نتایج جستجو برای: matrix norm

تعداد نتایج: 402509  

Journal: :bulletin of the iranian mathematical society 2013
j. cai

in this paper, an iterative method is proposed for solving the matrix inverse problem $ax=b$ for hermitian-generalized hamiltonian matrices with a submatrix constraint. by this iterative method, for any initial matrix $a_0$, a solution $a^*$ can be obtained in finite iteration steps in the absence of roundoff errors, and the solution with least norm can be obtained by choosing a special kind of...

Journal: :journal of mathematical modeling 0
saeed karimi

in this paper, an iterative method is proposed for solving matrix equation $sum_{j=1}^s a_jx_jb_j = e$. this method is based on the global least squares (gl-lsqr) method for solving the linear system of equations with the multiple right hand sides. for applying the gl-lsqr algorithm to solve the above matrix equation, a new linear operator, its adjoint and a new inner product are de ned. it is ...

Journal: :The Annals of Mathematical Statistics 1947

2014
Hanjiang Lai Yan Pan Canyi Lu Yong Tang Shuicheng Yan

In this paper, we study the k-support norm regularized matrix pursuit problem, which is regarded as the core formulation for several popular computer vision tasks. The k-support matrix norm, a convex relaxation of the matrix sparsity combined with the 2-norm penalty, generalizes the recently proposed ksupport vector norm. The contributions of this work are two-fold. First, the proposed k-suppor...

Journal: :Mathematical Inequalities & Applications 2004

Journal: :Progress of Theoretical Physics 1979

Journal: :Linear Algebra and its Applications 1969

Journal: :Linear Algebra and its Applications 2016

Journal: :iranian journal of science and technology transactions of electrical engineering 2015
g. khademi h. mohammadi m. dehghani

model order reduction is known as the problem of minimizing the -norm of the difference between the transfer function of the original system and the reduced one. in many papers, linear matrix inequality (lmi) approach is utilized to address the minimization problem. this paper deals with defining an extra matrix inequality constraint to guarantee that the minimum phase characteristic of the sys...

ژورنال: پژوهش های ریاضی 2021

Nonnegative Matrix Factorization is a new approach to reduce data dimensions. In this method, by applying the nonnegativity of the matrix data, the matrix is ​​decomposed into components that are more interrelated and divide the data into sections where the data in these sections have a specific relationship. In this paper, we use the nonnegative matrix factorization to decompose the user ratin...

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