• 一部分结果论证建立矩阵的理论基础上。

    Those main proofs of this part are based on nonnegative.

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  • 提出一种带有正则约束的非矩阵分解算法(RCNMF)。

    An algorithm with regularization constrains for nonnegative matrix factorization (RCNMF) is proposed.

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  • 矩阵分解具有非局部性的特点一种新型特征提取方法

    Non-negative matrix factorization has non-negative and local characteristics, and it is a new feature extraction method.

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  • 负矩阵分解算法简单易于实现,并且具有降维、收敛稀疏特性

    Moreover, NMF algorithm is simple and easy to implement and it has features such as dimension-lowering and sparse convergence.

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  • 本文主要是论述稀疏矩阵分解算法矿产资源定量预测中的应用研究

    In this article, the sparse non-negative matrix factorization algorithm is applied to quantitative predict the mineral resources.

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  • 著名结果一个矩阵最大特征值它的最小最大行和之间

    One of well-known results is that the greatest eigenvalue of a nonnegative matrix lies between the smallest and the largest row sum.

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  • 负矩阵分解过程中,适当选取特征空间维数能够获得原始数据的局部特征。

    The local feature based representation could be obtained by choosing suitable dimension of the feature subspace in NMF.

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  • 本文借助于非矩阵分解算法提出一种基于因子分析模糊文本聚类方法

    Inspired by the nonnegative matrix factorization algorithm, we put forward an fuzzy text clustering method based on nonnegative factor analysis.

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  • 摘要矩阵分解方法基于局部特征特征提取方法已经成功用于人脸识别

    Absrtact: Non - negative matrix factorization (NMF) is a method of parts - based feature extraction, it has been already applied to face recognition successfully.

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  • 特征提取环节,提出CSVD算法矩阵因子算法特征数据相融合的人脸识别算法。

    And in the feature extraction process, a new face recognition method based on CSVD and non Negative Matrix Factorization (NMF) is presented.

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  • 其次第二中,我们讨论一个矩阵分解有限多个完全不可分非乘积问题

    Secondly, we discuss the problem of decomposing a nonnegative matrix into a product of fully indecomposable nonnegative matrices in chapter 2.

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  • 实验结果表明提出的两特征提取方法识别率方面整体上好负矩阵分解特征提取(NMF)方法。

    The experimental results on Olivetti Research Laboratory (ORL) face database and YALE face database show that the new methods are better than original NMF in terms of recognition rate.

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  • 本文矩阵最小示性进行了研究,证明了一个矩阵最小示性数等于对应矩阵半径

    It is proved in this paper that the minimal characterizing number of a matrix is equal to the spectral radius of the corresponding non-negative matrix.

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  • 矩阵分解NMF要求分解得到矩阵限制欠定分离UBSS)中的应用

    The decomposed left matrix of Non-negative Matrix Factorization (NMF) is required to be full column rank, which limits of its application to Underdetermined Blind Source Separation (UBSS).

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  • 目的研究矩阵因子分解算法(NMF)用于手性药物HPLC - DAD二维数据解析可行性及其影响因素

    Aim: to study the feasibility and influential factors for the resolution of HPLC-DAD data of chiral drugs by non-negative matrix factorization (NMF) algorithm.

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  • 竞赛矩阵竞赛图由于具有固定向量和向量负矩阵类的计数,组合数学的一个非常困难问题,因此具有固定得分向量的竞赛矩阵的计数问题比较困难。

    But it is very difficult to compute the number of non-negative matrix with fixed score row or column vectors, so to compute the number of tournament matrix with fixed score vector is also difficult.

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  • 这个矩阵中,516,假为710。

    The false positives are 516, and the false negatives are 710 in this matrix.

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  • 电磁理论出发导出了光材料周期性结构传输矩阵

    Based on electromagnetic theories, the expression of transfer matrix of periodical structure formed by single-negative materials is deduced.

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  • 作为本文主要结果关于交换矩阵正点定理,零点定理点定理被建立。

    As the main results, it gives a Positivstellensatz, a Nullstellensatz and a Nichtnegativstellensatz for matrices over a commutative ring.

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  • 数值算例说明指数稳定矩阵条件控制器设计方法可行的。

    Numerical examples show that the negative semi-definite matrix condition of exponential stability and the controller design method are feasible.

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  • 刻画了在因子交换环上保持可逆矩阵线性算子

    The linear operators that strongly preserve invertible matrices over some antinegative commutative semirings with no zero divisors were characterized.

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  • 利用转移矩阵研究了折射率材料一维光子晶体掺杂后滤波性质

    The filtering properties of doped one-dimensional photonic crystal containing negative refractive index material are studied by using transfer matrix method.

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  • 利用传输矩阵方法研究了折射率缺陷一维光子晶体的透射谱。

    The transmission through one-dimensional photonic crystal with negative refractive index defects was studied by using transfer matrix method.

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  • 首先运用对称分量将单相异步电动机分为正序系统序系统,然后分别矩阵分析两个系统各自的有功功率、无功功率和视在功率。

    Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.

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  • 利用转移矩阵方法研究了缺陷一维光子晶体耦合透射谱。

    The transmission through one-dimensional photonic crystal coupled-resonator containing defect layers with negative refractive index is studied by using transfer matrix method.

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  • 刻画零因子交换环上强保持可逆矩阵线性算子。

    Then T is an invertible linear operator preserving rank - partial ordering on Sn(F) if and only if there exists an invertible matrix (F) such that where .

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  • 讨论L-矩阵广义B-D代数扰动问题,并给出了它的代数扰动表达式

    In this paper, the algebraic perturbation theory of generalized B-D Inverse of L-nonnegative definite matrix is discussed. and the expressions of the algebraic perturbation are presented.

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  • 利用转移矩阵方法研究了介电常数材料磁导率材料组成双层共轭结构共振隧穿问题

    The resonance and tunneling problem of pairing conjugate structure consisting of negative permittivity and negative permeability materials were studied by using transfer matrix methods.

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  • 笔者已有研究成果基础上,混凝土结构鳖体刚度矩阵引起求解困难提出了相应的解决方案

    In previous researches, the attentions were mostly paid to the local negative stiffness caused by concrete crack, and in this case the global stiffness matrix was rarely negative.

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  • 利用传输矩阵方法研究了多个周期性分布折射率缺陷一维光子晶体的透射谱。

    The transmission through one-dimensional photonic crystals with a number of negative refractive index structural defects are studied by using transfer-matrix-method.

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