local/global extremum
local 和 global 是修饰极值的常见形容词。
The function has a local extremum at x = 2.
该函数在 x=2 处有一个局部极值。
极值
extremums — plural of extremum
最大值或最小值的点或值;距离某物中心最远的点;可能的最极端数量或值
the point that lies farthest from the middle of something
最大值或最小值的点或值
A point, or value that is a maximum or a minimum.
距离某物中心最远的点
the point located farthest from the middle of something
可能的最极端数量或值
the most extreme possible amount or value
On the graph, the extremum is the point where the line stops rising and begins to fall.
在图表上,极值就是线条停止上升并开始下降的那个点。
用法提示:名词 extremum 表示曲线上的极值点,这里指最高点。
The extrema of the temperature readings were 12°C and 34°C.
温度读数的极大值和极小值分别为12摄氏度和34摄氏度。
用法提示:复数 extrema 表示一组数据中的最大和最小值。
In this dataset, the extremum is the value farthest from the average.
在这个数据集中,极值是离平均值最远的那个数值。
用法提示:名词 extremum 指距中间(平均值)最远的点或数值。
local 和 global 是修饰极值的常见形容词。
The function has a local extremum at x = 2.
该函数在 x=2 处有一个局部极值。
We need to find the extremum of this curve.
我们需要找到这条曲线的极值。
常用动词 attain 表示取得极值。
The function attains an extremum at the critical point.
该函数在临界点处取得极值。
grammar · medium
易错句子This point is extremum.
正确表达This point is an extremum.
“extremum”是名词,不能直接作表语,前面需要加不定冠词“an”。
grammar · medium
易错句子The function has several extremums.
正确表达The function has several extrema.
“extremum”的复数形式是“extrema”,而非规则加-s。
极值包括最大值和最小值;最大值指最大的极值。
极值包括最大值和最小值;最小值指最小的极值。
极值强调数值的极端,而最优值强调最佳或最有利的条件。
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