On most Linux distributions, you don’t need to download a source file manually. You can pull it directly from your package manager’s repository.
If you are a data scientist, you likely want to use FFT within a Python environment rather than raw C code. The two most popular ways to get FFT functionality are through NumPy and SciPy. NumPy: Best for basic transformations.pip install numpy download fft for linux
Once your download is complete, you can verify the installation by checking the library version in your terminal or running a simple "Hello World" FFT script in your language of choice. On most Linux distributions, you don’t need to