极值。

• To locate an extremum we look for these points.

  为了确定极值,我们需要找这些点.

• Economists are usually interested in global extrema.

  经济学家经常碰到的是求整体极值.

• We shall subsequently obtain some interesting results on global extrema.

  我们将不断地得出关于整体极值的某些有用的结果.

• It analysis the law of phasor error " change. "

  并研究了 功角 误差变化时极值的变化规律.

• Finally, the Bahadur asymptotic efficient est imator is constructed through extremal statistic.

  最后, 利用极值统计量构造了相应的Bahadur渐近有效估计.

• Usually , wavelet transform module maximum accords with saltation points.

  小波变换模的极值点常对应于信号突变点.

• A long repetition interval relative to a big extreme variation, vice versa.

  结果显示,重现期越长,增减水极值越大, 反之,增减水极值越小.

• It will be infinitely worth the effort.

  这是极值得我们努力去做的.

• Extremal multi - function, multi - function partial derivative method.

  多元函数的极值, 多元函数偏导数的求法.

• T . Rockafellar. Convex analysis. Princeton University Press Princeton.

  刘光中. 凸分析与极值问题. 高等教育出版社. 1991.

• DETECTION OF TRENDS IN CHINA'S PRECIPITATION EXTREMES.

  中国降水极值变化趋势检测.

• The paper derives Boltzmann distribution law in terms of the principleof maximum information entropy.

  本文从信息熵概念着手,利用信息熵的极值性质导出了Boltzmann分布律.

• But along with the extending of the problem, GA tends to get local optimum s.

  但是随着问题规模扩大, 简单遗传算法容易出现“早熟”或陷入局部极值.

• The concentration of ethanol and acetaldehyde in Meiguixiang grape after 120 day storage was studied.

  研究了不同极值气体条件下贮藏过程中,玫瑰香葡萄果实内乙醇和乙醛含量的变化规律.

• That is multi - direction extreme value approximate convex hull algorithm, and is called MDEV for short.

  提出并实现了平面点集凸壳的一种新的近似算法 —— 多方向极值法.