Geometric Algebra for Electrical Engineers
Geometric Algebra for Electrical Engineers
About the Book
The multivector of geometric algebra extends vector algebra, providing a representation of points, directed line, plane, and volume segments.
Maxwell's equation in its multivector form is a compact and simple theoretical starting point for electromagnetic analysis.
This book details how geometric algebra may be applied to electromagnetic analysis and provides all of the prerequisite concepts and theory required to do so.
This book is suitable for students with an advanced undergraduate electrical engineering or physics background and aims to make the subject more accessible than the available research material.
About the Author
Table of Contents
Copyright
Document Version
Dedication
Preface
Contents
List of Figures
1 Geometric Algebra.
1.1 Prerequisites.
1.1.1 Vector.
1.1.2 Vector space.
1.1.3 Basis, span and dimension.
1.1.4 Standard basis, length and normality.
1.2 Multivectors.
1.3 Colinear vectors.
1.4 Othogonal vectors.
1.5 Some nomenclature.
1.6 Two dimensions.
1.7 Plane rotations.
1.8 Duality.
1.9 Vector product, dot product and wedge product.
1.10 Reverse.
1.11 Complex representations.
1.12 Multivector dot product.
1.12.1 Dot product of a vector and bivector
1.12.2 Bivector dot product.
1.12.3 Problems.
1.13 Permutation within scalar selection.
1.14 Multivector wedge product.
1.14.1 Problems.
1.15 Projection and rejection.
1.16 Normal factorization of the wedge product.
1.17 The wedge product as an oriented area.
1.18 General rotation.
1.19 Symmetric and antisymmetric vector sums.
1.20 Reflection.
1.21 Linear systems.
1.22 A summary comparision.
1.23 Problem solutions.
2 Multivector calculus.
2.1 Reciprocal frames.
2.1.1 Motivation and definition.
2.1.2 R2 reciprocal frame.
2.1.3 R3 reciprocal frame.
2.1.4 Problems.
2.2 Curvilinear coordinates.
2.2.1 Two parameters.
2.2.2 Three (or more) parameters.
2.2.3 Gradient.
2.2.4 Vector derivative.
2.2.5 Examples.
2.2.6 Problems.
2.3 Integration theory.
2.3.1 Line integral.
2.3.2 Surface integral.
2.3.3 Volume integral.
2.3.4 Bidirectional derivative operators.
2.3.5 Fundamental theorem.
2.3.6 Stokes' theorem.
2.3.7 Fundamental theorem for Line integral.
2.3.8 Fundamental theorem for Surface integral.
2.3.9 Fundamental theorem for Volume integral.
2.4 Multivector Fourier transform and phasors.
2.5 Green's functions.
2.5.1 Motivation.
2.5.2 Green's function solutions.
2.5.3 Helmholtz equation.
2.5.4 First order Helmholtz equation.
2.5.5 Spacetime gradient.
2.6 Helmholtz theorem.
2.7 Problem solutions.
3 Electromagnetism.
3.1 Conventional formulation.
3.1.1 Problems.
3.2 Maxwell's equation.
3.3 Wave equation and continuity.
3.4 Plane waves.
3.5 Statics.
3.5.1 Inverting the Maxwell statics equation.
3.5.2 Enclosed charge.
3.5.3 Enclosed current.
3.5.4 Example field calculations.
3.6 Dynamics.
3.6.1 Inverting Maxwell's equation.
3.7 Energy and momentum.
3.7.1 Field energy and momentum density and the energy momentum tensor.
3.7.2 Poynting's theorem (prerequisites.)
3.7.3 Poynting theorem.
3.7.4 Examples: Some static fields.
3.7.5 Complex energy and power.
3.8 Lorentz force.
3.8.1 Statement.
3.8.2 Constant magnetic field.
3.9 Polarization.
3.9.1 Phasor representation.
3.9.2 Transverse plane pseudoscalar.
3.9.3 Pseudoscalar imaginary.
3.10 Transverse fields in a waveguide.
3.11 Multivector potential.
3.11.1 Definition.
3.11.2 Gauge transformations.
3.11.3 Far field.
3.12 Dielectric and magnetic media.
3.12.1 Statement.
3.12.2 Alternative form.
3.12.3 Gauge like transformations.
3.12.4 Boundary value conditions.
A Distribution theorems.
B Proof sketch for the fundamental theorem of geometric calculus.
C Green's functions.
C.1 Helmholtz operator.
C.2 Delta function derivatives.
D Energy momentum tensor for vector parameters.
Index
Bibliography
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