These are my go-to libraries for Python data crunching.
SPOD() is a Matlab implementation of the frequency domain form of proper orthogonal decomposition (POD, also known as principle component analysis or Karhunen-Loève decomposition) called spectral ...
In the example above, you'll end up with a single VTK file with three data arrays of the same number of grid points. In the sample screenshot, the color of the arrow represents the magnitude of ...