线性相关性

两个向量组线性相关性的判别

The Discrimination for Linearly Dependent of Two Vector Groups

但PCA只去除了数据的线性相关性。

But PCA can only remove the linear correlation of the data .

此外，PPO与总酚的含量变化没有线性相关性。

Moreover , there was no linear relationship between PPO activity and total phenol content .

若假定市场数据服从正态分布，我们可以得到与马可维茨投资组合理论类似的结论，即线性相关性越小，投资组合的风险（VaR值）就越小。

If market data has Gaussian distribution , we can prove the smaller linear correlation is , the smaller VaR , of portfolio is .

E（F）与H（41）之间良好的线性相关性进一步说明了键参数拓扑指数具有关联无机化合物的性质。

A good linear dependence of E ( F ) on H ( 41 ) reveals that bonding parameter topological index can be really used to correlate the properties of inorganic compounds .

当采用PCA方法时，可以降低误差数据影响，去除数据的线性相关性以及降低输入数据的维数；

With PCA , it is able to lessen effect of err datars , eliminate datas ' linear correlation and reduce dimension of input datas .

结果表明L1和bcl-2/bax基因表达存在线性相关性，这提示L1的表达可以抑制脊髓神经元的凋亡；

Linearity positive correlation between L1 / β - actin and bcl-2 / bax indicates that expression of L1 can inhibitor apoptosis .

本文首先从理论上对TOC与COD的相关性进行了探讨，证明其具有理论线性相关性，并推得线性相关性通用数学模型。

In this paper , the correlation of TOC and COD was discussed theoretically . It proved that there was a linear correlation of them in theory .

所以在使用VaR方法度量风险的时候必须全面考虑组合的线性相关性和尾部相关性以力求结果的准确性。

The result indicates the tail dependence has an important influence on VaR of portfolio . Therefore , we must consider the dependence completely when we use VaR to measure risk .

通过研究向量之间的线性相关性即可得到新的theta函数恒等式。

The new theta function identities can be derived by considering the linear dependence relations among the elements of the vector space .

通过利用突变结PIN理想结构电场分布模型，分析了该结构发光二极管（LED）反向击穿电压与非故意掺杂有源区厚度的线性相关性。

The linear relation between the reverse breakdown voltage and un-doping active region ′ s thickness of PIN light emitting diode ( LED ) was analyzed by using the ideal PIN structure ′ s electric field distribution model .

根据元素键参数拓扑指数，并计算了54种金属离子的拓扑指数，用于关联金属离子与EDTA配位稳定常数研究，得到了较好的线性相关性。

According to element bonding parameter topological index and calculate topological index of 54 variety metal ions . use to follow research of metal ions and EDTA coordinate stability constants obtains better liner relativity .

ΔN2O与AOU间有显著的正线性相关性，说明海洋内部的硝化作用是产生N2O的主要机制。

The correlation between Δ N_2O and AOU was notably positive , suggesting that nitrification might be a major mechanism of N_2O formation in the sea .

汽油污染土柱尾气TPH（总汽油烃浓度）测定值与TVOC值之间存在显著的线性相关性。

The value relation between total petroleum hydrocarbon ( TPH ) and TVOC of tailing gas from soil column contaminated by gasoline was linearity .

利用分光法测定啤酒对DPPH自由基的清除率，来表示啤酒的抗氧化能力，以评价其老化程度，结果显示清除率与老化程度之间有相当高的线性相关性。

DPPH-spectroscopy is used to determine the scavenging rate and estimate the extent of beer staling , as a result the scavenging rate show a high relativity with staling extent .

与以前算法相比，新算法无需求Hessian矩阵的秩，无需判定方程的线性相关性，从而大为减少了计算步骤，且计算更为简单。

The new algorithm does not need to calculate the rank of Hessian matrix and determine the linear dependence of equations , so the steps of calculation decrease greatly .

另外，还发现茶叶中La，Ce，Th，U含量之间有很强的线性相关性，并提出了一种判别茶叶是否受到人为Pb污染的方法。

Moreover , it was found that the contents of La , Ce , Th , U in all of tea samples well correlate with each other , and a method was proposed to evaluate whether or not tea was polluted by lead originated from human activities .

MC与SSC之间具有很好的线性相关性，其线性拟合方程说明可溶性固形物含量和水是构成果实质量的主要因素，该结论对于桃和梨也成立。

There were obvious linear relationships between melons ' MC and SSC , their linear fitting equation indicates that soluble solids and water are major factors which constitute melon . This conclusion is also set up for peach and pear .

干旱胁迫下桂花光合特性与叶绿素荧光特性部分指标之间有极高的线性相关性，除WUE与其他指标呈现负相关外，其他指标间都存在较高的线性正相关。

Under drought stress osmanthus chlorophyll fluorescence properties photosynthetic characteristics and is highly part index linear correlation between WUE and other indicators , except for the present negative correlation between , other indicators have higher linear positive correlation .

结果显示，10MHz石英晶体DNA传感器的杂交灵敏度为10ng/ml，在5～40ng/ml的浓度范围内，响应信号与检测浓度之间具有良好的线性相关性，其特异性也比较高。

The hybridization sensitivity of quartz crystal DNA biosensor is 10ng / ml. In the range of 5 ~ 40ng / ml , there was a linear correlation between responding signals and concentrations of complementary single strand DNA with a high specificity .

与其他数学分支相比，拟阵理论的历史并不悠久，它是在1935年Whitney分析了向量的线性相关性的抽象性质后建立的。

Abstract : Matroid theory is not an branch with a long history in comparison with other mathematical branches . In 1935 , Whitney analyzed abstract properties of linear dependence of vectors , and established the concepts of matroids .

IgA肾病中医辨证分型与现代理化指标线性相关性分析及回归分析可看出IgA肾病中医5个类证候分别与不同的西医临床理化指标具有相关性，且与肾穿病理情况密切联系。

Results of the correlation between differentiation of symptoms and signs for classification of syndrome and modern laboratory results in IgA nephropathy . It shows 5 groups of TCM syndromes are respectively correlated with different laboratory results , and closely contact with the condition of pathology of kidney puncture .

实验结果表明，基于最小iBGP跳数的方法能够切断网络元素的线性相关性，从而达到收敛，保证了域间路由信息在AS内部传递时的路由稳定性。

Experimental results show that this method which based on minimal hop can cut off the relativity of linear relativity between network elements , achieve the goal of convergence , and ensure the routing stability when domain route information is propagate .

新型除臭剂与活性炭联合投加去除水体异臭味不同水胶比、浆体体积含量以及复掺硅灰与磨细矿渣粉混凝土的ARH变化与相应的AS大小均具有非常显著的线性相关性。

Combined Addition of New Deodorant and Powdered Activated Carbon for Removing Undesirable Odor from Water Body There is significant linear correlation between ARH change and AS of concrete with different w / cm , paste volume content and the combined addition of SF and GBFS .

通过进一步的分析，揭示了混凝土抗压强度与灰水比和骨料压碎指标之间良好线性相关性，并建立起天然与再生骨料混凝土的Bolomey统一公式。

Through further analysis , it is found that a good linear correlation between the compressive strength of concrete and the cement-to-water ratio and the crushing value of aggregate exists and a unified Bolomey 's formula is established for concrete made with both natural and recycled aggregate .

关于向量组的线性相关性的若干反例

On the several counter - examples of linear interrelationship of vector group

涡轮泵振动参数与统计特征量的线性相关性分析

Linear correlation analysis of turbopump vibration parameters and statistical features

双向有序列联表资料线性相关性分析

Linear correlation analysis for data of two-way ordered contingency table

向量线性相关性同数域的关系

The Relations of Linearly Dependency of System of Vectors with Number Fields

向量组的线性相关性的等价条件及其应用

Equivalent Conditions and Use of Linear Relation of Vector Group