![Gabriel Peyré on Twitter: "The discrete Fourier basis is a sampling of the continuous Fourier basis. They are both orthogonal. This is (almost) magic! https://t.co/ZjyiWlvSt9 https://t.co/MslC2MUKZ3" / Twitter Gabriel Peyré on Twitter: "The discrete Fourier basis is a sampling of the continuous Fourier basis. They are both orthogonal. This is (almost) magic! https://t.co/ZjyiWlvSt9 https://t.co/MslC2MUKZ3" / Twitter](https://pbs.twimg.com/media/D_fc5ZQXkAAcigf.jpg)
Gabriel Peyré on Twitter: "The discrete Fourier basis is a sampling of the continuous Fourier basis. They are both orthogonal. This is (almost) magic! https://t.co/ZjyiWlvSt9 https://t.co/MslC2MUKZ3" / Twitter
![CISE315 SaS, L171/16 Lecture 8: Basis Functions & Fourier Series 3. Basis functions: Concept of basis function. Fourier series representation of time functions. - ppt download CISE315 SaS, L171/16 Lecture 8: Basis Functions & Fourier Series 3. Basis functions: Concept of basis function. Fourier series representation of time functions. - ppt download](https://images.slideplayer.com/24/7537549/slides/slide_11.jpg)
CISE315 SaS, L171/16 Lecture 8: Basis Functions & Fourier Series 3. Basis functions: Concept of basis function. Fourier series representation of time functions. - ppt download
![linear algebra - How to prove the orthogonality of the Fourier basis from the dot product? - Mathematics Stack Exchange linear algebra - How to prove the orthogonality of the Fourier basis from the dot product? - Mathematics Stack Exchange](https://i.stack.imgur.com/ow61z.png)
linear algebra - How to prove the orthogonality of the Fourier basis from the dot product? - Mathematics Stack Exchange
![llustrated are four example pairs of sinusoidal Fourier basis functions... | Download Scientific Diagram llustrated are four example pairs of sinusoidal Fourier basis functions... | Download Scientific Diagram](https://www.researchgate.net/publication/286568486/figure/fig2/AS:571456648118278@1513257290904/Illustrated-are-four-example-pairs-of-sinusoidal-Fourier-basis-functions-that-constitute.png)