查询词典 rectangular matrix

One of the questionsasked by Bhatia and Choi is: Given a partial matrix N =?

针对Bhatia与Choi提出的问题：给定2n阶分块部分矩阵N=？

In comparison with the HD measured configuration, it can't make full use of all poles. It takes much longer time to inverse only several sounding points, and in the calculation of partial derivatives Jacobian matrix.

与高密度电阻率法测量装置对比，其对电极的利用率较低，仅几个电测深点的反演就需要很长的时间。

Moreover, relations between some matrix weighted partial orderings are investigated, and weighted partial orderings of matrices and orderings of their functions are also compared.

此外，我们还讨论了几种矩阵加权偏序之间的关系，并结合本文提出的矩阵函数研究了矩阵偏序与其函数偏序之间的关联。

We drew a conclusion that the change of contents in enamel and crystal orientations and partial decomposition of the organic matrix might be the main reason for enhancing acid resistance.

认为激光对牙釉质表面处理后，牙釉质所含成分的变化和晶柱取向的改变以及有机基质的部分分解是牙齿抗酸能力提高的主要原因。

The unified theory presented here covers all matrix partial orders.

讨论矩阵偏序的一致理论，给出的一致理论可以刻划所有的矩阵偏序。

When boron content is ＞0.5wt%, the martensite transformation has occurred in partial austenite matrix of the alloy solidification structure.

奥氏体基体成分的经验计算为含B多元合金奥氏体的电子、原子层次的能量计算提供了参考数据。

Especially, combining with the weighted polar decomposition and simultaneous weighted polar decomposition of matrices given in this thesis, we derive two interesting characters of the new matrix partial ordering.

特别地，与本文提出的矩阵加权极分解和同时加权极分解相结合得到了两个有意义的结论。

Firstly, we simply introduce the basic knowledge of the comparison of estimate and model. Then, we use matrix partial order theory to compare the generalized ridge estimation with the least square estimation in section III of this chapter.

首先，简单介绍了估计和模型比较的基础知识，然后在本章第三节利用矩阵偏序理论比较了广义岭估计与LS估计。

This result gives a quatitative proof to the partial determination of the S matrix in the RAS technique of the modefied technical coefficient.

在第四章中，研究了利率、工资及产品价格变动对直接消耗系数的影响，这一结果为修正直接消耗系数的RAS法中的S阵的部分确定，即价格影响部分提供了定量依据。

In the chapter 4, we discussed the generalized linear inversion method of direct current IP data from the angle of the least squares method. The computed speed of inversion can be greatly raised by calculating the partial derivatives matrix combining the reciprocity principle with Broyden\'s quasi-Newton method.

在第四章中，从最小二乘广义线性反演的角度，探讨了直流激电数据的广义线性反演方法；在偏导数矩阵的计算过程中，通过将互换原理与Broyden拟牛顿技术相结合的计算方式，可大大提高反演的运算速度。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。