查询词典 hessian

The algorithm requires the bound of the eigenvalues of the Hessian can be estimated and uses the bound to determine the stopping rule.

算法要求函数的Hesse矩阵特征值的界可估计，并利用该界确定算法的终止条件。

In this paper,we give a sufficient and necessary condition for the level surface s with respect to non-degenerate quadratic functions by the usage of the Hessian metric and of a transversal vector field.

本文利用Hessian度量和横截向量场，给出了非退化二次函数的水平曲面的一个充要条件。

The calculation of controlling unstable equilibrium point of a post fault power system is transformed to nonlinear least squares issue. The Jacobi matrix, Hessian matrix and the residue formula are derived. It is found that the residue is changed in the calculating process, so it is appropriate to use the switch method to solve the problem.

将计算电力系统故障后的主导不稳定平衡点的问题转化为最小二乘问题，推导了计算所需要的雅可比矩阵、海山阵以及计算过程的残量公式，发现残量随著计算过程而变化，因此该问题适合于采用开关算法。

With these taints you get the smell of woodiness, mould, a wet hessian smell and the loss of fruit flavour of the wine, where iris simply flattened.

有这些污点，可能就会有木头味、霉味、湿粗麻布味，并使葡萄酒的果味失掉，酒也会失去光泽。

In this package, the operations and functions of vector, matrix and pronumber are implemented by object-oriented programming technique, so that the gradient and Hessian of objective function can be calculated automatically and up to the machine precision of computers, and it provides the basis for accurate and effective optimization.

用面向对象技术实现了向量、矩阵和延拓数的相关运算和函数，使得目标函数的梯度和赫斯矩阵可以自动地求出，并且可达机器精度，为准确而有效的优化算法提供了基础。

People built their own homes in Bay Roberts, using nails purchased in hessian sacks from a local factory.

罗伯茨湾的人喜欢自己建房，用的钉子是从本地一家工厂买的，都用麻袋来装。

People built their own homes in Bay Roberts, using nails purchased in hessian sacks from a local factory.

罗伯茨湾的人喜欢自建房屋，用的钉了是从本地一家工厂买的，都装在麻袋时。

That calm profile under the little three-cornered hat of the school of Brienne, that green uniform, the white revers concealing the star of the Legion of Honor, his great coat hiding his epaulets, the corner of red ribbon peeping from beneath his vest, his leather trousers, the white horse with the saddle-cloth of purple velvet bearing on the corners crowned N's and eagles, Hessian boots over silk stockings, silver spurs, the sword of Marengo,--that whole figure of the last of the Caesars is present to all imaginations, saluted with acclamations by some, severely regarded by others.

布里埃纳①军校的小帽下那种镇静的侧面像，那身绿色的军服，遮着勋章的白翻领，遮着肩章的灰色外衣，坎肩下的一角红丝带，皮短裤，骑匹白马，马背上覆着紫绒，紫绒角上有几个上冠皇冕的N和鹰，丝袜，长统马靴，银刺马距，马伦哥剑，在每个人的想象中都有着这副最后一个恺撒的尊容，有些人见了欢欣鼓舞，有些人见了侧目而视。①布里埃纳，地名，拿破仑在该地军校毕业。

Since 1995 he organises workshops and trainings (Dr. Staudt Weinseminare). Furthermore he is consultant at the Italian Institute for Foreign Trade, at the German School of Wines and Sommeliers in Koblenz and the Hessian Association of Hotel and Catering in Darmstadt.

持有烈酒和葡萄酒的证书，并是德国短缺葡萄酒鉴定家之一。1995年起，他建立了工作室和培训中心

Medium grade - wide width paper backed to prepared, previously painted surfaces, glassfibre, non-woven wallcoverings and paper-backed Hessian to normal prepared surfaces.

中度-宽度纸支持了对准备的，早先绘好的表面、玻璃纤维、非编织的墙面覆盖和paper-backed 粗麻布对正常准备的表面。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。