Results 1 to 10 of about 666,240 (259)

The η-Anti-Hermitian Solution to a System of Constrained Matrix Equations over the Generalized Segre Quaternion Algebra

open access: yesSymmetry, 2023
In this paper, we propose three real representations of a generalized Segre quaternion matrix. We establish necessary and sufficient conditions for the existence of the η-anti-Hermitian solution to a system of constrained matrix equations over the ...
Bai-Ying Ren   +2 more
semanticscholar   +3 more sources

Pose consensus based on dual quaternion algebra with application to decentralized formation control of mobile manipulators [PDF]

open access: yesJournal of the Franklin Institute, 2019
This paper presents a solution based on dual quaternion algebra to the general problem of pose (i.e., position and orientation) consensus for systems composed of multiple rigid-bodies.
Adorno, Bruno V.   +3 more
core   +2 more sources

Consimilarity and quaternion matrix equations AX −^X B = C, X − A^X B = C

open access: yesSpecial Matrices, 2014
L. Huang [Consimilarity of quaternion matrices and complex matrices, Linear Algebra Appl. 331(2001) 21–30] gave a canonical form of a quaternion matrix with respect to consimilarity transformationsA ↦ ˜S−1AS in which S is a nonsingular quaternion matrix ...
Klimchuk Tatiana, Sergeichuk Vladimir V.
doaj   +3 more sources

A Survey on Quaternion Algebra and Geometric Algebra Applications in Engineering and Computer Science 1995–2020

open access: yesIEEE Access, 2021
Geometric Algebra (GA) has proven to be an advanced language for mathematics, physics, computer science, and engineering. This review presents a comprehensive study of works on Quaternion Algebra and GA applications in computer science and engineering ...
E. Bayro-Corrochano
semanticscholar   +3 more sources

A novel color images security-based on SPN over the residue classes of quaternion integers $$\:\varvec{H}{\left(\mathbb{Z}\right)}_{\varvec{\pi\:}}$$ [PDF]

open access: yesScientific Reports
The exponential growth of multimedia data transmission has intensified the demand for advanced image encryption systems capable of resisting contemporary cryptanalytic attacks while maintaining computational efficiency.
Muhammad Sajjad, Nawaf A. Alqwaifly
doaj   +2 more sources

Characteristic of Quaternion Algebra Over Fields

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2023
Quaternion is an extension of the complex number system. Quaternion are discovered by formulating 4 points in 4-dimensional vector space using the cross product between two standard vectors. Quaternion algebra over a field is a 4-dimensional vector space
Muhammad Faldiyan   +2 more
doaj   +1 more source

RSVD for Three Quaternion Tensors with Applications in Color Video Watermark Processing

open access: yesAxioms, 2023
In this paper, we study the restricted singular-value decomposition (RSVD) for three quaternion tensors under the Einstein product, and give higher-order RSVD over the quaternion algebra, which can achieve simultaneous singular value decomposition of ...
Wen-Juan Chen, Shao-Wen Yu
doaj   +1 more source

Quaternion and Split Quaternion Neural Networks for Low-Light Color Image Enhancement

open access: yesIEEE Access, 2023
In this study, two models of multilayer quaternionic feedforward neural networks are presented. Whereas the first model is based on quaternion algebra, the second model uses split quaternion algebra.
Eduardo Jesus De Davila-Meza   +1 more
doaj   +1 more source

Dynamics of Mobile Manipulators using Dual Quaternion Algebra [PDF]

open access: yesJournal of Mechanisms and Robotics, 2020
This paper presents two approaches to obtain the dynamical equations of mobile manipulators using dual quaternion algebra. The first one is based on a general recursive Newton-Euler formulation and uses twists and wrenches, which are propagated through
F. F. A. Silva   +2 more
semanticscholar   +1 more source

One-dimensional quaternion Laplace transform: Properties and its application to quaternion-valued differential equations

open access: yesPartial Differential Equations in Applied Mathematics, 2023
This paper is devoted to the study of the quaternion Laplace transform, which is a natural generalization of the classical Laplace transform using the quaternion algebra. We find that some of its properties such as derivative, convolution and correlation
Muhammad Afdal Bau   +4 more
doaj   +1 more source

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