negative matrix
英 [ˈneɡətɪv ˈmeɪtrɪks]
美 [ˈneɡətɪv ˈmeɪtrɪks]
网络 负矩阵
双语例句
- Second, educating the public about the importance of reducing the negative impacts of what landscape ecologists call "the matrix"– which includes all the developed landscapes outside the reserves.
第二种方式：教育公众，使其认识到降低景观生态学家所说的“矩阵”的负面效应的重要性。“矩阵”包括保护区之外所有被开发的景观。 - If Cholesky decomposition can not work ( matrix has negative eigenvalues), Spectral decomposition can still obtain a matrix that is able to measures the simulation results not matter good or bad.
而当Cholesky分解不能执行时（矩阵有负的eigenvalue），Spectral分解可以获得模拟所需的矩阵，也可以清楚的衡量出模拟结果的好坏。 - Then a new sufficient condition in the form of a negative definite matrix which guarantees the existence of the state feedback H ∞ control for the T S fuzzy systems is proposed. The conditions not only are simple but also consider the interactions among the subsystems.
然后给出了相应的H∞控制存在的一个新的充分条件，其条件用一个负定矩阵的形式给出，不但简洁而且包含了子系统之间的相互作用。 - A Algorithm for Distinguishing a Real Symmetric Matrix into a Positive ( Semi-) Definite, Negative ( Semi-) Definite or Non-definite Matrix
判断实对称矩阵为正定、半正定、负定、半负定或不定的一个算法 - Computing Method of Negative Power Matrix Polynomial
矩阵负指数多项式的计算方法 - Sialon fines have slightly negative effect on the matrix rheology, which can be offset by using the effective dispersant.
Sialon的引入对基质的流变性略有负面影响。 - Since the PFZ and Γ_ 1 phase had more negative open-circuit potentials than the Al matrix, they could act as anodes in corrosive media and be dissolved preferentially. This might account for the intergranular and exfoliation corrosion of the titled alloy.
由于合金中Γ1相和PFZ的开路电位都比铝基体低，在腐蚀过程中作为阳极相优先溶解，从而引起合金晶间腐蚀和剥落腐蚀。 - Schur Complement and Partitioned Reduced Order Criterion of Partial Negative Matrix
偏负矩阵的Schur补及分块降阶判定 - Two inequalities on non-negative matrix
非负矩阵元素和的两个不等式 - Analysis of Amplifying Circuits with Negative Feedback Using Node Admittance Matrix Method
用节点导纳矩阵分析负反馈放大电路 - As the system matrix A is a Hurwitz matrix rather than a negative matrix measure, a new criterion of stability is obtained.
根据谱半径相关理论，通过频域法，在只要求系统矩阵A为Hurwitz矩阵的条件下，得到了线性不确定多时滞系统的稳定性新判据。 - Number of Negative Elements in a Category of Matrix
一类矩阵中负元素的个数 - The electrochemical results show that preferential corrosion on weld seam occurs with larger corrosion current density and the corrosion potential of weld seam is more negative than that of matrix material.
从电化学行为分析，焊缝区腐蚀电流密度大于母材，母材腐蚀电位高于焊缝区，说明焊缝发生优先腐蚀。 - Information Retrieving Based on Non-Negative Matrix Factorization
基于非负矩阵分解的信息获取方法研究 - The effects of matrix and negative ion are proposed. Matrix ( Fe, Al, Ca, Mg, K and Na) brings enhanced effects of different extent to the spectrum of the element Li.
讨论了基体效应和阴离子效应、基体（Fe、Al、Ca、Mg、K和Na）对Li元素谱线产生不同程度的增强效应。 - Local Non-Negative Matrix Factorization Based Face Recognition
基于LNMF分解的人脸识别 - A distance inequality for a non directed graph and its application in non negative matrix theory
无向图的一个距离不等式及其在非负矩阵上的应用 - Text Clustering Method Based on Non-negative Matrix Factorization
基于NMF的文本聚类方法 - Results COX-2 expression in pilosebaceous unit of adult rat showed strongly positive at sebaceous gland, positive in bulge region and negative in hair matrix.
结果成年大鼠毛囊皮脂腺单位中，bulge（隆突）区弱表达，皮脂腺高表达，而毛球部未见表达。 - Utilizing the statistical information in a local window of the image, each pixel is classified roughly to be signal pixel, possible positive noise pixel and possible negative noise pixel, and the noise labeling matrix is built.
利用局部统计信息，首先将图像像素点粗分为信号点、可能的正噪声点和可能的负噪声点3类，建立噪声标矩阵； - The effect of positive segregation element Mn and negative segregation element Si on matrix microhardness distribution of grey cast iron have been investigated.
研究了正偏析元素Mn和反偏析元素Si对铸铁基体显微硬度分布的影响。 - Some theorems for the determination of stability of linear system with the sys-tem matrix are presented. The relation between stability and the generalized negative definiteness of the system matrix is analytically discussed.
提出了从系统矩阵直接分析线性定常系统稳定性的几个定理，把系统稳定性同系统矩阵的广义负定性联系起来，并进行了分析讨论； - In this paper, we study theoretically the relation of the negative index and defect modes in the one-dimensional photonic crystals ( PCs) containing a negative refractive index material defect layer by using transfer matrix method.
通过数值模拟和理论分析含特异材料缺陷层一维光子晶体中特异材料折射率与缺陷模式的关系，从而发现调节特异材料折射率可以得到不同状态的振荡透射模。 - The numerical range of non-negative matrix
非负矩阵的数值域 - A negative matrix refers to the matrix in which all the elements are either negative or zero.
元素全是非正实数的矩阵A称为负矩阵。 - A Necessary and Sufficient Condition of Non-negative Definite Matrix
非负定矩阵的一个必要充分条件 - In the feature extraction process, a new face recognition method based on CSVD and non negative matrix factorization ( NMF) is presented.
在人脸识别特征提取环节，提出了CSVD算法与非负矩阵因子（NMF）算法特征数据相融合的人脸识别算法。 - The experiment concludes that seawater environment has negative effects on the strength of soil-cement matrix and slag cement can against seawater erosion.
试验结果表明：（1）海水环境对水泥土后期强度存在明显的负面影响，且矿渣硅酸盐水泥具有抗海水侵蚀的作用。 - The existence of water vapor, on the one hand, has somewhat lubrication, on the other hand, could produce a negative impact to the matrix structure because of the water absorbance of semi-crystallines in the matrix and the fillers.
水汽的存在，一方面存在一定的润滑作用，另一方面，基体半晶区以及填料的吸水会对基体结构产生不利影响。 - Non negative matrix factorization algorithm is a kind of high order matrix dimensionality reduction method, has a simple, interpretable advantages, which can keep the NMF algorithm is applied to the matrix dimensionality reduction.
而非负矩阵分解算法是一种对高维矩阵进行降维的方法，具有实现简单、可解释性强等优点，从而可以把NMF算法应用到矩阵降维中。