方向导数的英文
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"方向导数"怎么读用"方向导数"造句
英文翻译手机版
- directional derivation
- directional derivatives
- "方向"英文翻译 direction; orientation
- "导数"英文翻译 derivative; differential coe ...
- "【数学】方向导数。" 英文翻译 : directional derivative
- "定向导数" 英文翻译 : directional derivative
- "法向导数" 英文翻译 : noral derivative; normal derivative
- "径向导数" 英文翻译 : radial derivative
- "前向导数" 英文翻译 : forward derivative
- "外法向导数" 英文翻译 : exterior normal derivative; exteriornormalderivative
- "纵向导数" 英文翻译 : longitudinal derivative
- "一阶垂向导数" 英文翻译 : first vertical derivation
- "方向导杆" 英文翻译 : direction arm
- "方向导轨" 英文翻译 : traversing guide
- "垂直方向导航" 英文翻译 : vertical navigation
- "泛方向导向球" 英文翻译 : somniflect
- "喷流方向导航" 英文翻译 : jet guidance
- "泛方向导向物体" 英文翻译 : uomniflect
- "全向导航 全程 全方向" 英文翻译 : omnirange
- "增泛方向导向板" 英文翻译 : pomniflect
- "左右方向导信号" 英文翻译 : right left signal
- "方向安定性导数" 英文翻译 : derivative in sideslip; weathercock stability derivative; yaw derivative
- "方向安定性动导数" 英文翻译 : dynamic derivative in sideslip
- "泛方向导向板空间变形" 英文翻译 : pomniflect ace warp; pomniflect space warp
- "泛方向导向板空间扭曲" 英文翻译 : pomniflect space warp
- "泛方向导向球空间变形" 英文翻译 : somniflect ace warp; somniflect space warp
- "泛方向导向球空间扭曲" 英文翻译 : somniflect space warp
例句与用法
- Derivatives in higher dimensions , directional derivative and gradient
多维微分、方向导数和梯度。 - Derivatives in higher dimensions , directional derivative and gradient
在多维度中的微分、方向导数和梯度。 - Error estimates of directional derivatives of approximately specified functions
近似已知函数方向导数的误差估计 - We discuss several different definitions of directional derivative and gradient vector
摘要讨论了几种不同的方向导数和梯度的定义。 - Secondly , the new generalized gradient is introduced to take advantage of the given directional derivative
其次讨论了一类新的广义梯度,这样的广义梯度能够充分利用已经有的方向导数的信息。 - Next , in the interior of the patches , surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso - parametric curves
其次,在曲面片内部,曲面拟合点和边界方向导数可以从参考曲线中通过构建虚拟等参线的方法得到。 - As the directional derivative defined in this paper does n ' t show convexity , when its properties are considered , it is necessary to search for new ways to reach the conclusion
本文定义的广义方向导数在一般情况下不具有凸性,因而研究其性质时,要采用新的方法来得到类似的结论。 - Used perturbed method and making inexact generalized gradient projection with cone , perturbed generalized gradient projection method is proposed . the field of the algorithm is extended . numerical experiments show that the method is effective . secondly , using the trust region form and the pseudo - directional derivative of minimax problem , we propose the trust region form of minimax problem
对信赖域法作了进一步的研究,借助minimax问题的伪方向导数,构造出其信赖域二次模型,并结合非单调策略,给出求解minimax问题的简单易行的信赖域算法。 - Section 3 and section 4 are the main parts of the paper . by employing the directional derivative and generalized gradient in the broad sense , as defined in this paper , the first order necessary condition and the first order sufficient condition of the single - objective non - smooth programming where the objective function is d - regular weak lipschitz function and constrained functions are regular weak lipschitz functions
第三节和第四节是本文的主要章节,以本文定义的广义方向导数和广义梯度为分析工具,对目标函数为d正则弱l函数,约束函数为正则弱l函数的单目标非光滑规划分别给出了一阶必要条件和一阶充分条件。 - Finally , this thesis discussed these following questions : first , the algorithm of used the error image for improving the purpose of the edge detection . secondly , we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain . thirdly , we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform
最后,在传统的边缘检测算法和小波分析的边缘检测算法之外,对以下几个方面也进行了一些讨论: 1 )利用误差图像来提高边缘检测效果的算法; 2 )将求解任意方向的一阶、二阶方向导数的问题转换到频域中去求解,发现在频域中它们具有简单易用的公式,使得原来求解任意方向的一阶、二阶导数的比较困难的问题变得容易实现了。
- 更多例句: 1 2
百科解释
方向导数(Directional derivative)是一个多变量可微函数上的任意一点沿着某一向量方向的瞬时变化率。方向导数是偏导数的概念的推广,也是加托导数的一个特例。
详细百科解释
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