Introduction to Complex Numbers

Introduction to Complex Numbers

Eddie Woo via YouTube Direct link

Complex Numbers as Points (3 of 4: Geometric Meaning of Multiplication)

33 of 39

33 of 39

Complex Numbers as Points (3 of 4: Geometric Meaning of Multiplication)

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Classroom Contents

Introduction to Complex Numbers

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  1. 1 Why Complex Numbers? (1 of 5: Atoms & Strings)
  2. 2 Why Complex Numbers? (2 of 5: Impossible Roots)
  3. 3 Why Complex Numbers? (3 of 5: The Imaginary Unit)
  4. 4 Why Complex Numbers? (4 of 5: Turning the key)
  5. 5 Why Complex Numbers? (5 of 5: Where to now?)
  6. 6 Graphs in the Complex Plane (3 of 3: Opposing rays)
  7. 7 Graphs in the Complex Plane (2 of 3: Algebraic method)
  8. 8 Graphs in the Complex Plane (1 of 3: Perpendicular bisector - visual method)
  9. 9 Complex Arithmetic (3 of 3: Identity from ℝ component)
  10. 10 Complex Arithmetic (2 of 3: Trigonometric identity)
  11. 11 Complex Arithmetic (1 of 3: Basic operations)
  12. 12 The Most Beautiful Identity (8 of 8: Conclusion)
  13. 13 The Most Beautiful Identity (7 of 8: Revisiting Polar Form)
  14. 14 The Most Beautiful Identity (6 of 8: Taylor Series)
  15. 15 The Most Beautiful Identity (5 of 8: Polynomial Interpolation)
  16. 16 The Most Beautiful Identity (4 of 8: Polar Form)
  17. 17 The Most Beautiful Identity (3 of 8: The Complex Plane)
  18. 18 The Most Beautiful Identity (2 of 8: Same number, different clothes)
  19. 19 The Most Beautiful Identity (1 of 8: Introducing Complex Numbers)
  20. 20 Graphs in the Complex Plane (4 of 4: Where is the argument measured from?)
  21. 21 Graphs in the Complex Plane (3 of 4 : Shifting the Point of Reference)
  22. 22 Graphs in the Complex Plane (2 of 4: Graphing Complex Inequalities)
  23. 23 Graphs in the Complex Plane (1 of 4: Introductory Examples)
  24. 24 Complex Numbers as Vectors (3 of 3: Using Geometric Properties)
  25. 25 Complex Numbers as Vectors (2 of 3: Subtraction)
  26. 26 Complex Numbers as Vectors (1 of 3: Introduction & Addition)
  27. 27 Complex Numbers - Mod-Arg Form (5 of 5: Conversion Example 2)
  28. 28 Complex Numbers - Mod-Arg Form (4 of 5: Conversion Example 1)
  29. 29 Complex Numbers - Mod-Arg Form (3 of 5: Calculating the Modulus)
  30. 30 Complex Numbers - Mod-Arg Form (2 of 5: Visualising Modulus & Argument)
  31. 31 Complex Numbers - Mod-Arg Form (1 of 5: Introduction)
  32. 32 Complex Numbers as Points (4 of 4: Second Multiplication Example)
  33. 33 Complex Numbers as Points (3 of 4: Geometric Meaning of Multiplication)
  34. 34 Complex Numbers as Points (2 of 4: Geometric Meaning of Subtraction)
  35. 35 Complex Numbers as Points (1 of 4: Geometric Meaning of Addition)
  36. 36 Complex Arithmetic (2 of 2: Conjugates & Division)
  37. 37 Complex Arithmetic (1 of 2: Addition & Multiplication)
  38. 38 Introduction to Complex Numbers (2 of 2: Why Algebra Requires Complex Numbers)
  39. 39 Introduction to Complex Numbers (1 of 2: The Backstory)

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