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Complex Matrices; Fast Fourier Transform (FFT)

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Session Overview

Figure excerpted from 'Introduction to Linear Algebra' by G.S. Strang

The Fourier matrices have complex valued entries and many nice properties. This session covers the basics of working with complex matrices and vectors, and concludes with a description of the fast Fourier transform.

Session Activities

Lecture Video and Summary

Suggested Reading

  • Read Section 10.2 through 10.3 in the textbook.

Problem Solving Video

  • Watch the recitation video on Complex Matrices (00:13:00)
  • Recitation video transcript (PDF)

Check Yourself

Problems and Solutions

Work the problems on your own and check your answers when you're done.

 

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