Complex vectors, complex matrices, inner products, and discrete Fourier Transform
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Lesson Description:
Complex vectors, complex matrices, inner products, and discrete Fourier Transform -- Lecture 26. A lecture on Complex numbers in Linear Algebra.
Gilbert Strang, 18.06 Linear Algebra, Spring 2005. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed November 23, 2008). License: Creative Commons BY-NC-SA.
More info at: http://ocw.mit.edu/terms
Additional Resources:
- Inner Product Java Applet - Java applet to play around to investigate inner products.
Questions answered by this video:
- What is the FFT?
- What is the Fast Fourier Transform?
- How do you use the Fast Fourier Transform?
- How do you use complex vectors?
- How do you use complex matrices?
- What are inner products?
- What is the discrete Fourier transform?
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Staff Review
This video is a great lesson explaining Fourier matrices and the Fast Fourier Transform (FFT). Finally, a lesson with complex vectors, complex matrices, and complex numbers in Linear Algebra. Inner Products are discussed as well. A lesson packed full of important ideas.
