Answer
Fourier series expansion
The diagram appears to represent the Fourier series expansion.
Answer for screen readers
The diagram appears to represent the Fourier series expansion.
More Information
The Fourier series is a mathematical tool used to decompose periodic functions into sums of simpler sinusoidal forms (sines and cosines).
Tips
One common mistake is to confuse Fourier series with Fourier Transform. Fourier series are used for periodic functions, while Fourier Transform is used for aperiodic functions.
Sources
- Fourier Series and Fourier Transform - math.ucla.edu
- Introduction to Fourier Series - fourier.eng.hmc.edu
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