二阶导数是一阶导数的导数，从原理上,它表示一阶导数的变化率;从图形上看,它反映的是函数图像的凹凸性。
二阶导数
网络释义专业释义
... 二阶导数 second derivative 二阶导数 second order derivative （二次方程）两个不同的根 separate roots ...
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在,且 ′(t ) ≠ 0 ,则 1 1 x 2 (arcsin x )′ = d arcsin x = dx dy ψ ′(t ) = dx ′(t ) ( ′(t ) ≠ 0) 二阶导数 (arccos x )′ = 1 1 x2 d arccos x = 1 1 x2 dx (arctan x )′ = [ln(x + ( 1 1+ x2 (arc cot x )′ = 1 2 1+ x x +a 2 2 d arctan x = ...
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短语
二阶导数的对称性 symmetry of second derivatives ; Equality of mixed partials ; Clairaut's parameter ; Clairaut's formula
二阶导数光谱法 Second order derivative spectrophotometry
二阶导数试验法 Second Derivative Test
二阶导数谱学 second derivative spectroscopy
二阶导数分光光度法 secondary derivative spectrophotometry ; second derivative spectrometry
二阶导数光谱 second derivative spectrometry ; second derivative spectrum
二阶导数项 second order derivative
二阶导数法 Second Derivative ; second derivative methods
二阶导数方法 second-derivative methods
双语例句原声例句
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那么二阶导数判定是怎样的呢？
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他们说二阶导数转为正值了。
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总而言之，我们所做的就是求二阶导数。
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And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.
麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。
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So I'm hoping you guys are comfortable with the notion of taking one or two or any number of derivatives.
我希望你们,能习惯求一阶,二阶,或者任意阶导数的概念
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But, of course, it's going to come from the fact that these second derivatives are also equal.
但是，结果同样是依赖于,二阶混合偏导数相等。
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