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- 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。
- The formula is given for? calculating? generalized directional derivative by using the directional derivative of convex functions. 给出了用凸函数方向导数计算广义方向导数的公式.
- Is a direct derivative of the DCE-RPC module, which was developed as a result of a DCE replacement strategy. 是DCE-RPC模块的一个直接派生物,这是作为DCE替换策略开发的一个产品。
- A new silhouette detection method,an approach using extremum of first directional derivative,is proposed based upon a general gradient model. 在虚拟现实中矿井物体轮廓是很重要的特征。
- Silhouette lines are extracted automatically from image,by acquiring points of extremum of first directional derivative perpendicular to silhouette line with Fourier Transform in frequency domain. 本文提出通过傅里叶变换,在频率域通过求垂直于物体轮廓线的一阶方向导数,并检测其极值点(极大极小)来确定物体轮廓。
- DIRECTIONAL DERIVATIVE AND ITS APPLICATION 方向导数及应用
- The results show that when evaluated with the indexes of cross entropy and contrast, it performs better than the wavelet transform based fusion method with the fusion rules of maximum absolute coefficient and maximum directive contrast. 仿真实验表明，较之于基于最大绝对系数和最大方向对比度的小波变换融合方法而言，该方法在交叉熵和对比度意义上性能更佳。
- Second-order directional derivative 二阶方向导数
- second-order Dini directional derivative 二阶Dini方向导数
- generalized directional derivative 广义方向导数
- The maximum load for this lorry is one ton. 这辆卡车最大载重量是一吨。
- By using the direct derivation method, the natural characteristics' sensitivities with respect to the undamped equivalent model parameters were derived. 摘要应用系统矩阵法，推导了扭转振动固有特性的灵敏度公式；
- Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。
- This hall holds a maximum of seventy people. 这厅最多容纳七十人。
- The dress is carefully styled for maximum comfort. 这服装精心设计，力求达到最大限度的舒适。
- A Novel Edge Line Detection Method Based on Directional Derivative 一种基于方向导数的边缘直线检测算法
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- A maximum or minimum value of a function. 极大值，极小值函数的最大值或最小值
- ANALYZING THE ERROR OF JC METHOD BY MEANS OF DIRECTIONAL DERIVATIVE 用方向导数分析JC法的误差
- The relation between partial derivative and directional derivative 偏导数与方向导数的关系
