查询词典 Hessian

Norm is obtained. Fourthly, we propose a new mesh adaptation algorithm based on the Hessian matrix, which is suitable for 2-D 3-T radiation heat conduction equations.

第四，本文从基于Hessian矩阵的网格自适应理论出发，设计了一种适用于二维三温辐射热传导方程的网格自适应算法。

Based on this reformulation, we first give the conditions under which the stationary point of unconstrained optimization problem is a solution of GNCP, and then give the conditions under which Hessian matrix of vector-valued function is nonsingular.

基于此转化形式，我们首先研究优化问题的稳定点为GNCP问题解的充分条件，然后建立无约束优化问题的向量价值函数的Hessian矩阵非奇异的充分条件。

The normal directions of light stripes in an image are determined by using Hessian matrix.

利用Hessian矩阵确定图像中光条法线方向，在光条法线方向上求解光条中心亚像素位置，用8方向搜索法剔除干扰光条。

A novel robust adaptive quasi-Newton algorithm for generalized eigen-decompositon problem was proposed by making use of an approximation of its Hessian matrix.

利用近似Hessian矩阵，提出了一种新的自适应拟牛顿广义特征分解算法。

An modified BFGS algorithm o solve the unconstrained optimization, whose Hessian matrix of the minimum point of the convex function is rank one defect, is presented in this paper.

本文对凸函数在极值点的Hessian矩阵是秩亏一的情况下，给出了一类求解无约束优化问题的修正BFGS算法。

Proofs that when iterating with the BP algorithm, if one of the neural units fall into saturation regions at least, and the other one at least don't, then the condition number of the Hessian matrix of the error function is very larger.

证明了BP算法在迭代过程中，如果至少有一个神经元落入饱和区而同时至少有一个没落入饱和区，则目标函数的Hessian阵的条件数变大，这是导致"网络瘫痪"现象的原因，也是BP算法收敛速度慢的主要原因。

Combining the characteristics of Hessian matrix eigenvectors and the geometry direction of fingerprint, the proposed algorithm tracked the ridges of fingerprint and extracted minutiae accurately.

该算法结合Hessian矩阵的特征向量和指纹纹线本身的几何方向的特点，提取跟踪曲线的细节点。

Further, according to the positity of the Hessian matrix, which is got from the second order adjoint model, the uniqueness of the assimilation result is manifest. And the relationship between the rate of convergence and the frequency of the observation utilization in the assimilation is investigated.

进一步，借助二阶伴随模式所得到的Hessian矩阵，说明同化解是唯一的，并分析了优化算法的收敛速度与同化过程中观测资料使用频率的关系。

It is shown that the Hessian matrix and the density of states can be obtained reasonably using the equivalent Coulomb potential in the form of the complementary error function.

计算实践表明，取用余误差函数形式的等效库仑势，可以合理地得到Hessian矩阵和态密度。

This is the Hessian protocol interface, the service pack, is the actual project code.

详细说明：这个是Hessian协议的接口服务包，是实际项目中的代码。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。