Complex Numbers

Complex Numbers
  • Currently 4.0/5 Stars.
5622 views, 1 rating - 00:15:06
Part of video series Complex Numbers and Fibration
Taught by IsAllAboutMath
Complex numbers and square roots of negative numbers are explained. Also, transforming the plane to include complex numbers is discussed.
  • Who is Adrien Douady?
  • What are complex numbers?
  • What are imaginary numbers?
  • What do complex numbers look like geometrically?
  • What is the square root of -1?
  • How do you add and multiply complex numbers?
  • How are complex numbers like vectors?
  • What does a complex stereographic projection look like?
This video shows very clearly and concisely what complex numbers are and what they mean geometrically using a number line and protractor. Complex numbers, their addition and multiplication are shown on a blackboard in a way analogous to vectors in the plane. Finally, a stereographic projection of the complex plane is shown. A truly great place to begin understanding complex numbers.
  • Currently 4.0/5 Stars.
Reviewed by MathVids Staff on March 14, 2009.
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