Results 21 to 30 of about 4,625 (266)

Signal flow graph and control of realizable autonomous nonlinear Chen model with quaternion variables

open access: yesAlexandria Engineering Journal, 2020
In this work, we continue our study of autonomous nonlinear dynamical systems with quaternion variables. We present a novel chaotic Chen system with quaternion variables. This system in real form is high (nine) dimensional.
Emad E. Mahmoud   +2 more
doaj   +1 more source

ELEMENTS OF QUATERNIONS

open access: yesScience, 1881
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Hardy, A. S., Christie, A. S.
openaire   +2 more sources

QUATERNIONIC COUPLING [PDF]

open access: yesInternational Journal of Pure and Apllied Mathematics, 2014
Physics is in its development a major challenge to relate fields, this paper presents a proposal to relate classical fields of physics, ie the electric field, magnetic field and gravitational equations by time-dependent. The proposal begins with the work that determines the Cauchy-Riemann conditions for quaternions [1], and the determination of Laplace’
Marão, José Antonio Pires   +1 more
openaire   +3 more sources

Predicting Rigid Body Dynamics Using Dual Quaternion Recurrent Neural Networks With Quaternion Attention

open access: yesIEEE Access, 2022
We propose a novel neural network architecture based on dual quaternions which allow for a compact representation of information with a main focus on describing rigid body movements.
Johannes Poppelbaum, Andreas Schwung
doaj   +1 more source

Field Equations in the Complex Quaternion Spaces

open access: yesAdvances in Mathematical Physics, 2014
The paper aims to adopt the complex quaternion and octonion to formulate the field equations for electromagnetic and gravitational fields. Applying the octonionic representation enables one single definition to combine some physics contents of two fields,
Zi-Hua Weng
doaj   +1 more source

Quaternion Approach to the Measurement of the Local Birefringence Distribution in Optical Fibers

open access: yesIEEE Photonics Journal, 2015
A method to structure the Jones quaternion utilizing Pauli matrices is proposed, improving the quaternion theory of polarization optics. It is proved that the Stokes quaternion is the double product of the Jones quaternion and its Hermitian transpose and
Lanlan Liu   +4 more
doaj   +1 more source

Rotacija z enotskim kvaternionom ( = Rotation with unit quaternion) [PDF]

open access: yesGeodetski Vestnik, 2014
A quaternion is a hyper-complex number. A rule for quaternion multiplications allows us to use it as a rotation in three-dimensional space. The aim of this article is to present quaternion rotations to the Slovene professional geodetic public ...
Klemen Kregar   +2 more
doaj   +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

Quaternion lattices and quaternion fields

open access: yesArchiv der Mathematik, 2023
AbstractLet $$Q_8$$ Q 8 be the quaternion group of order 8 and $${\chi }$$ χ its faithful irreducible character. Then $${\chi }$$ χ can be realized over certain imaginary quadratic number ...
openaire   +2 more sources

On Fibonacci Quaternions [PDF]

open access: yesAdvances in Applied Clifford Algebras, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Matematik Bölümü   +1 more
openaire   +3 more sources

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