查询词典 linear

The questionnaire method and the interview menthod were used to gain the tourist data, the quota sampling method was used in sampling survey, the principal component analysis method was used to measure the various variables, the statistical methods such as linear regression analysis, multivariate linear regression analysis, single factor variance analysis and logistic regression analysis were used to analyzes the relationship between various variables.

具体来说，在获取游客数据时采用了问卷调查法和访谈法，在抽样调查时采用了配额抽样方法；对各变量进行测度时使用了主成分分析法；在分析各变量之间相互关系时采用一元线性回归分析、多元线性回归分析、单因素方差分析及Logistic回归分析等统计方法。

In this paper we have found the main component s in a n -dimension random vector X , the so called main compon ents don′t contain linear relation and the others of X can be expressed as the linear combination of the main component s.

本文提供了在多维随机变量中寻找主成分的一种方法，证明了其余分量均可表示为主成分的线性组合，解决了多维随机变量的各个分量之间所存在的线性关系问题。

The variation of pH and conductivity of various phosphate solution with the solution temperature were obtained based on the physical chemistry theory and ionization equilibrium theory in electrolytic solutions, and be testified experimentally under radiation of ultrasonic wave. The pH was a linear function with the reciprocal of thermodynamic temperature, and the conductivity was a linear function with the temperature in phosphate solution.

三、超声波对双水相系统组成物质、两相组成及溶质分配影响的研究根据物理化学原理和电解质溶液电离平衡理论分析推导和实验验证，揭示了超声波作用下不同组成磷酸盐溶液的pH值和电导率随溶液主体温度变化的规律：磷酸盐溶液的pH值与溶液主体绝对温度的倒数成线性关系，磷酸盐溶液的电导率与溶液主体温度成线性关系。

Firstly, the coefficient matrix is put into Excel so as to see the possible solution to the linear equation groups; then the reciprocal matrix of the coefficient matrix is obtained; lastly the solution to the linear equation group is gotten.

首先在Excel中输入系数矩阵，并判断线性方程组是否有解，然后求出系数矩阵的逆矩阵，最后求出线性方程组的解。

This unit content is to be on the image basics that had learned department of planar rectangular coordinates, function, make a student farther understand the intention of function, the linear that exists between the amount in feeling real world concerns, how does experience apply linear function knowledge to solve real problem.

本单元内容是在已经学习了平面直角坐标系、函数的图象基础上，让学生进一步理解函数的内涵，感受现实世界中数量之间存在的线性关系，经历如何应用一次函数知识解决实际新问题。

Standard curve ; linear regression method ; quasi-linear regression method ; function

标准曲线；直线回归法；拟线性回归法；函数

Has only one nonconstant regressor x, it is called a simple linear regression model, or two-variables regression model, or bivariate linear regression model.

等式y = b0 + b1x + u只有一个非常数回归元。我们称之为简单线性回归模型，两变量回归模型或双变量线性回归模型。

In this dissertation, we establish the fundamental theory and methods to study systems of linear matrix equations over regular rings and polynomial rings over finite central algebras; and investigate some significant systems of linear matrix equations over the rings mentioned above.

本文在正则环和有限维中心代数上的多项式环上初步建立了研究矩阵方程组的基本理论和方法，并在上述环上研究了具体的具有重要意义的矩阵方程组。

If the step of the linear system question is not very high, direct solving method is better; if coefficient matrix of the linear system question is not regular and large-sparse matrix , direct solving method does not settle the storage question.

而在求解线性方程组的许多实际问题中，尤其在偏微分方程的差分方法与有限元方法求解问题之中，方程具有重要的特征，一是多为大型稀疏矩阵；二是满足一些条件如对称正定、对角占优等，这使迭代法得到广泛的应用。

This system is fitted separately by six models of before linear system and after linear system and then the optimal model with minimum relative error is chosen to describe the system.

利用前线性系统与后线性系统中的6个模型来分别拟合该系统，从中选取辨识相对误差最小的模型来描述该非线性系统。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！