نتایج جستجو برای: virtual matrix method

تعداد نتایج: 2036818  

Journal: :journal of linear and topological algebra (jlta) 2015
z sadati kh maleknejad

this paper introduces a numerical method for solving the vasicek model by using a stochastic operational matrix based on the triangular functions (tfs) in combination with the collocation method. the method is stated by using conversion the vasicek model to a stochastic nonlinear system of $2m+2$ equations and $2m+2$ unknowns. finally, the error analysis and some numerical examples are provided...

2012
Nicholas J. Higham Pythagoras Papadimitriou

A new method is described for computing the singular value decomposition (SVD). It begins by computing the polar decomposition and then computes the spectral decomposition of the Hermitian polar factor. The method is particularly attractive for shared memory parallel computers with a relatively small number of processors, because the polar decomposition can be computed efficiently on such machi...

2015
Nicholas J. Higham Pythagoras Papadimitriou

A new method is described for computing the singular value decomposition (SVD). It begins by computing the polar decomposition and then computes the spectral decomposition of the Hermitian polar factor. The method is particularly attractive for shared memory parallel computers with a relatively small number of processors, because the polar decomposition can be computed efficiently on such machi...

2002
Peter Sestoft

Modern bytecode execution environments with optimizing just-in-time compilers, such as Sun’s Hotspot Java Virtual Machine, IBM’s Java Virtual Machine, and Microsoft’s Common Language Runtime, provide an infrastructure for generating fast code at runtime. Such runtime code generation can be used for efficient implementation of parametrized algorithms. More generally, with runtime code generation...

 The main purpose of this study was to provide a model for the expectations and priorities of human resources in National Iranian Oil Company by QFD for quality engineering of welfare system. The research method was qualitative and quantitative. At first, welfare indices were extracted from Delphi method and interviews with experts (n = 15) and then these indices were matched with the needs of ...

Background and Purpose: Given the Covid-19 and immediate investment in providing virtual university education, it is important to measure the performance of faculty members in this area. Accordingly, this study was conducted to design and psychometrics of a questionnaire to assess the performance of faculty members in providing virtual training. Material and Methods: A descriptive study of ins...

A previously introduced two phase model was used to assess its capability in predicting the behavior of reinforced soil walls under working stress conditions. The two phase model is a homogenization method based on the virtual work theorem. The reinforced soil medium is considered as the superposition of two continuous phases, the reinforcement and matrix phases that interact within the medium....

1999
W. Thomas Pollard

The solution of the Hartree-Fock equations involves the iterative construction of the Fock matrix based on approximate molecular orbit& and the diagonal&&ion of that Fock matrix to obtain new approximations to those orbitals. A significant portion of this work is unnecessary, however, because the occupied molecular orbitals, which are required to construct the Fock matrix, represent a small fra...

2007
Sachiko Isobe Akihiro Nakaya Satoshi Tabata

In order to reveal quantitative trait loci (QTL) interactions and the relationship between various interactions in complex traits, we have developed a new QTL mapping approach, named genotype matrix mapping (GMM), which searches for QTL interactions in genetic variation. The central approach in GMM is the following. (1) Each tested marker is given a virtual matrix, named a genotype matrix (GM),...

Journal: :ESAIM: Mathematical Modelling and Numerical Analysis 2016

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