Complex Numbers - Mathematical Methods (Undergraduate Advanced)
75
34 hrs
[OAU, Ife] MTH 202: Mathematical Methods IIComprehensive treatise of advanced mathematics covering vector calculus, complex numbers, linear vector spaces, linear maps, matrices, eigenvalues and eigenvectors.
Curated for second-year students of engineering and physical sciences at Obafemi Awolowo University, Ile-Ife, Nigeria. Students and professionals with similar learning goal will also find this learning track useful.
Comprehensive treatise of advanced mathematics covering vector calculus, complex numbers, linear vector spaces, linear maps, matrices, eigenvalues and eigenvectors. Curated for second-year students of engineering and physical sciences at Obafemi Awolowo University, Ile-Ife, Nigeria. Students and professionals with similar learning goal will also find this learning track useful.
[EKSU, Ado-Ekiti] ENG 282: Engineering Mathematics IIComprehensive treatise of advanced mathematics, covering complex numbers, partial differentiation, laplace transforms, and fourier series.
Curated for second-year students of engineering and physical sciences at Ekiti State University, Ado-Ekiti, Nigeria.
Other students and professionals with similar learning goals will also find this useful.
Comprehensive treatise of advanced mathematics, covering complex numbers, partial differentiation, laplace transforms, and fourier series. Curated for second-year students of engineering and physical sciences at Ekiti State University, Ado-Ekiti, Nigeria. Other students and professionals with similar learning goals will also find this useful.
Course Chapters
1. Introduction41
Natural numbers, integers, rational numbers, real numbers, and an introduction to complex numbers and their descriptions.
Chapter lessons
2. Algebra of Complex Numbers63
Operations on complex numbers; conjugates of complex numbers and their properties; equality of complex numbers.
Chapter lessons
2-2. Multiplication19:56
2-4. Division25:10
3. Complex Numbers on the Argand Plane42
Geometric representation of complex numbers on the Argand plane; modulus of a complex number; general and principal arguments of a complex number.
Chapter lessons
4. Polar Form52
Polar representation of complex numbers; multiplication and division of complex numbers in polar form; powers of complex numbers in polar form (De-Moivre's theorem).
Chapter lessons
4-1. Representation7:18
Representation of a complex number in polar coordinates.
4-2. Multiplication14:39
Multiplication of complex numbers in polar form.
4-3. Division13:26
Division of complex numbers in polar form.
4-4. Powers18:00
Powers of complex numbers in polar form and an introduction to De-Moivre's theorem.
4-5. De-Moivre's theorem22:14
Statement and proof of De-Moivre's theorem.
5. Roots44
Equality and roots of complex numbers in polar form.
Chapter lessons
5-1. Equality15:04
Equality of complex numbers in polar form.
5-2. Roots17:58
How to find all roots of complex numbers.
5-3. Rational powers5:33
How to find rational powers of complex numbers.
5-4. Nth roots of unity1:25:05
Properties of the nth roots of unity.
6. Exponential Form33
Exponential (Euler's) representation of complex numbers; powers of complex numbers in exponential form.
Chapter lessons
6-1. Taylor's series30:10
Review of Taylor's series expansion of sine, cosine and exponential functions.
6-2. Representation13:50
The Eulerian representation of a complex number.
6-3. Multiplication, division and powers11:21
Multiplication, division and powers of complex numbers in exponential form.
7. Trigonometric Functions24
Manipulating sines and cosines with complex numbers.
Chapter lessons
7-1. Expressions (1)27:14
Expressions for Sine and Cosine functions and their powers using complex numbers in polar and exponential forms.
7-2. Expressions (2)11:24
Expressions for Sine and Cosine functions and their powers using complex numbers in polar and exponential forms.
8. Hyperbolic Functions11
Manipulating hyperbolic functions with complex numbers.
Chapter lessons
8-1. Expressions21:29
Expressions for hyperbolic Sine and Cosine using complex numbers.
9. Logarithmic Functions11
Manipulating logarithms with complex numbers.
Chapter lessons
9-1. Expression22:29
General expression for logarithms of complex numbers.
10. Graphing on the Complex Plane13
Equations in two-dimensional coordinate geometry using complex numbers.
Chapter lessons
10-1. Some general equations19:11
General equations of circles and ellipses on the complex plane.