byteCoderUseful but often neglected picture: taking the Fourier series of a function is really no different f...
Shared by Keenan Crane @keenanisalive on X
Useful but often neglected picture: taking the Fourier series of a function is really no different from projecting a vector onto a basis: -Your function is a vector -You have a basis of sines and cosines -The inner product of two functions just replaces a sum with an integral https://t.co/1BeEzDpP4E
Useful but often neglected picture: taking the Fourier series of a function is really no different from projecting a vector onto a basis: -Your function is a vector -You have a basis of sines and cosines -The inner product of two functions just replaces a sum with an integral https://t.co/1BeEzDpP4E