Numerical Analysis. Complex numbers. Chung-Ang University, Jaesung Lee
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1 Numerical Analysis Complex numbers Chung-Ang University, Jaesung Lee
2 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 2
3 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 3
4 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 4
5 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 5
6 What is a Complex Number? Real part Imaginary part Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 6
7 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 7
8 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 8
9 What is a Complex Number? Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 9
10 What is a Complex Number? Complex conjugate a b Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 10
11 The Algebra of Complex Numbers Addition and subtraction of complex numbers Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 11
12 The Algebra of Complex Numbers Multiplying one complex number by another Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 12
13 The Algebra of Complex Numbers Multiplying one complex number by another Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 13
14 The Algebra of Complex Numbers Dividing one complex number by another Cartesian form Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 14
15 The Algebra of Complex Numbers Dividing one complex number by another Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 15
16 Solutions of Polynomial Equations Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 16
17 Solutions of Polynomial Equations Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 17
18 Argand Diagrams and the Polar Form The Argand Diagram Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 18
19 Argand Diagrams and the Polar Form The Argand Diagram Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 19
20 Argand Diagrams and the Polar Form The Polar Form of a Complex Number Polar coordinates Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 20
21 Argand Diagrams and the Polar Form The Polar Form of a Complex Number Multiplication and division using polar coordinates Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 21
22 Argand Diagrams and the Polar Form The Polar Form of a Complex Number Multiplication and division using polar coordinates Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 22
23 Argand Diagrams and the Polar Form The Polar Form of a Complex Number Complex numbers and rotations Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 23
24 The Exponential Form of a Complex Number Series Expansions for Exponential and Trigonometric Functions a b Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 24
25 The Exponential Form of a Complex Number The Exponential Form a b c Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 25
26 The Exponential Form of a Complex Number Hyperbolic and Trigonometric Functions a b c Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 26
27 De Moivre s Theorem Introduction Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 27
28 De Moivre s Theorem Introduction Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 28
29 De Moivre s Theorem De Moivre s Theorem and Root Finding Arg( ) revisited Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 29
30 De Moivre s Theorem De Moivre s Theorem and Root Finding Arg( ) revisited Numerical Analysis / Chung-Ang University / Professor Jaesung Lee 30